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Upgrade for Papercraft Unfold

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Mario Voigt 2020-09-13 03:21:09 +02:00
parent 5aacb835a1
commit 24de370adc
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extensions/fablabchemnitz/papercraft_unfold/admesh/linux/.libs/admesh Executable file
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../libadmesh.la

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# libadmesh.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname='libadmesh.so.1'
# Names of this library.
library_names='libadmesh.so.1.0.0 libadmesh.so.1 libadmesh.so'
# The name of the static archive.
old_library=''
# Linker flags that cannot go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=' -lm'
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libadmesh.
current=1
age=0
revision=0
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/usr/local/lib'

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libadmesh.so.1.0.0

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libadmesh.so.1.0.0

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extensions/fablabchemnitz/papercraft_unfold/admesh/linux/AUTHORS Normal file
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Alessandro Ranellucci <aar@cpan.org>
Andy Doucette <andy@printathing.com>
Anthony D. Martin <amartin@engr.csulb.edu>
Anton Gladky <gladky.anton@gmail.com>
cpaulson <cp1m11@soton.ac.uk>
Guillaume Seguin <guillaume@segu.in>
Marek Žehra <marek@zehra.cz>
Miro Hrončok <miro@hroncok.cz>
Tomas Chvatal <tomas.chvatal@gmail.com>
Tomáš Čejka <tomas@kassoft.eu>
Tomáš Chvátal <tomas.chvatal@gmail.com>

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GNU GENERAL PUBLIC LICENSE
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143
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0.98.2: 2015-05-03 17:51:40 +0200
* Release 0.98.2
* Add subdir-objects option for Autotools
* Reverse all facets when volume is negative only when fixall_flag is set
* Also pre-zero backwards_edges in stl_initialize()
* Fix bug that causes random binary STL files not to be read correctly on Windows
0.98.1: 2014-09-23 14:20:25 +0200
* Release 0.98.1
* Initialize the error value to zero in the right moment
* modified autogen.sh to work with os x 10.9
0.98.0: 2014-07-29 19:33:20 +0200
* Release 0.98.0
* Update the fortag script to sort the tags by date
0.98.0rc1: 2014-07-29 14:19:07 +0200
* Release 0.98.0rc1
* Generate nicer ChangeLog
* Include generated doc in doc as well
* Export more functions for simarrange compatibility
* Do not include block.stl in doc, but include COPYING
0.98.0beta: 2014-07-18 14:24:49 +0200
* Release 0.98.0beta
* On Mac, use -dead_strip linker flag instead of --gc-sections --as-needed
0.98.0alpha: 2014-07-10 22:35:50 +0200
* Release 0.98.0alpha
* Add XML files for abi-compliance-checker
* Keep stl_repair on one line in stl.h, so it's easier to parse by Python bindings autogen
* stl_repair() Fixes #6
* Provide stl_get_error_function
* Indent cleanup
* Error reporting and no exiting
0.97.5: 2014-06-29 18:13:19 +0200
* Release 0.97.5
* No facets, no volume
* Propagate stl_add_facet
0.97.4: 2014-06-29 13:20:40 +0200
* Relese 0.97.4
* Reverse facets when mirroring
* Merge pull request #3 from marekzehra/master
* Prevent to redefinition in case of multiple include
* Merge pull request #2 from cejkato2/master
* BUGFIX C++ linking
* Move from hroncok namespace to admesh on GitHub
* Typo
* Update download URL
* Add -Werror=format-security as a default option
0.97.3: 2014-01-02 20:37:28 +0100
* Add note about other contributors to copyright notice
* Add AUTHORS to tarball
* Use Markdown in README, polish it a bit
* Reintroduce Fix merge-command
* Bugfix: overflow causing full object facets reversal when STL file has large coordinates
* Release 0.97.3
* Change URL of the issues
* Back to the admesh messages, delte commented code
* If VERSION is not defined, don't blow up (for Slic3r)
* Header for stl_translate_relative
* Use VERSION variable in output
* Slic3r compatibility commit
* Removed commented out code
* Rename variable new to newn
* Set vaiables to NULL after free
* Also increase volume when scaling
* Bugfix: some binary STL files were not correctly parsed on Windows
* Use fread() to read facet number
* Ability to export OBJ from the library
* Prevent admesh to reverse all facets twice in some mostly-random situations.
* Invalidate shared vertices
* Add link to the thesis into README
* Backported the "fix" from d91d179766 as stl_translate_relative
* Release 0.97.2
* Remove the translate fix, as it breaks things
* Travis: Run everything in script section
* Enable Travis-CI
* Release 0.97.1
* Export everything except main to the library
* Release 0.97.0
* We accept no warnings
* Check return value of fread
* Check the return value of fscanf
* Return correct exitcode when wrong arguments are used
* Add -Wp,-D_FORTIFY_SOURCE=2 to configure.ac
* Fix typo.
* Drop never used just assigned variable.
* Typo
* Updated INSTALL and README a bit
* Update copyright information with current GNU GPLv2
* Install and distribute the manpage in tarball
* Propred content for the manpage
* Added autogenerated manpage
* Split some overlength strings
* Avoid mixed declaration and code braought by some fixing patches
* Avoid // comments
* Always use VERSION from config.h in the code
* Add fresh info to the README
* Close file properly
* Fix translate-command
* Fix merge-command
* Install the docs to docdir.
* Safer is to always libtoolize
* Get rid of dome compiler warnings
* Add minor missing includes
* Also change ADMESH.DOC filename in Makefile.am
* Renamed ADMESH.DOC to avoid confusion by file extension In the future, this should be changed to a manual page anyway
* Remove bundled getopt
* Add more things and dirs to gitignore, keep the file sorted
* Provide libadmesh for linking purposes.
* Move sources to src subfolder
* Create automake rules so we actually build.
* Move to configure.ac and prepare the autoconf work
0.95: 2013-10-20 11:02:25 +0200
* Add version 0.95 from upstream
0.97.2: 2013-10-21 19:16:55 +0200
* Release 0.97.2
* Remove the translate fix, as it breaks things
* Travis: Run everything in script section
* Enable Travis-CI
0.97.1: 2013-10-21 18:41:55 +0200
* Release 0.97.1
* Export everything except main to the library

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Tue Aug 1 03:25:46 PDT 1995 Anthony Martin <amartin@engr.csulb.edu>
* Fix it so that big endian systems write a little endian file
Also, write null characters after the label in stl_write_binary
Tue Aug 1 03:25:46 PDT 1995 Anthony Martin <amartin@engr.csulb.edu>
* Change stl_fill_holes so that duplicate facets are not likely
to be generated. Should improve quality of filled holes.
Wed Aug 2 16:56:03 PDT 1995 Anthony Martin <amartin@engr.csulb.edu>
* Add support for generating shared vertices
* Move fclose(stl->fp) to stl_open()
Tue Oct 31 13:56:25 PST 1995 Anthony Martin <amartin@engr.csulb.edu>
* Don't use area any more to see whether or not the normal should
be calculated. Just go ahead and calculate the normal, and let the
code in stl_normalize vector() take care of the case of a normal
with zero area.
* Changes call to stl_check_normal_vector() in stl_add_facet() so
that it doesn't check the normal vector after it adds it. Just
caused accounting error for normals fixed.
Wed Nov 1 08:39:17 PST 1995 Anthony Martin <amartin@engr.csulb.edu>
* Initialize normal vector to 0,0,0 when a new facet is added.
Sat Jan 20 23:43:01 PST 1996 Anthony Martin <amartin@engr.csulb.edu>
* stlinit.c Initialize pointers to NULL. Check whether they have
been allocated before free()ing them. Duh.
Thu Jan 25 16:02:57 PST 1996 Anthony Martin <amartin@engr.csulb.edu>
* shared.c Add fclose(fp); to stl_write_off().
* stl_io.c Add dxf write capability
* shared.c Add vrml write capability
Fri Jul 26 11:31:50 PDT 1996 Anthony Martin <amartin@engr.csulb.edu>
* Update normals after rotation
* Add code to calculate the volume of the part

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To install ADMesh, you will need a system with a c compiler.
Do the following:
1. Get the file admesh-x.xx.tar.gz
2. Extract the archive. i.e. type something like the following:
tar -zxvf admesh-x.xx.tar.gz
The source files will be extracted into a directory called admesh-x.xx
3. cd admesh-x.xx
4. type the following:
./configure
make
su -c 'make install'
That should do it. Standard options for configure script and make are provided.

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ACLOCAL_AMFLAGS = -I m4
AM_LDFLAGS = @DEAD_STRIP@
AM_LDFLAGS += -no-undefined
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libadmesh.pc
doc_DATA = \
admesh-doc.txt \
README.md \
COPYING \
AUTHORS \
ChangeLog \
ChangeLog.old
EXTRA_DIST = \
$(doc_DATA) \
INSTALL \
libadmesh.pc.in \
block.stl
CLEANFILES = libadmesh.pc
dist_man_MANS = admesh.1
bin_PROGRAMS = admesh
admesh_SOURCES = \
src/admesh.c
admesh_LDADD = \
libadmesh.la
# libadmesh libtool versioning
LIBADMESH_CURRENT=1
LIBADMESH_REVISION=0
LIBADMESH_AGE=0
pkginclude_HEADERS = src/stl.h
lib_LTLIBRARIES = libadmesh.la
libadmesh_la_SOURCES = \
src/connect.c \
src/normals.c \
src/shared.c \
src/stlinit.c \
src/stl_io.c \
src/util.c \
src/portable_endian.h
libadmesh_la_LDFLAGS = \
$(AM_LDFLAGS) \
-version-info $(LIBADMESH_CURRENT):$(LIBADMESH_REVISION):$(LIBADMESH_AGE)
distclean-local:
rm -rf *.cache *~
AUTHORS:
git log --format='%aN <%aE>' | sort -u > $@
ChangeLog:
./fortag.sh >$@
dist-hook: AUTHORS ChangeLog

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About this release and repository:
----------------------------------
ADMesh was released as an application in 1995/96. Not much happened since then.
As the code of this project might bring use for others, this "fork" was created
to provide a shared library. Once done that, I've collected lots of bugfixes
from the world around us.
No further development will be done, but bugs will be resolved, if possible.
Don't patch this project downstream but use this code, so all can benefit from
the changes. Pull requests are welcome, but be sure to generate no warnings.
Grab the 0.98.4 tarball:
https://github.com/admesh/admesh/releases/download/v0.98.4/admesh-0.98.4.tar.gz
About ADMesh:
-------------
ADMesh is a program for processing triangulated solid meshes. Currently,
ADMesh only reads the STL file format that is used for rapid prototyping
applications, although it can write STL, VRML, OFF, and DXF files.
Additional information regarding the underlying algorithms of ADMesh
can be found in Anthony Martin's Masters Thesis available from here:
http://www.varlog.com/admesh-htm/ADMeshThesis.zip
Features:
---------
* Read and write binary and ASCII STL files
* Check STL files for flaws (i.e. unconnected facets, bad normals)
* Repair facets by connecting nearby facets that are within a given tolerance
* Fill holes in the mesh by adding facets.
* Repair normal directions (i.e. facets should be CCW)
* Repair normal values (i.e. should be perpendicular to facet with length=1)
* Remove degenerate facets (i.e. facets with 2 or more vertices equal)
* Translate in x, y, and z directions
* Rotate about the x, y, and z axes
* Mirror about the xy, yz, and xz planes
* Scale the part by a factor
* Merge 2 STL files into one
* Write an OFF file
* Write a VRML file
* Write a DXF file
* Calculate the volume of a part
ADMesh outputs the following statistics after processing:
````
================= Results produced by ADMesh version 0.98.4 =================
Input file : sphere.stl
File type : Binary STL file
Header : Processed by ADMesh version 0.98.4
============== Size ==============
Min X = -1.334557, Max X = 1.370952
Min Y = -1.377953, Max Y = 1.377230
Min Z = -1.373225, Max Z = 1.242838
========= Facet Status ========== Original ============ Final ====
Number of facets : 3656 3656
Facets with 1 disconnected edge : 18 0
Facets with 2 disconnected edges : 3 0
Facets with 3 disconnected edges : 0 0
Total disconnected facets : 21 0
=== Processing Statistics === ===== Other Statistics =====
Number of parts : 1 Volume : 10.889216
Degenerate facets : 0
Edges fixed : 24
Facets removed : 0
Facets added : 0
Facets reversed : 0
Backwards edges : 0
Normals fixed : 0
````
There are two different algorithms used for fixing unconnected facets. The
first algorithm finds an unconnected edge, and then checks nearby within a
given tolerance for another unconnected edge. It then fixes edges within
tolerance. Some meshes can be completely fixed just using this method. If
there are still unconnected facets after this "nearby check" has been done,
then a second algorithm is used. This algorithm just fills any holes in the
mesh by adding facets until all of the holes are filled. Using these two
algorithms, almost any imperfect STL file can be "fixed" 100% so that there
are 0 unconnected facets. Whether the resulting mesh is what you really
want is another question since there is no way for ADMesh to add information
that isn't there.
At this point ADMesh is only command-line driven and has no windowing
capabilities. This should make it extremely easy to port to any UNIX-like
system, and it shouldn't have any problems compiling on Windows NT, and some
people have had success compiling it under DOS or Windows using DJGPP.
ADMesh was developed on a 486/66 with 16Mb running the Linux operating system.
It has also been compiled and run on the following systems:
SunOS 4.1.3
IRIX 5.2
Please let me know about successes or failures with other systems.
On my Linux system with 16Mb of memory, I can easily process files that have
up to about 200,000 facets. Files larger than this can be processed, but
the system begins to slow down significantly due to swapping. A system with
more memory will be able to process greater numbers of facets more easily.
Following are some indications of process times:
* 40,000 facets: 10 seconds
* 80,000 facets: 20 seconds
* 160,000 facets: 50 seconds
* 320,000 facets: 13 minutes (heavy swapping occurred)
Note that those times were calculated around 1996.
ADMesh is free but copyrighted software. It is distributed under the terms
of the GNU General Public License (GPL). Details of the GPL are in the file
COPYING that comes with the ADMesh software package.

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#! /bin/bash
# admesh - temporary wrapper script for .libs/admesh
# Generated by libtool (GNU libtool) 2.4.6
#
# The admesh program cannot be directly executed until all the libtool
# libraries that it depends on are installed.
#
# This wrapper script should never be moved out of the build directory.
# If it is, it will not operate correctly.
# Sed substitution that helps us do robust quoting. It backslashifies
# metacharacters that are still active within double-quoted strings.
sed_quote_subst='s|\([`"$\\]\)|\\\1|g'
# Be Bourne compatible
if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
emulate sh
NULLCMD=:
# Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
# is contrary to our usage. Disable this feature.
alias -g '${1+"$@"}'='"$@"'
setopt NO_GLOB_SUBST
else
case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
fi
BIN_SH=xpg4; export BIN_SH # for Tru64
DUALCASE=1; export DUALCASE # for MKS sh
# The HP-UX ksh and POSIX shell print the target directory to stdout
# if CDPATH is set.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
relink_command=""
# This environment variable determines our operation mode.
if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then
# install mode needs the following variables:
generated_by_libtool_version='2.4.6'
notinst_deplibs=' libadmesh.la'
else
# When we are sourced in execute mode, $file and $ECHO are already set.
if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
file="$0"
# A function that is used when there is no print builtin or printf.
func_fallback_echo ()
{
eval 'cat <<_LTECHO_EOF
$1
_LTECHO_EOF'
}
ECHO="printf %s\\n"
fi
# Very basic option parsing. These options are (a) specific to
# the libtool wrapper, (b) are identical between the wrapper
# /script/ and the wrapper /executable/ that is used only on
# windows platforms, and (c) all begin with the string --lt-
# (application programs are unlikely to have options that match
# this pattern).
#
# There are only two supported options: --lt-debug and
# --lt-dump-script. There is, deliberately, no --lt-help.
#
# The first argument to this parsing function should be the
# script's ./libtool value, followed by no.
lt_option_debug=
func_parse_lt_options ()
{
lt_script_arg0=$0
shift
for lt_opt
do
case "$lt_opt" in
--lt-debug) lt_option_debug=1 ;;
--lt-dump-script)
lt_dump_D=`$ECHO "X$lt_script_arg0" | /usr/bin/sed -e 's/^X//' -e 's%/[^/]*$%%'`
test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=.
lt_dump_F=`$ECHO "X$lt_script_arg0" | /usr/bin/sed -e 's/^X//' -e 's%^.*/%%'`
cat "$lt_dump_D/$lt_dump_F"
exit 0
;;
--lt-*)
$ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2
exit 1
;;
esac
done
# Print the debug banner immediately:
if test -n "$lt_option_debug"; then
echo "admesh:admesh:$LINENO: libtool wrapper (GNU libtool) 2.4.6" 1>&2
fi
}
# Used when --lt-debug. Prints its arguments to stdout
# (redirection is the responsibility of the caller)
func_lt_dump_args ()
{
lt_dump_args_N=1;
for lt_arg
do
$ECHO "admesh:admesh:$LINENO: newargv[$lt_dump_args_N]: $lt_arg"
lt_dump_args_N=`expr $lt_dump_args_N + 1`
done
}
# Core function for launching the target application
func_exec_program_core ()
{
if test -n "$lt_option_debug"; then
$ECHO "admesh:admesh:$LINENO: newargv[0]: $progdir/$program" 1>&2
func_lt_dump_args ${1+"$@"} 1>&2
fi
exec "$progdir/$program" ${1+"$@"}
$ECHO "$0: cannot exec $program $*" 1>&2
exit 1
}
# A function to encapsulate launching the target application
# Strips options in the --lt-* namespace from $@ and
# launches target application with the remaining arguments.
func_exec_program ()
{
case " $* " in
*\ --lt-*)
for lt_wr_arg
do
case $lt_wr_arg in
--lt-*) ;;
*) set x "$@" "$lt_wr_arg"; shift;;
esac
shift
done ;;
esac
func_exec_program_core ${1+"$@"}
}
# Parse options
func_parse_lt_options "$0" ${1+"$@"}
# Find the directory that this script lives in.
thisdir=`$ECHO "$file" | /usr/bin/sed 's%/[^/]*$%%'`
test "x$thisdir" = "x$file" && thisdir=.
# Follow symbolic links until we get to the real thisdir.
file=`ls -ld "$file" | /usr/bin/sed -n 's/.*-> //p'`
while test -n "$file"; do
destdir=`$ECHO "$file" | /usr/bin/sed 's%/[^/]*$%%'`
# If there was a directory component, then change thisdir.
if test "x$destdir" != "x$file"; then
case "$destdir" in
[\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;;
*) thisdir="$thisdir/$destdir" ;;
esac
fi
file=`$ECHO "$file" | /usr/bin/sed 's%^.*/%%'`
file=`ls -ld "$thisdir/$file" | /usr/bin/sed -n 's/.*-> //p'`
done
# Usually 'no', except on cygwin/mingw when embedded into
# the cwrapper.
WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no
if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then
# special case for '.'
if test "$thisdir" = "."; then
thisdir=`pwd`
fi
# remove .libs from thisdir
case "$thisdir" in
*[\\/].libs ) thisdir=`$ECHO "$thisdir" | /usr/bin/sed 's%[\\/][^\\/]*$%%'` ;;
.libs ) thisdir=. ;;
esac
fi
# Try to get the absolute directory name.
absdir=`cd "$thisdir" && pwd`
test -n "$absdir" && thisdir="$absdir"
program='admesh'
progdir="$thisdir/.libs"
if test -f "$progdir/$program"; then
# Add our own library path to LD_LIBRARY_PATH
LD_LIBRARY_PATH="/home/tomate/mightyscape/papercraft_unfold/admesh/linux/.libs:$LD_LIBRARY_PATH"
# Some systems cannot cope with colon-terminated LD_LIBRARY_PATH
# The second colon is a workaround for a bug in BeOS R4 sed
LD_LIBRARY_PATH=`$ECHO "$LD_LIBRARY_PATH" | /usr/bin/sed 's/::*$//'`
export LD_LIBRARY_PATH
if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
# Run the actual program with our arguments.
func_exec_program ${1+"$@"}
fi
else
# The program doesn't exist.
$ECHO "$0: error: '$progdir/$program' does not exist" 1>&2
$ECHO "This script is just a wrapper for $program." 1>&2
$ECHO "See the libtool documentation for more information." 1>&2
exit 1
fi
fi

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Note: This manual is slightly out of date. Specifically it doesn't
mention OFF, VRML, or DXF files. However, there isn't much to know about
these options. If you just type 'admesh --help' a list of options will be
printed.
This document describes the use of ADMesh version 0.93. ADMesh is a program
for processing triangulated solid meshes. Currently, ADMesh only reads the
STL file format that is used for rapid prototyping applications, although it
can write STL, VRML, OFF, and DXF files.
For information about compiling ADMesh, see the file INSTALL. The file
README contains a brief description of ADMesh along with its features and
capabilities.
ADMesh is Copyrighted software and is distributed under the terms of the GNU
General Public License. See the file COPYING for license information.
Invoking ADMesh
===============
ADMesh is executed as follows:
admesh [OPTION]... file
By default, ADMesh performs all of the mesh checking and repairing options
on the input file. This means that is checks exact, nearby,
remove-unconnected, fill-holes, normal-directions, and normal-values. The
file type (ASCII or binary) is automatically detected. The input file is
not modified unless it is specified by the --write option. If the following
command line was input:
admesh sphere.stl
The file sphere.stl would be opened and read, it would be checked and fixed
if necessary, and the results of processing would be printed out. The
results would not be saved.
The default value for tolerance is the length of the shortest edge of the
mesh. The default number of iterations is 2, and the default increment is
0.01% of the diameter of a sphere that encloses the entire mesh.
If any of the options --exact, --nearby, --remove-unconnected, --fill-holes,
--normal-directions, --reverse-all, --normal-values, or --no-check are
given, then no other checks besides that one will be done unless they are
specified or unless they are required by ADMesh before the specified check
can be done. For example the following command line:
admesh --remove-unconnected sphere.stl
would first do an exact check because it is required, and then the
unconnected facets would be removed. The results would be printed and no
other checks would be done.
Examples
========
To perform all checks except for nearby, the following command line would be
used:
admesh --exact --remove-unconnected --fill-holes \
--normal-directions --normal-values sphere.stl
Actually, since the exact check is required by ADMesh before
remove-unconnected, and remove-unconnected is required before --fill-holes,
the above command line could be shortened as follows with the same results:
admesh --fill-holes --normal-directions --normal-values sphere.stl
And again the same results could be achieved using the short options:
admesh -fudev sphere.stl
or
admesh -fdv sphere.stl
The following command lines do the same thing:
admesh sphere.stl
admesh -fundev sphere.stl
admesh -f -u -n -d -e -v sphere.stl
since the -fundev options are implied by default. To eliminate one of the
checks, just remove the letter of the check to eliminate from the "word"
'fundev'.
About
Option Summary
==============
ADMesh supports the following options, grouped by type.
*Mesh Transformation and Manipulation Options*
--x-rotate=angle Rotate CCW about x-axis by angle degrees
--y-rotate=angle Rotate CCW about y-axis by angle degrees
--z-rotate=angle Rotate CCW about z-axis by angle degrees
--xy-mirror Mirror about the xy plane
--yz-mirror Mirror about the yz plane
--xz-mirror Mirror about the xz plane
--scale=factor Scale the file by factor (multiply by factor)
--translate=x,y,z Translate the file to x, y, and z
--merge=name Merge file called name with input file
*Mesh Checking and Repairing Options*
-e, --exact Only check for perfectly matched edges
-n, --nearby Find and connect nearby facets. Correct bad facets
-t, --tolerance=tol Initial tolerance to use for nearby check = tol
-i, --iterations=i Number of iterations for nearby check = i
-m, --increment=inc Amount to increment tolerance after iteration=inc
-u, --remove-unconnected Remove facets that have 0 neighbors
-f, --fill-holes Add facets to fill holes
-d, --normal-directions Check and fix direction of normals(ie cw, ccw)
--reverse-all Reverse the directions of all facets and normals
-v, --normal-values Check and fix normal values
-c, --no-check Don't do any check on input file
*File Output Options*
-b, --write-binary-stl=name Output a binary STL file called name
-a, --write-ascii-stl=name Output an ascii STL file called name
*Miscellaneous Options*
--help Display this help and exit
--version Output version information and exit
Mesh Transformation and Manipulation Options
============================================
'--x-rotate=angle'
'--y-rotate=angle'
'--z-rotate=angle'
Rotate the entire mesh about the specified axis by the given number of
degrees. The rotation is counter-clockwise about the axis as seen by
looking along the positive axis towards the origin, assuming that the
coordinate system is as follows:
y^
|
|
|
+------->
/ x
/
z/
'--xy-mirror'
'--yz-mirror'
'--xz-mirror'
Mirror the mesh about the specified plane. Mirroring involves reversing
the sign of all of the coordinates in a particular axis. For example, to
mirror a mesh about the xy plane, the signs of all of the z coordinates
in the mesh are reversed.
'--scale=factor'
Scale the mesh by the given factor. This multiplies all of the
coordinates by the specified number. This option could be used to change
the "units" (there are no units explicitly specified in an STL file) of
the mesh. For example, to change a part from inches to millimeters, just
use the --scale=25.4 option.
'--translate=x,y,z'
Translate the mesh to the position x,y,z. This moves the minimum x, y,
and z values of the mesh to the specified position. For example, given a
mesh that has the following initial minimum and maximum coordinate values:
Min X = 4.000000, Max X = 5.000000
Min Y = 1.000000, Max Y = 3.000000
Min Z = -7.000000, Max Z = -2.000000
if the option --translate=1,2,3 is specified, the final values will be:
Min X = 1.000000, Max X = 2.000000
Min Y = 2.000000, Max Y = 4.000000
Min Z = 3.000000, Max Z = 8.000000
The translate option is often used to translate a mesh with arbitrary
minimum and maximum coordinates to 0,0,0. Usually, translation is also
required when merging two files.
'merge=name'
Merge the specified file with the input file. No translation is done, so
if, for example, a file was merged with itself, the resulting file would
end up with two meshes exactly the same, occupying exactly the same
space. So generally, translations need to be done to the files to be
merged so that when the two meshes are merged into one, the two resulting
parts are properly spaced. If you know the nature of the parts to be
merged, it is possible to "nest" one part inside the other. Note,
however, that no warnings will be given if one part intersects with the
other.
It is possible to place one part against another, with no space in
between, but you will still end up with two separately defined parts. If
such a mesh was made on a rapid-prototyping machine, the result would
depend on the nature of the machine. Machines that use a photopolymer
would produce a single solid part because the two parts would be "bonded"
during the build process. Machines that use a cutting process would
yield two or more parts.
A copy of a mesh can be made by using the --merge and --translate options
at the same time. For example, given a file called block.stl with the
following size:
Min X = 0.000000, Max X = 2.000000
Min Y = 0.000000, Max Y = 2.000000
Min Z = 0.000000, Max Z = 2.000000
to create a file called 2blocks.stl that contains two of the parts
separated by 1 unit in the x direction, the following command line would
be used:
admesh
--translate=3,0,0 --merge=block.stl --write-binary=2blocks.stl block.stl
This would yield a binary STL file called 2blocks.stl with the following
size:
Min X = 0.000000, Max X = 5.000000
Min Y = 0.000000, Max Y = 2.000000
Min Z = 0.000000, Max Z = 2.000000
Mesh Checking and Repairing Options
===================================
'-e', '--exact'
Check each facet of the mesh for its 3 neighbors. Since each facet is a
triangle, there should be exactly 3 neighboring facets for every facet in
the mesh. Since the mesh defines a solid, there should be no unconnected
edges in the mesh. When this option is specified, the 3 neighbors of
every facet are searched for and, if found, the neighbors are added to an
internal list that keeps track of the neighbors of each facet. A facet
is only considered a neighbor if two of its vertices EXACTLY match two of
the vertices of another facet. That means that there must be 0
difference between the x, y, and z coordinates of the two vertices of the
first facet and the two vertices of the second facet.
Degenerate facets (facets with two or more vertices equal to each other)
are removed during the exact check. No other changes are made to the
mesh. An exact check is always done before any of the other checking and
repairing options even if --exact isn't specified. There is one
exception to this rule; no exact check needs to be done before the
--normal-values option.
'-n', '--nearby'
'-t', '--tolerance=tol'
'-i', '--iterations=i'
'-m', '--increment=inc'
Checks each unconnected facet of the mesh for facets that are almost
connected but not quite. Due to round-off errors and other factors, it
is common for a mesh to have facets with neighbors that are very close
but don't match exactly. Often, this difference is only in the 8th
decimal place of the vertices, but these facets will not show up as
neighbors during the exact check. This option finds these nearby
neighbors and it changes their vertices so that they match exactly. The
exact check is alway done before the nearby check, so only facets that
remain unconnected after the exact check are candidates for the nearby
check.
The --tolerance=tol option is used to specify the distance that is
searched for the neighboring facet. By default, this value is set
automatically by ADMesh to be the length of the shortest edge of the
mesh. This value is used because it makes it unlikely for a facet that
shouldn't be a neighbor to be found and matched as a neighbor. If the
tolerance is too big, then some facets could end up connected that should
definitely not be connected. This could create a "mobius part" that is
not a valid solid. If this occurs, it can be seen by checking the value
of "Backwards edges" that is printed after processing. (The number of
backwards edges should be 0 for a valid solid.)
The --iterations=i and --increment=inc options are used together to
gradually connect nearby facets using progressively larger tolerances.
This helps to prevent incorrect connects but can also allow larger
tolerances to be used. The --iterations option gives the number of times
that facets are checked for nearby facets, each time using a larger
tolerance. The --increment=inc option gives the amount that the
tolerance is increased after each iteration. The number specified by
'inc' is added to the tolerance that was used in the previous iteration.
If all of the facets are connected, no further nearby checks will be
done.
'-f', '--fill-holes'
Fill holes in the mesh by adding facets. This is done after the exact
check and after nearby check (if any nearby check is done). If there are
still unconnected facets, then facets will be added to the mesh,
connecting the unconnected facets, until all of the holes have been
filled. This is guaranteed to completely completely fix all unconnected
facets. However, the resulting mesh may or may not be what the user
expects.
'-d', '--normal-directions'
Check and fix if necessary the directions of the facets. This only deals
with whether the vertices of all the facets are oriented clockwise or
counterclockwise, it doesn't check or modify the value of the normal
vector. Every facet should have its vertices defined in a
counterclockwise order when looked at from the outside of the part. This
option will orient all of the vertices so that they are all facing in the
same direction. However, it it possible that this option will make all
of the facets facet inwards instead of outwards. The algorithm tries to
get a clue of which direction is inside and outside by checking the value
of the normal vector so the chance is very good that the resulting mesh
will be correct. However, it doesn't explicitly check to find which
direction is inside and which is outside. In the future, I might write
code to explicitly check for the inside and the outside, but until then,
the current algorithm gets it right most of the time.
'--reverse-all'
Reverses the directions of all of the facets and normals. If the
--normal-directions option ended up making all of the facets facet
inwards instead of outwards, then this option can be used to reverse all
of the facets. It is up to the user to determine if the facets are
facing inwards and if they need reversing. In future versions of ADMesh,
this process may be automated. This option also fixes and updates the
normal vector for each facet.
'-v', '--normal-values'
Checks and fixes if necessary the normal vectors of every facet. The
normal vector will point outward for a counterclockwise facet. The
length of the normal vector will be 1.
'-c', '--no-check'
Don't do any checks or modifications to the input file. By default,
ADMesh performs all processes (exact, nearby, remove_unconnected,
fill-holes, normal-directions, and normals-values) on the input file. If
the --no-check option is specified, no checks or modifications will be
made on the input file. This could be used, for example, to translate an
ASCII STL file to a binary STL file, with no modifications made. A
command line such as the following might be used:
admesh
--no-check --write-binary-stl=newblock.stl --translate=0,0,0 block.stl
This would open the file block.stl, would translate it to 0,0,0 no checks
would be performed and a binary STL file of the translated mesh would be
written to newblock.stl.
'-b', '--write-binary-stl=name'
'-a,' '--write-ascii-stl=name'
Write a binary STL file with the name specified. The input file is not
modified by ADMesh so the only way to preserve any modifications that
have been made to the input file is to use one of the --write options. If
the user wants to modify (overwrite) the input file, then the input file
can also be specified for the --write option. For example, to convert an
input ASCII STL file called sphere.stl to a binary STL file, overwriting
the original file, and performing no checks, the following command line
would be used:
admesh --write-binary-stl=sphere.stl --no-check sphere.stl
'--help'
Display the possible command line options with a short description, and
then exit.
'--version'
Show the version information for ADMesh, and then exit.
ADMesh Output
=============
After ADMesh has processed a mesh, it prints out a page of information about
that mesh. The output looks like the following:
================= Results produced by ADMesh version 0.95 =================
Input file : sphere.stl
File type : Binary STL file
Header : Processed by ADMesh version 0.95
============== Size ==============
Min X = -1.334557, Max X = 1.370952
Min Y = -1.377953, Max Y = 1.377230
Min Z = -1.373225, Max Z = 1.242838
========= Facet Status ========== Original ============ Final ====
Number of facets : 3656 3656
Facets with 1 disconnected edge : 18 0
Facets with 2 disconnected edges : 3 0
Facets with 3 disconnected edges : 0 0
Total disconnected facets : 21 0
=== Processing Statistics === ===== Other Statistics =====
Number of parts : 1 Volume : 10.889216
Degenerate facets : 0
Edges fixed : 24
Facets removed : 0
Facets added : 0
Facets reversed : 0
Backwards edges : 0
Normals fixed : 0
Description of Output
====================
The following describes the output information line by line.
Input file : sphere.stl
The name of the file that was read.
File type : Binary STL file
The type of file. Currently, the only two possibilities are Binary STL
file and ASCII STL file. ADMesh automatically detect the type of input
file.
Header : Processed by ADMesh version 0.95
The first 80 characters of the STL file. The first 80 bytes of a binary
STL file or the first line of an ASCII STL file can contain some text.
Usually, the CAD system that has created that file, or the last program
to process that file puts its name in the header. ADMesh puts its own
string in the header when it saves the file.
============== Size ==============
Min X = -1.334557, Max X = 1.370952
Min Y = -1.377953, Max Y = 1.377230
Min Z = -1.373225, Max Z = 1.242838
This section gives the boundaries of the mesh. The mesh will fit just
inside a box of this size.
========= Facet Status ========== Original ============ Final ====
Number of facets : 3656 3656
Facets with 1 disconnected edge : 18 0
Facets with 2 disconnected edges : 3 0
Facets with 3 disconnected edges : 0 0
Total disconnected facets : 21 0
Information about the quality of the mesh before, and after processing by
ADMesh. The number of facets gives an idea about the complexity and
accuracy of the mesh. Disconnected facets will fall into 3 categories.
Some facets will have only one disconnected edge, some will have 2 edges
disconnected, and some will have all 3 edges disconnected. Of course,
for a valid solid mesh, there should be 0 disconnected facets.
=== Processing Statistics ===
Number of parts : 1
This is the total number of separate parts in the file. This can be a
very useful indication of whether your file is correct. Sometimes, the
user of the CAD system that creates the mesh just puts several pieces
together next to each other, and then outputs the mesh. This might not
cause any problems for a rapid prototyping system that uses a
photopolymer because all of the parts will be "glued" together anyway
during the build. However, a rapid prototyping machine that is based on
cutting will cut each one of the parts individually and the result will
be many parts that need to be glued together. The number of parts is
counted during --normal-directions, so if the --normal-directions check
is eliminated, then the number of parts will read 0.
Degenerate facets : 0
Number of degenerate facets in the input file. A degenerate facet is a
facet that has two or more vertices exactly the same. The resulting
facet is just a line (if two vertices are the same) or could even be a
point (if all 3 vertices are the same). These facets add no information
to the file and are removed by ADMesh during processing.
Edges fixed : 24
The total number of edges that were fixed by moving the vertices slightly
during the nearby check. This does not include facets that were added by
--fill-holes.
Facets removed : 0
The total number of facets removed. There are two cases where facets
might be removed. First, all degenerate facets in the input file are
removed. Second, if there are any completely unconnected facets (facets
with 3 disconnected edges) after the exact and nearby checks, then these
facets will be removed by --remove-unconnected.
Facets added : 0
Number of facets that have been added by ADMesh to the original mesh.
Facets are only added during --fill-holes. So this number represents the
number of facets that had to be added to fill all of the holes, if any,
in the original mesh.
Facets reversed : 0
The number of facets that were reversed during --normal-directions. This
only relates to the order of the vertices of the facet (CW or CCW), it
has nothing to do with the value of the normal vector.
Backwards edges : 0
The number of edges that are backwards. After ADMesh has finished all of
the checks and processing, it verifies the results. If the
normal-directions check has been done then the NUMBER OF BACKWARDS EDGES
SHOULD BE 0. If it is not, then a "mobius part" has been created which
is not a valid solid mesh. In this case the mesh can be processed again,
but a smaller tolerance on the nearby check should be used or no nearby
check should be done.
Normals fixed : 0
The number of normal vectors that have been fixed. During the
normal-values check, ADMesh calculates the value of every facet and
compares the result with the normal vector from the input file. If the
result is not within a fixed tolerance, then the normal is said to be
fixed. Actually, for consistency, every normal vector is rewritten with
the new calculated normal, even if the original normal was within
tolerance. However, the normals that were within tolerance are not
counted by normals fixed.

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.TH ADMESH "1" 21/10/2013 "User Commands"
.SH NAME
ADMesh - a program for processing triangulated solid meshes
.SH SYNOPSIS
.B admesh
[\fIOPTION\fR]... \fIfile\fR
.SH DESCRIPTION
ADMesh is a program for processing triangulated solid meshes. Currently, ADMesh only reads the STL file format that is used for rapid prototyping applications, although it can write STL, VRML, OFF, and DXF files.
By default, ADMesh performs all of the mesh checking and repairing options
on the input file. This means that is checks exact, nearby,
remove-unconnected, fill-holes, normal-directions, and normal-values. The
file type (ASCII or binary) is automatically detected. The input file is
not modified unless it is specified by the \fB--write\fP option. If the following
command line was input:
.B admesh sphere.stl
The file sphere.stl would be opened and read, it would be checked and fixed
if necessary, and the results of processing would be printed out. The
results would not be saved.
The default value for tolerance is the length of the shortest edge of the
mesh. The default number of iterations is 2, and the default increment is
0.01% of the diameter of a sphere that encloses the entire mesh.
If any of the options \fB--exact\fP, \fB--nearby\fP, \fB--remove-unconnected\fP, \fB--fill-holes\fP,
\fB--normal-directions\fP, \fB--reverse-all\fP, \fB--normal-values\fP, or \fB--no-check\fP are
given, then no other checks besides that one will be done unless they are
specified or unless they are required by ADMesh before the specified check
can be done. For example the following command line:
.B admesh --remove-unconnected sphere.stl
would first do an exact check because it is required, and then the
unconnected facets would be removed. The results would be printed and no
other checks would be done.
.SH OPTIONS
.TP
\fB\-\-x\-rotate\fR=\fIangle\fR
Rotate CCW about x\-axis by angle degrees
.TP
\fB\-\-y\-rotate\fR=\fIangle\fR
Rotate CCW about y\-axis by angle degrees
.TP
\fB\-\-z\-rotate\fR=\fIangle\fR
Rotate CCW about z\-axis by angle degrees
.TP
\fB\-\-xy\-mirror\fR
Mirror about the xy plane
.TP
\fB\-\-yz\-mirror\fR
Mirror about the yz plane
.TP
\fB\-\-xz\-mirror\fR
Mirror about the xz plane
.TP
\fB\-\-scale\fR=\fIfactor\fR
Scale the file by factor (multiply by factor)
.TP
\fB\-\-translate\fR=\fIx\fR,y,z
Translate the file to x, y, and z
.TP
\fB\-\-merge\fR=\fIname\fR
Merge file called name with input file
.TP
\fB\-e\fR, \fB\-\-exact\fR
Only check for perfectly matched edges
.TP
\fB\-n\fR, \fB\-\-nearby\fR
Find and connect nearby facets. Correct bad facets
.TP
\fB\-t\fR, \fB\-\-tolerance\fR=\fItol\fR
Initial tolerance to use for nearby check = tol
.TP
\fB\-i\fR, \fB\-\-iterations\fR=\fIi\fR
Number of iterations for nearby check = i
.TP
\fB\-m\fR, \fB\-\-increment\fR=\fIinc\fR
Amount to increment tolerance after iteration=inc
.HP
\fB\-u\fR, \fB\-\-remove\-unconnected\fR Remove facets that have 0 neighbors
.TP
\fB\-f\fR, \fB\-\-fill\-holes\fR
Add facets to fill holes
.TP
\fB\-d\fR, \fB\-\-normal\-directions\fR
Check and fix direction of normals(ie cw, ccw)
.TP
\fB\-\-reverse\-all\fR
Reverse the directions of all facets and normals
.TP
\fB\-v\fR, \fB\-\-normal\-values\fR
Check and fix normal values
.TP
\fB\-c\fR, \fB\-\-no\-check\fR
Don't do any check on input file
.TP
\fB\-b\fR, \fB\-\-write\-binary\-stl\fR=\fIname\fR
Output a binary STL file called name
.TP
\fB\-a\fR, \fB\-\-write\-ascii\-stl\fR=\fIname\fR
Output an ascii STL file called name
.TP
\fB\-\-write\-off\fR=\fIname\fR
Output a Geomview OFF format file called name
.TP
\fB\-\-write\-dxf\fR=\fIname\fR
Output a DXF format file called name
.TP
\fB\-\-write\-vrml\fR=\fIname\fR
Output a VRML format file called name
.TP
\fB\-\-help\fR
Display this help and exit
.TP
\fB\-\-version\fR
Output version information and exit
.PP
The functions are executed in the same order as the options shown here.
So check here to find what happens if, for example, \fB\-\-translate\fR and \fB\-\-merge\fR
options are specified together. The order of the options specified on the
command line is not important.
.SH EXAMPLES
To perform all checks except for nearby, the following command line would be
used:
.B admesh --exact --remove-unconnected --fill-holes --normal-directions --normal-values sphere.stl
Actually, since the \fBexact\fP check is required by ADMesh before
\fBremove-unconnected\fP, and \fBremove-unconnected\fP is required before \fB--fill-holes\fP,
the above command line could be shortened as follows with the same results:
.B admesh --fill-holes --normal-directions --normal-values sphere.stl
And again the same results could be achieved using the short options:
.B admesh -fudev sphere.stl
or
.B admesh -fdv sphere.stl
The following command lines do the same thing:
.B admesh sphere.stl
.B admesh -fundev sphere.stl
.B admesh -f -u -n -d -e -v sphere.stl
since the \fB-fundev\fP options are implied by default. To eliminate one of the
checks, just remove the letter of the check to eliminate from the "word" fundev.
.SH SEE ALSO
For more information about the options and output read
.B admesh-doc.txt
- it is usually located in /usr/share/doc/admesh-x.xx dir.
.SH COPYRIGHT
Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

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SOLID Untitled1
FACET NORMAL 0.00000000E+00 0.00000000E+00 1.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 -0.00000000E+00 1.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 -0.00000000E+00 -1.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 0.00000000E+00 -1.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL -1.00000000E+00 0.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL -1.00000000E+00 0.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 1.00000000E+00 0.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 1.00000000E+00 0.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 -1.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 -1.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 -1.96850394E+00 -1.96850394E+00
VERTEX 1.96850394E+00 -1.96850394E+00 1.96850394E+00
VERTEX -1.96850394E+00 -1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 1.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX -1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 1.96850394E+00
ENDLOOP
ENDFACET
FACET NORMAL 0.00000000E+00 1.00000000E+00 0.00000000E+00
OUTER LOOP
VERTEX 1.96850394E+00 1.96850394E+00 1.96850394E+00
VERTEX 1.96850394E+00 1.96850394E+00 -1.96850394E+00
VERTEX -1.96850394E+00 1.96850394E+00 -1.96850394E+00
ENDLOOP
ENDFACET
ENDSOLID Untitled1

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#! /bin/sh
# Wrapper for compilers which do not understand '-c -o'.
scriptversion=2012-10-14.11; # UTC
# Copyright (C) 1999-2014 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
nl='
'
# We need space, tab and new line, in precisely that order. Quoting is
# there to prevent tools from complaining about whitespace usage.
IFS=" "" $nl"
file_conv=
# func_file_conv build_file lazy
# Convert a $build file to $host form and store it in $file
# Currently only supports Windows hosts. If the determined conversion
# type is listed in (the comma separated) LAZY, no conversion will
# take place.
func_file_conv ()
{
file=$1
case $file in
/ | /[!/]*) # absolute file, and not a UNC file
if test -z "$file_conv"; then
# lazily determine how to convert abs files
case `uname -s` in
MINGW*)
file_conv=mingw
;;
CYGWIN*)
file_conv=cygwin
;;
*)
file_conv=wine
;;
esac
fi
case $file_conv/,$2, in
*,$file_conv,*)
;;
mingw/*)
file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
;;
cygwin/*)
file=`cygpath -m "$file" || echo "$file"`
;;
wine/*)
file=`winepath -w "$file" || echo "$file"`
;;
esac
;;
esac
}
# func_cl_dashL linkdir
# Make cl look for libraries in LINKDIR
func_cl_dashL ()
{
func_file_conv "$1"
if test -z "$lib_path"; then
lib_path=$file
else
lib_path="$lib_path;$file"
fi
linker_opts="$linker_opts -LIBPATH:$file"
}
# func_cl_dashl library
# Do a library search-path lookup for cl
func_cl_dashl ()
{
lib=$1
found=no
save_IFS=$IFS
IFS=';'
for dir in $lib_path $LIB
do
IFS=$save_IFS
if $shared && test -f "$dir/$lib.dll.lib"; then
found=yes
lib=$dir/$lib.dll.lib
break
fi
if test -f "$dir/$lib.lib"; then
found=yes
lib=$dir/$lib.lib
break
fi
if test -f "$dir/lib$lib.a"; then
found=yes
lib=$dir/lib$lib.a
break
fi
done
IFS=$save_IFS
if test "$found" != yes; then
lib=$lib.lib
fi
}
# func_cl_wrapper cl arg...
# Adjust compile command to suit cl
func_cl_wrapper ()
{
# Assume a capable shell
lib_path=
shared=:
linker_opts=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
eat=1
case $2 in
*.o | *.[oO][bB][jJ])
func_file_conv "$2"
set x "$@" -Fo"$file"
shift
;;
*)
func_file_conv "$2"
set x "$@" -Fe"$file"
shift
;;
esac
;;
-I)
eat=1
func_file_conv "$2" mingw
set x "$@" -I"$file"
shift
;;
-I*)
func_file_conv "${1#-I}" mingw
set x "$@" -I"$file"
shift
;;
-l)
eat=1
func_cl_dashl "$2"
set x "$@" "$lib"
shift
;;
-l*)
func_cl_dashl "${1#-l}"
set x "$@" "$lib"
shift
;;
-L)
eat=1
func_cl_dashL "$2"
;;
-L*)
func_cl_dashL "${1#-L}"
;;
-static)
shared=false
;;
-Wl,*)
arg=${1#-Wl,}
save_ifs="$IFS"; IFS=','
for flag in $arg; do
IFS="$save_ifs"
linker_opts="$linker_opts $flag"
done
IFS="$save_ifs"
;;
-Xlinker)
eat=1
linker_opts="$linker_opts $2"
;;
-*)
set x "$@" "$1"
shift
;;
*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
func_file_conv "$1"
set x "$@" -Tp"$file"
shift
;;
*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
func_file_conv "$1" mingw
set x "$@" "$file"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -n "$linker_opts"; then
linker_opts="-link$linker_opts"
fi
exec "$@" $linker_opts
exit 1
}
eat=
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: compile [--help] [--version] PROGRAM [ARGS]
Wrapper for compilers which do not understand '-c -o'.
Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
arguments, and rename the output as expected.
If you are trying to build a whole package this is not the
right script to run: please start by reading the file 'INSTALL'.
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "compile $scriptversion"
exit $?
;;
cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
func_cl_wrapper "$@" # Doesn't return...
;;
esac
ofile=
cfile=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as 'compile cc -o foo foo.c'.
# So we strip '-o arg' only if arg is an object.
eat=1
case $2 in
*.o | *.obj)
ofile=$2
;;
*)
set x "$@" -o "$2"
shift
;;
esac
;;
*.c)
cfile=$1
set x "$@" "$1"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -z "$ofile" || test -z "$cfile"; then
# If no '-o' option was seen then we might have been invoked from a
# pattern rule where we don't need one. That is ok -- this is a
# normal compilation that the losing compiler can handle. If no
# '.c' file was seen then we are probably linking. That is also
# ok.
exec "$@"
fi
# Name of file we expect compiler to create.
cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
# Create the lock directory.
# Note: use '[/\\:.-]' here to ensure that we don't use the same name
# that we are using for the .o file. Also, base the name on the expected
# object file name, since that is what matters with a parallel build.
lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
while true; do
if mkdir "$lockdir" >/dev/null 2>&1; then
break
fi
sleep 1
done
# FIXME: race condition here if user kills between mkdir and trap.
trap "rmdir '$lockdir'; exit 1" 1 2 15
# Run the compile.
"$@"
ret=$?
if test -f "$cofile"; then
test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
elif test -f "${cofile}bj"; then
test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
fi
rmdir "$lockdir"
exit $ret
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

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/* config.h. Generated from config.h.in by configure. */
/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the `m' library (-lm). */
#define HAVE_LIBM 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#define LT_OBJDIR ".libs/"
/* Name of package */
#define PACKAGE "admesh"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT ""
/* Define to the full name of this package. */
#define PACKAGE_NAME "admesh"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "admesh 0.98.4"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "admesh"
/* Define to the home page for this package. */
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "0.98.4"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "0.98.4"

64
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View File

@ -0,0 +1,64 @@
/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the `m' library (-lm). */
#undef HAVE_LIBM
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#undef LT_OBJDIR
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Version number of package */
#undef VERSION

699
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@ -0,0 +1,699 @@
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by admesh configure 0.98.4'', which was
generated by GNU Autoconf 2.69. Invocation command line was
$ ./configure
## --------- ##
## Platform. ##
## --------- ##
hostname = tomator
uname -m = x86_64
uname -r = 5.4.0-47-generic
uname -s = Linux
uname -v = #51-Ubuntu SMP Fri Sep 4 19:50:52 UTC 2020
/usr/bin/uname -p = x86_64
/bin/uname -X = unknown
/bin/arch = x86_64
/usr/bin/arch -k = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo = unknown
/bin/machine = unknown
/usr/bin/oslevel = unknown
/bin/universe = unknown
PATH: /usr/local/go/bin
PATH: /home/tomate/.local/bin
PATH: /usr/local/sbin
PATH: /usr/local/bin
PATH: /usr/sbin
PATH: /usr/bin
PATH: /sbin
PATH: /bin
PATH: /usr/games
PATH: /usr/local/games
PATH: /snap/bin
PATH: /home/tomate/go/bin
## ----------- ##
## Core tests. ##
## ----------- ##
configure:2166: checking for a BSD-compatible install
configure:2234: result: /usr/bin/install -c
configure:2245: checking whether build environment is sane
configure:2300: result: yes
configure:2449: checking for a thread-safe mkdir -p
configure:2488: result: /usr/bin/mkdir -p
configure:2495: checking for gawk
configure:2525: result: no
configure:2495: checking for mawk
configure:2511: found /usr/bin/mawk
configure:2522: result: mawk
configure:2533: checking whether make sets $(MAKE)
configure:2555: result: yes
configure:2584: checking whether make supports nested variables
configure:2601: result: yes
configure:2738: checking whether make supports nested variables
configure:2755: result: yes
configure:2795: checking build system type
configure:2809: result: x86_64-unknown-linux-gnu
configure:2829: checking host system type
configure:2842: result: x86_64-unknown-linux-gnu
configure:2883: checking how to print strings
configure:2910: result: printf
configure:2935: checking whether make supports the include directive
configure:2950: make -f confmf.GNU && cat confinc.out
this is the am__doit target
configure:2953: $? = 0
configure:2972: result: yes (GNU style)
configure:3042: checking for gcc
configure:3058: found /usr/bin/gcc
configure:3069: result: gcc
configure:3298: checking for C compiler version
configure:3307: gcc --version >&5
gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
configure:3318: $? = 0
configure:3307: gcc -v >&5
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:hsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.3.0-10ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
configure:3318: $? = 0
configure:3307: gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:3318: $? = 1
configure:3307: gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'; did you mean '--version'?
gcc: fatal error: no input files
compilation terminated.
configure:3318: $? = 1
configure:3338: checking whether the C compiler works
configure:3360: gcc conftest.c >&5
configure:3364: $? = 0
configure:3412: result: yes
configure:3415: checking for C compiler default output file name
configure:3417: result: a.out
configure:3423: checking for suffix of executables
configure:3430: gcc -o conftest conftest.c >&5
configure:3434: $? = 0
configure:3456: result:
configure:3478: checking whether we are cross compiling
configure:3486: gcc -o conftest conftest.c >&5
configure:3490: $? = 0
configure:3497: ./conftest
configure:3501: $? = 0
configure:3489: result: no
configure:3494: checking for suffix of object files
configure:3516: gcc -c conftest.c >&5
configure:3520: $? = 0
configure:3541: result: o
configure:3545: checking whether we are using the GNU C compiler
configure:3564: gcc -c conftest.c >&5
configure:3564: $? = 0
configure:3573: result: yes
configure:3582: checking whether gcc accepts -g
configure:3602: gcc -c -g conftest.c >&5
configure:3602: $? = 0
configure:3643: result: yes
configure:3660: checking for gcc option to accept ISO C89
configure:3723: gcc -c -g -O2 conftest.c >&5
configure:3723: $? = 0
configure:3736: result: none needed
configure:3761: checking whether gcc understands -c and -o together
configure:3783: gcc -c conftest.c -o conftest2.o
configure:3786: $? = 0
configure:3783: gcc -c conftest.c -o conftest2.o
configure:3786: $? = 0
configure:3798: result: yes
configure:3817: checking dependency style of gcc
configure:3928: result: gcc3
configure:3943: checking for a sed that does not truncate output
configure:4007: result: /usr/bin/sed
configure:4025: checking for grep that handles long lines and -e
configure:4083: result: /usr/bin/grep
configure:4088: checking for egrep
configure:4150: result: /usr/bin/grep -E
configure:4155: checking for fgrep
configure:4217: result: /usr/bin/grep -F
configure:4252: checking for ld used by gcc
configure:4319: result: /usr/bin/ld
configure:4326: checking if the linker (/usr/bin/ld) is GNU ld
configure:4341: result: yes
configure:4353: checking for BSD- or MS-compatible name lister (nm)
configure:4407: result: /usr/bin/nm -B
configure:4537: checking the name lister (/usr/bin/nm -B) interface
configure:4544: gcc -c -g -O2 conftest.c >&5
configure:4547: /usr/bin/nm -B "conftest.o"
configure:4550: output
0000000000000000 B some_variable
configure:4551: result: BSD nm
configure:4554: checking whether ln -s works
configure:4558: result: yes
configure:4566: checking the maximum length of command line arguments
configure:4697: result: 1572864
configure:4745: checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format
configure:4785: result: func_convert_file_noop
configure:4792: checking how to convert x86_64-unknown-linux-gnu file names to toolchain format
configure:4812: result: func_convert_file_noop
configure:4819: checking for /usr/bin/ld option to reload object files
configure:4826: result: -r
configure:4900: checking for objdump
configure:4916: found /usr/bin/objdump
configure:4927: result: objdump
configure:4959: checking how to recognize dependent libraries
configure:5159: result: pass_all
configure:5244: checking for dlltool
configure:5274: result: no
configure:5304: checking how to associate runtime and link libraries
configure:5331: result: printf %s\n
configure:5392: checking for ar
configure:5408: found /usr/bin/ar
configure:5419: result: ar
configure:5456: checking for archiver @FILE support
configure:5473: gcc -c -g -O2 conftest.c >&5
configure:5473: $? = 0
configure:5476: ar cru libconftest.a @conftest.lst >&5
ar: `u' modifier ignored since `D' is the default (see `U')
configure:5479: $? = 0
configure:5484: ar cru libconftest.a @conftest.lst >&5
ar: `u' modifier ignored since `D' is the default (see `U')
ar: conftest.o: No such file or directory
configure:5487: $? = 1
configure:5486: result: @
configure:5544: checking for strip
configure:5560: found /usr/bin/strip
configure:5571: result: strip
configure:5643: checking for ranlib
configure:5659: found /usr/bin/ranlib
configure:5670: result: ranlib
configure:5772: checking command to parse /usr/bin/nm -B output from gcc object
configure:5925: gcc -c -g -O2 conftest.c >&5
configure:5928: $? = 0
configure:5932: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p' | sed '/ __gnu_lto/d' \> conftest.nm
configure:5935: $? = 0
configure:6001: gcc -o conftest -g -O2 conftest.c conftstm.o >&5
configure:6004: $? = 0
configure:6042: result: ok
configure:6089: checking for sysroot
configure:6119: result: no
configure:6126: checking for a working dd
configure:6164: result: /usr/bin/dd
configure:6168: checking how to truncate binary pipes
configure:6183: result: /usr/bin/dd bs=4096 count=1
configure:6319: gcc -c -g -O2 conftest.c >&5
configure:6322: $? = 0
configure:6512: checking for mt
configure:6528: found /usr/bin/mt
configure:6539: result: mt
configure:6562: checking if mt is a manifest tool
configure:6568: mt '-?'
configure:6576: result: no
configure:7253: checking how to run the C preprocessor
configure:7284: gcc -E conftest.c
configure:7284: $? = 0
configure:7298: gcc -E conftest.c
conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory
11 | #include <ac_nonexistent.h>
| ^~~~~~~~~~~~~~~~~~
compilation terminated.
configure:7298: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "admesh"
| #define PACKAGE_TARNAME "admesh"
| #define PACKAGE_VERSION "0.98.4"
| #define PACKAGE_STRING "admesh 0.98.4"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define PACKAGE "admesh"
| #define VERSION "0.98.4"
| /* end confdefs.h. */
| #include <ac_nonexistent.h>
configure:7323: result: gcc -E
configure:7343: gcc -E conftest.c
configure:7343: $? = 0
configure:7357: gcc -E conftest.c
conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory
11 | #include <ac_nonexistent.h>
| ^~~~~~~~~~~~~~~~~~
compilation terminated.
configure:7357: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "admesh"
| #define PACKAGE_TARNAME "admesh"
| #define PACKAGE_VERSION "0.98.4"
| #define PACKAGE_STRING "admesh 0.98.4"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define PACKAGE "admesh"
| #define VERSION "0.98.4"
| /* end confdefs.h. */
| #include <ac_nonexistent.h>
configure:7386: checking for ANSI C header files
configure:7406: gcc -c -g -O2 conftest.c >&5
configure:7406: $? = 0
configure:7479: gcc -o conftest -g -O2 conftest.c >&5
configure:7479: $? = 0
configure:7479: ./conftest
configure:7479: $? = 0
configure:7490: result: yes
configure:7503: checking for sys/types.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for sys/stat.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for stdlib.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for string.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for memory.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for strings.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for inttypes.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for stdint.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7503: checking for unistd.h
configure:7503: gcc -c -g -O2 conftest.c >&5
configure:7503: $? = 0
configure:7503: result: yes
configure:7517: checking for dlfcn.h
configure:7517: gcc -c -g -O2 conftest.c >&5
configure:7517: $? = 0
configure:7517: result: yes
configure:7771: checking for objdir
configure:7786: result: .libs
configure:8050: checking if gcc supports -fno-rtti -fno-exceptions
configure:8068: gcc -c -g -O2 -fno-rtti -fno-exceptions conftest.c >&5
cc1: warning: command line option '-fno-rtti' is valid for C++/D/ObjC++ but not for C
configure:8072: $? = 0
configure:8085: result: no
configure:8443: checking for gcc option to produce PIC
configure:8450: result: -fPIC -DPIC
configure:8458: checking if gcc PIC flag -fPIC -DPIC works
configure:8476: gcc -c -g -O2 -fPIC -DPIC -DPIC conftest.c >&5
configure:8480: $? = 0
configure:8493: result: yes
configure:8522: checking if gcc static flag -static works
configure:8550: result: yes
configure:8565: checking if gcc supports -c -o file.o
configure:8586: gcc -c -g -O2 -o out/conftest2.o conftest.c >&5
configure:8590: $? = 0
configure:8612: result: yes
configure:8620: checking if gcc supports -c -o file.o
configure:8667: result: yes
configure:8700: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
configure:9959: result: yes
configure:9996: checking whether -lc should be explicitly linked in
configure:10004: gcc -c -g -O2 conftest.c >&5
configure:10007: $? = 0
configure:10022: gcc -shared -fPIC -DPIC conftest.o -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /usr/bin/grep -lc \>/dev/null 2\>\&1
configure:10025: $? = 0
configure:10039: result: no
configure:10199: checking dynamic linker characteristics
configure:10780: gcc -o conftest -g -O2 -Wl,-rpath -Wl,/foo conftest.c >&5
configure:10780: $? = 0
configure:11020: result: GNU/Linux ld.so
configure:11142: checking how to hardcode library paths into programs
configure:11167: result: immediate
configure:11715: checking whether stripping libraries is possible
configure:11720: result: yes
configure:11755: checking if libtool supports shared libraries
configure:11757: result: yes
configure:11760: checking whether to build shared libraries
configure:11785: result: yes
configure:11788: checking whether to build static libraries
configure:11792: result: no
configure:8676: checking for gcc
configure:8703: result: gcc
configure:8932: checking for C compiler version
configure:8941: gcc --version >&5
gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
configure:8952: $? = 0
configure:8941: gcc -v >&5
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:hsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.3.0-10ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
configure:8952: $? = 0
configure:8941: gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:8952: $? = 1
configure:8941: gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'; did you mean '--version'?
gcc: fatal error: no input files
compilation terminated.
configure:8952: $? = 1
configure:8956: checking whether we are using the GNU C compiler
configure:8984: result: yes
configure:8993: checking whether gcc accepts -g
configure:9054: result: yes
configure:9071: checking for gcc option to accept ISO C89
configure:9147: result: none needed
configure:9172: checking whether gcc understands -c and -o together
configure:9209: result: yes
configure:9228: checking dependency style of gcc
configure:9339: result: gcc3
configure:9356: checking for a sed that does not truncate output
configure:9420: result: /usr/bin/sed
configure:9470: checking for main in -lm
configure:9489: gcc -o conftest -g -O2 -Wall -Wextra -pedantic -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 conftest.c -lm >&5
configure:9489: $? = 0
configure:9498: result: yes
configure:9616: checking that generated files are newer than configure
configure:9622: result: done
configure:9649: creating ./config.status
## ---------------------- ##
## Running config.status. ##
## ---------------------- ##
This file was extended by admesh config.status 0.98.4'', which was
generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES =
CONFIG_HEADERS =
CONFIG_LINKS =
CONFIG_COMMANDS =
$ ./config.status
on tomator
config.status:1082: creating Makefile
config.status:1082: creating libadmesh.pc
config.status:1082: creating config.h
config.status:1311: executing depfiles commands
config.status:1388: cd . && sed -e '/# am--include-marker/d' Makefile | make -f - am--depfiles
config.status:1393: $? = 0
config.status:1311: executing libtool commands
configure:11803:
==============================================================================
Build configuration:
werror: no
==============================================================================
## ---------------- ##
## Cache variables. ##
## ---------------- ##
ac_cv_build=x86_64-unknown-linux-gnu
ac_cv_c_compiler_gnu=yes
ac_cv_env_CC_set=
ac_cv_env_CC_value=
ac_cv_env_CFLAGS_set=
ac_cv_env_CFLAGS_value=
ac_cv_env_CPPFLAGS_set=
ac_cv_env_CPPFLAGS_value=
ac_cv_env_CPP_set=
ac_cv_env_CPP_value=
ac_cv_env_LDFLAGS_set=
ac_cv_env_LDFLAGS_value=
ac_cv_env_LIBS_set=
ac_cv_env_LIBS_value=
ac_cv_env_LT_SYS_LIBRARY_PATH_set=
ac_cv_env_LT_SYS_LIBRARY_PATH_value=
ac_cv_env_build_alias_set=
ac_cv_env_build_alias_value=
ac_cv_env_host_alias_set=
ac_cv_env_host_alias_value=
ac_cv_env_target_alias_set=
ac_cv_env_target_alias_value=
ac_cv_header_dlfcn_h=yes
ac_cv_header_inttypes_h=yes
ac_cv_header_memory_h=yes
ac_cv_header_stdc=yes
ac_cv_header_stdint_h=yes
ac_cv_header_stdlib_h=yes
ac_cv_header_string_h=yes
ac_cv_header_strings_h=yes
ac_cv_header_sys_stat_h=yes
ac_cv_header_sys_types_h=yes
ac_cv_header_unistd_h=yes
ac_cv_host=x86_64-unknown-linux-gnu
ac_cv_lib_m_main=yes
ac_cv_objext=o
ac_cv_path_EGREP='/usr/bin/grep -E'
ac_cv_path_FGREP='/usr/bin/grep -F'
ac_cv_path_GREP=/usr/bin/grep
ac_cv_path_SED=/usr/bin/sed
ac_cv_path_install='/usr/bin/install -c'
ac_cv_path_lt_DD=/usr/bin/dd
ac_cv_path_mkdir=/usr/bin/mkdir
ac_cv_prog_AWK=mawk
ac_cv_prog_CPP='gcc -E'
ac_cv_prog_ac_ct_AR=ar
ac_cv_prog_ac_ct_CC=gcc
ac_cv_prog_ac_ct_MANIFEST_TOOL=mt
ac_cv_prog_ac_ct_OBJDUMP=objdump
ac_cv_prog_ac_ct_RANLIB=ranlib
ac_cv_prog_ac_ct_STRIP=strip
ac_cv_prog_cc_c89=
ac_cv_prog_cc_g=yes
ac_cv_prog_make_make_set=yes
am_cv_CC_dependencies_compiler_type=gcc3
am_cv_make_support_nested_variables=yes
am_cv_prog_cc_c_o=yes
lt_cv_ar_at_file=@
lt_cv_archive_cmds_need_lc=no
lt_cv_deplibs_check_method=pass_all
lt_cv_file_magic_cmd='$MAGIC_CMD'
lt_cv_file_magic_test_file=
lt_cv_ld_reload_flag=-r
lt_cv_nm_interface='BSD nm'
lt_cv_objdir=.libs
lt_cv_path_LD=/usr/bin/ld
lt_cv_path_NM='/usr/bin/nm -B'
lt_cv_path_mainfest_tool=no
lt_cv_prog_compiler_c_o=yes
lt_cv_prog_compiler_pic='-fPIC -DPIC'
lt_cv_prog_compiler_pic_works=yes
lt_cv_prog_compiler_rtti_exceptions=no
lt_cv_prog_compiler_static_works=yes
lt_cv_prog_gnu_ld=yes
lt_cv_sharedlib_from_linklib_cmd='printf %s\n'
lt_cv_shlibpath_overrides_runpath=yes
lt_cv_sys_global_symbol_pipe='sed -n -e '\''s/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p'\'' | sed '\''/ __gnu_lto/d'\'''
lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \(.*\) .*$/ {"\1", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/ {"\1", (void *) \&\1},/p'\'''
lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \(.*\) .*$/ {"\1", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(lib.*\)$/ {"\1", (void *) \&\1},/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/ {"lib\1", (void *) \&\1},/p'\'''
lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW][ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\'''
lt_cv_sys_global_symbol_to_import=
lt_cv_sys_max_cmd_len=1572864
lt_cv_to_host_file_cmd=func_convert_file_noop
lt_cv_to_tool_file_cmd=func_convert_file_noop
lt_cv_truncate_bin='/usr/bin/dd bs=4096 count=1'
## ----------------- ##
## Output variables. ##
## ----------------- ##
ACLOCAL='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/missing aclocal-1.16'
AMDEPBACKSLASH='\'
AMDEP_FALSE='#'
AMDEP_TRUE=''
AMTAR='$${TAR-tar}'
AM_BACKSLASH='\'
AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
AM_DEFAULT_VERBOSITY='0'
AM_V='$(V)'
AR='ar'
AUTOCONF='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/missing autoconf'
AUTOHEADER='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/missing autoheader'
AUTOMAKE='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/missing automake-1.16'
AWK='mawk'
CC='gcc'
CCDEPMODE='depmode=gcc3'
CFLAGS='-g -O2 -Wall -Wextra -pedantic -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2'
CPP='gcc -E'
CPPFLAGS=''
CYGPATH_W='echo'
DEAD_STRIP='-Wl,--gc-sections -Wl,--as-needed'
DEFS='-DHAVE_CONFIG_H'
DEPDIR='.deps'
DLLTOOL='false'
DSYMUTIL=''
DUMPBIN=''
ECHO_C=''
ECHO_N='-n'
ECHO_T=''
EGREP='/usr/bin/grep -E'
EXEEXT=''
FGREP='/usr/bin/grep -F'
GREP='/usr/bin/grep'
INSTALL_DATA='${INSTALL} -m 644'
INSTALL_PROGRAM='${INSTALL}'
INSTALL_SCRIPT='${INSTALL}'
INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
LD='/usr/bin/ld -m elf_x86_64'
LDFLAGS=''
LIBOBJS=''
LIBS='-lm '
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
LIPO=''
LN_S='ln -s'
LTLIBOBJS=''
LT_SYS_LIBRARY_PATH=''
MAKEINFO='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/missing makeinfo'
MANIFEST_TOOL=':'
MKDIR_P='/usr/bin/mkdir -p'
NM='/usr/bin/nm -B'
NMEDIT=''
OBJDUMP='objdump'
OBJEXT='o'
OTOOL64=''
OTOOL=''
PACKAGE='admesh'
PACKAGE_BUGREPORT=''
PACKAGE_NAME='admesh'
PACKAGE_STRING='admesh 0.98.4'
PACKAGE_TARNAME='admesh'
PACKAGE_URL=''
PACKAGE_VERSION='0.98.4'
PATH_SEPARATOR=':'
RANLIB='ranlib'
SED='/usr/bin/sed'
SET_MAKE=''
SHELL='/bin/bash'
STRIP='strip'
VERSION='0.98.4'
ac_ct_AR='ar'
ac_ct_CC='gcc'
ac_ct_DUMPBIN=''
am__EXEEXT_FALSE=''
am__EXEEXT_TRUE='#'
am__fastdepCC_FALSE='#'
am__fastdepCC_TRUE=''
am__include='include'
am__isrc=''
am__leading_dot='.'
am__nodep='_no'
am__quote=''
am__tar='$${TAR-tar} chof - "$$tardir"'
am__untar='$${TAR-tar} xf -'
bindir='${exec_prefix}/bin'
build='x86_64-unknown-linux-gnu'
build_alias=''
build_cpu='x86_64'
build_os='linux-gnu'
build_vendor='unknown'
datadir='${datarootdir}'
datarootdir='${prefix}/share'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
dvidir='${docdir}'
exec_prefix='${prefix}'
host='x86_64-unknown-linux-gnu'
host_alias=''
host_cpu='x86_64'
host_os='linux-gnu'
host_vendor='unknown'
htmldir='${docdir}'
includedir='${prefix}/include'
infodir='${datarootdir}/info'
install_sh='${SHELL} /home/tomate/mightyscape/papercraft_unfold/admesh/admesh-0.98.4/install-sh'
libdir='${exec_prefix}/lib'
libexecdir='${exec_prefix}/libexec'
localedir='${datarootdir}/locale'
localstatedir='${prefix}/var'
mandir='${datarootdir}/man'
mkdir_p='$(MKDIR_P)'
oldincludedir='/usr/include'
pdfdir='${docdir}'
prefix='/usr/local'
program_transform_name='s,x,x,'
psdir='${docdir}'
sbindir='${exec_prefix}/sbin'
sharedstatedir='${prefix}/com'
sysconfdir='${prefix}/etc'
target_alias=''
## ----------- ##
## confdefs.h. ##
## ----------- ##
/* confdefs.h */
#define PACKAGE_NAME "admesh"
#define PACKAGE_TARNAME "admesh"
#define PACKAGE_VERSION "0.98.4"
#define PACKAGE_STRING "admesh 0.98.4"
#define PACKAGE_BUGREPORT ""
#define PACKAGE_URL ""
#define PACKAGE "admesh"
#define VERSION "0.98.4"
#define STDC_HEADERS 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_SYS_STAT_H 1
#define HAVE_STDLIB_H 1
#define HAVE_STRING_H 1
#define HAVE_MEMORY_H 1
#define HAVE_STRINGS_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_UNISTD_H 1
#define HAVE_DLFCN_H 1
#define LT_OBJDIR ".libs/"
#define HAVE_LIBM 1
configure: exit 0
## ---------------------- ##
## Running config.status. ##
## ---------------------- ##
This file was extended by admesh config.status 0.98.4'', which was
generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES =
CONFIG_HEADERS =
CONFIG_LINKS =
CONFIG_COMMANDS =
$ ./config.status libadmesh.pc
on tomator
config.status:1082: creating libadmesh.pc

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extensions/fablabchemnitz/papercraft_unfold/admesh/linux/config.sub vendored Executable file
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extensions/fablabchemnitz/papercraft_unfold/admesh/linux/configure.ac Normal file
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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.65])
# ====================
# Version informations
# ====================
m4_define([admesh_version_major],[0])
m4_define([admesh_version_minor],[98])
m4_define([admesh_version_micro],[4])
m4_define([admesh_version_suffix],[])
m4_define([admesh_version],[admesh_version_major.admesh_version_minor.admesh_version_micro''admesh_version_suffix])
# =============
# Automake init
# =============
AC_INIT([admesh],[admesh_version])
AC_CONFIG_MACRO_DIR([m4])
AM_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz subdir-objects])
AM_SILENT_RULES([yes])
LT_INIT([disable-static pic-only])
AC_LANG([C])
# ===========================
# Find required base packages
# ===========================
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_SED
AC_PROG_MKDIR_P
# =======================
# Platform specific setup
# =======================
AC_CANONICAL_HOST
case $host_os in
darwin* )
DEAD_STRIP="-Wl,-dead_strip"
;;
*)
DEAD_STRIP="-Wl,--gc-sections -Wl,--as-needed"
;;
esac
AC_SUBST(DEAD_STRIP)
# ================
# Check for cflags
# ================
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror], [Treat all warnings as errors, useful for development @<:@default=disabled@:>@])],
[enable_werror="$enableval"],
[enable_werror=no]
)
AS_IF([test x"$enable_werror" != "xno"], [
CFLAGS="$CFLAGS -Werror"
CXXFLAGS="$CXXFLAGS -Werror"
])
AS_IF([test x"$GCC" = xyes], [
# Be tough with warnings and produce less careless code
CFLAGS="$CFLAGS -Wall -Wextra -pedantic -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2"
CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wshadow -pedantic -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2"
])
# =========
# Find libs
# =========
AC_CHECK_LIB(m, main)
# =====================
# Prepare all .in files
# =====================
AC_CONFIG_FILES([
Makefile
libadmesh.pc
])
AC_OUTPUT
# ==============================================
# Display final informations about configuration
# ==============================================
AC_MSG_NOTICE([
==============================================================================
Build configuration:
werror: ${enable_werror}
==============================================================================
])

791
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/depcomp Executable file
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#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2013-05-30.07; # UTC
# Copyright (C) 1999-2014 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try '$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by 'PROGRAMS ARGS'.
object Object file output by 'PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputting dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
# Get the directory component of the given path, and save it in the
# global variables '$dir'. Note that this directory component will
# be either empty or ending with a '/' character. This is deliberate.
set_dir_from ()
{
case $1 in
*/*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
*) dir=;;
esac
}
# Get the suffix-stripped basename of the given path, and save it the
# global variable '$base'.
set_base_from ()
{
base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
}
# If no dependency file was actually created by the compiler invocation,
# we still have to create a dummy depfile, to avoid errors with the
# Makefile "include basename.Plo" scheme.
make_dummy_depfile ()
{
echo "#dummy" > "$depfile"
}
# Factor out some common post-processing of the generated depfile.
# Requires the auxiliary global variable '$tmpdepfile' to be set.
aix_post_process_depfile ()
{
# If the compiler actually managed to produce a dependency file,
# post-process it.
if test -f "$tmpdepfile"; then
# Each line is of the form 'foo.o: dependency.h'.
# Do two passes, one to just change these to
# $object: dependency.h
# and one to simply output
# dependency.h:
# which is needed to avoid the deleted-header problem.
{ sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
} > "$depfile"
rm -f "$tmpdepfile"
else
make_dummy_depfile
fi
}
# A tabulation character.
tab=' '
# A newline character.
nl='
'
# Character ranges might be problematic outside the C locale.
# These definitions help.
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
lower=abcdefghijklmnopqrstuvwxyz
digits=0123456789
alpha=${upper}${lower}
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Avoid interferences from the environment.
gccflag= dashmflag=
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
cygpath_u="cygpath -u -f -"
if test "$depmode" = msvcmsys; then
# This is just like msvisualcpp but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvisualcpp
fi
if test "$depmode" = msvc7msys; then
# This is just like msvc7 but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u='sed s,\\\\,/,g'
depmode=msvc7
fi
if test "$depmode" = xlc; then
# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
gccflag=-qmakedep=gcc,-MF
depmode=gcc
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
## the command line argument order; so add the flags where they
## appear in depend2.am. Note that the slowdown incurred here
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
for arg
do
case $arg in
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
*) set fnord "$@" "$arg" ;;
esac
shift # fnord
shift # $arg
done
"$@"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
## (see the conditional assignment to $gccflag above).
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say). Also, it might not be
## supported by the other compilers which use the 'gcc' depmode.
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The second -e expression handles DOS-style file names with drive
# letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the "deleted header file" problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
## Some versions of gcc put a space before the ':'. On the theory
## that the space means something, we add a space to the output as
## well. hp depmode also adds that space, but also prefixes the VPATH
## to the object. Take care to not repeat it in the output.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like '#:fec' to the end of the
# dependency line.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
| tr "$nl" ' ' >> "$depfile"
echo >> "$depfile"
# The second pass generates a dummy entry for each header file.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile"
;;
xlc)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts '$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.u
tmpdepfile2=$base.u
tmpdepfile3=$dir.libs/$base.u
"$@" -Wc,-M
else
tmpdepfile1=$dir$base.u
tmpdepfile2=$dir$base.u
tmpdepfile3=$dir$base.u
"$@" -M
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
aix_post_process_depfile
;;
tcc)
# tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
# FIXME: That version still under development at the moment of writing.
# Make that this statement remains true also for stable, released
# versions.
# It will wrap lines (doesn't matter whether long or short) with a
# trailing '\', as in:
#
# foo.o : \
# foo.c \
# foo.h \
#
# It will put a trailing '\' even on the last line, and will use leading
# spaces rather than leading tabs (at least since its commit 0394caf7
# "Emit spaces for -MD").
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
# We have to change lines of the first kind to '$object: \'.
sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
# And for each line of the second kind, we have to emit a 'dep.h:'
# dummy dependency, to avoid the deleted-header problem.
sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
rm -f "$tmpdepfile"
;;
## The order of this option in the case statement is important, since the
## shell code in configure will try each of these formats in the order
## listed in this file. A plain '-MD' option would be understood by many
## compilers, so we must ensure this comes after the gcc and icc options.
pgcc)
# Portland's C compiler understands '-MD'.
# Will always output deps to 'file.d' where file is the root name of the
# source file under compilation, even if file resides in a subdirectory.
# The object file name does not affect the name of the '.d' file.
# pgcc 10.2 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using '\' :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
set_dir_from "$object"
# Use the source, not the object, to determine the base name, since
# that's sadly what pgcc will do too.
set_base_from "$source"
tmpdepfile=$base.d
# For projects that build the same source file twice into different object
# files, the pgcc approach of using the *source* file root name can cause
# problems in parallel builds. Use a locking strategy to avoid stomping on
# the same $tmpdepfile.
lockdir=$base.d-lock
trap "
echo '$0: caught signal, cleaning up...' >&2
rmdir '$lockdir'
exit 1
" 1 2 13 15
numtries=100
i=$numtries
while test $i -gt 0; do
# mkdir is a portable test-and-set.
if mkdir "$lockdir" 2>/dev/null; then
# This process acquired the lock.
"$@" -MD
stat=$?
# Release the lock.
rmdir "$lockdir"
break
else
# If the lock is being held by a different process, wait
# until the winning process is done or we timeout.
while test -d "$lockdir" && test $i -gt 0; do
sleep 1
i=`expr $i - 1`
done
fi
i=`expr $i - 1`
done
trap - 1 2 13 15
if test $i -le 0; then
echo "$0: failed to acquire lock after $numtries attempts" >&2
echo "$0: check lockdir '$lockdir'" >&2
exit 1
fi
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option
# to use with these is +Maked; it writes dependencies to a file named
# 'foo.d', which lands next to the object file, wherever that
# happens to be.
# Much of this is similar to the tru64 case; see comments there.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir.libs/$base.d
"$@" -Wc,+Maked
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
"$@" +Maked
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
# Add 'dependent.h:' lines.
sed -ne '2,${
s/^ *//
s/ \\*$//
s/$/:/
p
}' "$tmpdepfile" >> "$depfile"
else
make_dummy_depfile
fi
rm -f "$tmpdepfile" "$tmpdepfile2"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in 'foo.d' instead, so we check for that too.
# Subdirectories are respected.
set_dir_from "$object"
set_base_from "$object"
if test "$libtool" = yes; then
# Libtool generates 2 separate objects for the 2 libraries. These
# two compilations output dependencies in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir$base.o.d # libtool 1.5
tmpdepfile2=$dir.libs/$base.o.d # Likewise.
tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -ne 0; then
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
# Same post-processing that is required for AIX mode.
aix_post_process_depfile
;;
msvc7)
if test "$libtool" = yes; then
showIncludes=-Wc,-showIncludes
else
showIncludes=-showIncludes
fi
"$@" $showIncludes > "$tmpdepfile"
stat=$?
grep -v '^Note: including file: ' "$tmpdepfile"
if test $stat -ne 0; then
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
# The first sed program below extracts the file names and escapes
# backslashes for cygpath. The second sed program outputs the file
# name when reading, but also accumulates all include files in the
# hold buffer in order to output them again at the end. This only
# works with sed implementations that can handle large buffers.
sed < "$tmpdepfile" -n '
/^Note: including file: *\(.*\)/ {
s//\1/
s/\\/\\\\/g
p
}' | $cygpath_u | sort -u | sed -n '
s/ /\\ /g
s/\(.*\)/'"$tab"'\1 \\/p
s/.\(.*\) \\/\1:/
H
$ {
s/.*/'"$tab"'/
G
p
}' >> "$depfile"
echo >> "$depfile" # make sure the fragment doesn't end with a backslash
rm -f "$tmpdepfile"
;;
msvc7msys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for ':'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
"$@" $dashmflag |
sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this sed invocation
# correctly. Breaking it into two sed invocations is a workaround.
tr ' ' "$nl" < "$tmpdepfile" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no eat=no
for arg
do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
if test $eat = yes; then
eat=no
continue
fi
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-arch)
eat=yes ;;
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix=`echo "$object" | sed 's/^.*\././'`
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
# makedepend may prepend the VPATH from the source file name to the object.
# No need to regex-escape $object, excess matching of '.' is harmless.
sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process the last invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed '1,2d' "$tmpdepfile" \
| tr ' ' "$nl" \
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
| sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove '-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E \
| sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
| sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
IFS=" "
for arg
do
case "$arg" in
-o)
shift
;;
$object)
shift
;;
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E 2>/dev/null |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
echo "$tab" >> "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvcmsys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

527
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/install-sh Executable file
View File

@ -0,0 +1,527 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2011-11-20.07; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
nl='
'
IFS=" "" $nl"
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit=${DOITPROG-}
if test -z "$doit"; then
doit_exec=exec
else
doit_exec=$doit
fi
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_glob='?'
initialize_posix_glob='
test "$posix_glob" != "?" || {
if (set -f) 2>/dev/null; then
posix_glob=
else
posix_glob=:
fi
}
'
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
no_target_directory=
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
shift;;
-T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
do_exit='(exit $ret); exit $ret'
trap "ret=129; $do_exit" 1
trap "ret=130; $do_exit" 2
trap "ret=141; $do_exit" 13
trap "ret=143; $do_exit" 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names problematic for 'test' and other utilities.
case $src in
-* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test -n "$no_target_directory"; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dst=$dstdir/`basename "$src"`
dstdir_status=0
else
# Prefer dirname, but fall back on a substitute if dirname fails.
dstdir=`
(dirname "$dst") 2>/dev/null ||
expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$dst" : 'X\(//\)[^/]' \| \
X"$dst" : 'X\(//\)$' \| \
X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
echo X"$dst" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'
`
test -d "$dstdir"
dstdir_status=$?
fi
fi
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
if (umask $mkdir_umask &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
[-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
$posix_glob set -f
set fnord $dstdir
shift
$posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
eval "$initialize_posix_glob" &&
$posix_glob set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
$posix_glob set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

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# libadmesh.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname='libadmesh.so.1'
# Names of this library.
library_names='libadmesh.so.1.0.0 libadmesh.so.1 libadmesh.so'
# The name of the static archive.
old_library=''
# Linker flags that cannot go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=' -lm'
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libadmesh.
current=1
age=0
revision=0
# Is this an already installed library?
installed=no
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/usr/local/lib'

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prefix=/usr/local
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: libadmesh
Description: Library for woring with admesh
Version: 0.98.4
Libs: -L${libdir} -ladmesh
Libs.private:
Cflags: -I${includedir}

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prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
Name: libadmesh
Description: Library for woring with admesh
Version: @VERSION@
Libs: -L${libdir} -ladmesh
Libs.private:
Cflags: -I${includedir}

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# Helper functions for option handling. -*- Autoconf -*-
#
# Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 8 ltoptions.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
# ------------------------------------------
m4_define([_LT_MANGLE_OPTION],
[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
# ---------------------------------------
# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
# matching handler defined, dispatch to it. Other OPTION-NAMEs are
# saved as a flag.
m4_define([_LT_SET_OPTION],
[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
_LT_MANGLE_DEFUN([$1], [$2]),
[m4_warning([Unknown $1 option '$2'])])[]dnl
])
# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
[m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])
# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME. If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[_LT_SET_OPTION([$1], _LT_Option)])
m4_if([$1],[LT_INIT],[
dnl
dnl Simply set some default values (i.e off) if boolean options were not
dnl specified:
_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
])
_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
])
dnl
dnl If no reference was made to various pairs of opposing options, then
dnl we run the default mode handler for the pair. For example, if neither
dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
dnl archives by default:
_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
[_LT_ENABLE_FAST_INSTALL])
_LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
[_LT_WITH_AIX_SONAME([aix])])
])
])# _LT_SET_OPTIONS
## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##
# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE
# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])
AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
;;
esac
test -z "$AS" && AS=as
_LT_DECL([], [AS], [1], [Assembler program])dnl
test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
])# win32-dll
AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
# _LT_ENABLE_SHARED([DEFAULT])
# ----------------------------
# implement the --enable-shared flag, and supports the 'shared' and
# 'disable-shared' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_SHARED],
[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
_LT_DECL([build_libtool_libs], [enable_shared], [0],
[Whether or not to build shared libraries])
])# _LT_ENABLE_SHARED
LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
# Old names:
AC_DEFUN([AC_ENABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
AC_DEFUN([AC_DISABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], [disable-shared])
])
AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_SHARED], [])
dnl AC_DEFUN([AM_DISABLE_SHARED], [])
# _LT_ENABLE_STATIC([DEFAULT])
# ----------------------------
# implement the --enable-static flag, and support the 'static' and
# 'disable-static' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_STATIC],
[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
_LT_DECL([build_old_libs], [enable_static], [0],
[Whether or not to build static libraries])
])# _LT_ENABLE_STATIC
LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
# Old names:
AC_DEFUN([AC_ENABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
AC_DEFUN([AC_DISABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], [disable-static])
])
AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_STATIC], [])
dnl AC_DEFUN([AM_DISABLE_STATIC], [])
# _LT_ENABLE_FAST_INSTALL([DEFAULT])
# ----------------------------------
# implement the --enable-fast-install flag, and support the 'fast-install'
# and 'disable-fast-install' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_FAST_INSTALL],
[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([fast-install],
[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
enable_fast_install=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_fast_install=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
_LT_DECL([fast_install], [enable_fast_install], [0],
[Whether or not to optimize for fast installation])dnl
])# _LT_ENABLE_FAST_INSTALL
LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
# Old names:
AU_DEFUN([AC_ENABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
AU_DEFUN([AC_DISABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
# _LT_WITH_AIX_SONAME([DEFAULT])
# ----------------------------------
# implement the --with-aix-soname flag, and support the `aix-soname=aix'
# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'.
m4_define([_LT_WITH_AIX_SONAME],
[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
shared_archive_member_spec=
case $host,$enable_shared in
power*-*-aix[[5-9]]*,yes)
AC_MSG_CHECKING([which variant of shared library versioning to provide])
AC_ARG_WITH([aix-soname],
[AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
[shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
[case $withval in
aix|svr4|both)
;;
*)
AC_MSG_ERROR([Unknown argument to --with-aix-soname])
;;
esac
lt_cv_with_aix_soname=$with_aix_soname],
[AC_CACHE_VAL([lt_cv_with_aix_soname],
[lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
with_aix_soname=$lt_cv_with_aix_soname])
AC_MSG_RESULT([$with_aix_soname])
if test aix != "$with_aix_soname"; then
# For the AIX way of multilib, we name the shared archive member
# based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
# and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
# Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
# the AIX toolchain works better with OBJECT_MODE set (default 32).
if test 64 = "${OBJECT_MODE-32}"; then
shared_archive_member_spec=shr_64
else
shared_archive_member_spec=shr
fi
fi
;;
*)
with_aix_soname=aix
;;
esac
_LT_DECL([], [shared_archive_member_spec], [0],
[Shared archive member basename, for filename based shared library versioning on AIX])dnl
])# _LT_WITH_AIX_SONAME
LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
# _LT_WITH_PIC([MODE])
# --------------------
# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
# LT_INIT options.
# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'.
m4_define([_LT_WITH_PIC],
[AC_ARG_WITH([pic],
[AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
[lt_p=${PACKAGE-default}
case $withval in
yes|no) pic_mode=$withval ;;
*)
pic_mode=default
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for lt_pkg in $withval; do
IFS=$lt_save_ifs
if test "X$lt_pkg" = "X$lt_p"; then
pic_mode=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[pic_mode=m4_default([$1], [default])])
_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
])# _LT_WITH_PIC
LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
# Old name:
AU_DEFUN([AC_LIBTOOL_PICMODE],
[_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'pic-only' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
## ----------------- ##
## LTDL_INIT Options ##
## ----------------- ##
m4_define([_LTDL_MODE], [])
LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
[m4_define([_LTDL_MODE], [nonrecursive])])
LT_OPTION_DEFINE([LTDL_INIT], [recursive],
[m4_define([_LTDL_MODE], [recursive])])
LT_OPTION_DEFINE([LTDL_INIT], [subproject],
[m4_define([_LTDL_MODE], [subproject])])
m4_define([_LTDL_TYPE], [])
LT_OPTION_DEFINE([LTDL_INIT], [installable],
[m4_define([_LTDL_TYPE], [installable])])
LT_OPTION_DEFINE([LTDL_INIT], [convenience],
[m4_define([_LTDL_TYPE], [convenience])])

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# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])
# -----------------------------
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
# associated separator.
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
# versions in m4sugar had bugs.
m4_define([lt_join],
[m4_if([$#], [1], [],
[$#], [2], [[$2]],
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
m4_define([_lt_join],
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# lt_car(LIST)
# lt_cdr(LIST)
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[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
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# ------------------------------------------
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m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
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m4_define([lt_combine],
[m4_if(m4_eval([$# > 3]), [1],
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
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[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
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# -----------------------------
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# lt_dict_fetch(DICT, KEY, [SUBKEY])
# ----------------------------------
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[$5],
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# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
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[m4_if([$5], [], [],
[lt_join(m4_quote(m4_default([$4], [[, ]])),
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])

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# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# @configure_input@
# serial 4179 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.4.6])
m4_define([LT_PACKAGE_REVISION], [2.4.6])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.4.6'
macro_revision='2.4.6'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])

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# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
# Foundation, Inc.
# Written by Scott James Remnant, 2004.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 5 lt~obsolete.m4
# These exist entirely to fool aclocal when bootstrapping libtool.
#
# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
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#
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# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
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#
# So we provide this file, which has a silly filename so it's always
# included after everything else. This provides aclocal with the
# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
# because those macros already exist, or will be overwritten later.
# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
#
# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
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AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
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m4_ifndef([_LT_PROG_F77], [AC_DEFUN([_LT_PROG_F77])])
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m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])])

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#! /bin/sh
# Common wrapper for a few potentially missing GNU programs.
scriptversion=2013-10-28.13; # UTC
# Copyright (C) 1996-2014 Free Software Foundation, Inc.
# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try '$0 --help' for more information"
exit 1
fi
case $1 in
--is-lightweight)
# Used by our autoconf macros to check whether the available missing
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exit 0
;;
--run)
# Back-compat with the calling convention used by older automake.
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;;
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echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
to PROGRAM being missing or too old.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
Supported PROGRAM values:
aclocal autoconf autoheader autom4te automake makeinfo
bison yacc flex lex help2man
Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
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Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing $scriptversion (GNU Automake)"
exit $?
;;
-*)
echo 1>&2 "$0: unknown '$1' option"
echo 1>&2 "Try '$0 --help' for more information"
exit 1
;;
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# Run the given program, remember its exit status.
"$@"; st=$?
# If it succeeded, we are done.
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case $2 in --version|--help) exit $st;; esac
# Exit code 63 means version mismatch. This often happens when the user
# tries to use an ancient version of a tool on a file that requires a
# minimum version.
if test $st -eq 63; then
msg="probably too old"
elif test $st -eq 127; then
# Program was missing.
msg="missing on your system"
else
# Program was found and executed, but failed. Give up.
exit $st
fi
perl_URL=http://www.perl.org/
flex_URL=http://flex.sourceforge.net/
gnu_software_URL=http://www.gnu.org/software
program_details ()
{
case $1 in
aclocal|automake)
echo "The '$1' program is part of the GNU Automake package:"
echo "<$gnu_software_URL/automake>"
echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
echo "<$gnu_software_URL/autoconf>"
echo "<$gnu_software_URL/m4/>"
echo "<$perl_URL>"
;;
autoconf|autom4te|autoheader)
echo "The '$1' program is part of the GNU Autoconf package:"
echo "<$gnu_software_URL/autoconf/>"
echo "It also requires GNU m4 and Perl in order to run:"
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echo "<$perl_URL>"
;;
esac
}
give_advice ()
{
# Normalize program name to check for.
normalized_program=`echo "$1" | sed '
s/^gnu-//; t
s/^gnu//; t
s/^g//; t'`
printf '%s\n' "'$1' is $msg."
configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
case $normalized_program in
autoconf*)
echo "You should only need it if you modified 'configure.ac',"
echo "or m4 files included by it."
program_details 'autoconf'
;;
autoheader*)
echo "You should only need it if you modified 'acconfig.h' or"
echo "$configure_deps."
program_details 'autoheader'
;;
automake*)
echo "You should only need it if you modified 'Makefile.am' or"
echo "$configure_deps."
program_details 'automake'
;;
aclocal*)
echo "You should only need it if you modified 'acinclude.m4' or"
echo "$configure_deps."
program_details 'aclocal'
;;
autom4te*)
echo "You might have modified some maintainer files that require"
echo "the 'autom4te' program to be rebuilt."
program_details 'autom4te'
;;
bison*|yacc*)
echo "You should only need it if you modified a '.y' file."
echo "You may want to install the GNU Bison package:"
echo "<$gnu_software_URL/bison/>"
;;
lex*|flex*)
echo "You should only need it if you modified a '.l' file."
echo "You may want to install the Fast Lexical Analyzer package:"
echo "<$flex_URL>"
;;
help2man*)
echo "You should only need it if you modified a dependency" \
"of a man page."
echo "You may want to install the GNU Help2man package:"
echo "<$gnu_software_URL/help2man/>"
;;
makeinfo*)
echo "You should only need it if you modified a '.texi' file, or"
echo "any other file indirectly affecting the aspect of the manual."
echo "You might want to install the Texinfo package:"
echo "<$gnu_software_URL/texinfo/>"
echo "The spurious makeinfo call might also be the consequence of"
echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
echo "want to install GNU make:"
echo "<$gnu_software_URL/make/>"
;;
*)
echo "You might have modified some files without having the proper"
echo "tools for further handling them. Check the 'README' file, it"
echo "often tells you about the needed prerequisites for installing"
echo "this package. You may also peek at any GNU archive site, in"
echo "case some other package contains this missing '$1' program."
;;
esac
}
give_advice "$1" | sed -e '1s/^/WARNING: /' \
-e '2,$s/^/ /' >&2
# Propagate the correct exit status (expected to be 127 for a program
# not found, 63 for a program that failed due to version mismatch).
exit $st
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

0
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src/admesh.o: src/admesh.c /usr/include/stdc-predef.h \
/usr/include/stdio.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
/usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
/usr/include/x86_64-linux-gnu/bits/long-double.h \
/usr/include/x86_64-linux-gnu/gnu/stubs.h \
/usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
/usr/include/x86_64-linux-gnu/bits/types.h \
/usr/include/x86_64-linux-gnu/bits/timesize.h \
/usr/include/x86_64-linux-gnu/bits/typesizes.h \
/usr/include/x86_64-linux-gnu/bits/time64.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
/usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
/usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h /usr/include/getopt.h \
/usr/include/x86_64-linux-gnu/bits/getopt_core.h \
/usr/include/x86_64-linux-gnu/bits/getopt_ext.h /usr/include/stdlib.h \
/usr/include/x86_64-linux-gnu/bits/waitflags.h \
/usr/include/x86_64-linux-gnu/bits/waitstatus.h \
/usr/include/x86_64-linux-gnu/bits/floatn.h \
/usr/include/x86_64-linux-gnu/bits/floatn-common.h \
/usr/include/x86_64-linux-gnu/sys/types.h \
/usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
/usr/include/x86_64-linux-gnu/bits/types/time_t.h \
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
/usr/include/x86_64-linux-gnu/bits/endian.h \
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/usr/include/x86_64-linux-gnu/bits/byteswap.h \
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
/usr/include/x86_64-linux-gnu/sys/select.h \
/usr/include/x86_64-linux-gnu/bits/select.h \
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
/usr/include/x86_64-linux-gnu/bits/select2.h \
/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h \
/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h \
/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h \
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/usr/include/stdc-predef.h:
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/usr/include/features.h:
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/usr/include/x86_64-linux-gnu/bits/stdio_lim.h:
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/usr/include/x86_64-linux-gnu/bits/stdio.h:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:
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/usr/include/x86_64-linux-gnu/bits/getopt_ext.h:
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/usr/include/x86_64-linux-gnu/bits/waitflags.h:
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/usr/include/x86_64-linux-gnu/sys/types.h:
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/usr/include/x86_64-linux-gnu/bits/types/time_t.h:
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/usr/include/x86_64-linux-gnu/bits/stdint-intn.h:
/usr/include/endian.h:
/usr/include/x86_64-linux-gnu/bits/endian.h:
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/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:
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/usr/include/x86_64-linux-gnu/bits/select.h:
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/usr/include/x86_64-linux-gnu/bits/stdlib-float.h:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:
src/stl.h:
config.h:

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src/connect.lo: src/connect.c /usr/include/stdc-predef.h \
/usr/include/stdio.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
/usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
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/usr/include/x86_64-linux-gnu/bits/timesize.h \
/usr/include/x86_64-linux-gnu/bits/typesizes.h \
/usr/include/x86_64-linux-gnu/bits/time64.h \
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/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
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/usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h /usr/include/stdlib.h \
/usr/include/x86_64-linux-gnu/bits/waitflags.h \
/usr/include/x86_64-linux-gnu/bits/waitstatus.h \
/usr/include/x86_64-linux-gnu/bits/floatn.h \
/usr/include/x86_64-linux-gnu/bits/floatn-common.h \
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/usr/include/x86_64-linux-gnu/bits/types/clock_t.h:
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h:
/usr/include/x86_64-linux-gnu/bits/types/time_t.h:
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h:
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h:
/usr/include/endian.h:
/usr/include/x86_64-linux-gnu/bits/endian.h:
/usr/include/x86_64-linux-gnu/bits/endianness.h:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:
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/usr/include/x86_64-linux-gnu/bits/mathinline.h:
src/stl.h:

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src/normals.lo: src/normals.c /usr/include/stdc-predef.h \
/usr/include/stdio.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
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/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
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/usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h:
/usr/include/x86_64-linux-gnu/bits/flt-eval-method.h:
/usr/include/x86_64-linux-gnu/bits/fp-logb.h:
/usr/include/x86_64-linux-gnu/bits/fp-fast.h:
/usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:
/usr/include/x86_64-linux-gnu/bits/mathinline.h:
src/stl.h:

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src/shared.lo: src/shared.c /usr/include/stdc-predef.h \
/usr/include/stdlib.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
/usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
/usr/include/x86_64-linux-gnu/bits/long-double.h \
/usr/include/x86_64-linux-gnu/gnu/stubs.h \
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/usr/include/x86_64-linux-gnu/bits/waitflags.h \
/usr/include/x86_64-linux-gnu/bits/waitstatus.h \
/usr/include/x86_64-linux-gnu/bits/floatn.h \
/usr/include/x86_64-linux-gnu/bits/floatn-common.h \
/usr/include/x86_64-linux-gnu/sys/types.h \
/usr/include/x86_64-linux-gnu/bits/types.h \
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/usr/include/x86_64-linux-gnu/bits/typesizes.h \
/usr/include/x86_64-linux-gnu/bits/time64.h \
/usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
/usr/include/x86_64-linux-gnu/bits/types/time_t.h \
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
/usr/include/x86_64-linux-gnu/bits/endian.h \
/usr/include/x86_64-linux-gnu/bits/endianness.h \
/usr/include/x86_64-linux-gnu/bits/byteswap.h \
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
/usr/include/x86_64-linux-gnu/sys/select.h \
/usr/include/x86_64-linux-gnu/bits/select.h \
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
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/usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
/usr/include/x86_64-linux-gnu/bits/stdlib.h /usr/include/string.h \
/usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__locale_t.h \
/usr/include/strings.h \
/usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
/usr/include/x86_64-linux-gnu/bits/string_fortified.h src/stl.h \
/usr/include/stdio.h /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
/usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
/usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h
/usr/include/stdc-predef.h:
/usr/include/stdlib.h:
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
/usr/include/features.h:
/usr/include/x86_64-linux-gnu/sys/cdefs.h:
/usr/include/x86_64-linux-gnu/bits/wordsize.h:
/usr/include/x86_64-linux-gnu/bits/long-double.h:
/usr/include/x86_64-linux-gnu/gnu/stubs.h:
/usr/include/x86_64-linux-gnu/gnu/stubs-64.h:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:
/usr/include/x86_64-linux-gnu/bits/waitflags.h:
/usr/include/x86_64-linux-gnu/bits/waitstatus.h:
/usr/include/x86_64-linux-gnu/bits/floatn.h:
/usr/include/x86_64-linux-gnu/bits/floatn-common.h:
/usr/include/x86_64-linux-gnu/sys/types.h:
/usr/include/x86_64-linux-gnu/bits/types.h:
/usr/include/x86_64-linux-gnu/bits/timesize.h:
/usr/include/x86_64-linux-gnu/bits/typesizes.h:
/usr/include/x86_64-linux-gnu/bits/time64.h:
/usr/include/x86_64-linux-gnu/bits/types/clock_t.h:
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h:
/usr/include/x86_64-linux-gnu/bits/types/time_t.h:
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h:
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h:
/usr/include/endian.h:
/usr/include/x86_64-linux-gnu/bits/endian.h:
/usr/include/x86_64-linux-gnu/bits/endianness.h:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:
/usr/include/x86_64-linux-gnu/sys/select.h:
/usr/include/x86_64-linux-gnu/bits/select.h:
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h:
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/usr/include/x86_64-linux-gnu/bits/select2.h:
/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h:
/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h:
/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h:
/usr/include/x86_64-linux-gnu/bits/struct_mutex.h:
/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h:
/usr/include/alloca.h:
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:
/usr/include/string.h:
/usr/include/x86_64-linux-gnu/bits/types/locale_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__locale_t.h:
/usr/include/strings.h:
/usr/include/x86_64-linux-gnu/bits/strings_fortified.h:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:
src/stl.h:
/usr/include/stdio.h:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h:
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__FILE.h:
/usr/include/x86_64-linux-gnu/bits/types/FILE.h:
/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h:
/usr/include/x86_64-linux-gnu/bits/stdio_lim.h:
/usr/include/x86_64-linux-gnu/bits/sys_errlist.h:
/usr/include/x86_64-linux-gnu/bits/stdio.h:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:

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src/stl_io.lo: src/stl_io.c /usr/include/stdc-predef.h \
/usr/include/stdlib.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
/usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
/usr/include/x86_64-linux-gnu/bits/long-double.h \
/usr/include/x86_64-linux-gnu/gnu/stubs.h \
/usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
/usr/include/x86_64-linux-gnu/bits/waitflags.h \
/usr/include/x86_64-linux-gnu/bits/waitstatus.h \
/usr/include/x86_64-linux-gnu/bits/floatn.h \
/usr/include/x86_64-linux-gnu/bits/floatn-common.h \
/usr/include/x86_64-linux-gnu/sys/types.h \
/usr/include/x86_64-linux-gnu/bits/types.h \
/usr/include/x86_64-linux-gnu/bits/timesize.h \
/usr/include/x86_64-linux-gnu/bits/typesizes.h \
/usr/include/x86_64-linux-gnu/bits/time64.h \
/usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
/usr/include/x86_64-linux-gnu/bits/types/time_t.h \
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
/usr/include/x86_64-linux-gnu/bits/endian.h \
/usr/include/x86_64-linux-gnu/bits/endianness.h \
/usr/include/x86_64-linux-gnu/bits/byteswap.h \
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
/usr/include/x86_64-linux-gnu/sys/select.h \
/usr/include/x86_64-linux-gnu/bits/select.h \
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
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/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
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/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h \
/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h \
/usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
/usr/include/x86_64-linux-gnu/bits/stdlib.h /usr/include/string.h \
/usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
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/usr/include/strings.h \
/usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
/usr/include/x86_64-linux-gnu/bits/string_fortified.h src/stl.h \
/usr/include/stdio.h /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
/usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
/usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h config.h
/usr/include/stdc-predef.h:
/usr/include/stdlib.h:
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
/usr/include/features.h:
/usr/include/x86_64-linux-gnu/sys/cdefs.h:
/usr/include/x86_64-linux-gnu/bits/wordsize.h:
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/usr/include/x86_64-linux-gnu/gnu/stubs-64.h:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:
/usr/include/x86_64-linux-gnu/bits/waitflags.h:
/usr/include/x86_64-linux-gnu/bits/waitstatus.h:
/usr/include/x86_64-linux-gnu/bits/floatn.h:
/usr/include/x86_64-linux-gnu/bits/floatn-common.h:
/usr/include/x86_64-linux-gnu/sys/types.h:
/usr/include/x86_64-linux-gnu/bits/types.h:
/usr/include/x86_64-linux-gnu/bits/timesize.h:
/usr/include/x86_64-linux-gnu/bits/typesizes.h:
/usr/include/x86_64-linux-gnu/bits/time64.h:
/usr/include/x86_64-linux-gnu/bits/types/clock_t.h:
/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h:
/usr/include/x86_64-linux-gnu/bits/types/time_t.h:
/usr/include/x86_64-linux-gnu/bits/types/timer_t.h:
/usr/include/x86_64-linux-gnu/bits/stdint-intn.h:
/usr/include/endian.h:
/usr/include/x86_64-linux-gnu/bits/endian.h:
/usr/include/x86_64-linux-gnu/bits/endianness.h:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:
/usr/include/x86_64-linux-gnu/sys/select.h:
/usr/include/x86_64-linux-gnu/bits/select.h:
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h:
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/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h:
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/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h:
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/usr/include/string.h:
/usr/include/x86_64-linux-gnu/bits/types/locale_t.h:
/usr/include/x86_64-linux-gnu/bits/types/__locale_t.h:
/usr/include/strings.h:
/usr/include/x86_64-linux-gnu/bits/strings_fortified.h:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:
src/stl.h:
/usr/include/stdio.h:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h:
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h:
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/usr/include/x86_64-linux-gnu/bits/stdio.h:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:
config.h:

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src/stlinit.lo: src/stlinit.c /usr/include/stdc-predef.h \
/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h /usr/include/stdint.h \
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
/usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
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/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h /usr/include/stdlib.h \
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/usr/include/x86_64-linux-gnu/bits/types/timer_t.h /usr/include/endian.h \
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/usr/include/x86_64-linux-gnu/bits/stdlib.h /usr/include/string.h \
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/usr/include/x86_64-linux-gnu/bits/mathcalls.h \
/usr/include/x86_64-linux-gnu/bits/mathinline.h src/portable_endian.h \
src/stl.h
/usr/include/stdc-predef.h:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h:
/usr/include/stdint.h:
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
/usr/include/features.h:
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/usr/include/x86_64-linux-gnu/bits/wordsize.h:
/usr/include/x86_64-linux-gnu/bits/long-double.h:
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/usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
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/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h /usr/include/stdlib.h \
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/usr/include/x86_64-linux-gnu/bits/waitstatus.h \
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/usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
/usr/include/x86_64-linux-gnu/bits/stdlib.h /usr/include/string.h \
/usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
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/usr/include/x86_64-linux-gnu/bits/mathcalls.h \
/usr/include/x86_64-linux-gnu/bits/mathinline.h src/stl.h
/usr/include/stdc-predef.h:
/usr/include/stdio.h:
/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
/usr/include/features.h:
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/usr/include/x86_64-linux-gnu/bits/struct_mutex.h:
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/usr/include/alloca.h:
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdio.h>
#include <getopt.h>
#include <stdlib.h>
#include "stl.h"
#include "config.h"
static void usage(int status, char *program_name);
int
main(int argc, char **argv) {
stl_file stl_in;
float tolerance = 0;
float increment = 0;
float x_trans;
float y_trans;
float z_trans;
float scale_factor = 0;
float rotate_x_angle = 0;
float rotate_y_angle = 0;
float rotate_z_angle = 0;
int c;
char *program_name;
char *binary_name = NULL;
char *ascii_name = NULL;
char *merge_name = NULL;
char *off_name = NULL;
char *dxf_name = NULL;
char *vrml_name = NULL;
int fixall_flag = 1; /* Default behavior is to fix all. */
int exact_flag = 0; /* All checks turned off by default. */
int tolerance_flag = 0; /* Is tolerance specified on cmdline */
int nearby_flag = 0;
int remove_unconnected_flag = 0;
int fill_holes_flag = 0;
int normal_directions_flag = 0;
int normal_values_flag = 0;
int reverse_all_flag = 0;
int write_binary_stl_flag = 0;
int write_ascii_stl_flag = 0;
int generate_shared_vertices_flag = 0;
int write_off_flag = 0;
int write_dxf_flag = 0;
int write_vrml_flag = 0;
int translate_flag = 0;
int scale_flag = 0;
int rotate_x_flag = 0;
int rotate_y_flag = 0;
int rotate_z_flag = 0;
int mirror_xy_flag = 0;
int mirror_yz_flag = 0;
int mirror_xz_flag = 0;
int merge_flag = 0;
int help_flag = 0;
int version_flag = 0;
int iterations = 2; /* Default number of iterations. */
int increment_flag = 0;
char *input_file = NULL;
int ret = 0;
enum {rotate_x = 1000, rotate_y, rotate_z, merge, help, version,
mirror_xy, mirror_yz, mirror_xz, scale, translate, reverse_all,
off_file, dxf_file, vrml_file
};
struct option long_options[] = {
{"exact", no_argument, NULL, 'e'},
{"nearby", no_argument, NULL, 'n'},
{"tolerance", required_argument, NULL, 't'},
{"iterations", required_argument, NULL, 'i'},
{"increment", required_argument, NULL, 'm'},
{"remove-unconnected", no_argument, NULL, 'u'},
{"fill-holes", no_argument, NULL, 'f'},
{"normal-directions", no_argument, NULL, 'd'},
{"normal-values", no_argument, NULL, 'v'},
{"no-check", no_argument, NULL, 'c'},
{"reverse-all", no_argument, NULL, reverse_all},
{"write-binary-stl", required_argument, NULL, 'b'},
{"write-ascii-stl", required_argument, NULL, 'a'},
{"write-off", required_argument, NULL, off_file},
{"write-dxf", required_argument, NULL, dxf_file},
{"write-vrml", required_argument, NULL, vrml_file},
{"translate", required_argument, NULL, translate},
{"scale", required_argument, NULL, scale},
{"x-rotate", required_argument, NULL, rotate_x},
{"y-rotate", required_argument, NULL, rotate_y},
{"z-rotate", required_argument, NULL, rotate_z},
{"xy-mirror", no_argument, NULL, mirror_xy},
{"yz-mirror", no_argument, NULL, mirror_yz},
{"xz-mirror", no_argument, NULL, mirror_xz},
{"merge", required_argument, NULL, merge},
{"help", no_argument, NULL, help},
{"version", no_argument, NULL, version},
{NULL, 0, NULL, 0}
};
program_name = argv[0];
while((c = getopt_long(argc, argv, "et:i:m:nufdcvb:a:",
long_options, (int *) 0)) != EOF) {
switch(c) {
case 0: /* If *flag is not null */
break;
case 'e':
exact_flag = 1;
fixall_flag = 0;
break;
case 'n':
nearby_flag = 1;
fixall_flag = 0;
break;
case 't':
tolerance_flag = 1;
tolerance = atof(optarg);
break;
case 'i':
iterations = atoi(optarg);
break;
case 'm':
increment_flag = 1;
increment = atof(optarg);
break;
case 'u':
remove_unconnected_flag = 1;
fixall_flag = 0;
break;
case 'f':
fill_holes_flag = 1;
fixall_flag = 0;
break;
case 'd':
normal_directions_flag = 1;
fixall_flag = 0;
break;
case 'v':
normal_values_flag = 1;
fixall_flag = 0;
break;
case 'c':
fixall_flag = 0;
break;
case reverse_all:
reverse_all_flag = 1;
fixall_flag = 0;
break;
case 'b':
write_binary_stl_flag = 1;
binary_name = optarg; /* I'm not sure if this is safe. */
break;
case 'a':
write_ascii_stl_flag = 1;
ascii_name = optarg; /* I'm not sure if this is safe. */
break;
case off_file:
generate_shared_vertices_flag = 1;
write_off_flag = 1;
off_name = optarg;
break;
case vrml_file:
generate_shared_vertices_flag = 1;
write_vrml_flag = 1;
vrml_name = optarg;
break;
case dxf_file:
write_dxf_flag = 1;
dxf_name = optarg;
break;
case translate:
translate_flag = 1;
sscanf(optarg, "%f,%f,%f", &x_trans, &y_trans, &z_trans);
break;
case scale:
scale_flag = 1;
scale_factor = atof(optarg);
break;
case rotate_x:
rotate_x_flag = 1;
rotate_x_angle = atof(optarg);
break;
case rotate_y:
rotate_y_flag = 1;
rotate_y_angle = atof(optarg);
break;
case rotate_z:
rotate_z_flag = 1;
rotate_z_angle = atof(optarg);
break;
case mirror_xy:
mirror_xy_flag = 1;
break;
case mirror_yz:
mirror_yz_flag = 1;
break;
case mirror_xz:
mirror_xz_flag = 1;
break;
case merge:
merge_flag = 1;
merge_name = optarg;
break;
case help:
help_flag = 1;
break;
case version:
version_flag = 1;
break;
default:
usage(1, program_name);
return 1;
}
}
if(help_flag) {
usage(0, program_name);
return 0;
}
if(version_flag) {
printf("ADMesh - version " VERSION "\n");
return 0;
}
if(optind == argc) {
printf("No input file name given.\n");
usage(1, program_name);
return 1;
} else {
input_file = argv[optind];
}
printf("\
ADMesh version " VERSION ", Copyright (C) 1995, 1996 Anthony D. Martin\n\
ADMesh comes with NO WARRANTY. This is free software, and you are welcome to\n\
redistribute it under certain conditions. See the file COPYING for details.\n");
printf("Opening %s\n", input_file);
stl_open(&stl_in, input_file);
stl_exit_on_error(&stl_in);
if(rotate_x_flag) {
printf("Rotating about the x axis by %f degrees...\n", rotate_x_angle);
stl_rotate_x(&stl_in, rotate_x_angle);
}
if(rotate_y_flag) {
printf("Rotating about the y axis by %f degrees...\n", rotate_y_angle);
stl_rotate_y(&stl_in, rotate_y_angle);
}
if(rotate_z_flag) {
printf("Rotating about the z axis by %f degrees...\n", rotate_z_angle);
stl_rotate_z(&stl_in, rotate_z_angle);
}
if(mirror_xy_flag) {
printf("Mirroring about the xy plane...\n");
stl_mirror_xy(&stl_in);
}
if(mirror_yz_flag) {
printf("Mirroring about the yz plane...\n");
stl_mirror_yz(&stl_in);
}
if(mirror_xz_flag) {
printf("Mirroring about the xz plane...\n");
stl_mirror_xz(&stl_in);
}
if(scale_flag) {
printf("Scaling by factor %f...\n", scale_factor);
stl_scale(&stl_in, scale_factor);
}
if(translate_flag) {
printf("Translating to %f, %f, %f ...\n", x_trans, y_trans, z_trans);
stl_translate(&stl_in, x_trans, y_trans, z_trans);
}
if(merge_flag) {
printf("Merging %s with %s\n", input_file, merge_name);
/* Open the file and add the contents to stl_in: */
stl_open_merge(&stl_in, merge_name);
}
stl_repair(&stl_in,
fixall_flag,
exact_flag,
tolerance_flag,
tolerance,
increment_flag,
increment,
nearby_flag,
iterations,
remove_unconnected_flag,
fill_holes_flag,
normal_directions_flag,
normal_values_flag,
reverse_all_flag,
1);
if(generate_shared_vertices_flag) {
printf("Generating shared vertices...\n");
stl_generate_shared_vertices(&stl_in);
}
if(write_off_flag) {
printf("Writing OFF file %s\n", off_name);
stl_write_off(&stl_in, off_name);
if (stl_in.error) {
stl_clear_error(&stl_in);
ret = 1;
}
}
if(write_dxf_flag) {
printf("Writing DXF file %s\n", dxf_name);
stl_write_dxf(&stl_in, dxf_name, "Created by ADMesh version " VERSION);
if (stl_in.error) {
stl_clear_error(&stl_in);
ret = 1;
}
}
if(write_vrml_flag) {
printf("Writing VRML file %s\n", vrml_name);
stl_write_vrml(&stl_in, vrml_name);
if (stl_in.error) {
stl_clear_error(&stl_in);
ret = 1;
}
}
if(write_ascii_stl_flag) {
printf("Writing ascii file %s\n", ascii_name);
stl_write_ascii(&stl_in, ascii_name,
"Processed by ADMesh version " VERSION);
if (stl_in.error) {
stl_clear_error(&stl_in);
ret = 1;
}
}
if(write_binary_stl_flag) {
printf("Writing binary file %s\n", binary_name);
stl_write_binary(&stl_in, binary_name,
"Processed by ADMesh version " VERSION);
if (stl_in.error) {
stl_clear_error(&stl_in);
ret = 1;
}
}
stl_stats_out(&stl_in, stdout, input_file);
stl_close(&stl_in);
if (ret)
fprintf(stderr, "Some part of the procedure failed, see the above log for more information about what happened.\n");
return ret;
}
static void
usage(int status, char *program_name) {
if(status != 0) {
fprintf(stderr, "Try '%s --help' for more information.\n", program_name);
} else {
printf("\n");
printf("ADMesh version " VERSION "\n");
printf("Copyright (C) 1995, 1996 Anthony D. Martin\n");
printf("Usage: %s [OPTION]... file\n", program_name);
printf("\n");
printf(" --x-rotate=angle Rotate CCW about x-axis by angle degrees\n");
printf(" --y-rotate=angle Rotate CCW about y-axis by angle degrees\n");
printf(" --z-rotate=angle Rotate CCW about z-axis by angle degrees\n");
printf(" --xy-mirror Mirror about the xy plane\n");
printf(" --yz-mirror Mirror about the yz plane\n");
printf(" --xz-mirror Mirror about the xz plane\n");
printf(" --scale=factor Scale the file by factor (multiply by factor)\n");
printf(" --translate=x,y,z Translate the file to x, y, and z\n");
printf(" --merge=name Merge file called name with input file\n");
printf(" -e, --exact Only check for perfectly matched edges\n");
printf(" -n, --nearby Find and connect nearby facets. Correct bad facets\n");
printf(" -t, --tolerance=tol Initial tolerance to use for nearby check = tol\n");
printf(" -i, --iterations=i Number of iterations for nearby check = i\n");
printf(" -m, --increment=inc Amount to increment tolerance after iteration=inc\n");
printf(" -u, --remove-unconnected Remove facets that have 0 neighbors\n");
printf(" -f, --fill-holes Add facets to fill holes\n");
printf(" -d, --normal-directions Check and fix direction of normals(ie cw, ccw)\n");
printf(" --reverse-all Reverse the directions of all facets and normals\n");
printf(" -v, --normal-values Check and fix normal values\n");
printf(" -c, --no-check Don't do any check on input file\n");
printf(" -b, --write-binary-stl=name Output a binary STL file called name\n");
printf(" -a, --write-ascii-stl=name Output an ascii STL file called name\n");
printf(" --write-off=name Output a Geomview OFF format file called name\n");
printf(" --write-dxf=name Output a DXF format file called name\n");
printf(" --write-vrml=name Output a VRML format file called name\n");
printf(" --help Display this help and exit\n");
printf(" --version Output version information and exit\n");
printf("\n");
printf("The functions are executed in the same order as the options shown here.\n");
printf("So check here to find what happens if, for example, --translate and --merge\n");
printf("options are specified together. The order of the options specified on the\n");
printf("command line is not important.\n");
}
}

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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "stl.h"
static void stl_match_neighbors_exact(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b);
static void stl_match_neighbors_nearby(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b);
static void stl_record_neighbors(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b);
static void stl_initialize_facet_check_exact(stl_file *stl);
static void stl_initialize_facet_check_nearby(stl_file *stl);
static void stl_load_edge_exact(stl_file *stl, stl_hash_edge *edge,
stl_vertex *a, stl_vertex *b);
static int stl_load_edge_nearby(stl_file *stl, stl_hash_edge *edge,
stl_vertex *a, stl_vertex *b, float tolerance);
static void insert_hash_edge(stl_file *stl, stl_hash_edge edge,
void (*match_neighbors)(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b));
static int stl_get_hash_for_edge(int M, stl_hash_edge *edge);
static int stl_compare_function(stl_hash_edge *edge_a, stl_hash_edge *edge_b);
static void stl_free_edges(stl_file *stl);
static void stl_remove_facet(stl_file *stl, int facet_number);
static void stl_change_vertices(stl_file *stl, int facet_num, int vnot,
stl_vertex new_vertex);
static void stl_which_vertices_to_change(stl_file *stl, stl_hash_edge *edge_a,
stl_hash_edge *edge_b, int *facet1, int *vertex1,
int *facet2, int *vertex2,
stl_vertex *new_vertex1, stl_vertex *new_vertex2);
static void stl_remove_degenerate(stl_file *stl, int facet);
extern int stl_check_normal_vector(stl_file *stl,
int facet_num, int normal_fix_flag);
static void stl_update_connects_remove_1(stl_file *stl, int facet_num);
void
stl_check_facets_exact(stl_file *stl) {
/* This function builds the neighbors list. No modifications are made
* to any of the facets. The edges are said to match only if all six
* floats of the first edge matches all six floats of the second edge.
*/
stl_hash_edge edge;
stl_facet facet;
int i;
int j;
if (stl->error) return;
stl->stats.connected_edges = 0;
stl->stats.connected_facets_1_edge = 0;
stl->stats.connected_facets_2_edge = 0;
stl->stats.connected_facets_3_edge = 0;
stl_initialize_facet_check_exact(stl);
for(i = 0; i < stl->stats.number_of_facets; i++) {
facet = stl->facet_start[i];
/* If any two of the three vertices are found to be exactally the same, call them degenerate and remove the facet. */
if( !memcmp(&facet.vertex[0], &facet.vertex[1],
sizeof(stl_vertex))
|| !memcmp(&facet.vertex[1], &facet.vertex[2],
sizeof(stl_vertex))
|| !memcmp(&facet.vertex[0], &facet.vertex[2],
sizeof(stl_vertex))) {
stl->stats.degenerate_facets += 1;
stl_remove_facet(stl, i);
i--;
continue;
}
for(j = 0; j < 3; j++) {
edge.facet_number = i;
edge.which_edge = j;
stl_load_edge_exact(stl, &edge, &facet.vertex[j],
&facet.vertex[(j + 1) % 3]);
insert_hash_edge(stl, edge, stl_match_neighbors_exact);
}
}
stl_free_edges(stl);
}
static void
stl_load_edge_exact(stl_file *stl, stl_hash_edge *edge,
stl_vertex *a, stl_vertex *b) {
float diff_x;
float diff_y;
float diff_z;
float max_diff;
if (stl->error) return;
diff_x = ABS(a->x - b->x);
diff_y = ABS(a->y - b->y);
diff_z = ABS(a->z - b->z);
max_diff = STL_MAX(diff_x, diff_y);
max_diff = STL_MAX(diff_z, max_diff);
stl->stats.shortest_edge = STL_MIN(max_diff, stl->stats.shortest_edge);
if(diff_x == max_diff) {
if(a->x > b->x) {
memcpy(&edge->key[0], a, sizeof(stl_vertex));
memcpy(&edge->key[3], b, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], b, sizeof(stl_vertex));
memcpy(&edge->key[3], a, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
} else if(diff_y == max_diff) {
if(a->y > b->y) {
memcpy(&edge->key[0], a, sizeof(stl_vertex));
memcpy(&edge->key[3], b, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], b, sizeof(stl_vertex));
memcpy(&edge->key[3], a, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
} else {
if(a->z > b->z) {
memcpy(&edge->key[0], a, sizeof(stl_vertex));
memcpy(&edge->key[3], b, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], b, sizeof(stl_vertex));
memcpy(&edge->key[3], a, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
}
}
static void
stl_initialize_facet_check_exact(stl_file *stl) {
int i;
if (stl->error) return;
stl->stats.malloced = 0;
stl->stats.freed = 0;
stl->stats.collisions = 0;
stl->M = 81397;
for(i = 0; i < stl->stats.number_of_facets ; i++) {
/* initialize neighbors list to -1 to mark unconnected edges */
stl->neighbors_start[i].neighbor[0] = -1;
stl->neighbors_start[i].neighbor[1] = -1;
stl->neighbors_start[i].neighbor[2] = -1;
}
stl->heads = (stl_hash_edge**)calloc(stl->M, sizeof(*stl->heads));
if(stl->heads == NULL) perror("stl_initialize_facet_check_exact");
stl->tail = (stl_hash_edge*)malloc(sizeof(stl_hash_edge));
if(stl->tail == NULL) perror("stl_initialize_facet_check_exact");
stl->tail->next = stl->tail;
for(i = 0; i < stl->M; i++) {
stl->heads[i] = stl->tail;
}
}
static void
insert_hash_edge(stl_file *stl, stl_hash_edge edge,
void (*match_neighbors)(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b)) {
stl_hash_edge *link;
stl_hash_edge *new_edge;
stl_hash_edge *temp;
int chain_number;
if (stl->error) return;
chain_number = stl_get_hash_for_edge(stl->M, &edge);
link = stl->heads[chain_number];
if(link == stl->tail) {
/* This list doesn't have any edges currently in it. Add this one. */
new_edge = (stl_hash_edge*)malloc(sizeof(stl_hash_edge));
if(new_edge == NULL) perror("insert_hash_edge");
stl->stats.malloced++;
*new_edge = edge;
new_edge->next = stl->tail;
stl->heads[chain_number] = new_edge;
return;
} else if(!stl_compare_function(&edge, link)) {
/* This is a match. Record result in neighbors list. */
match_neighbors(stl, &edge, link);
/* Delete the matched edge from the list. */
stl->heads[chain_number] = link->next;
free(link);
stl->stats.freed++;
return;
} else {
/* Continue through the rest of the list */
for(;;) {
if(link->next == stl->tail) {
/* This is the last item in the list. Insert a new edge. */
new_edge = (stl_hash_edge*)malloc(sizeof(stl_hash_edge));
if(new_edge == NULL) perror("insert_hash_edge");
stl->stats.malloced++;
*new_edge = edge;
new_edge->next = stl->tail;
link->next = new_edge;
stl->stats.collisions++;
return;
} else if(!stl_compare_function(&edge, link->next)) {
/* This is a match. Record result in neighbors list. */
match_neighbors(stl, &edge, link->next);
/* Delete the matched edge from the list. */
temp = link->next;
link->next = link->next->next;
free(temp);
stl->stats.freed++;
return;
} else {
/* This is not a match. Go to the next link */
link = link->next;
stl->stats.collisions++;
}
}
}
}
static int
stl_get_hash_for_edge(int M, stl_hash_edge *edge) {
return ((edge->key[0] / 23 + edge->key[1] / 19 + edge->key[2] / 17
+ edge->key[3] /13 + edge->key[4] / 11 + edge->key[5] / 7 ) % M);
}
static int
stl_compare_function(stl_hash_edge *edge_a, stl_hash_edge *edge_b) {
if(edge_a->facet_number == edge_b->facet_number) {
return 1; /* Don't match edges of the same facet */
} else {
return memcmp(edge_a, edge_b, SIZEOF_EDGE_SORT);
}
}
void
stl_check_facets_nearby(stl_file *stl, float tolerance) {
stl_hash_edge edge[3];
stl_facet facet;
int i;
int j;
if (stl->error) return;
if( (stl->stats.connected_facets_1_edge == stl->stats.number_of_facets)
&& (stl->stats.connected_facets_2_edge == stl->stats.number_of_facets)
&& (stl->stats.connected_facets_3_edge == stl->stats.number_of_facets)) {
/* No need to check any further. All facets are connected */
return;
}
stl_initialize_facet_check_nearby(stl);
for(i = 0; i < stl->stats.number_of_facets; i++) {
facet = stl->facet_start[i];
for(j = 0; j < 3; j++) {
if(stl->neighbors_start[i].neighbor[j] == -1) {
edge[j].facet_number = i;
edge[j].which_edge = j;
if(stl_load_edge_nearby(stl, &edge[j], &facet.vertex[j],
&facet.vertex[(j + 1) % 3],
tolerance)) {
/* only insert edges that have different keys */
insert_hash_edge(stl, edge[j], stl_match_neighbors_nearby);
}
}
}
}
stl_free_edges(stl);
}
static int
stl_load_edge_nearby(stl_file *stl, stl_hash_edge *edge,
stl_vertex *a, stl_vertex *b, float tolerance) {
float diff_x;
float diff_y;
float diff_z;
float max_diff;
unsigned vertex1[3];
unsigned vertex2[3];
diff_x = ABS(a->x - b->x);
diff_y = ABS(a->y - b->y);
diff_z = ABS(a->z - b->z);
max_diff = STL_MAX(diff_x, diff_y);
max_diff = STL_MAX(diff_z, max_diff);
vertex1[0] = (unsigned)((a->x - stl->stats.min.x) / tolerance);
vertex1[1] = (unsigned)((a->y - stl->stats.min.y) / tolerance);
vertex1[2] = (unsigned)((a->z - stl->stats.min.z) / tolerance);
vertex2[0] = (unsigned)((b->x - stl->stats.min.x) / tolerance);
vertex2[1] = (unsigned)((b->y - stl->stats.min.y) / tolerance);
vertex2[2] = (unsigned)((b->z - stl->stats.min.z) / tolerance);
if( (vertex1[0] == vertex2[0])
&& (vertex1[1] == vertex2[1])
&& (vertex1[2] == vertex2[2])) {
/* Both vertices hash to the same value */
return 0;
}
if(diff_x == max_diff) {
if(a->x > b->x) {
memcpy(&edge->key[0], vertex1, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex2, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], vertex2, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex1, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
} else if(diff_y == max_diff) {
if(a->y > b->y) {
memcpy(&edge->key[0], vertex1, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex2, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], vertex2, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex1, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
} else {
if(a->z > b->z) {
memcpy(&edge->key[0], vertex1, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex2, sizeof(stl_vertex));
} else {
memcpy(&edge->key[0], vertex2, sizeof(stl_vertex));
memcpy(&edge->key[3], vertex1, sizeof(stl_vertex));
edge->which_edge += 3; /* this edge is loaded backwards */
}
}
return 1;
}
static void
stl_free_edges(stl_file *stl) {
int i;
stl_hash_edge *temp;
if (stl->error) return;
if(stl->stats.malloced != stl->stats.freed) {
for(i = 0; i < stl->M; i++) {
for(temp = stl->heads[i]; stl->heads[i] != stl->tail;
temp = stl->heads[i]) {
stl->heads[i] = stl->heads[i]->next;
free(temp);
stl->stats.freed++;
}
}
}
free(stl->heads);
free(stl->tail);
}
static void
stl_initialize_facet_check_nearby(stl_file *stl) {
int i;
if (stl->error) return;
stl->stats.malloced = 0;
stl->stats.freed = 0;
stl->stats.collisions = 0;
/* tolerance = STL_MAX(stl->stats.shortest_edge, tolerance);*/
/* tolerance = STL_MAX((stl->stats.bounding_diameter / 500000.0), tolerance);*/
/* tolerance *= 0.5;*/
stl->M = 81397;
stl->heads = (stl_hash_edge**)calloc(stl->M, sizeof(*stl->heads));
if(stl->heads == NULL) perror("stl_initialize_facet_check_nearby");
stl->tail = (stl_hash_edge*)malloc(sizeof(stl_hash_edge));
if(stl->tail == NULL) perror("stl_initialize_facet_check_nearby");
stl->tail->next = stl->tail;
for(i = 0; i < stl->M; i++) {
stl->heads[i] = stl->tail;
}
}
static void
stl_record_neighbors(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b) {
int i;
int j;
if (stl->error) return;
/* Facet a's neighbor is facet b */
stl->neighbors_start[edge_a->facet_number].neighbor[edge_a->which_edge % 3] =
edge_b->facet_number; /* sets the .neighbor part */
stl->neighbors_start[edge_a->facet_number].
which_vertex_not[edge_a->which_edge % 3] =
(edge_b->which_edge + 2) % 3; /* sets the .which_vertex_not part */
/* Facet b's neighbor is facet a */
stl->neighbors_start[edge_b->facet_number].neighbor[edge_b->which_edge % 3] =
edge_a->facet_number; /* sets the .neighbor part */
stl->neighbors_start[edge_b->facet_number].
which_vertex_not[edge_b->which_edge % 3] =
(edge_a->which_edge + 2) % 3; /* sets the .which_vertex_not part */
if( ((edge_a->which_edge < 3) && (edge_b->which_edge < 3))
|| ((edge_a->which_edge > 2) && (edge_b->which_edge > 2))) {
/* these facets are oriented in opposite directions. */
/* their normals are probably messed up. */
stl->neighbors_start[edge_a->facet_number].
which_vertex_not[edge_a->which_edge % 3] += 3;
stl->neighbors_start[edge_b->facet_number].
which_vertex_not[edge_b->which_edge % 3] += 3;
}
/* Count successful connects */
/* Total connects */
stl->stats.connected_edges += 2;
/* Count individual connects */
i = ((stl->neighbors_start[edge_a->facet_number].neighbor[0] == -1) +
(stl->neighbors_start[edge_a->facet_number].neighbor[1] == -1) +
(stl->neighbors_start[edge_a->facet_number].neighbor[2] == -1));
j = ((stl->neighbors_start[edge_b->facet_number].neighbor[0] == -1) +
(stl->neighbors_start[edge_b->facet_number].neighbor[1] == -1) +
(stl->neighbors_start[edge_b->facet_number].neighbor[2] == -1));
if(i == 2) {
stl->stats.connected_facets_1_edge +=1;
} else if(i == 1) {
stl->stats.connected_facets_2_edge +=1;
} else {
stl->stats.connected_facets_3_edge +=1;
}
if(j == 2) {
stl->stats.connected_facets_1_edge +=1;
} else if(j == 1) {
stl->stats.connected_facets_2_edge +=1;
} else {
stl->stats.connected_facets_3_edge +=1;
}
}
static void
stl_match_neighbors_exact(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b) {
if (stl->error) return;
stl_record_neighbors(stl, edge_a, edge_b);
}
static void
stl_match_neighbors_nearby(stl_file *stl,
stl_hash_edge *edge_a, stl_hash_edge *edge_b) {
int facet1;
int facet2;
int vertex1;
int vertex2;
int vnot1;
int vnot2;
stl_vertex new_vertex1;
stl_vertex new_vertex2;
if (stl->error) return;
stl_record_neighbors(stl, edge_a, edge_b);
stl_which_vertices_to_change(stl, edge_a, edge_b, &facet1, &vertex1,
&facet2, &vertex2, &new_vertex1, &new_vertex2);
if(facet1 != -1) {
if(facet1 == edge_a->facet_number) {
vnot1 = (edge_a->which_edge + 2) % 3;
} else {
vnot1 = (edge_b->which_edge + 2) % 3;
}
if(((vnot1 + 2) % 3) == vertex1) {
vnot1 += 3;
}
stl_change_vertices(stl, facet1, vnot1, new_vertex1);
}
if(facet2 != -1) {
if(facet2 == edge_a->facet_number) {
vnot2 = (edge_a->which_edge + 2) % 3;
} else {
vnot2 = (edge_b->which_edge + 2) % 3;
}
if(((vnot2 + 2) % 3) == vertex2) {
vnot2 += 3;
}
stl_change_vertices(stl, facet2, vnot2, new_vertex2);
}
stl->stats.edges_fixed += 2;
}
static void
stl_change_vertices(stl_file *stl, int facet_num, int vnot,
stl_vertex new_vertex) {
int first_facet;
int direction;
int next_edge;
int pivot_vertex;
if (stl->error) return;
first_facet = facet_num;
direction = 0;
for(;;) {
if(vnot > 2) {
if(direction == 0) {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
direction = 1;
} else {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot % 3;
direction = 0;
}
} else {
if(direction == 0) {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot;
} else {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
}
}
stl->facet_start[facet_num].vertex[pivot_vertex] = new_vertex;
vnot = stl->neighbors_start[facet_num].which_vertex_not[next_edge];
facet_num = stl->neighbors_start[facet_num].neighbor[next_edge];
if(facet_num == -1) {
break;
}
if(facet_num == first_facet) {
/* back to the beginning */
printf("\
Back to the first facet changing vertices: probably a mobius part.\n\
Try using a smaller tolerance or don't do a nearby check\n");
return;
}
}
}
static void
stl_which_vertices_to_change(stl_file *stl, stl_hash_edge *edge_a,
stl_hash_edge *edge_b, int *facet1, int *vertex1,
int *facet2, int *vertex2,
stl_vertex *new_vertex1, stl_vertex *new_vertex2) {
int v1a; /* pair 1, facet a */
int v1b; /* pair 1, facet b */
int v2a; /* pair 2, facet a */
int v2b; /* pair 2, facet b */
/* Find first pair */
if(edge_a->which_edge < 3) {
v1a = edge_a->which_edge;
v2a = (edge_a->which_edge + 1) % 3;
} else {
v2a = edge_a->which_edge % 3;
v1a = (edge_a->which_edge + 1) % 3;
}
if(edge_b->which_edge < 3) {
v1b = edge_b->which_edge;
v2b = (edge_b->which_edge + 1) % 3;
} else {
v2b = edge_b->which_edge % 3;
v1b = (edge_b->which_edge + 1) % 3;
}
/* Of the first pair, which vertex, if any, should be changed */
if(!memcmp(&stl->facet_start[edge_a->facet_number].vertex[v1a],
&stl->facet_start[edge_b->facet_number].vertex[v1b],
sizeof(stl_vertex))) {
/* These facets are already equal. No need to change. */
*facet1 = -1;
} else {
if( (stl->neighbors_start[edge_a->facet_number].neighbor[v1a] == -1)
&& (stl->neighbors_start[edge_a->facet_number].
neighbor[(v1a + 2) % 3] == -1)) {
/* This vertex has no neighbors. This is a good one to change */
*facet1 = edge_a->facet_number;
*vertex1 = v1a;
*new_vertex1 = stl->facet_start[edge_b->facet_number].vertex[v1b];
} else {
*facet1 = edge_b->facet_number;
*vertex1 = v1b;
*new_vertex1 = stl->facet_start[edge_a->facet_number].vertex[v1a];
}
}
/* Of the second pair, which vertex, if any, should be changed */
if(!memcmp(&stl->facet_start[edge_a->facet_number].vertex[v2a],
&stl->facet_start[edge_b->facet_number].vertex[v2b],
sizeof(stl_vertex))) {
/* These facets are already equal. No need to change. */
*facet2 = -1;
} else {
if( (stl->neighbors_start[edge_a->facet_number].neighbor[v2a] == -1)
&& (stl->neighbors_start[edge_a->facet_number].
neighbor[(v2a + 2) % 3] == -1)) {
/* This vertex has no neighbors. This is a good one to change */
*facet2 = edge_a->facet_number;
*vertex2 = v2a;
*new_vertex2 = stl->facet_start[edge_b->facet_number].vertex[v2b];
} else {
*facet2 = edge_b->facet_number;
*vertex2 = v2b;
*new_vertex2 = stl->facet_start[edge_a->facet_number].vertex[v2a];
}
}
}
static void
stl_remove_facet(stl_file *stl, int facet_number) {
int neighbor[3];
int vnot[3];
int i;
int j;
if (stl->error) return;
stl->stats.facets_removed += 1;
/* Update list of connected edges */
j = ((stl->neighbors_start[facet_number].neighbor[0] == -1) +
(stl->neighbors_start[facet_number].neighbor[1] == -1) +
(stl->neighbors_start[facet_number].neighbor[2] == -1));
if(j == 2) {
stl->stats.connected_facets_1_edge -= 1;
} else if(j == 1) {
stl->stats.connected_facets_2_edge -= 1;
stl->stats.connected_facets_1_edge -= 1;
} else if(j == 0) {
stl->stats.connected_facets_3_edge -= 1;
stl->stats.connected_facets_2_edge -= 1;
stl->stats.connected_facets_1_edge -= 1;
}
stl->facet_start[facet_number] =
stl->facet_start[stl->stats.number_of_facets - 1];
/* I could reallocate at this point, but it is not really necessary. */
stl->neighbors_start[facet_number] =
stl->neighbors_start[stl->stats.number_of_facets - 1];
stl->stats.number_of_facets -= 1;
for(i = 0; i < 3; i++) {
neighbor[i] = stl->neighbors_start[facet_number].neighbor[i];
vnot[i] = stl->neighbors_start[facet_number].which_vertex_not[i];
}
for(i = 0; i < 3; i++) {
if(neighbor[i] != -1) {
if(stl->neighbors_start[neighbor[i]].neighbor[(vnot[i] + 1)% 3] !=
stl->stats.number_of_facets) {
printf("\
in stl_remove_facet: neighbor = %d numfacets = %d this is wrong\n",
stl->neighbors_start[neighbor[i]].neighbor[(vnot[i] + 1)% 3],
stl->stats.number_of_facets);
return;
}
stl->neighbors_start[neighbor[i]].neighbor[(vnot[i] + 1)% 3]
= facet_number;
}
}
}
void
stl_remove_unconnected_facets(stl_file *stl) {
/* A couple of things need to be done here. One is to remove any */
/* completely unconnected facets (0 edges connected) since these are */
/* useless and could be completely wrong. The second thing that needs to */
/* be done is to remove any degenerate facets that were created during */
/* stl_check_facets_nearby(). */
int i;
if (stl->error) return;
/* remove degenerate facets */
for(i = 0; i < stl->stats.number_of_facets; i++) {
if( !memcmp(&stl->facet_start[i].vertex[0],
&stl->facet_start[i].vertex[1], sizeof(stl_vertex))
|| !memcmp(&stl->facet_start[i].vertex[1],
&stl->facet_start[i].vertex[2], sizeof(stl_vertex))
|| !memcmp(&stl->facet_start[i].vertex[0],
&stl->facet_start[i].vertex[2], sizeof(stl_vertex))) {
stl_remove_degenerate(stl, i);
i--;
}
}
if(stl->stats.connected_facets_1_edge < stl->stats.number_of_facets) {
/* remove completely unconnected facets */
for(i = 0; i < stl->stats.number_of_facets; i++) {
if( (stl->neighbors_start[i].neighbor[0] == -1)
&& (stl->neighbors_start[i].neighbor[1] == -1)
&& (stl->neighbors_start[i].neighbor[2] == -1)) {
/* This facet is completely unconnected. Remove it. */
stl_remove_facet(stl, i);
i--;
}
}
}
}
static void
stl_remove_degenerate(stl_file *stl, int facet) {
int edge1;
int edge2;
int edge3;
int neighbor1;
int neighbor2;
int neighbor3;
int vnot1;
int vnot2;
int vnot3;
if (stl->error) return;
if( !memcmp(&stl->facet_start[facet].vertex[0],
&stl->facet_start[facet].vertex[1], sizeof(stl_vertex))
&& !memcmp(&stl->facet_start[facet].vertex[1],
&stl->facet_start[facet].vertex[2], sizeof(stl_vertex))) {
/* all 3 vertices are equal. Just remove the facet. I don't think*/
/* this is really possible, but just in case... */
printf("removing a facet in stl_remove_degenerate\n");
stl_remove_facet(stl, facet);
return;
}
if(!memcmp(&stl->facet_start[facet].vertex[0],
&stl->facet_start[facet].vertex[1], sizeof(stl_vertex))) {
edge1 = 1;
edge2 = 2;
edge3 = 0;
} else if(!memcmp(&stl->facet_start[facet].vertex[1],
&stl->facet_start[facet].vertex[2], sizeof(stl_vertex))) {
edge1 = 0;
edge2 = 2;
edge3 = 1;
} else if(!memcmp(&stl->facet_start[facet].vertex[2],
&stl->facet_start[facet].vertex[0], sizeof(stl_vertex))) {
edge1 = 0;
edge2 = 1;
edge3 = 2;
} else {
/* No degenerate. Function shouldn't have been called. */
return;
}
neighbor1 = stl->neighbors_start[facet].neighbor[edge1];
neighbor2 = stl->neighbors_start[facet].neighbor[edge2];
if(neighbor1 == -1) {
stl_update_connects_remove_1(stl, neighbor2);
}
if(neighbor2 == -1) {
stl_update_connects_remove_1(stl, neighbor1);
}
neighbor3 = stl->neighbors_start[facet].neighbor[edge3];
vnot1 = stl->neighbors_start[facet].which_vertex_not[edge1];
vnot2 = stl->neighbors_start[facet].which_vertex_not[edge2];
vnot3 = stl->neighbors_start[facet].which_vertex_not[edge3];
if(neighbor1 != -1){
stl->neighbors_start[neighbor1].neighbor[(vnot1 + 1) % 3] = neighbor2;
stl->neighbors_start[neighbor1].which_vertex_not[(vnot1 + 1) % 3] = vnot2;
}
if(neighbor2 != -1){
stl->neighbors_start[neighbor2].neighbor[(vnot2 + 1) % 3] = neighbor1;
stl->neighbors_start[neighbor2].which_vertex_not[(vnot2 + 1) % 3] = vnot1;
}
stl_remove_facet(stl, facet);
if(neighbor3 != -1) {
stl_update_connects_remove_1(stl, neighbor3);
stl->neighbors_start[neighbor3].neighbor[(vnot3 + 1) % 3] = -1;
}
}
void
stl_update_connects_remove_1(stl_file *stl, int facet_num) {
int j;
if (stl->error) return;
/* Update list of connected edges */
j = ((stl->neighbors_start[facet_num].neighbor[0] == -1) +
(stl->neighbors_start[facet_num].neighbor[1] == -1) +
(stl->neighbors_start[facet_num].neighbor[2] == -1));
if(j == 0) { /* Facet has 3 neighbors */
stl->stats.connected_facets_3_edge -= 1;
} else if(j == 1) { /* Facet has 2 neighbors */
stl->stats.connected_facets_2_edge -= 1;
} else if(j == 2) { /* Facet has 1 neighbor */
stl->stats.connected_facets_1_edge -= 1;
}
}
void
stl_fill_holes(stl_file *stl) {
stl_facet facet;
stl_facet new_facet;
int neighbors_initial[3];
stl_hash_edge edge;
int first_facet;
int direction;
int facet_num;
int vnot;
int next_edge;
int pivot_vertex;
int next_facet;
int i;
int j;
int k;
if (stl->error) return;
/* Insert all unconnected edges into hash list */
stl_initialize_facet_check_nearby(stl);
for(i = 0; i < stl->stats.number_of_facets; i++) {
facet = stl->facet_start[i];
for(j = 0; j < 3; j++) {
if(stl->neighbors_start[i].neighbor[j] != -1) continue;
edge.facet_number = i;
edge.which_edge = j;
stl_load_edge_exact(stl, &edge, &facet.vertex[j],
&facet.vertex[(j + 1) % 3]);
insert_hash_edge(stl, edge, stl_match_neighbors_exact);
}
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
facet = stl->facet_start[i];
neighbors_initial[0] = stl->neighbors_start[i].neighbor[0];
neighbors_initial[1] = stl->neighbors_start[i].neighbor[1];
neighbors_initial[2] = stl->neighbors_start[i].neighbor[2];
first_facet = i;
for(j = 0; j < 3; j++) {
if(stl->neighbors_start[i].neighbor[j] != -1) continue;
new_facet.vertex[0] = facet.vertex[j];
new_facet.vertex[1] = facet.vertex[(j + 1) % 3];
if(neighbors_initial[(j + 2) % 3] == -1) {
direction = 1;
} else {
direction = 0;
}
facet_num = i;
vnot = (j + 2) % 3;
for(;;) {
if(vnot > 2) {
if(direction == 0) {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
direction = 1;
} else {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot % 3;
direction = 0;
}
} else {
if(direction == 0) {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot;
} else {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
}
}
next_facet = stl->neighbors_start[facet_num].neighbor[next_edge];
if(next_facet == -1) {
new_facet.vertex[2] = stl->facet_start[facet_num].
vertex[vnot % 3];
stl_add_facet(stl, &new_facet);
for(k = 0; k < 3; k++) {
edge.facet_number = stl->stats.number_of_facets - 1;
edge.which_edge = k;
stl_load_edge_exact(stl, &edge, &new_facet.vertex[k],
&new_facet.vertex[(k + 1) % 3]);
insert_hash_edge(stl, edge, stl_match_neighbors_exact);
}
break;
} else {
vnot = stl->neighbors_start[facet_num].
which_vertex_not[next_edge];
facet_num = next_facet;
}
if(facet_num == first_facet) {
/* back to the beginning */
printf("\
Back to the first facet filling holes: probably a mobius part.\n\
Try using a smaller tolerance or don't do a nearby check\n");
return;
}
}
}
}
}
void
stl_add_facet(stl_file *stl, stl_facet *new_facet) {
if (stl->error) return;
stl->stats.facets_added += 1;
if(stl->stats.facets_malloced < stl->stats.number_of_facets + 1) {
stl->facet_start = (stl_facet*)realloc(stl->facet_start,
(sizeof(stl_facet) * (stl->stats.facets_malloced + 256)));
if(stl->facet_start == NULL) perror("stl_add_facet");
stl->neighbors_start = (stl_neighbors*)realloc(stl->neighbors_start,
(sizeof(stl_neighbors) * (stl->stats.facets_malloced + 256)));
if(stl->neighbors_start == NULL) perror("stl_add_facet");
stl->stats.facets_malloced += 256;
}
stl->facet_start[stl->stats.number_of_facets] = *new_facet;
/* note that the normal vector is not set here, just initialized to 0 */
stl->facet_start[stl->stats.number_of_facets].normal.x = 0.0;
stl->facet_start[stl->stats.number_of_facets].normal.y = 0.0;
stl->facet_start[stl->stats.number_of_facets].normal.z = 0.0;
stl->neighbors_start[stl->stats.number_of_facets].neighbor[0] = -1;
stl->neighbors_start[stl->stats.number_of_facets].neighbor[1] = -1;
stl->neighbors_start[stl->stats.number_of_facets].neighbor[2] = -1;
stl->stats.number_of_facets += 1;
}

12
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/connect.lo Normal file
View File

@ -0,0 +1,12 @@
# src/connect.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/connect.o'
# Name of the non-PIC object
non_pic_object=none

333
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/normals.c Normal file
View File

@ -0,0 +1,333 @@
/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "stl.h"
static void stl_reverse_facet(stl_file *stl, int facet_num);
static void stl_reverse_vector(float v[]);
int stl_check_normal_vector(stl_file *stl, int facet_num, int normal_fix_flag);
static void
stl_reverse_facet(stl_file *stl, int facet_num) {
stl_vertex tmp_vertex;
/* int tmp_neighbor;*/
int neighbor[3];
int vnot[3];
stl->stats.facets_reversed += 1;
neighbor[0] = stl->neighbors_start[facet_num].neighbor[0];
neighbor[1] = stl->neighbors_start[facet_num].neighbor[1];
neighbor[2] = stl->neighbors_start[facet_num].neighbor[2];
vnot[0] = stl->neighbors_start[facet_num].which_vertex_not[0];
vnot[1] = stl->neighbors_start[facet_num].which_vertex_not[1];
vnot[2] = stl->neighbors_start[facet_num].which_vertex_not[2];
/* reverse the facet */
tmp_vertex = stl->facet_start[facet_num].vertex[0];
stl->facet_start[facet_num].vertex[0] =
stl->facet_start[facet_num].vertex[1];
stl->facet_start[facet_num].vertex[1] = tmp_vertex;
/* fix the vnots of the neighboring facets */
if(neighbor[0] != -1)
stl->neighbors_start[neighbor[0]].which_vertex_not[(vnot[0] + 1) % 3] =
(stl->neighbors_start[neighbor[0]].
which_vertex_not[(vnot[0] + 1) % 3] + 3) % 6;
if(neighbor[1] != -1)
stl->neighbors_start[neighbor[1]].which_vertex_not[(vnot[1] + 1) % 3] =
(stl->neighbors_start[neighbor[1]].
which_vertex_not[(vnot[1] + 1) % 3] + 4) % 6;
if(neighbor[2] != -1)
stl->neighbors_start[neighbor[2]].which_vertex_not[(vnot[2] + 1) % 3] =
(stl->neighbors_start[neighbor[2]].
which_vertex_not[(vnot[2] + 1) % 3] + 2) % 6;
/* swap the neighbors of the facet that is being reversed */
stl->neighbors_start[facet_num].neighbor[1] = neighbor[2];
stl->neighbors_start[facet_num].neighbor[2] = neighbor[1];
/* swap the vnots of the facet that is being reversed */
stl->neighbors_start[facet_num].which_vertex_not[1] = vnot[2];
stl->neighbors_start[facet_num].which_vertex_not[2] = vnot[1];
/* reverse the values of the vnots of the facet that is being reversed */
stl->neighbors_start[facet_num].which_vertex_not[0] =
(stl->neighbors_start[facet_num].which_vertex_not[0] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[1] =
(stl->neighbors_start[facet_num].which_vertex_not[1] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[2] =
(stl->neighbors_start[facet_num].which_vertex_not[2] + 3) % 6;
}
void
stl_fix_normal_directions(stl_file *stl) {
char *norm_sw;
/* int edge_num;*/
/* int vnot;*/
int checked = 0;
int facet_num;
/* int next_facet;*/
int i;
int j;
struct stl_normal {
int facet_num;
struct stl_normal *next;
};
struct stl_normal *head;
struct stl_normal *tail;
struct stl_normal *newn;
struct stl_normal *temp;
if (stl->error) return;
/* Initialize linked list. */
head = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(head == NULL) perror("stl_fix_normal_directions");
tail = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(tail == NULL) perror("stl_fix_normal_directions");
head->next = tail;
tail->next = tail;
/* Initialize list that keeps track of already fixed facets. */
norm_sw = (char*)calloc(stl->stats.number_of_facets, sizeof(char));
if(norm_sw == NULL) perror("stl_fix_normal_directions");
facet_num = 0;
/* If normal vector is not within tolerance and backwards:
Arbitrarily starts at face 0. If this one is wrong, we're screwed. Thankfully, the chances
of it being wrong randomly are low if most of the triangles are right: */
if(stl_check_normal_vector(stl, 0, 0) == 2)
stl_reverse_facet(stl, 0);
/* Say that we've fixed this facet: */
norm_sw[facet_num] = 1;
checked++;
for(;;) {
/* Add neighbors_to_list.
Add unconnected neighbors to the list:a */
for(j = 0; j < 3; j++) {
/* Reverse the neighboring facets if necessary. */
if(stl->neighbors_start[facet_num].which_vertex_not[j] > 2) {
/* If the facet has a neighbor that is -1, it means that edge isn't shared by another facet */
if(stl->neighbors_start[facet_num].neighbor[j] != -1) {
stl_reverse_facet
(stl, stl->neighbors_start[facet_num].neighbor[j]);
}
}
/* If this edge of the facet is connected: */
if(stl->neighbors_start[facet_num].neighbor[j] != -1) {
/* If we haven't fixed this facet yet, add it to the list: */
if(norm_sw[stl->neighbors_start[facet_num].neighbor[j]] != 1) {
/* Add node to beginning of list. */
newn = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(newn == NULL) perror("stl_fix_normal_directions");
newn->facet_num = stl->neighbors_start[facet_num].neighbor[j];
newn->next = head->next;
head->next = newn;
}
}
}
/* Get next facet to fix from top of list. */
if(head->next != tail) {
facet_num = head->next->facet_num;
if(norm_sw[facet_num] != 1) { /* If facet is in list mutiple times */
norm_sw[facet_num] = 1; /* Record this one as being fixed. */
checked++;
}
temp = head->next; /* Delete this facet from the list. */
head->next = head->next->next;
free(temp);
} else { /* if we ran out of facets to fix: */
/* All of the facets in this part have been fixed. */
stl->stats.number_of_parts += 1;
if(checked >= stl->stats.number_of_facets) {
/* All of the facets have been checked. Bail out. */
break;
} else {
/* There is another part here. Find it and continue. */
for(i = 0; i < stl->stats.number_of_facets; i++) {
if(norm_sw[i] == 0) {
/* This is the first facet of the next part. */
facet_num = i;
if(stl_check_normal_vector(stl, i, 0) == 2) {
stl_reverse_facet(stl, i);
}
norm_sw[facet_num] = 1;
checked++;
break;
}
}
}
}
}
free(head);
free(tail);
free(norm_sw);
}
int
stl_check_normal_vector(stl_file *stl, int facet_num, int normal_fix_flag) {
/* Returns 0 if the normal is within tolerance */
/* Returns 1 if the normal is not within tolerance, but direction is OK */
/* Returns 2 if the normal is not within tolerance and backwards */
/* Returns 4 if the status is unknown. */
float normal[3];
float test_norm[3];
stl_facet *facet;
facet = &stl->facet_start[facet_num];
stl_calculate_normal(normal, facet);
stl_normalize_vector(normal);
if( (ABS(normal[0] - facet->normal.x) < 0.001)
&& (ABS(normal[1] - facet->normal.y) < 0.001)
&& (ABS(normal[2] - facet->normal.z) < 0.001)) {
/* It is not really necessary to change the values here */
/* but just for consistency, I will. */
facet->normal.x = normal[0];
facet->normal.y = normal[1];
facet->normal.z = normal[2];
return 0;
}
test_norm[0] = facet->normal.x;
test_norm[1] = facet->normal.y;
test_norm[2] = facet->normal.z;
stl_normalize_vector(test_norm);
if( (ABS(normal[0] - test_norm[0]) < 0.001)
&& (ABS(normal[1] - test_norm[1]) < 0.001)
&& (ABS(normal[2] - test_norm[2]) < 0.001)) {
if(normal_fix_flag) {
facet->normal.x = normal[0];
facet->normal.y = normal[1];
facet->normal.z = normal[2];
stl->stats.normals_fixed += 1;
}
return 1;
}
stl_reverse_vector(test_norm);
if( (ABS(normal[0] - test_norm[0]) < 0.001)
&& (ABS(normal[1] - test_norm[1]) < 0.001)
&& (ABS(normal[2] - test_norm[2]) < 0.001)) {
/* Facet is backwards. */
if(normal_fix_flag) {
facet->normal.x = normal[0];
facet->normal.y = normal[1];
facet->normal.z = normal[2];
stl->stats.normals_fixed += 1;
}
return 2;
}
if(normal_fix_flag) {
facet->normal.x = normal[0];
facet->normal.y = normal[1];
facet->normal.z = normal[2];
stl->stats.normals_fixed += 1;
}
return 4;
}
static void
stl_reverse_vector(float v[]) {
v[0] *= -1;
v[1] *= -1;
v[2] *= -1;
}
void
stl_calculate_normal(float normal[], stl_facet *facet) {
float v1[3];
float v2[3];
v1[0] = facet->vertex[1].x - facet->vertex[0].x;
v1[1] = facet->vertex[1].y - facet->vertex[0].y;
v1[2] = facet->vertex[1].z - facet->vertex[0].z;
v2[0] = facet->vertex[2].x - facet->vertex[0].x;
v2[1] = facet->vertex[2].y - facet->vertex[0].y;
v2[2] = facet->vertex[2].z - facet->vertex[0].z;
normal[0] = (float)((double)v1[1] * (double)v2[2]) - ((double)v1[2] * (double)v2[1]);
normal[1] = (float)((double)v1[2] * (double)v2[0]) - ((double)v1[0] * (double)v2[2]);
normal[2] = (float)((double)v1[0] * (double)v2[1]) - ((double)v1[1] * (double)v2[0]);
}
void stl_normalize_vector(float v[]) {
double length;
double factor;
float min_normal_length;
length = sqrt((double)v[0] * (double)v[0] + (double)v[1] * (double)v[1] + (double)v[2] * (double)v[2]);
min_normal_length = 0.000000000001;
if(length < min_normal_length) {
v[0] = 0.0;
v[1] = 0.0;
v[2] = 0.0;
return;
}
factor = 1.0 / length;
v[0] *= factor;
v[1] *= factor;
v[2] *= factor;
}
void
stl_fix_normal_values(stl_file *stl) {
int i;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl_check_normal_vector(stl, i, 1);
}
}
void
stl_reverse_all_facets(stl_file *stl) {
int i;
float normal[3];
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl_reverse_facet(stl, i);
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal.x = normal[0];
stl->facet_start[i].normal.y = normal[1];
stl->facet_start[i].normal.z = normal[2];
}
}

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# src/normals.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/normals.o'
# Name of the non-PIC object
non_pic_object=none

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/* portable_endian.h
* from https://gist.github.com/panzi/6856583
* "License": Public Domain
* I, Mathias Panzenböck, place this file hereby into the public domain. Use it
* at your own risk for whatever you like. In case there are jurisdictions
* that don't support putting things in the public domain you can also consider
* it to be "dual licensed" under the BSD, MIT and Apache licenses, if you want
* to. This code is trivial anyway. Consider it an example on how to get the
* endian conversion functions on different platforms.
*/
#ifndef PORTABLE_ENDIAN_H__
#define PORTABLE_ENDIAN_H__
#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
# define __WINDOWS__
#endif
#if defined(__linux__) || defined(__CYGWIN__)
# include <endian.h>
#elif defined(__APPLE__)
# include <libkern/OSByteOrder.h>
# define htobe16(x) OSSwapHostToBigInt16(x)
# define htole16(x) OSSwapHostToLittleInt16(x)
# define be16toh(x) OSSwapBigToHostInt16(x)
# define le16toh(x) OSSwapLittleToHostInt16(x)
# define htobe32(x) OSSwapHostToBigInt32(x)
# define htole32(x) OSSwapHostToLittleInt32(x)
# define be32toh(x) OSSwapBigToHostInt32(x)
# define le32toh(x) OSSwapLittleToHostInt32(x)
# define htobe64(x) OSSwapHostToBigInt64(x)
# define htole64(x) OSSwapHostToLittleInt64(x)
# define be64toh(x) OSSwapBigToHostInt64(x)
# define le64toh(x) OSSwapLittleToHostInt64(x)
# define __BYTE_ORDER BYTE_ORDER
# define __BIG_ENDIAN BIG_ENDIAN
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#elif defined(__OpenBSD__)
# include <sys/endian.h>
#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
# include <sys/endian.h>
# define be16toh(x) betoh16(x)
# define le16toh(x) letoh16(x)
# define be32toh(x) betoh32(x)
# define le32toh(x) letoh32(x)
# define be64toh(x) betoh64(x)
# define le64toh(x) letoh64(x)
#elif defined(__WINDOWS__)
/* # include <winsock2.h> */
# include <sys/param.h>
# if BYTE_ORDER == LITTLE_ENDIAN
# define htobe16(x) htons(x)
# define htole16(x) (x)
# define be16toh(x) ntohs(x)
# define le16toh(x) (x)
# define htobe32(x) htonl(x)
# define htole32(x) (x)
# define be32toh(x) ntohl(x)
# define le32toh(x) (x)
# define htobe64(x) htonll(x)
# define htole64(x) (x)
# define be64toh(x) ntohll(x)
# define le64toh(x) (x)
# elif BYTE_ORDER == BIG_ENDIAN
/* that would be xbox 360 */
# define htobe16(x) (x)
# define htole16(x) __builtin_bswap16(x)
# define be16toh(x) (x)
# define le16toh(x) __builtin_bswap16(x)
# define htobe32(x) (x)
# define htole32(x) __builtin_bswap32(x)
# define be32toh(x) (x)
# define le32toh(x) __builtin_bswap32(x)
# define htobe64(x) (x)
# define htole64(x) __builtin_bswap64(x)
# define be64toh(x) (x)
# define le64toh(x) __builtin_bswap64(x)
# else
# error byte order not supported
# endif
# define __BYTE_ORDER BYTE_ORDER
# define __BIG_ENDIAN BIG_ENDIAN
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#else
# error platform not supported
#endif
#endif

262
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdlib.h>
#include <string.h>
#include "stl.h"
void
stl_invalidate_shared_vertices(stl_file *stl) {
if (stl->error) return;
if (stl->v_indices != NULL) {
free(stl->v_indices);
stl->v_indices = NULL;
}
if (stl->v_shared != NULL) {
free(stl->v_shared);
stl->v_shared = NULL;
}
}
void
stl_generate_shared_vertices(stl_file *stl) {
int i;
int j;
int first_facet;
int direction;
int facet_num;
int vnot;
int next_edge;
int pivot_vertex;
int next_facet;
int reversed;
if (stl->error) return;
/* make sure this function is idempotent and does not leak memory */
stl_invalidate_shared_vertices(stl);
stl->v_indices = (v_indices_struct*)
calloc(stl->stats.number_of_facets, sizeof(v_indices_struct));
if(stl->v_indices == NULL) perror("stl_generate_shared_vertices");
stl->v_shared = (stl_vertex*)
calloc((stl->stats.number_of_facets / 2), sizeof(stl_vertex));
if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
stl->stats.shared_malloced = stl->stats.number_of_facets / 2;
stl->stats.shared_vertices = 0;
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl->v_indices[i].vertex[0] = -1;
stl->v_indices[i].vertex[1] = -1;
stl->v_indices[i].vertex[2] = -1;
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
first_facet = i;
for(j = 0; j < 3; j++) {
if(stl->v_indices[i].vertex[j] != -1) {
continue;
}
if(stl->stats.shared_vertices == stl->stats.shared_malloced) {
stl->stats.shared_malloced += 1024;
stl->v_shared = (stl_vertex*)realloc(stl->v_shared,
stl->stats.shared_malloced * sizeof(stl_vertex));
if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
}
stl->v_shared[stl->stats.shared_vertices] =
stl->facet_start[i].vertex[j];
direction = 0;
reversed = 0;
facet_num = i;
vnot = (j + 2) % 3;
for(;;) {
if(vnot > 2) {
if(direction == 0) {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
direction = 1;
} else {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot % 3;
direction = 0;
}
} else {
if(direction == 0) {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot;
} else {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
}
}
stl->v_indices[facet_num].vertex[pivot_vertex] =
stl->stats.shared_vertices;
next_facet = stl->neighbors_start[facet_num].neighbor[next_edge];
if(next_facet == -1) {
if(reversed) {
break;
} else {
direction = 1;
vnot = (j + 1) % 3;
reversed = 1;
facet_num = first_facet;
}
} else if(next_facet != first_facet) {
vnot = stl->neighbors_start[facet_num].
which_vertex_not[next_edge];
facet_num = next_facet;
} else {
break;
}
}
stl->stats.shared_vertices += 1;
}
}
}
void
stl_write_off(stl_file *stl, char *file) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "OFF\n");
fprintf(fp, "%d %d 0\n",
stl->stats.shared_vertices, stl->stats.number_of_facets);
for(i = 0; i < stl->stats.shared_vertices; i++) {
fprintf(fp, "\t%f %f %f\n",
stl->v_shared[i].x, stl->v_shared[i].y, stl->v_shared[i].z);
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "\t3 %d %d %d\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
}
fclose(fp);
}
void
stl_write_vrml(stl_file *stl, char *file) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "#VRML V1.0 ascii\n\n");
fprintf(fp, "Separator {\n");
fprintf(fp, "\tDEF STLShape ShapeHints {\n");
fprintf(fp, "\t\tvertexOrdering COUNTERCLOCKWISE\n");
fprintf(fp, "\t\tfaceType CONVEX\n");
fprintf(fp, "\t\tshapeType SOLID\n");
fprintf(fp, "\t\tcreaseAngle 0.0\n");
fprintf(fp, "\t}\n");
fprintf(fp, "\tDEF STLModel Separator {\n");
fprintf(fp, "\t\tDEF STLColor Material {\n");
fprintf(fp, "\t\t\temissiveColor 0.700000 0.700000 0.000000\n");
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLVertices Coordinate3 {\n");
fprintf(fp, "\t\t\tpoint [\n");
for(i = 0; i < (stl->stats.shared_vertices - 1); i++) {
fprintf(fp, "\t\t\t\t%f %f %f,\n",
stl->v_shared[i].x, stl->v_shared[i].y, stl->v_shared[i].z);
}
fprintf(fp, "\t\t\t\t%f %f %f]\n",
stl->v_shared[i].x, stl->v_shared[i].y, stl->v_shared[i].z);
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLTriangles IndexedFaceSet {\n");
fprintf(fp, "\t\t\tcoordIndex [\n");
for(i = 0; i < (stl->stats.number_of_facets - 1); i++) {
fprintf(fp, "\t\t\t\t%d, %d, %d, -1,\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
}
fprintf(fp, "\t\t\t\t%d, %d, %d, -1]\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t}\n");
fprintf(fp, "}\n");
fclose(fp);
}
void stl_write_obj (stl_file *stl, char *file) {
int i;
FILE* fp;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if (fp == NULL) {
char* error_msg = (char*)malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing", file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
for (i = 0; i < stl->stats.shared_vertices; i++) {
fprintf(fp, "v %f %f %f\n", stl->v_shared[i].x, stl->v_shared[i].y, stl->v_shared[i].z);
}
for (i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "f %d %d %d\n", stl->v_indices[i].vertex[0]+1, stl->v_indices[i].vertex[1]+1, stl->v_indices[i].vertex[2]+1);
}
fclose(fp);
}

12
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# src/shared.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/shared.o'
# Name of the non-PIC object
non_pic_object=none

201
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/stl.h Normal file
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#ifndef __admesh_stl__
#define __admesh_stl__
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#define STL_MAX(A,B) ((A)>(B)? (A):(B))
#define STL_MIN(A,B) ((A)<(B)? (A):(B))
#define ABS(X) ((X) < 0 ? -(X) : (X))
#define LABEL_SIZE 80
#define NUM_FACET_SIZE 4
#define HEADER_SIZE 84
#define STL_MIN_FILE_SIZE 284
#define ASCII_LINES_PER_FACET 7
#define SIZEOF_EDGE_SORT 24
typedef struct {
float x;
float y;
float z;
} stl_vertex;
typedef struct {
float x;
float y;
float z;
} stl_normal;
typedef char stl_extra[2];
typedef struct {
stl_normal normal;
stl_vertex vertex[3];
stl_extra extra;
} stl_facet;
#define SIZEOF_STL_FACET 50
typedef enum {binary, ascii, inmemory} stl_type;
typedef struct {
stl_vertex p1;
stl_vertex p2;
int facet_number;
} stl_edge;
typedef struct stl_hash_edge {
unsigned key[6];
int facet_number;
int which_edge;
struct stl_hash_edge *next;
} stl_hash_edge;
typedef struct {
int neighbor[3];
char which_vertex_not[3];
} stl_neighbors;
typedef struct {
int vertex[3];
} v_indices_struct;
typedef struct {
char header[81];
stl_type type;
int number_of_facets;
stl_vertex max;
stl_vertex min;
stl_vertex size;
float bounding_diameter;
float shortest_edge;
float volume;
unsigned number_of_blocks;
int connected_edges;
int connected_facets_1_edge;
int connected_facets_2_edge;
int connected_facets_3_edge;
int facets_w_1_bad_edge;
int facets_w_2_bad_edge;
int facets_w_3_bad_edge;
int original_num_facets;
int edges_fixed;
int degenerate_facets;
int facets_removed;
int facets_added;
int facets_reversed;
int backwards_edges;
int normals_fixed;
int number_of_parts;
int malloced;
int freed;
int facets_malloced;
int collisions;
int shared_vertices;
int shared_malloced;
} stl_stats;
typedef struct {
FILE *fp;
stl_facet *facet_start;
stl_edge *edge_start;
stl_hash_edge **heads;
stl_hash_edge *tail;
int M;
stl_neighbors *neighbors_start;
v_indices_struct *v_indices;
stl_vertex *v_shared;
stl_stats stats;
char error;
} stl_file;
extern void stl_open(stl_file *stl, char *file);
extern void stl_close(stl_file *stl);
extern void stl_stats_out(stl_file *stl, FILE *file, char *input_file);
extern void stl_print_edges(stl_file *stl, FILE *file);
extern void stl_print_neighbors(stl_file *stl, char *file);
extern void stl_put_little_int(FILE *fp, int value_in);
extern void stl_put_little_float(FILE *fp, float value_in);
extern void stl_write_ascii(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary_block(stl_file *stl, FILE *fp);
extern void stl_check_facets_exact(stl_file *stl);
extern void stl_check_facets_nearby(stl_file *stl, float tolerance);
extern void stl_remove_unconnected_facets(stl_file *stl);
extern void stl_write_vertex(stl_file *stl, int facet, int vertex);
extern void stl_write_facet(stl_file *stl, char *label, int facet);
extern void stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge);
extern void stl_write_neighbor(stl_file *stl, int facet);
extern void stl_write_quad_object(stl_file *stl, char *file);
extern void stl_verify_neighbors(stl_file *stl);
extern void stl_fill_holes(stl_file *stl);
extern void stl_fix_normal_directions(stl_file *stl);
extern void stl_fix_normal_values(stl_file *stl);
extern void stl_reverse_all_facets(stl_file *stl);
extern void stl_translate(stl_file *stl, float x, float y, float z);
extern void stl_translate_relative(stl_file *stl, float x, float y, float z);
extern void stl_scale_versor(stl_file *stl, float versor[3]);
extern void stl_scale(stl_file *stl, float factor);
extern void stl_rotate_x(stl_file *stl, float angle);
extern void stl_rotate_y(stl_file *stl, float angle);
extern void stl_rotate_z(stl_file *stl, float angle);
extern void stl_mirror_xy(stl_file *stl);
extern void stl_mirror_yz(stl_file *stl);
extern void stl_mirror_xz(stl_file *stl);
extern void stl_open_merge(stl_file *stl, char *file);
extern void stl_invalidate_shared_vertices(stl_file *stl);
extern void stl_generate_shared_vertices(stl_file *stl);
extern void stl_write_obj(stl_file *stl, char *file);
extern void stl_write_off(stl_file *stl, char *file);
extern void stl_write_dxf(stl_file *stl, char *file, char *label);
extern void stl_write_vrml(stl_file *stl, char *file);
extern void stl_calculate_normal(float normal[], stl_facet *facet);
extern void stl_normalize_vector(float v[]);
extern void stl_calculate_volume(stl_file *stl);
extern void stl_repair(stl_file *stl, int fixall_flag, int exact_flag, int tolerance_flag, float tolerance, int increment_flag, float increment, int nearby_flag, int iterations, int remove_unconnected_flag, int fill_holes_flag, int normal_directions_flag, int normal_values_flag, int reverse_all_flag, int verbose_flag);
extern void stl_initialize(stl_file *stl);
extern void stl_count_facets(stl_file *stl, char *file);
extern void stl_allocate(stl_file *stl);
extern void stl_read(stl_file *stl, int first_facet, int first);
extern void stl_facet_stats(stl_file *stl, stl_facet facet, int first);
extern void stl_reallocate(stl_file *stl);
extern void stl_add_facet(stl_file *stl, stl_facet *new_facet);
extern void stl_get_size(stl_file *stl);
extern void stl_clear_error(stl_file *stl);
extern int stl_get_error(stl_file *stl);
extern void stl_exit_on_error(stl_file *stl);
#ifdef __cplusplus
}
#endif
#endif

479
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/stl_io.c Normal file
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdlib.h>
#include <string.h>
#include "stl.h"
#include "config.h"
#if !defined(SEEK_SET)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
void
stl_print_edges(stl_file *stl, FILE *file) {
int i;
int edges_allocated;
if (stl->error) return;
edges_allocated = stl->stats.number_of_facets * 3;
for(i = 0; i < edges_allocated; i++) {
fprintf(file, "%d, %f, %f, %f, %f, %f, %f\n",
stl->edge_start[i].facet_number,
stl->edge_start[i].p1.x, stl->edge_start[i].p1.y,
stl->edge_start[i].p1.z, stl->edge_start[i].p2.x,
stl->edge_start[i].p2.y, stl->edge_start[i].p2.z);
}
}
void
stl_stats_out(stl_file *stl, FILE *file, char *input_file) {
if (stl->error) return;
/* this is here for Slic3r, without our config.h
it won't use this part of the code anyway */
#ifndef VERSION
#define VERSION "unknown"
#endif
fprintf(file, "\n\
================= Results produced by ADMesh version " VERSION " ================\n");
fprintf(file, "\
Input file : %s\n", input_file);
if(stl->stats.type == binary) {
fprintf(file, "\
File type : Binary STL file\n");
} else {
fprintf(file, "\
File type : ASCII STL file\n");
}
fprintf(file, "\
Header : %s\n", stl->stats.header);
fprintf(file, "============== Size ==============\n");
fprintf(file, "Min X = % f, Max X = % f\n",
stl->stats.min.x, stl->stats.max.x);
fprintf(file, "Min Y = % f, Max Y = % f\n",
stl->stats.min.y, stl->stats.max.y);
fprintf(file, "Min Z = % f, Max Z = % f\n",
stl->stats.min.z, stl->stats.max.z);
fprintf(file, "\
========= Facet Status ========== Original ============ Final ====\n");
fprintf(file, "\
Number of facets : %5d %5d\n",
stl->stats.original_num_facets, stl->stats.number_of_facets);
fprintf(file, "\
Facets with 1 disconnected edge : %5d %5d\n",
stl->stats.facets_w_1_bad_edge, stl->stats.connected_facets_2_edge -
stl->stats.connected_facets_3_edge);
fprintf(file, "\
Facets with 2 disconnected edges : %5d %5d\n",
stl->stats.facets_w_2_bad_edge, stl->stats.connected_facets_1_edge -
stl->stats.connected_facets_2_edge);
fprintf(file, "\
Facets with 3 disconnected edges : %5d %5d\n",
stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets -
stl->stats.connected_facets_1_edge);
fprintf(file, "\
Total disconnected facets : %5d %5d\n",
stl->stats.facets_w_1_bad_edge + stl->stats.facets_w_2_bad_edge +
stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets -
stl->stats.connected_facets_3_edge);
fprintf(file,
"=== Processing Statistics === ===== Other Statistics =====\n");
fprintf(file, "\
Number of parts : %5d Volume : % f\n",
stl->stats.number_of_parts, stl->stats.volume);
fprintf(file, "\
Degenerate facets : %5d\n", stl->stats.degenerate_facets);
fprintf(file, "\
Edges fixed : %5d\n", stl->stats.edges_fixed);
fprintf(file, "\
Facets removed : %5d\n", stl->stats.facets_removed);
fprintf(file, "\
Facets added : %5d\n", stl->stats.facets_added);
fprintf(file, "\
Facets reversed : %5d\n", stl->stats.facets_reversed);
fprintf(file, "\
Backwards edges : %5d\n", stl->stats.backwards_edges);
fprintf(file, "\
Normals fixed : %5d\n", stl->stats.normals_fixed);
}
void
stl_write_ascii(stl_file *stl, const char *file, const char *label) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "solid %s\n", label);
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, " facet normal % .8E % .8E % .8E\n",
stl->facet_start[i].normal.x, stl->facet_start[i].normal.y,
stl->facet_start[i].normal.z);
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[0].x, stl->facet_start[i].vertex[0].y,
stl->facet_start[i].vertex[0].z);
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[1].x, stl->facet_start[i].vertex[1].y,
stl->facet_start[i].vertex[1].z);
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[2].x, stl->facet_start[i].vertex[2].y,
stl->facet_start[i].vertex[2].z);
fprintf(fp, " endloop\n");
fprintf(fp, " endfacet\n");
}
fprintf(fp, "endsolid %s\n", label);
fclose(fp);
}
void
stl_print_neighbors(stl_file *stl, char *file) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_print_neighbors: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "%d, %d,%d, %d,%d, %d,%d\n",
i,
stl->neighbors_start[i].neighbor[0],
(int)stl->neighbors_start[i].which_vertex_not[0],
stl->neighbors_start[i].neighbor[1],
(int)stl->neighbors_start[i].which_vertex_not[1],
stl->neighbors_start[i].neighbor[2],
(int)stl->neighbors_start[i].which_vertex_not[2]);
}
fclose(fp);
}
void
stl_put_little_int(FILE *fp, int value_in) {
int new_value;
union {
int int_value;
char char_value[4];
} value;
value.int_value = value_in;
new_value = value.char_value[0] & 0xFF;
new_value |= (value.char_value[1] & 0xFF) << 0x08;
new_value |= (value.char_value[2] & 0xFF) << 0x10;
new_value |= (value.char_value[3] & 0xFF) << 0x18;
fwrite(&new_value, sizeof(int), 1, fp);
}
void
stl_put_little_float(FILE *fp, float value_in) {
int new_value;
union {
float float_value;
char char_value[4];
} value;
value.float_value = value_in;
new_value = value.char_value[0] & 0xFF;
new_value |= (value.char_value[1] & 0xFF) << 0x08;
new_value |= (value.char_value[2] & 0xFF) << 0x10;
new_value |= (value.char_value[3] & 0xFF) << 0x18;
fwrite(&new_value, sizeof(int), 1, fp);
}
void
stl_write_binary_block(stl_file *stl, FILE *fp)
{
int i;
for(i = 0; i < stl->stats.number_of_facets; i++)
{
stl_put_little_float(fp, stl->facet_start[i].normal.x);
stl_put_little_float(fp, stl->facet_start[i].normal.y);
stl_put_little_float(fp, stl->facet_start[i].normal.z);
stl_put_little_float(fp, stl->facet_start[i].vertex[0].x);
stl_put_little_float(fp, stl->facet_start[i].vertex[0].y);
stl_put_little_float(fp, stl->facet_start[i].vertex[0].z);
stl_put_little_float(fp, stl->facet_start[i].vertex[1].x);
stl_put_little_float(fp, stl->facet_start[i].vertex[1].y);
stl_put_little_float(fp, stl->facet_start[i].vertex[1].z);
stl_put_little_float(fp, stl->facet_start[i].vertex[2].x);
stl_put_little_float(fp, stl->facet_start[i].vertex[2].y);
stl_put_little_float(fp, stl->facet_start[i].vertex[2].z);
fputc(stl->facet_start[i].extra[0], fp);
fputc(stl->facet_start[i].extra[1], fp);
}
}
void
stl_write_binary(stl_file *stl, const char *file, const char *label) {
FILE *fp;
int i;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "wb");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_binary: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "%s", label);
for(i = strlen(label); i < LABEL_SIZE; i++) putc(0, fp);
fseek(fp, LABEL_SIZE, SEEK_SET);
stl_put_little_int(fp, stl->stats.number_of_facets);
stl_write_binary_block(stl, fp);
fclose(fp);
}
void
stl_write_vertex(stl_file *stl, int facet, int vertex) {
if (stl->error) return;
printf(" vertex %d/%d % .8E % .8E % .8E\n", vertex, facet,
stl->facet_start[facet].vertex[vertex].x,
stl->facet_start[facet].vertex[vertex].y,
stl->facet_start[facet].vertex[vertex].z);
}
void
stl_write_facet(stl_file *stl, char *label, int facet) {
if (stl->error) return;
printf("facet (%d)/ %s\n", facet, label);
stl_write_vertex(stl, facet, 0);
stl_write_vertex(stl, facet, 1);
stl_write_vertex(stl, facet, 2);
}
void
stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge) {
if (stl->error) return;
printf("edge (%d)/(%d) %s\n", edge.facet_number, edge.which_edge, label);
if(edge.which_edge < 3) {
stl_write_vertex(stl, edge.facet_number, edge.which_edge % 3);
stl_write_vertex(stl, edge.facet_number, (edge.which_edge + 1) % 3);
} else {
stl_write_vertex(stl, edge.facet_number, (edge.which_edge + 1) % 3);
stl_write_vertex(stl, edge.facet_number, edge.which_edge % 3);
}
}
void
stl_write_neighbor(stl_file *stl, int facet) {
if (stl->error) return;
printf("Neighbors %d: %d, %d, %d ; %d, %d, %d\n", facet,
stl->neighbors_start[facet].neighbor[0],
stl->neighbors_start[facet].neighbor[1],
stl->neighbors_start[facet].neighbor[2],
stl->neighbors_start[facet].which_vertex_not[0],
stl->neighbors_start[facet].which_vertex_not[1],
stl->neighbors_start[facet].which_vertex_not[2]);
}
void
stl_write_quad_object(stl_file *stl, char *file) {
FILE *fp;
int i;
int j;
char *error_msg;
stl_vertex connect_color;
stl_vertex uncon_1_color;
stl_vertex uncon_2_color;
stl_vertex uncon_3_color;
stl_vertex color;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_quad_object: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
connect_color.x = 0.0;
connect_color.y = 0.0;
connect_color.z = 1.0;
uncon_1_color.x = 0.0;
uncon_1_color.y = 1.0;
uncon_1_color.z = 0.0;
uncon_2_color.x = 1.0;
uncon_2_color.y = 1.0;
uncon_2_color.z = 1.0;
uncon_3_color.x = 1.0;
uncon_3_color.y = 0.0;
uncon_3_color.z = 0.0;
fprintf(fp, "CQUAD\n");
for(i = 0; i < stl->stats.number_of_facets; i++) {
j = ((stl->neighbors_start[i].neighbor[0] == -1) +
(stl->neighbors_start[i].neighbor[1] == -1) +
(stl->neighbors_start[i].neighbor[2] == -1));
if(j == 0) {
color = connect_color;
} else if(j == 1) {
color = uncon_1_color;
} else if(j == 2) {
color = uncon_2_color;
} else {
color = uncon_3_color;
}
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[0].x,
stl->facet_start[i].vertex[0].y,
stl->facet_start[i].vertex[0].z, color.x, color.y, color.z);
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[1].x,
stl->facet_start[i].vertex[1].y,
stl->facet_start[i].vertex[1].z, color.x, color.y, color.z);
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[2].x,
stl->facet_start[i].vertex[2].y,
stl->facet_start[i].vertex[2].z, color.x, color.y, color.z);
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[2].x,
stl->facet_start[i].vertex[2].y,
stl->facet_start[i].vertex[2].z, color.x, color.y, color.z);
}
fclose(fp);
}
void
stl_write_dxf(stl_file *stl, char *file, char *label) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "999\n%s\n", label);
fprintf(fp, "0\nSECTION\n2\nHEADER\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nTABLES\n0\nTABLE\n2\nLAYER\n70\n1\n\
0\nLAYER\n2\n0\n70\n0\n62\n7\n6\nCONTINUOUS\n0\nENDTAB\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nBLOCKS\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nENTITIES\n");
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "0\n3DFACE\n8\n0\n");
fprintf(fp, "10\n%f\n20\n%f\n30\n%f\n",
stl->facet_start[i].vertex[0].x, stl->facet_start[i].vertex[0].y,
stl->facet_start[i].vertex[0].z);
fprintf(fp, "11\n%f\n21\n%f\n31\n%f\n",
stl->facet_start[i].vertex[1].x, stl->facet_start[i].vertex[1].y,
stl->facet_start[i].vertex[1].z);
fprintf(fp, "12\n%f\n22\n%f\n32\n%f\n",
stl->facet_start[i].vertex[2].x, stl->facet_start[i].vertex[2].y,
stl->facet_start[i].vertex[2].z);
fprintf(fp, "13\n%f\n23\n%f\n33\n%f\n",
stl->facet_start[i].vertex[2].x, stl->facet_start[i].vertex[2].y,
stl->facet_start[i].vertex[2].z);
}
fprintf(fp, "0\nENDSEC\n0\nEOF\n");
fclose(fp);
}
void
stl_clear_error(stl_file *stl) {
stl->error = 0;
}
void
stl_exit_on_error(stl_file *stl) {
if (!stl->error) return;
stl->error = 0;
stl_close(stl);
exit(1);
}
int
stl_get_error(stl_file *stl) {
return stl->error;
}

12
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/stl_io.lo Normal file
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# src/stl_io.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/stl_io.o'
# Name of the non-PIC object
non_pic_object=none

404
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/stlinit.c Normal file
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "portable_endian.h"
#include "stl.h"
#if !defined(SEEK_SET)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
void
stl_open(stl_file *stl, char *file) {
stl_initialize(stl);
stl_count_facets(stl, file);
stl_allocate(stl);
stl_read(stl, 0, 1);
if (!stl->error) fclose(stl->fp);
}
void
stl_initialize(stl_file *stl) {
stl->error = 0;
stl->stats.backwards_edges = 0;
stl->stats.degenerate_facets = 0;
stl->stats.edges_fixed = 0;
stl->stats.facets_added = 0;
stl->stats.facets_removed = 0;
stl->stats.facets_reversed = 0;
stl->stats.normals_fixed = 0;
stl->stats.number_of_parts = 0;
stl->stats.original_num_facets = 0;
stl->stats.number_of_facets = 0;
stl->stats.facets_malloced = 0;
stl->stats.volume = -1.0;
stl->neighbors_start = NULL;
stl->facet_start = NULL;
stl->v_indices = NULL;
stl->v_shared = NULL;
}
void
stl_count_facets(stl_file *stl, char *file) {
long file_size;
uint32_t header_num_facets;
int num_facets;
int i, j;
size_t s;
unsigned char chtest[128];
int num_lines = 1;
char *error_msg;
if (stl->error) return;
/* Open the file in binary mode first */
stl->fp = fopen(file, "rb");
if(stl->fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_initialize: Couldn't open %s for reading",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
/* Find size of file */
fseek(stl->fp, 0, SEEK_END);
file_size = ftell(stl->fp);
/* Check for binary or ASCII file */
fseek(stl->fp, HEADER_SIZE, SEEK_SET);
if (!fread(chtest, sizeof(chtest), 1, stl->fp)) {
perror("The input is an empty file");
stl->error = 1;
return;
}
stl->stats.type = ascii;
for(s = 0; s < sizeof(chtest); s++) {
if(chtest[s] > 127) {
stl->stats.type = binary;
break;
}
}
rewind(stl->fp);
/* Get the header and the number of facets in the .STL file */
/* If the .STL file is binary, then do the following */
if(stl->stats.type == binary) {
/* Test if the STL file has the right size */
if(((file_size - HEADER_SIZE) % SIZEOF_STL_FACET != 0)
|| (file_size < STL_MIN_FILE_SIZE)) {
fprintf(stderr, "The file %s has the wrong size.\n", file);
stl->error = 1;
return;
}
num_facets = (file_size - HEADER_SIZE) / SIZEOF_STL_FACET;
/* Read the header */
if (fread(stl->stats.header, LABEL_SIZE, 1, stl->fp) > 79) {
stl->stats.header[80] = '\0';
}
/* Read the int following the header. This should contain # of facets */
if((!fread(&header_num_facets, sizeof(uint32_t), 1, stl->fp)) || (uint32_t)num_facets != le32toh(header_num_facets)) {
fprintf(stderr,
"Warning: File size doesn't match number of facets in the header\n");
}
}
/* Otherwise, if the .STL file is ASCII, then do the following */
else {
/* Reopen the file in text mode (for getting correct newlines on Windows) */
if (freopen(file, "r", stl->fp) == NULL) {
perror("Could not reopen the file, something went wrong");
stl->error = 1;
return;
}
/* Find the number of facets */
j = 0;
for(i = 0; i < file_size ; i++) {
j++;
if(getc(stl->fp) == '\n') {
if(j > 4) { /* don't count short lines */
num_lines++;
}
j = 0;
}
}
rewind(stl->fp);
/* Get the header */
for(i = 0;
(i < 80) && (stl->stats.header[i] = getc(stl->fp)) != '\n'; i++);
stl->stats.header[i] = '\0'; /* Lose the '\n' */
stl->stats.header[80] = '\0';
num_facets = num_lines / ASCII_LINES_PER_FACET;
}
stl->stats.number_of_facets += num_facets;
stl->stats.original_num_facets = stl->stats.number_of_facets;
}
void
stl_allocate(stl_file *stl) {
if (stl->error) return;
/* Allocate memory for the entire .STL file */
stl->facet_start = (stl_facet*)calloc(stl->stats.number_of_facets,
sizeof(stl_facet));
if(stl->facet_start == NULL) perror("stl_initialize");
stl->stats.facets_malloced = stl->stats.number_of_facets;
/* Allocate memory for the neighbors list */
stl->neighbors_start = (stl_neighbors*)
calloc(stl->stats.number_of_facets, sizeof(stl_neighbors));
if(stl->neighbors_start == NULL) perror("stl_initialize");
}
void
stl_open_merge(stl_file *stl, char *file_to_merge) {
int num_facets_so_far;
stl_type origStlType;
FILE *origFp;
stl_file stl_to_merge;
if (stl->error) return;
/* Record how many facets we have so far from the first file. We will start putting
facets in the next position. Since we're 0-indexed, it'l be the same position. */
num_facets_so_far = stl->stats.number_of_facets;
/* Record the file type we started with: */
origStlType=stl->stats.type;
/* Record the file pointer too: */
origFp=stl->fp;
/* Initialize the sturucture with zero stats, header info and sizes: */
stl_initialize(&stl_to_merge);
stl_count_facets(&stl_to_merge, file_to_merge);
/* Copy what we need to into stl so that we can read the file_to_merge directly into it
using stl_read: Save the rest of the valuable info: */
stl->stats.type=stl_to_merge.stats.type;
stl->fp=stl_to_merge.fp;
/* Add the number of facets we already have in stl with what we we found in stl_to_merge but
haven't read yet. */
stl->stats.number_of_facets=num_facets_so_far+stl_to_merge.stats.number_of_facets;
/* Allocate enough room for stl->stats.number_of_facets facets and neighbors: */
stl_reallocate(stl);
/* Read the file to merge directly into stl, adding it to what we have already.
Start at num_facets_so_far, the index to the first unused facet. Also say
that this isn't our first time so we should augment stats like min and max
instead of erasing them. */
stl_read(stl, num_facets_so_far, 0);
/* Restore the stl information we overwrote (for stl_read) so that it still accurately
reflects the subject part: */
stl->stats.type=origStlType;
stl->fp=origFp;
}
extern void
stl_reallocate(stl_file *stl) {
if (stl->error) return;
/* Reallocate more memory for the .STL file(s) */
stl->facet_start = (stl_facet*)realloc(stl->facet_start, stl->stats.number_of_facets *
sizeof(stl_facet));
if(stl->facet_start == NULL) perror("stl_initialize");
stl->stats.facets_malloced = stl->stats.number_of_facets;
/* Reallocate more memory for the neighbors list */
stl->neighbors_start = (stl_neighbors*)
realloc(stl->neighbors_start, stl->stats.number_of_facets *
sizeof(stl_neighbors));
if(stl->facet_start == NULL) perror("stl_initialize");
}
/* Reads the contents of the file pointed to by stl->fp into the stl structure,
starting at facet first_facet. The second argument says if it's our first
time running this for the stl and therefore we should reset our max and min stats. */
void
stl_read(stl_file *stl, int first_facet, int first) {
stl_facet facet;
int i, j;
const int facet_float_length = 12;
float *facet_floats[12];
char facet_buffer[12 * sizeof(float)];
uint32_t endianswap_buffer; /* for byteswapping operations */
facet.extra[0] = 0;
facet.extra[1] = 0;
facet_floats[0] = &facet.normal.x;
facet_floats[1] = &facet.normal.y;
facet_floats[2] = &facet.normal.z;
facet_floats[3] = &facet.vertex[0].x;
facet_floats[4] = &facet.vertex[0].y;
facet_floats[5] = &facet.vertex[0].z;
facet_floats[6] = &facet.vertex[1].x;
facet_floats[7] = &facet.vertex[1].y;
facet_floats[8] = &facet.vertex[1].z;
facet_floats[9] = &facet.vertex[2].x;
facet_floats[10] = &facet.vertex[2].y;
facet_floats[11] = &facet.vertex[2].z;
if (stl->error) return;
if(stl->stats.type == binary) {
fseek(stl->fp, HEADER_SIZE, SEEK_SET);
} else {
rewind(stl->fp);
/* Skip the first line of the file */
while(getc(stl->fp) != '\n');
}
for(i = first_facet; i < stl->stats.number_of_facets; i++) {
if(stl->stats.type == binary)
/* Read a single facet from a binary .STL file */
{
if(fread(facet_buffer, sizeof(facet_buffer), 1, stl->fp)
+ fread(&facet.extra, sizeof(char), 2, stl->fp) != 3) {
perror("Cannot read facet");
stl->error = 1;
return;
}
for(j = 0; j < facet_float_length; j++) {
/* convert LE float to host byte order */
memcpy(&endianswap_buffer, facet_buffer + j * sizeof(float), 4);
endianswap_buffer = le32toh(endianswap_buffer);
memcpy(facet_floats[j], &endianswap_buffer, 4);
}
} else
/* Read a single facet from an ASCII .STL file */
{
if((fscanf(stl->fp, "%*s %*s %f %f %f\n", &facet.normal.x, &facet.normal.y, &facet.normal.z) + \
fscanf(stl->fp, "%*s %*s") + \
fscanf(stl->fp, "%*s %f %f %f\n", &facet.vertex[0].x, &facet.vertex[0].y, &facet.vertex[0].z) + \
fscanf(stl->fp, "%*s %f %f %f\n", &facet.vertex[1].x, &facet.vertex[1].y, &facet.vertex[1].z) + \
fscanf(stl->fp, "%*s %f %f %f\n", &facet.vertex[2].x, &facet.vertex[2].y, &facet.vertex[2].z) + \
fscanf(stl->fp, "%*s") + \
fscanf(stl->fp, "%*s")) != 12) {
perror("Something is syntactically very wrong with this ASCII STL!");
stl->error = 1;
return;
}
}
/* Write the facet into memory. */
stl->facet_start[i] = facet;
stl_facet_stats(stl, facet, first);
first = 0;
}
stl->stats.size.x = stl->stats.max.x - stl->stats.min.x;
stl->stats.size.y = stl->stats.max.y - stl->stats.min.y;
stl->stats.size.z = stl->stats.max.z - stl->stats.min.z;
stl->stats.bounding_diameter = sqrt(
stl->stats.size.x * stl->stats.size.x +
stl->stats.size.y * stl->stats.size.y +
stl->stats.size.z * stl->stats.size.z
);
}
void
stl_facet_stats(stl_file *stl, stl_facet facet, int first) {
float diff_x;
float diff_y;
float diff_z;
float max_diff;
if (stl->error) return;
/* while we are going through all of the facets, let's find the */
/* maximum and minimum values for x, y, and z */
/* Initialize the max and min values the first time through*/
if (first) {
stl->stats.max.x = facet.vertex[0].x;
stl->stats.min.x = facet.vertex[0].x;
stl->stats.max.y = facet.vertex[0].y;
stl->stats.min.y = facet.vertex[0].y;
stl->stats.max.z = facet.vertex[0].z;
stl->stats.min.z = facet.vertex[0].z;
diff_x = ABS(facet.vertex[0].x - facet.vertex[1].x);
diff_y = ABS(facet.vertex[0].y - facet.vertex[1].y);
diff_z = ABS(facet.vertex[0].z - facet.vertex[1].z);
max_diff = STL_MAX(diff_x, diff_y);
max_diff = STL_MAX(diff_z, max_diff);
stl->stats.shortest_edge = max_diff;
first = 0;
}
/* now find the max and min values */
stl->stats.max.x = STL_MAX(stl->stats.max.x, facet.vertex[0].x);
stl->stats.min.x = STL_MIN(stl->stats.min.x, facet.vertex[0].x);
stl->stats.max.y = STL_MAX(stl->stats.max.y, facet.vertex[0].y);
stl->stats.min.y = STL_MIN(stl->stats.min.y, facet.vertex[0].y);
stl->stats.max.z = STL_MAX(stl->stats.max.z, facet.vertex[0].z);
stl->stats.min.z = STL_MIN(stl->stats.min.z, facet.vertex[0].z);
stl->stats.max.x = STL_MAX(stl->stats.max.x, facet.vertex[1].x);
stl->stats.min.x = STL_MIN(stl->stats.min.x, facet.vertex[1].x);
stl->stats.max.y = STL_MAX(stl->stats.max.y, facet.vertex[1].y);
stl->stats.min.y = STL_MIN(stl->stats.min.y, facet.vertex[1].y);
stl->stats.max.z = STL_MAX(stl->stats.max.z, facet.vertex[1].z);
stl->stats.min.z = STL_MIN(stl->stats.min.z, facet.vertex[1].z);
stl->stats.max.x = STL_MAX(stl->stats.max.x, facet.vertex[2].x);
stl->stats.min.x = STL_MIN(stl->stats.min.x, facet.vertex[2].x);
stl->stats.max.y = STL_MAX(stl->stats.max.y, facet.vertex[2].y);
stl->stats.min.y = STL_MIN(stl->stats.min.y, facet.vertex[2].y);
stl->stats.max.z = STL_MAX(stl->stats.max.z, facet.vertex[2].z);
stl->stats.min.z = STL_MIN(stl->stats.min.z, facet.vertex[2].z);
}
void
stl_close(stl_file *stl) {
if (stl->error) return;
if(stl->neighbors_start != NULL)
free(stl->neighbors_start);
if(stl->facet_start != NULL)
free(stl->facet_start);
if(stl->v_indices != NULL)
free(stl->v_indices);
if(stl->v_shared != NULL)
free(stl->v_shared);
}

12
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/stlinit.lo Normal file
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@ -0,0 +1,12 @@
# src/stlinit.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/stlinit.o'
# Name of the non-PIC object
non_pic_object=none

557
extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/util.c Normal file
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@ -0,0 +1,557 @@
/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "stl.h"
static void stl_rotate(float *x, float *y, float angle);
static float get_area(stl_facet *facet);
static float get_volume(stl_file *stl);
void
stl_verify_neighbors(stl_file *stl) {
int i;
int j;
stl_edge edge_a;
stl_edge edge_b;
int neighbor;
int vnot;
if (stl->error) return;
stl->stats.backwards_edges = 0;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
edge_a.p1 = stl->facet_start[i].vertex[j];
edge_a.p2 = stl->facet_start[i].vertex[(j + 1) % 3];
neighbor = stl->neighbors_start[i].neighbor[j];
vnot = stl->neighbors_start[i].which_vertex_not[j];
if(neighbor == -1)
continue; /* this edge has no neighbor... Continue. */
if(vnot < 3) {
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
} else {
stl->stats.backwards_edges += 1;
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
}
if(memcmp(&edge_a, &edge_b, SIZEOF_EDGE_SORT) != 0) {
/* These edges should match but they don't. Print results. */
printf("edge %d of facet %d doesn't match edge %d of facet %d\n",
j, i, vnot + 1, neighbor);
stl_write_facet(stl, (char*)"first facet", i);
stl_write_facet(stl, (char*)"second facet", neighbor);
}
}
}
}
void
stl_translate(stl_file *stl, float x, float y, float z) {
int i;
int j;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].x -= (stl->stats.min.x - x);
stl->facet_start[i].vertex[j].y -= (stl->stats.min.y - y);
stl->facet_start[i].vertex[j].z -= (stl->stats.min.z - z);
}
}
stl->stats.max.x -= (stl->stats.min.x - x);
stl->stats.max.y -= (stl->stats.min.y - y);
stl->stats.max.z -= (stl->stats.min.z - z);
stl->stats.min.x = x;
stl->stats.min.y = y;
stl->stats.min.z = z;
stl_invalidate_shared_vertices(stl);
}
/* Translates the stl by x,y,z, relatively from wherever it is currently */
void
stl_translate_relative(stl_file *stl, float x, float y, float z) {
int i;
int j;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].x += x;
stl->facet_start[i].vertex[j].y += y;
stl->facet_start[i].vertex[j].z += z;
}
}
stl->stats.min.x += x;
stl->stats.min.y += y;
stl->stats.min.z += z;
stl->stats.max.x += x;
stl->stats.max.y += y;
stl->stats.max.z += z;
stl_invalidate_shared_vertices(stl);
}
void
stl_scale_versor(stl_file *stl, float versor[3]) {
int i;
int j;
if (stl->error) return;
/* scale extents */
stl->stats.min.x *= versor[0];
stl->stats.min.y *= versor[1];
stl->stats.min.z *= versor[2];
stl->stats.max.x *= versor[0];
stl->stats.max.y *= versor[1];
stl->stats.max.z *= versor[2];
/* scale size */
stl->stats.size.x *= versor[0];
stl->stats.size.y *= versor[1];
stl->stats.size.z *= versor[2];
/* scale volume */
if (stl->stats.volume > 0.0) {
stl->stats.volume *= (versor[0] * versor[1] * versor[2]);
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].x *= versor[0];
stl->facet_start[i].vertex[j].y *= versor[1];
stl->facet_start[i].vertex[j].z *= versor[2];
}
}
stl_invalidate_shared_vertices(stl);
}
void
stl_scale(stl_file *stl, float factor) {
float versor[3];
if (stl->error) return;
versor[0] = factor;
versor[1] = factor;
versor[2] = factor;
stl_scale_versor(stl, versor);
}
static void calculate_normals(stl_file *stl) {
long i;
float normal[3];
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal.x = normal[0];
stl->facet_start[i].normal.y = normal[1];
stl->facet_start[i].normal.z = normal[2];
}
}
void
stl_rotate_x(stl_file *stl, float angle) {
int i;
int j;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j].y,
&stl->facet_start[i].vertex[j].z, angle);
}
}
stl_get_size(stl);
calculate_normals(stl);
}
void
stl_rotate_y(stl_file *stl, float angle) {
int i;
int j;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j].z,
&stl->facet_start[i].vertex[j].x, angle);
}
}
stl_get_size(stl);
calculate_normals(stl);
}
void
stl_rotate_z(stl_file *stl, float angle) {
int i;
int j;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j].x,
&stl->facet_start[i].vertex[j].y, angle);
}
}
stl_get_size(stl);
calculate_normals(stl);
}
static void
stl_rotate(float *x, float *y, float angle) {
double r;
double theta;
double radian_angle;
radian_angle = (angle / 180.0) * M_PI;
r = sqrt((*x **x) + (*y **y));
theta = atan2(*y, *x);
*x = r * cos(theta + radian_angle);
*y = r * sin(theta + radian_angle);
}
extern void
stl_get_size(stl_file *stl) {
int i;
int j;
if (stl->error) return;
if (stl->stats.number_of_facets == 0) return;
stl->stats.min.x = stl->facet_start[0].vertex[0].x;
stl->stats.min.y = stl->facet_start[0].vertex[0].y;
stl->stats.min.z = stl->facet_start[0].vertex[0].z;
stl->stats.max.x = stl->facet_start[0].vertex[0].x;
stl->stats.max.y = stl->facet_start[0].vertex[0].y;
stl->stats.max.z = stl->facet_start[0].vertex[0].z;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->stats.min.x = STL_MIN(stl->stats.min.x,
stl->facet_start[i].vertex[j].x);
stl->stats.min.y = STL_MIN(stl->stats.min.y,
stl->facet_start[i].vertex[j].y);
stl->stats.min.z = STL_MIN(stl->stats.min.z,
stl->facet_start[i].vertex[j].z);
stl->stats.max.x = STL_MAX(stl->stats.max.x,
stl->facet_start[i].vertex[j].x);
stl->stats.max.y = STL_MAX(stl->stats.max.y,
stl->facet_start[i].vertex[j].y);
stl->stats.max.z = STL_MAX(stl->stats.max.z,
stl->facet_start[i].vertex[j].z);
}
}
stl->stats.size.x = stl->stats.max.x - stl->stats.min.x;
stl->stats.size.y = stl->stats.max.y - stl->stats.min.y;
stl->stats.size.z = stl->stats.max.z - stl->stats.min.z;
stl->stats.bounding_diameter = sqrt(
stl->stats.size.x * stl->stats.size.x +
stl->stats.size.y * stl->stats.size.y +
stl->stats.size.z * stl->stats.size.z
);
}
void
stl_mirror_xy(stl_file *stl) {
int i;
int j;
float temp_size;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].z *= -1.0;
}
}
temp_size = stl->stats.min.z;
stl->stats.min.z = stl->stats.max.z;
stl->stats.max.z = temp_size;
stl->stats.min.z *= -1.0;
stl->stats.max.z *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
void
stl_mirror_yz(stl_file *stl) {
int i;
int j;
float temp_size;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].x *= -1.0;
}
}
temp_size = stl->stats.min.x;
stl->stats.min.x = stl->stats.max.x;
stl->stats.max.x = temp_size;
stl->stats.min.x *= -1.0;
stl->stats.max.x *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
void
stl_mirror_xz(stl_file *stl) {
int i;
int j;
float temp_size;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j].y *= -1.0;
}
}
temp_size = stl->stats.min.y;
stl->stats.min.y = stl->stats.max.y;
stl->stats.max.y = temp_size;
stl->stats.min.y *= -1.0;
stl->stats.max.y *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
static float get_volume(stl_file *stl) {
long i;
stl_vertex p0;
stl_vertex p;
stl_normal n;
float height;
float area;
float volume = 0.0;
if (stl->error) return 0;
/* Choose a point, any point as the reference */
p0.x = stl->facet_start[0].vertex[0].x;
p0.y = stl->facet_start[0].vertex[0].y;
p0.z = stl->facet_start[0].vertex[0].z;
for(i = 0; i < stl->stats.number_of_facets; i++) {
p.x = stl->facet_start[i].vertex[0].x - p0.x;
p.y = stl->facet_start[i].vertex[0].y - p0.y;
p.z = stl->facet_start[i].vertex[0].z - p0.z;
/* Do dot product to get distance from point to plane */
n = stl->facet_start[i].normal;
height = (n.x * p.x) + (n.y * p.y) + (n.z * p.z);
area = get_area(&stl->facet_start[i]);
volume += (area * height) / 3.0;
}
return volume;
}
void stl_calculate_volume(stl_file *stl) {
if (stl->error) return;
stl->stats.volume = get_volume(stl);
}
static float get_area(stl_facet *facet) {
double cross[3][3];
float sum[3];
float n[3];
float area;
int i;
/* cast to double before calculating cross product because large coordinates
can result in overflowing product
(bad area is responsible for bad volume and bad facets reversal) */
for(i = 0; i < 3; i++) {
cross[i][0]=(((double)facet->vertex[i].y * (double)facet->vertex[(i + 1) % 3].z) -
((double)facet->vertex[i].z * (double)facet->vertex[(i + 1) % 3].y));
cross[i][1]=(((double)facet->vertex[i].z * (double)facet->vertex[(i + 1) % 3].x) -
((double)facet->vertex[i].x * (double)facet->vertex[(i + 1) % 3].z));
cross[i][2]=(((double)facet->vertex[i].x * (double)facet->vertex[(i + 1) % 3].y) -
((double)facet->vertex[i].y * (double)facet->vertex[(i + 1) % 3].x));
}
sum[0] = cross[0][0] + cross[1][0] + cross[2][0];
sum[1] = cross[0][1] + cross[1][1] + cross[2][1];
sum[2] = cross[0][2] + cross[1][2] + cross[2][2];
/* This should already be done. But just in case, let's do it again */
stl_calculate_normal(n, facet);
stl_normalize_vector(n);
area = 0.5 * (n[0] * sum[0] + n[1] * sum[1] + n[2] * sum[2]);
return area;
}
void stl_repair(stl_file *stl,
int fixall_flag,
int exact_flag,
int tolerance_flag,
float tolerance,
int increment_flag,
float increment,
int nearby_flag,
int iterations,
int remove_unconnected_flag,
int fill_holes_flag,
int normal_directions_flag,
int normal_values_flag,
int reverse_all_flag,
int verbose_flag) {
int i;
int last_edges_fixed = 0;
if (stl->error) return;
if(exact_flag || fixall_flag || nearby_flag || remove_unconnected_flag
|| fill_holes_flag || normal_directions_flag) {
if (verbose_flag)
printf("Checking exact...\n");
exact_flag = 1;
stl_check_facets_exact(stl);
stl->stats.facets_w_1_bad_edge =
(stl->stats.connected_facets_2_edge -
stl->stats.connected_facets_3_edge);
stl->stats.facets_w_2_bad_edge =
(stl->stats.connected_facets_1_edge -
stl->stats.connected_facets_2_edge);
stl->stats.facets_w_3_bad_edge =
(stl->stats.number_of_facets -
stl->stats.connected_facets_1_edge);
}
if(nearby_flag || fixall_flag) {
if(!tolerance_flag) {
tolerance = stl->stats.shortest_edge;
}
if(!increment_flag) {
increment = stl->stats.bounding_diameter / 10000.0;
}
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
for(i = 0; i < iterations; i++) {
if(stl->stats.connected_facets_3_edge <
stl->stats.number_of_facets) {
if (verbose_flag)
printf("\
Checking nearby. Tolerance= %f Iteration=%d of %d...",
tolerance, i + 1, iterations);
stl_check_facets_nearby(stl, tolerance);
if (verbose_flag)
printf(" Fixed %d edges.\n",
stl->stats.edges_fixed - last_edges_fixed);
last_edges_fixed = stl->stats.edges_fixed;
tolerance += increment;
} else {
if (verbose_flag)
printf("\
All facets connected. No further nearby check necessary.\n");
break;
}
}
} else {
if (verbose_flag)
printf("All facets connected. No nearby check necessary.\n");
}
}
if(remove_unconnected_flag || fixall_flag || fill_holes_flag) {
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Removing unconnected facets...\n");
stl_remove_unconnected_facets(stl);
} else
if (verbose_flag)
printf("No unconnected need to be removed.\n");
}
if(fill_holes_flag || fixall_flag) {
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Filling holes...\n");
stl_fill_holes(stl);
} else
if (verbose_flag)
printf("No holes need to be filled.\n");
}
if(reverse_all_flag) {
if (verbose_flag)
printf("Reversing all facets...\n");
stl_reverse_all_facets(stl);
}
if(normal_directions_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal directions...\n");
stl_fix_normal_directions(stl);
}
if(normal_values_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal values...\n");
stl_fix_normal_values(stl);
}
/* Always calculate the volume. It shouldn't take too long */
if (verbose_flag)
printf("Calculating volume...\n");
stl_calculate_volume(stl);
if(fixall_flag) {
if(stl->stats.volume < 0.0) {
if (verbose_flag)
printf("Reversing all facets because volume is negative...\n");
stl_reverse_all_facets(stl);
stl->stats.volume = -stl->stats.volume;
}
}
if(exact_flag) {
if (verbose_flag)
printf("Verifying neighbors...\n");
stl_verify_neighbors(stl);
}
}

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extensions/fablabchemnitz/papercraft_unfold/admesh/linux/src/util.lo Normal file
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# src/util.lo - a libtool object file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
pic_object='.libs/util.o'
# Name of the non-PIC object
non_pic_object=none

1
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timestamp for config.h

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extensions/fablabchemnitz/papercraft_unfold/admesh/windows/include/admesh/stl.h Normal file
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/* ADMesh -- process triangulated solid meshes
* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
* Copyright (C) 2013, 2014 several contributors, see AUTHORS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Questions, comments, suggestions, etc to
* https://github.com/admesh/admesh/issues
*/
#ifndef __admesh_stl__
#define __admesh_stl__
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#define STL_MAX(A,B) ((A)>(B)? (A):(B))
#define STL_MIN(A,B) ((A)<(B)? (A):(B))
#define ABS(X) ((X) < 0 ? -(X) : (X))
#define LABEL_SIZE 80
#define NUM_FACET_SIZE 4
#define HEADER_SIZE 84
#define STL_MIN_FILE_SIZE 284
#define ASCII_LINES_PER_FACET 7
#define SIZEOF_EDGE_SORT 24
typedef struct {
float x;
float y;
float z;
} stl_vertex;
typedef struct {
float x;
float y;
float z;
} stl_normal;
typedef char stl_extra[2];
typedef struct {
stl_normal normal;
stl_vertex vertex[3];
stl_extra extra;
} stl_facet;
#define SIZEOF_STL_FACET 50
typedef enum {binary, ascii, inmemory} stl_type;
typedef struct {
stl_vertex p1;
stl_vertex p2;
int facet_number;
} stl_edge;
typedef struct stl_hash_edge {
unsigned key[6];
int facet_number;
int which_edge;
struct stl_hash_edge *next;
} stl_hash_edge;
typedef struct {
int neighbor[3];
char which_vertex_not[3];
} stl_neighbors;
typedef struct {
int vertex[3];
} v_indices_struct;
typedef struct {
char header[81];
stl_type type;
int number_of_facets;
stl_vertex max;
stl_vertex min;
stl_vertex size;
float bounding_diameter;
float shortest_edge;
float volume;
unsigned number_of_blocks;
int connected_edges;
int connected_facets_1_edge;
int connected_facets_2_edge;
int connected_facets_3_edge;
int facets_w_1_bad_edge;
int facets_w_2_bad_edge;
int facets_w_3_bad_edge;
int original_num_facets;
int edges_fixed;
int degenerate_facets;
int facets_removed;
int facets_added;
int facets_reversed;
int backwards_edges;
int normals_fixed;
int number_of_parts;
int malloced;
int freed;
int facets_malloced;
int collisions;
int shared_vertices;
int shared_malloced;
} stl_stats;
typedef struct {
FILE *fp;
stl_facet *facet_start;
stl_edge *edge_start;
stl_hash_edge **heads;
stl_hash_edge *tail;
int M;
stl_neighbors *neighbors_start;
v_indices_struct *v_indices;
stl_vertex *v_shared;
stl_stats stats;
char error;
} stl_file;
extern void stl_open(stl_file *stl, char *file);
extern void stl_close(stl_file *stl);
extern void stl_stats_out(stl_file *stl, FILE *file, char *input_file);
extern void stl_print_edges(stl_file *stl, FILE *file);
extern void stl_print_neighbors(stl_file *stl, char *file);
extern void stl_put_little_int(FILE *fp, int value_in);
extern void stl_put_little_float(FILE *fp, float value_in);
extern void stl_write_ascii(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary_block(stl_file *stl, FILE *fp);
extern void stl_check_facets_exact(stl_file *stl);
extern void stl_check_facets_nearby(stl_file *stl, float tolerance);
extern void stl_remove_unconnected_facets(stl_file *stl);
extern void stl_write_vertex(stl_file *stl, int facet, int vertex);
extern void stl_write_facet(stl_file *stl, char *label, int facet);
extern void stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge);
extern void stl_write_neighbor(stl_file *stl, int facet);
extern void stl_write_quad_object(stl_file *stl, char *file);
extern void stl_verify_neighbors(stl_file *stl);
extern void stl_fill_holes(stl_file *stl);
extern void stl_fix_normal_directions(stl_file *stl);
extern void stl_fix_normal_values(stl_file *stl);
extern void stl_reverse_all_facets(stl_file *stl);
extern void stl_translate(stl_file *stl, float x, float y, float z);
extern void stl_translate_relative(stl_file *stl, float x, float y, float z);
extern void stl_scale_versor(stl_file *stl, float versor[3]);
extern void stl_scale(stl_file *stl, float factor);
extern void stl_rotate_x(stl_file *stl, float angle);
extern void stl_rotate_y(stl_file *stl, float angle);
extern void stl_rotate_z(stl_file *stl, float angle);
extern void stl_mirror_xy(stl_file *stl);
extern void stl_mirror_yz(stl_file *stl);
extern void stl_mirror_xz(stl_file *stl);
extern void stl_open_merge(stl_file *stl, char *file);
extern void stl_invalidate_shared_vertices(stl_file *stl);
extern void stl_generate_shared_vertices(stl_file *stl);
extern void stl_write_obj(stl_file *stl, char *file);
extern void stl_write_off(stl_file *stl, char *file);
extern void stl_write_dxf(stl_file *stl, char *file, char *label);
extern void stl_write_vrml(stl_file *stl, char *file);
extern void stl_calculate_normal(float normal[], stl_facet *facet);
extern void stl_normalize_vector(float v[]);
extern void stl_calculate_volume(stl_file *stl);
extern void stl_repair(stl_file *stl, int fixall_flag, int exact_flag, int tolerance_flag, float tolerance, int increment_flag, float increment, int nearby_flag, int iterations, int remove_unconnected_flag, int fill_holes_flag, int normal_directions_flag, int normal_values_flag, int reverse_all_flag, int verbose_flag);
extern void stl_initialize(stl_file *stl);
extern void stl_count_facets(stl_file *stl, char *file);
extern void stl_allocate(stl_file *stl);
extern void stl_read(stl_file *stl, int first_facet, int first);
extern void stl_facet_stats(stl_file *stl, stl_facet facet, int first);
extern void stl_reallocate(stl_file *stl);
extern void stl_add_facet(stl_file *stl, stl_facet *new_facet);
extern void stl_get_size(stl_file *stl);
extern void stl_clear_error(stl_file *stl);
extern int stl_get_error(stl_file *stl);
extern void stl_exit_on_error(stl_file *stl);
#ifdef __cplusplus
}
#endif
#endif

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extensions/fablabchemnitz/papercraft_unfold/admesh/windows/lib/libadmesh.la Executable file
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# libadmesh.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname='../bin/libadmesh-1.dll'
# Names of this library.
library_names='libadmesh.dll.a'
# The name of the static archive.
old_library=''
# Linker flags that cannot go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=''
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libadmesh.
current=1
age=0
revision=0
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/usr/x86_64-w64-mingw32/sys-root/mingw/lib'

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extensions/fablabchemnitz/papercraft_unfold/admesh/windows/lib/pkgconfig/libadmesh.pc Normal file
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prefix=/usr/x86_64-w64-mingw32/sys-root/mingw
exec_prefix=/usr/x86_64-w64-mingw32/sys-root/mingw
libdir=/usr/x86_64-w64-mingw32/sys-root/mingw/lib
includedir=/usr/x86_64-w64-mingw32/sys-root/mingw/include
Name: libadmesh
Description: Library for woring with admesh
Version: 0.98.3
Libs: -L${libdir} -ladmesh
Libs.private:
Cflags: -I${includedir}

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extensions/fablabchemnitz/papercraft_unfold/assets/models/cube/cube.mtl Normal file
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newmtl cubemtl
Ns 10
Ni 1.0
d 1.0
Tf 1 1 1
illum 2
Ka 0.5 0.5 0.
Kd 0.9 0.9 0.9
Ks 0.0 0.0 0.0
map_Kd cube.png

34
extensions/fablabchemnitz/papercraft_unfold/assets/models/cube/cube.obj Normal file
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mtllib cube.mtl
usemtl cubemtl
v -0.5 -0.5 -0.5
v -0.5 -0.5 0.5
v -0.5 0.5 -0.5
v -0.5 0.5 0.5
v 0.5 -0.5 -0.5
v 0.5 -0.5 0.5
v 0.5 0.5 -0.5
v 0.5 0.5 0.5
vt 0.0 0.0
vt 0.0 1.0
vt 1.0 0.0
vt 1.0 1.0
vn 1.0 0.0 0.0
vn 0.0 1.0 0.0
vn 0.0 0.0 1.0
vn -1.0 0.0 0.0
vn 0.0 -1.0 0.0
vn 0.0 0.0 -1.0
f 1/1/4 2/3/4 4/4/4 3/2/4
f 2/1/3 6/3/3 8/4/3 4/2/3
f 6/1/1 5/3/1 7/4/1 8/2/1
f 5/1/6 1/3/6 3/4/6 7/2/6
f 4/1/2 8/3/2 7/4/2 3/2/2
f 2/1/5 1/3/5 5/4/5 6/2/5
usemtl fuckyou

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varying vec3 fNormal;
varying vec4 fFrontColor;
vec3 ambientLight = vec3(0.2,0.2,0.2);
vec3 directionnalLight = normalize(vec3(10,5,7));
vec3 directionnalLightFactor = vec3(0.5,0.5,0.5);
uniform sampler2D tex;
void main() {
vec3 ambientFactor = ambientLight;
vec3 lambertFactor = max(vec3(0.0,0.0,0.0), dot(directionnalLight, fNormal) * directionnalLightFactor);
vec4 noTexColor = vec4(ambientFactor + lambertFactor, 1.0);
vec4 color = texture2D(tex, gl_TexCoord[0].st);
vec4 fragColor = noTexColor * color;
gl_FragColor = fragColor * fFrontColor;
}

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extensions/fablabchemnitz/papercraft_unfold/assets/shaders/shader.vert Normal file
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varying vec3 fNormal;
varying vec4 fTexCoord;
varying vec4 fFrontColor;
void main() {
fNormal = gl_Normal;
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
fFrontColor = gl_Color;
}

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from .geometry import Vector
import OpenGL.GLU as glu
class Camera:
"""Simple 3D camera
"""
def __init__(self, position = Vector(1.0,0.0,0.0), target = Vector(), up = Vector(0.0,1.0,0.0)):
"""Creates a simple camera
:param position: center of the camera
:param target: point where the camera is looking
:param up: up vector of the camera
"""
self.position = position
self.target = target
self.up = up
def look(self):
"""Sets the model view matrix of OpenGL
Simply calls the gluLookAt function
"""
glu.gluLookAt(
self.position.x, self.position.y, self.position.z,
self.target.x, self.target.y, self.target.z,
self.up.x, self.up.y, self.up.z)

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from .geometry import Vector
import pygame
import OpenGL.GL as gl
import math
class Controls:
"""Abstract class for controls
"""
def __init__(self):
pass
def apply(self):
"""Apply the controls modification to the model view matrix
"""
pass
def update(self, time = 10):
"""Update according to the user's inputs
"""
pass
class TrackBallControls(Controls):
"""Trackball controls
Simple trackball controls"""
def __init__(self):
"""Creates a TrackBallControls
The trackball is centered at the origin
"""
super().__init__()
self.vertex = Vector()
self.theta = 0
def apply(self):
"""Apply the rotation of the current trackball
"""
gl.glRotatef(self.theta * 180 / math.pi, self.vertex.x, self.vertex.y, self.vertex.z)
def update(self, time = 10):
"""Checks the keyboard inputs and update the angle
"""
if not pygame.mouse.get_pressed()[0]:
return
coeff = 0.001
move = pygame.mouse.get_rel()
dV = Vector(move[1] * time * coeff, move[0] * time * coeff, 0)
dTheta = dV.norm2()
if abs(dTheta) < 0.00001:
return
dV.normalize()
cosT2 = math.cos(self.theta / 2)
sinT2 = math.sin(self.theta / 2)
cosDT2 = math.cos(dTheta / 2)
sinDT2 = math.sin(dTheta / 2)
A = cosT2 * sinDT2 * dV + cosDT2 * sinT2 * self.vertex + sinDT2 * sinT2 * Vector.cross_product(dV, self.vertex)
self.theta = 2 * math.acos(cosT2 * cosDT2 - sinT2 * sinDT2 * Vector.dot(dV, self.vertex))
self.vertex = A
self.vertex.normalize()
class OrbitControls(Controls):
"""Simple OrbitControls
Similar to TrackBallControls but the up vector is preserved"""
def __init__(self):
"""Creates an OrbitControls with null angles
"""
super().__init__()
self.phi = 0
self.theta = 0
self.scale_log = 0
def apply(self):
scale = math.exp(self.scale_log)
gl.glScalef(scale, scale, scale)
gl.glRotatef(self.theta * 180 / math.pi, 1.0, 0.0, 0.0)
gl.glRotatef(self.phi * 180 / math.pi, 0.0, 1.0, 0.0)
def apply_event(self, event):
"""Manages the wheel event
:param event: a pyevent
"""
if event.type == pygame.MOUSEBUTTONDOWN:
# Wheel up
if event.button == 4:
self.scale_log += 0.1
# Wheel down
elif event.button == 5:
self.scale_log -= 0.1
def update(self, time = 10):
if not pygame.mouse.get_pressed()[0]:
return
move = pygame.mouse.get_rel()
self.theta += move[1] * 0.01
self.phi += move[0] * 0.01
self.theta = max(min(self.theta, math.pi / 2), -math.pi / 2)

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import math
class Vector:
""" 3D Vector
Simple class that represents a 3D vector
"""
def __init__(self, x = 0.0, y = 0.0, z = 0.0):
"""
Creates a vector from it's coordinates
"""
self.x = x
self.y = y
self.z = z
def from_array(self, arr):
"""
Creates a vector from an array
"""
self.x = float(arr[0]) if len(arr) > 0 else None
self.y = float(arr[1]) if len(arr) > 1 else None
self.z = float(arr[2]) if len(arr) > 2 else None
return self
def __add__(self, other):
"""
Sums two vectors
"""
return Vector(self.x + other.x, self.y + other.y, self.z + other.z)
def __sub__(self, other):
"""
Subs two vectors
"""
return Vector(self.x - other.x, self.y - other.y, self.z - other.z)
def __mul__(self, other):
"""
Computes the product between a vector and a number
"""
return Vector(self.x * other, self.y * other, self.z * other)
def __truediv__(self, number):
self.x /= number
self.y /= number
self.z /= number
return self
def __rmul__(self, other):
"""
Computes the product between a vector and a number
"""
return self.__mul__(other)
def norm2(self):
"""
Computes the square of the norm of a vector
"""
return self.x * self.x + self.y * self.y + self.z * self.z
def norm(self):
"""
Compute the norm of a vector
"""
return math.sqrt(self.norm2())
def normalize(self):
"""
Divides each coordinate of the vector by its norm
"""
norm = self.norm()
if abs(norm) > 0.0001:
self.x /= norm
self.y /= norm
self.z /= norm
def cross_product(v1, v2):
"""
Computes the cross product between the two vectors
"""
return Vector(
v1.y * v2.z - v1.z * v2.y,
v1.z * v2.x - v1.x * v2.z,
v1.x * v2.y - v1.y * v2.x)
def from_points(v1, v2):
"""
Creates a vector from two points
"""
return Vector(
v2.x - v1.x,
v2.y - v1.y,
v2.z - v1.z)
def __str__(self):
"""
Prints the coordinates of the vector between partheses
"""
return '(' + ", ".join([str(self.x), str(self.y), str(self.z)]) + ")"
def dot(self, other):
"""
Computes the dot product of two vectors
"""
return self.x * other.x + self.y * other.y + self.z * other.z

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extensions/fablabchemnitz/papercraft_unfold/d3/model/__init__.py Normal file
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from math import sqrt
from ..geometry import Vector
from .mesh import Material, MeshPart
Vertex = Vector
TexCoord = Vertex
Normal = Vertex
Color = Vertex
class FaceVertex:
"""Contains the information a vertex needs in a face
In contains the index of the vertex, the index of the texture coordinate
and the index of the normal. It is None if it is not available.
:param vertex: index of the vertex
:param tex_coord: index of the texture coordinate
:param normal: index of the normal
:param color: index of the color
"""
def __init__(self, vertex = None, tex_coord = None, normal = None, color = None):
"""Initializes a FaceVertex from its indices
"""
self.vertex = vertex
self.tex_coord = tex_coord
self.normal = normal
self.color = color
def from_array(self, arr):
"""Initializes a FaceVertex from an array
:param arr: can be an array of strings, the first value will be the
vertex index, the second will be the texture coordinate index, the
third will be the normal index, and the fourth will be the color index.
"""
self.vertex = int(arr[0]) if len(arr) > 0 else None
try:
self.tex_coord = int(arr[1]) if len(arr) > 1 else None
except:
self.tex_coord = None
try:
self.normal = int(arr[2]) if len(arr) > 2 else None
except:
self.normal = None
try:
self.color = int(arr[3]) if len(arr) > 3 else None
except:
self.color = None
return self
class Face:
"""Represents a face with 3 vertices
Faces with more than 3 vertices are not supported in this class. You should
split your face first and then create the number needed of instances of
this class.
"""
def __init__(self, a = None, b = None, c = None, material = None):
"""Initializes a Face with its three FaceVertex and its Material
:param a: first FaceVertex element
:param b: second FaceVertex element
:param c: third FaceVertex element
:param material: the material to use with this face
"""
self.a = a
self.b = b
self.c = c
self.material = material
# Expects array of array
def from_array(self, arr):
"""Initializes a Face with an array
:param arr: should be an array of array of objects. Each array will
represent a FaceVertex
"""
self.a = FaceVertex().from_array(arr[0])
self.b = FaceVertex().from_array(arr[1])
self.c = FaceVertex().from_array(arr[2])
return self
class ModelParser:
"""Represents a 3D model
"""
def __init__(self, up_conversion = None):
"""Initializes the model
:param up_conversion: couple of characters, can be y z or z y
"""
self.up_conversion = up_conversion
self.vertices = []
self.colors = []
self.normals = []
self.tex_coords = []
self.parts = []
self.materials = []
self.current_part = None
self.path = None
def init_textures(self):
"""Initializes the textures of the parts of the model
Basically, calls glGenTexture on each texture
"""
for part in self.parts:
part.init_texture()
def add_vertex(self, vertex):
"""Adds a vertex to the current model
Will also update its bounding box, and convert the up vector if
up_conversion was specified.
:param vertex: vertex to add to the model
"""
# Apply up_conversion to the vertex
new_vertex = vertex
if self.up_conversion is not None:
if self.up_conversion[0] == 'y' and self.up_conversion[1] == 'z':
new_vertex = Vector(vertex.y, vertex.z, vertex.x)
elif self.up_conversion[0] == 'z' and self.up_conversion[1] == 'y':
new_vertex = Vector(vertex.z, vertex.x, vertex.y)
self.vertices.append(new_vertex)
def add_tex_coord(self, tex_coord):
"""Adds a texture coordinate element to the current model
:param tex_coord: tex_coord to add to the model
"""
self.tex_coords.append(tex_coord)
def add_normal(self, normal):
"""Adds a normal element to the current model
:param normal: normal to add to the model
"""
self.normals.append(normal)
def add_color(self, color):
"""Adds a color element to the current model
:param color: color to add to the model
"""
self.colors.append(color)
def add_face(self, face):
"""Adds a face to the current model
If the face has a different material than the current material, it will
create a new mesh part and update the current material.
:param face: face to add to the model
"""
if self.current_part is None or (face.material != self.current_part.material and face.material is not None):
self.current_part = MeshPart(self)
self.current_part.material = face.material if face.material is not None else Material.DEFAULT_MATERIAL
self.parts.append(self.current_part)
self.current_part.add_face(face)
def parse_file(self, path, chunk_size = 512):
"""Sets the path of the model and parse bytes by chunk
:param path: path to the file to parse
:param chunk_size: the file will be read chunk by chunk, each chunk
having chunk_size bytes
"""
self.path = path
byte_counter = 0
with open(path, 'rb') as f:
while True:
bytes = f.read(chunk_size)
if bytes == b'':
return
self.parse_bytes(bytes, byte_counter)
byte_counter += chunk_size
def draw(self):
"""Draws each part of the model with OpenGL
"""
import OpenGL.GL as gl
for part in self.parts:
part.draw()
def generate_vbos(self):
"""Generates the VBOs of each part of the model
"""
for part in self.parts:
part.generate_vbos()
def generate_vertex_normals(self):
"""Generate the normals for each vertex of the model
A normal will be the average normal of the adjacent faces of a vertex.
"""
self.normals = [Normal() for i in self.vertices]
for part in self.parts:
for face in part.faces:
v1 = Vertex.from_points(self.vertices[face.a.vertex], self.vertices[face.b.vertex])
v2 = Vertex.from_points(self.vertices[face.a.vertex], self.vertices[face.c.vertex])
v1.normalize()
v2.normalize()
cross = Vertex.cross_product(v1, v2)
self.normals[face.a.vertex] += cross
self.normals[face.b.vertex] += cross
self.normals[face.c.vertex] += cross
for normal in self.normals:
normal.normalize()
for part in self.parts:
for face in part.faces:
face.a.normal = face.a.vertex
face.b.normal = face.b.vertex
face.c.normal = face.c.vertex
def generate_face_normals(self):
"""Generate the normals for each face of the model
A normal will be the normal of the face
"""
# Build array of faces
faces = sum(map(lambda x: x.faces, self.parts), [])
self.normals = [Normal()] * len(faces)
for (index, face) in enumerate(faces):
v1 = Vertex.from_points(self.vertices[face.a.vertex], self.vertices[face.b.vertex])
v2 = Vertex.from_points(self.vertices[face.a.vertex], self.vertices[face.c.vertex])
cross = Vertex.cross_product(v1, v2)
cross.normalize()
self.normals[index] = cross
face.a.normal = index
face.b.normal = index
face.c.normal = index
def get_material_index(self, material):
"""Finds the index of the given material
:param material: Material you want the index of
"""
return [i for (i,m) in enumerate(self.materials) if m.name == material.name][0]
class TextModelParser(ModelParser):
def parse_file(self, path):
"""Sets the path of the model and parse each line
:param path: path to the text file to parse
"""
self.path = path
with open(path) as f:
for line in f.readlines():
line = line.rstrip()
if line != '':
self.parse_line(line)
class BoundingBox:
"""Represents a bounding box of a 3D model
"""
def __init__(self):
"""Initializes the coordinates of the bounding box
"""
self.min_x = +float('inf')
self.min_y = +float('inf')
self.min_z = +float('inf')
self.max_x = -float('inf')
self.max_y = -float('inf')
self.max_z = -float('inf')
def add(self, vector):
"""Adds a vector to a bounding box
If the vector is outside the bounding box, the bounding box will be
enlarged, otherwise, nothing will happen.
:param vector: the vector that will enlarge the bounding box
"""
self.min_x = min(self.min_x, vector.x)
self.min_y = min(self.min_y, vector.y)
self.min_z = min(self.min_z, vector.z)
self.max_x = max(self.max_x, vector.x)
self.max_y = max(self.max_y, vector.y)
self.max_z = max(self.max_z, vector.z)
def __str__(self):
"""Returns a string that represents the bounding box
"""
return "[{},{}],[{},{}],[{},{}]".format(
self.min_x,
self.min_y,
self.min_z,
self.max_x,
self.max_y,
self.max_z)
def get_center(self):
"""Returns the center of the bounding box
"""
return Vertex(
(self.min_x + self.max_x) / 2,
(self.min_y + self.max_y) / 2,
(self.min_z + self.max_z) / 2)
def get_scale(self):
"""Returns the maximum edge of the bounding box
"""
return max(
abs(self.max_x - self.min_x),
abs(self.max_y - self.min_y),
abs(self.max_z - self.min_z))
class Exporter:
"""Represents an object that can export a model into a certain format
"""
def __init__(self, model):
"""Creates a exporter for the model
:param model: model to export
"""
self.model = model

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from os.path import dirname, basename, isfile
import glob
modules = glob.glob(dirname(__file__)+"/*.py")
__all__ = [ basename(f)[:-3] for f in modules if isfile(f)]

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extensions/fablabchemnitz/papercraft_unfold/d3/model/formats/obj.py Normal file
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from ..basemodel import TextModelParser, Exporter, Vertex, TexCoord, Normal, FaceVertex, Face
from ..mesh import Material, MeshPart
from functools import reduce
import os.path
import sys
def is_obj(filename):
"""Checks that the file is a .obj file
Only checks the extension of the file
:param filename: path to the file
"""
return filename[-4:] == '.obj'
class OBJParser(TextModelParser):
"""Parser that parses a .obj file
"""
def __init__(self, up_conversion = None):
super().__init__(up_conversion)
self.current_material = None
self.mtl = None
self.vertex_offset = 0
def parse_line(self, string):
"""Parses a line of .obj file
:param string: the line to parse
"""
if string == '':
return
split = string.split()
first = split[0]
split = split[1:]
if first == 'usemtl' and self.mtl is not None:
self.current_material = self.mtl[split[0]]
elif first == 'mtllib':
path = os.path.join(os.path.dirname(self.path), ' '.join(split[:]))
if os.path.isfile(path):
self.mtl = MTLParser(self)
self.mtl.parse_file(path)
else:
print('Warning : ' + path + ' not found ', file=sys.stderr)
elif first == 'v':
self.add_vertex(Vertex().from_array(split))
elif first == 'vn':
self.add_normal(Normal().from_array(split))
elif first == 'vt':
self.add_tex_coord(TexCoord().from_array(split))
elif first == 'f':
splits = list(map(lambda x: x.split('/'), split))
for i in range(len(splits)):
for j in range(len(splits[i])):
if splits[i][j] != '':
splits[i][j] = int(splits[i][j])
if splits[i][j] > 0:
splits[i][j] -= 1
else:
splits[i][j] = len(self.vertices) + splits[i][j]
# if Face3
if len(split) == 3:
face = Face().from_array(splits)
face.material = self.current_material
self.add_face(face)
# Face4 are well supported with the next stuff
# elif len(split) == 4:
# face = Face().from_array(splits[:3])
# face.material = self.current_material
# self.add_face(face)
# face = Face().from_array([splits[0], splits[2], splits[3]])
# face.material = self.current_material
# self.add_face(face)
else:
# Bweeee
# First, lets compute all the FaceVertex for each vertex
face_vertices = []
for face_vertex in splits[:]:
face_vertices.append(FaceVertex(*face_vertex))
# Then, we build the faces 0 i i+1 for each 1 <= i < len - 1
for i in range(1, len(face_vertices) - 1):
# Create face with barycenter, i and i + 1
face = Face(face_vertices[0], face_vertices[i], face_vertices[i+1])
face.material = self.current_material
self.add_face(face)
class MTLParser:
"""Parser that parses a .mtl material file
"""
def __init__(self, parent):
"""Creates a MTLParser bound to the OBJParser
:param parent: the OBJParser this MTLParser refers to
"""
self.parent = parent
self.current_mtl = None
def parse_line(self, string):
"""Parses a line of .mtl file
:param string: line to parse
"""
if string == '':
return
split = string.split()
first = split[0]
split = split[1:]
if first == 'newmtl':
self.current_mtl = Material(' '.join(split[:]))
self.parent.materials.append(self.current_mtl)
elif first == 'Ka':
self.current_mtl.Ka = Vertex().from_array(split)
elif first == 'Kd':
self.current_mtl.Kd = Vertex().from_array(split)
elif first == 'Ks':
self.current_mtl.Ks = Vertex().from_array(split)
elif first == 'map_Kd':
self.current_mtl.relative_path_to_texture = ' '.join(split)
self.current_mtl.absolute_path_to_texture = os.path.join(os.path.dirname(self.parent.path), ' '.join(split))
def parse_file(self, path):
with open(path) as f:
for line in f.readlines():
line = line.rstrip()
self.parse_line(line)
def __getitem__(self, key):
for material in self.parent.materials:
if material.name == key:
return material
class OBJExporter(Exporter):
"""Exporter to .obj format
"""
def __init__(self, model):
"""Creates an exporter from the model
:param model: Model to export
"""
super().__init__(model)
def __str__(self):
"""Exports the model
"""
current_material = ''
string = ""
for vertex in self.model.vertices:
string += "v " + ' '.join([str(vertex.x), str(vertex.y), str(vertex.z)]) + "\n"
string += "\n"
if len(self.model.tex_coords) > 0:
for tex_coord in self.model.tex_coords:
string += "vt " + ' '.join([str(tex_coord.x), str(tex_coord.y)]) + "\n"
string += "\n"
if len(self.model.normals) > 0:
for normal in self.model.normals:
string += "vn " + ' '.join([str(normal.x), str(normal.y), str(normal.z)]) + "\n"
string += "\n"
faces = sum(map(lambda x: x.faces, self.model.parts), [])
for face in faces:
if face.material is not None and face.material.name != current_material:
current_material = face.material.name
string += "usemtl " + current_material + "\n"
string += "f "
arr = []
for v in [face.a, face.b, face.c]:
sub_arr = []
sub_arr.append(str(v.vertex + 1))
if v.normal is None:
if v.tex_coord is not None:
sub_arr.append('')
sub_arr.append(str(v.tex_coord + 1))
elif v.tex_coord is not None:
sub_arr.append(str(v.tex_coord + 1))
if v.normal is not None:
sub_arr.append(str(v.normal + 1))
arr.append('/'.join(sub_arr))
string += ' '.join(arr) + '\n'
return string

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extensions/fablabchemnitz/papercraft_unfold/d3/model/formats/off.py Normal file
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from ..basemodel import TextModelParser, Exporter, Vertex, TexCoord, Normal, FaceVertex, Face
from ..mesh import Material, MeshPart
def is_off(filename):
"""Checks that the file is a .off file
Only checks the extension of the file
:param filename: path to the file
"""
return filename[-4:] == '.off'
class OFFParser(TextModelParser):
"""Parser that parses a .off file
"""
def __init__(self, up_conversion = None):
super().__init__(up_conversion)
self.vertex_number = None
self.face_number = None
self.edge_number = None
def parse_line(self, string):
"""Parses a line of .off file
:param string: the line to parse
"""
split = string.split()
if string == '' or string == 'OFF':
pass
elif self.vertex_number is None:
# The first will be the header
self.vertex_number = int(split[0])
self.face_number = int(split[1])
self.edge_number = int(split[2])
elif len(self.vertices) < self.vertex_number:
self.add_vertex(Vertex().from_array(split))
else:
self.add_face(Face(FaceVertex(int(split[1])), FaceVertex(int(split[2])), FaceVertex(int(split[3]))))
class OFFExporter(Exporter):
"""Exporter to .off format
"""
def __init__(self, model):
"""Creates an exporter from the model
:param model: Model to export
"""
super().__init__(model)
def __str__(self):
"""Exports the model
"""
faces = sum(map(lambda x: x.faces, self.model.parts), [])
string = "OFF\n{} {} {}".format(len(self.model.vertices), len(faces), 0) + '\n'
for vertex in self.model.vertices:
string += ' '.join([str(vertex.x), str(vertex.y), str(vertex.z)]) + '\n'
for face in faces:
string += '3 ' + ' '.join([str(face.a.vertex), str(face.b.vertex), str(face.c.vertex)]) + '\n'
return string

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extensions/fablabchemnitz/papercraft_unfold/d3/model/formats/ply.py Normal file
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import os
import sys
import struct
from ..basemodel import ModelParser, TextModelParser, Exporter, Vertex, Face, Color, FaceVertex, TexCoord, Material
class UnkownTypeError(Exception):
def __init__(self, message):
self.message = message
def is_ply(filename):
"""Checks that the file is a .ply file
Only checks the extension of the file
:param filename: path to the file
"""
return filename[-4:] == '.ply'
# List won't work with this function
def _ply_type_size(type):
"""Returns the size of a ply property
:param type: a string that is in a ply element
"""
if type == 'char' or type == 'uchar':
return 1
elif type == 'short' or type == 'ushort':
return 2
elif type == 'int' or type == 'uint':
return 4
elif type == 'float':
return 4
elif type == 'double':
return 8
else:
raise UnkownTypeError('Type ' + type + ' is unknown')
def ply_type_size(type):
"""Returns the list containing the sizes of the elements
:param type: a string that is in a ply element
"""
split = type.split()
if len(split) == 1:
return [_ply_type_size(type)]
else:
if split[0] != 'list':
print('You have multiple types but it\'s not a list...', file=sys.stderr)
sys.exit(-1)
else:
return list(map(lambda a: _ply_type_size(a), split[1:]))
def bytes_to_element(type, bytes, byteorder = 'little'):
"""Returns a python object parsed from bytes
:param type: the type of the object to parse
:param bytes: the bytes to read
:param byteorder: little or big endian
"""
if type == 'char':
return ord(struct.unpack('<b', bytes)[0])
if type == 'uchar':
return ord(struct.unpack('<c', bytes)[0])
elif type == 'short':
return struct.unpack('<h', bytes)[0]
elif type == 'ushort':
return struct.unpack('<H', bytes)[0]
elif type == 'int':
return struct.unpack('<i', bytes)[0]
elif type == 'uint':
return struct.unpack('<I', bytes)[0]
elif type == 'float':
return struct.unpack('<f', bytes)[0]
elif type == 'double':
return struct.unpack('<d', bytes)[0]
else:
raise UnkownTypeError('Type ' + type + ' is unknown')
class PLYParser(ModelParser):
"""Parser that parses a .ply file
"""
def __init__(self, up_conversion = None):
super().__init__(up_conversion)
self.counter = 0
self.elements = []
self.inner_parser = PLYHeaderParser(self)
self.beginning_of_line = ''
self.header_finished = False
def parse_bytes(self, bytes, byte_counter):
"""Parses bytes of a .ply file
"""
if self.header_finished:
self.inner_parser.parse_bytes(self.beginning_of_line + bytes, byte_counter - len(self.beginning_of_line))
self.beginning_of_line = b''
return
# Build lines for header and use PLYHeaderParser
current_line = self.beginning_of_line
for (i, c) in enumerate(bytes):
char = chr(c)
if char == '\n':
self.inner_parser.parse_line(current_line)
if current_line == 'end_header':
self.header_finished = True
self.beginning_of_line = bytes[i+1:]
return
current_line = ''
else:
current_line += chr(c)
self.beginning_of_line = current_line
class PLYHeaderParser:
"""Parser that parses the header of a .ply file
"""
def __init__(self, parent):
self.current_element = None
self.parent = parent
self.content_parser = None
def parse_line(self, string):
split = string.split()
if string == 'ply':
return
elif split[0] == 'format':
if split[2] != '1.0':
print('Only format 1.0 is supported', file=sys.stderr)
sys.exit(-1)
if split[1] == 'ascii':
self.content_parser = PLY_ASCII_ContentParser(self.parent)
elif split[1] == 'binary_little_endian':
self.content_parser = PLYLittleEndianContentParser(self.parent)
elif split[1] == 'binary_big_endian':
self.content_parser = PLYBigEndianContentParser(self.parent)
else:
print('Only ascii, binary_little_endian and binary_big_endian are supported', \
file=sys.stderr)
sys.exit(-1)
elif split[0] == 'element':
self.current_element = PLYElement(split[1], int(split[2]))
self.parent.elements.append(self.current_element)
elif split[0] == 'property':
self.current_element.add_property(split[-1], ' '.join(split[1:-1]))
elif split[0] == 'end_header':
self.parent.inner_parser = self.content_parser
elif split[0] == 'comment' and split[1] == 'TextureFile':
material = Material('mat' + str(len(self.parent.materials)))
self.parent.materials.append(material)
material.relative_path_to_texture = split[2]
material.absolute_path_to_texture = os.path.join(os.path.dirname(self.parent.path), split[2])
class PLYElement:
def __init__(self, name, number):
self.name = name
self.number = number
self.properties = []
def add_property(self, name, type):
self.properties.append((name, type))
class PLY_ASCII_ContentParser:
def __init__(self, parent):
self.parent = parent
self.element_index = 0
self.counter = 0
self.current_element = None
self.beginning_of_line = ''
def parse_bytes(self, bytes, byte_counter):
current_line = self.beginning_of_line
for (i, c) in enumerate(bytes):
char = chr(c)
if char == '\n':
self.parse_line(current_line)
current_line = ''
else:
current_line += chr(c)
self.beginning_of_line = current_line
def parse_line(self, string):
if string == '':
return
if self.current_element is None:
self.current_element = self.parent.elements[0]
split = string.split()
color = None
if self.current_element.name == 'vertex':
vertex = Vertex()
red = None
blue = None
green = None
alpha = None
offset = 0
for property in self.current_element.properties:
if property[0] == 'x':
vertex.x = float(split[offset])
elif property[0] == 'y':
vertex.y = float(split[offset])
elif property[0] == 'z':
vertex.z = float(split[offset])
elif property[0] == 'red':
red = float(split[offset]) / 255
elif property[0] == 'green':
green = float(split[offset]) / 255
elif property[0] == 'blue':
blue = float(split[offset]) / 255
elif property[0] == 'alpha':
alpha = float(split[offset]) / 255
offset += 1
self.parent.add_vertex(vertex)
if red is not None:
color = Color(red, blue, green)
self.parent.add_color(color)
elif self.current_element.name == 'face':
faceVertexArray = []
current_material = None
# Analyse element
offset = 0
for property in self.current_element.properties:
if property[0] == 'vertex_indices':
for i in range(int(split[offset])):
faceVertexArray.append(FaceVertex(int(split[i+offset+1])))
offset += int(split[0]) + 1
elif property[0] == 'texcoord':
offset += 1
for i in range(3):
# Create corresponding tex_coords
tex_coord = TexCoord().from_array(split[offset:offset+2])
offset += 2
self.parent.add_tex_coord(tex_coord)
faceVertexArray[i].tex_coord = len(self.parent.tex_coords) - 1
elif property[0] == 'texnumber':
current_material = self.parent.materials[int(split[offset])]
offset += 1
face = Face(*faceVertexArray)
face.material = current_material
self.parent.add_face(face)
self.counter += 1
if self.counter == self.current_element.number:
self.next_element()
def next_element(self):
self.element_index += 1
if self.element_index < len(self.parent.elements):
self.current_element = self.parent.elements[self.element_index]
class PLYLittleEndianContentParser:
def __init__(self, parent):
self.parent = parent
self.previous_bytes = b''
self.element_index = 0
self.counter = 0
self.current_element = None
self.started = False
# Serves for debugging purposes
# self.current_byte = 0
def parse_bytes(self, bytes, byte_counter):
if not self.started:
# self.current_byte = byte_counter
self.started = True
if self.current_element is None:
self.current_element = self.parent.elements[0]
bytes = self.previous_bytes + bytes
current_byte_index = 0
while True:
property_values = []
beginning_byte_index = current_byte_index
for property in self.current_element.properties:
size = ply_type_size(property[1])
if current_byte_index + size[0] > len(bytes):
self.previous_bytes = bytes[beginning_byte_index:]
# self.current_byte -= len(self.previous_bytes)
return
if len(size) == 1:
size = size[0]
current_property_bytes = bytes[current_byte_index:current_byte_index+size]
property_values.append(bytes_to_element(property[1], current_property_bytes))
current_byte_index += size
# self.current_byte += size
elif len(size) == 2:
types = property[1].split()[1:]
current_property_bytes = bytes[current_byte_index:current_byte_index+size[0]]
number_of_elements = bytes_to_element(types[0], current_property_bytes)
current_byte_index += size[0]
# self.current_byte += size[0]
property_values.append([])
# Parse list
for i in range(number_of_elements):
if current_byte_index + size[1] > len(bytes):
self.previous_bytes = bytes[beginning_byte_index:]
# self.current_byte -= len(self.previous_bytes)
return
current_property_bytes = bytes[current_byte_index:current_byte_index+size[1]]
property_values[-1].append(bytes_to_element(types[1], current_property_bytes))
current_byte_index += size[1]
# self.current_byte += size[1]
else:
print('I have not idea what this means', file=sys.stderr)
# Add element
if self.current_element.name == 'vertex':
vertex = Vertex()
red = None
green = None
blue = None
alpha = None
offset = 0
for property in self.current_element.properties:
if property[0] == 'x':
vertex.x = property_values[offset]
elif property[0] == 'y':
vertex.y = property_values[offset]
elif property[0] == 'z':
vertex.z = property_values[offset]
elif property[0] == 'red':
red = property_values[offset] / 255
elif property[0] == 'green':
green = property_values[offset] / 255
elif property[0] == 'blue':
blue = property_values[offset] / 255
elif property[0] == 'alpha':
alpha = property_values[offset] / 255
offset += 1
self.parent.add_vertex(vertex)
if red is not None:
self.parent.add_color(Color(red, blue, green))
elif self.current_element.name == 'face':
vertex_indices = []
tex_coords = []
material = None
for (i, property) in enumerate(self.current_element.properties):
if property[0] == 'vertex_indices':
vertex_indices.append(property_values[i][0])
vertex_indices.append(property_values[i][1])
vertex_indices.append(property_values[i][2])
elif property[0] == 'texcoord':
# Create texture coords
for j in range(0,6,2):
tex_coord = TexCoord(*property_values[i][j:j+2])
tex_coords.append(tex_coord)
elif property[0] == 'texnumber':
material = self.parent.materials[property_values[i]]
for tex_coord in tex_coords:
self.parent.add_tex_coord(tex_coord)
face = Face(*list(map(lambda x: FaceVertex(x), vertex_indices)))
counter = 3
if len(tex_coords) > 0:
for face_vertex in [face.a, face.b, face.c]:
face_vertex.tex_coord = len(self.parent.tex_coords) - counter
counter -= 1
if material is None and len(self.parent.materials) == 1:
material = self.parent.materials[0]
face.material = material
self.parent.add_face(face)
self.counter += 1
if self.counter == self.current_element.number:
self.next_element()
def next_element(self):
self.counter = 0
self.element_index += 1
if self.element_index < len(self.parent.elements):
self.current_element = self.parent.elements[self.element_index]
class PLYBigEndianContentParser(PLYLittleEndianContentParser):
def __init__(self, parent):
super().__init__(self, parent)
def parse_bytes(self, bytes):
# Reverse bytes, and then
super().parse_bytes(self, bytes)
class PLYExporter(Exporter):
def __init__(self, model):
super().__init__(model)
def __str__(self):
faces = sum([part.faces for part in self.model.parts], [])
# Header
string = "ply\nformat ascii 1.0\ncomment Automatically gnerated by model-converter\n"
for material in self.model.materials:
string += "comment TextureFile " + (material.relative_path_to_texture or 'None') + "\n"
# Types : vertices
string += "element vertex " + str(len(self.model.vertices)) +"\n"
string += "property float x\nproperty float y\nproperty float z\n"
# Types : faces
string += "element face " + str(len(faces)) + "\n"
string += "property list uchar int vertex_indices\n"
if len(self.model.tex_coords) > 0:
string += "property list uchar float texcoord\n"
string += "property int texnumber\n"
# End header
string += "end_header\n"
# Content of the model
for vertex in self.model.vertices:
string += str(vertex.x) + " " + str(vertex.y) + " " + str(vertex.z) + "\n"
for face in faces:
string += "3 " + str(face.a.vertex) + " " + str(face.b.vertex) + " " + str(face.c.vertex)
if len(self.model.tex_coords) > 0:
string += " 6 " \
+ str(self.model.tex_coords[face.a.tex_coord].x) + " " \
+ str(self.model.tex_coords[face.a.tex_coord].y) + " " \
+ str(self.model.tex_coords[face.b.tex_coord].x) + " " \
+ str(self.model.tex_coords[face.b.tex_coord].y) + " " \
+ str(self.model.tex_coords[face.c.tex_coord].x) + " " \
+ str(self.model.tex_coords[face.c.tex_coord].y) + " " \
+ str(self.model.get_material_index(face.material))
string += "\n"
return string

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from ..basemodel import TextModelParser, Exporter, Vertex, FaceVertex, Face
from ..mesh import MeshPart
import os.path
def is_stl(filename):
"""Checks that the file is a .stl file
Only checks the extension of the file
:param filename: path to the file
"""
return filename[-4:] == '.stl'
class STLParser(TextModelParser):
"""Parser that parses a .stl file
"""
def __init__(self, up_conversion = None):
super().__init__(up_conversion)
self.parsing_solid = False
self.parsing_face = False
self.parsing_loop = False
self.current_face = None
self.face_vertices = None
def parse_line(self, string):
"""Parses a line of .stl file
:param string: the line to parse
"""
if string == '':
return
split = string.split()
if split[0] == 'solid':
self.parsing_solid = True
return
if split[0] == 'endsolid':
self.parsing_solid = False
return
if self.parsing_solid:
if split[0] == 'facet' and split[1] == 'normal':
self.parsing_face = True
self.face_vertices = [FaceVertex(), FaceVertex(), FaceVertex()]
self.current_face = Face(*self.face_vertices)
return
if self.parsing_face:
if split[0] == 'outer' and split[1] == 'loop':
self.parsing_loop = True
return
if split[0] == 'endloop':
self.parsing_loop = False
return
if self.parsing_loop:
if split[0] == 'vertex':
current_vertex = Vertex().from_array(split[1:])
self.add_vertex(current_vertex)
self.face_vertices[0].vertex = len(self.vertices) - 1
self.face_vertices.pop(0)
return
if split[0] == 'endfacet':
self.parsing_face = False
self.add_face(self.current_face)
self.current_face = None
self.face_vertices = None
class STLExporter(Exporter):
"""Exporter to .stl format
"""
def __init__(self, model):
"""Creates an exporter from the model
:param model: Model to export
"""
super().__init__(model)
super().__init__(model)
def __str__(self):
"""Exports the model
"""
string = 'solid {}\n'.format(os.path.basename(self.model.path[:-4]))
self.model.generate_face_normals()
faces = sum(map(lambda x: x.faces, self.model.parts), [])
for face in faces:
n = self.model.normals[face.a.normal]
v1 = self.model.vertices[face.a.vertex]
v2 = self.model.vertices[face.b.vertex]
v3 = self.model.vertices[face.c.vertex]
string += "facet normal {} {} {}\n".format(n.x, n.y, n.z)
string += "\touter loop\n"
string += "\t\tvertex {} {} {}\n".format(v1.x, v1.y, v1.z)
string += "\t\tvertex {} {} {}\n".format(v2.x, v2.y, v2.z)
string += "\t\tvertex {} {} {}\n".format(v3.x, v3.y, v3.z)
string += "\tendloop\n"
string += "endfacet\n"
string += 'endsolid {}'.format(os.path.basename(self.model.path[:-4]))
return string

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class Material:
"""Represents a material
It contains its constants and its texturess. It is also usable with OpenGL
"""
def __init__(self, name):
""" Creates an empty material
:param name: name of the material:
"""
self.name = name
self.Ka = None
self.Kd = None
self.Ks = None
self.relative_path_to_texture = None
self.absolute_path_to_texture = None
self.im = None
self.id = None
def init_texture(self):
""" Initializes the OpenGL texture of the current material
To be simple, calls glGenTextures and stores the given id
"""
import OpenGL.GL as gl
# Already initialized
if self.id is not None:
return
# If no map_Kd, nothing to do
if self.im is None:
if self.absolute_path_to_texture is None:
return
try:
import PIL.Image
self.im = PIL.Image.open(self.absolute_path_to_texture)
except ImportError:
return
try:
ix, iy, image = self.im.size[0], self.im.size[1], self.im.tobytes("raw", "RGBA", 0, -1)
except:
ix, iy, image = self.im.size[0], self.im.size[1], self.im.tobytes("raw", "RGBX", 0, -1)
self.id = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.id)
gl.glPixelStorei(gl.GL_UNPACK_ALIGNMENT,1)
gl.glTexImage2D(
gl.GL_TEXTURE_2D, 0, 3, ix, iy, 0,
gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, image
)
def bind(self):
"""Binds the material to OpenGL
"""
from OpenGL import GL as gl
gl.glEnable(gl.GL_TEXTURE_2D)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_NEAREST)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_NEAREST)
gl.glTexEnvf(gl.GL_TEXTURE_ENV, gl.GL_TEXTURE_ENV_MODE, gl.GL_DECAL)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.id)
def unbind(self):
"""Disables the GL_TEXTURE_2D flag of OpenGL
"""
from OpenGL import GL as gl
gl.glDisable(gl.GL_TEXTURE_2D)
Material.DEFAULT_MATERIAL=Material('')
"""Material that is used when no material is specified
"""
Material.DEFAULT_MATERIAL.Ka = 1.0
Material.DEFAULT_MATERIAL.Kd = 0.0
Material.DEFAULT_MATERIAL.Ks = 0.0
try:
import PIL.Image
Material.DEFAULT_MATERIAL.im = PIL.Image.new("RGBA", (1,1), "white")
except ImportError:
pass
class MeshPart:
"""A part of a 3D model that is bound to a single material
"""
def __init__(self, parent):
"""Creates a mesh part
:param parent: the global model with all the information
"""
self.parent = parent
self.material = None
self.vertex_vbo = None
self.tex_coord_vbo = None
self.normal_vbo = None
self.color_vbo = None
self.faces = []
def init_texture(self):
"""Initializes the material of the current parent
"""
if self.material is not None:
self.material.init_texture()
def add_face(self, face):
"""Adds a face to this MeshPart
:param face: face to add
"""
self.faces.append(face)
def generate_vbos(self):
"""Generates the vbo for this MeshPart
Creates the arrays that are necessary for smooth rendering
"""
from OpenGL.arrays import vbo
from numpy import array
# Build VBO
v = []
n = []
t = []
c = []
for face in self.faces:
v1 = self.parent.vertices[face.a.vertex]
v2 = self.parent.vertices[face.b.vertex]
v3 = self.parent.vertices[face.c.vertex]
v += [[v1.x, v1.y, v1.z], [v2.x, v2.y, v2.z], [v3.x, v3.y, v3.z]]
if face.a.normal is not None:
n1 = self.parent.normals[face.a.normal]
n2 = self.parent.normals[face.b.normal]
n3 = self.parent.normals[face.c.normal]
n += [[n1.x, n1.y, n1.z], [n2.x, n2.y, n2.z], [n3.x, n3.y, n3.z]]
if face.a.tex_coord is not None:
t1 = self.parent.tex_coords[face.a.tex_coord]
t2 = self.parent.tex_coords[face.b.tex_coord]
t3 = self.parent.tex_coords[face.c.tex_coord]
t += [[t1.x, t1.y], [t2.x, t2.y], [t3.x, t3.y]]
if len(self.parent.colors) > 0: # face.a.color is not None:
c1 = self.parent.colors[face.a.vertex]
c2 = self.parent.colors[face.b.vertex]
c3 = self.parent.colors[face.c.vertex]
c += [[c1.x, c1.y, c1.z], [c2.x, c2.y, c2.z], [c3.x, c3.y, c3.z]]
self.vertex_vbo = vbo.VBO(array(v, 'f'))
if len(n) > 0:
self.normal_vbo = vbo.VBO(array(n, 'f'))
if len(t) > 0:
self.tex_coord_vbo = vbo.VBO(array(t, 'f'))
if len(c) > 0:
self.color_vbo = vbo.VBO(array(c, 'f'))
def draw(self):
"""Draws the current MeshPart
Binds the material, and draws the model
"""
if self.material is not None:
self.material.bind()
if self.vertex_vbo is not None:
self.draw_from_vbos()
else:
self.draw_from_arrays()
if self.material is not None:
self.material.unbind()
def draw_from_vbos(self):
"""Simply calls the OpenGL drawArrays function
Sets the correct vertex arrays and draws the part
"""
import OpenGL.GL as gl
self.vertex_vbo.bind()
gl.glEnableClientState(gl.GL_VERTEX_ARRAY);
gl.glVertexPointerf(self.vertex_vbo)
self.vertex_vbo.unbind()
if self.normal_vbo is not None:
self.normal_vbo.bind()
gl.glEnableClientState(gl.GL_NORMAL_ARRAY)
gl.glNormalPointerf(self.normal_vbo)
self.normal_vbo.unbind()
if self.tex_coord_vbo is not None:
if self.material is not None:
self.material.bind()
self.tex_coord_vbo.bind()
gl.glEnableClientState(gl.GL_TEXTURE_COORD_ARRAY)
gl.glTexCoordPointerf(self.tex_coord_vbo)
self.tex_coord_vbo.unbind()
if self.color_vbo is not None:
self.color_vbo.bind()
gl.glEnableClientState(gl.GL_COLOR_ARRAY)
gl.glColorPointerf(self.color_vbo)
self.color_vbo.unbind()
gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(self.vertex_vbo.data) * 9)
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
gl.glDisableClientState(gl.GL_NORMAL_ARRAY)
gl.glDisableClientState(gl.GL_TEXTURE_COORD_ARRAY)
gl.glDisableClientState(gl.GL_COLOR_ARRAY)
def draw_from_arrays(self):
pass

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extensions/fablabchemnitz/papercraft_unfold/d3/model/tools.py Normal file
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import os
from importlib import import_module
from . import formats
from .formats import *
from .basemodel import ModelParser, Exporter
from types import ModuleType
supported_formats = []
class ModelType:
"""Represents a type of coding of 3D object, and the module enabling
parsing and exporting
"""
def __init__(self, typename, inner_module):
"""Creates a ModelType
:param typename: the name of the 3D format
:param inner_module: the module that will parse and export the format
"""
self.typename = typename
self.inner_module = inner_module
def test_type(self, file):
"""Tests if a file has the correct type
:param file: path to the file to test
"""
return getattr(self.inner_module, 'is_' + self.typename)(file)
def create_parser(self, *args, **kwargs):
"""Creates a parser of the current type
"""
return getattr(self.inner_module, self.typename.upper() + 'Parser')(*args, **kwargs)
def create_exporter(self, *args, **kwargs):
"""Creates an exporter of the current type
"""
return getattr(self.inner_module, self.typename.upper() + 'Exporter')(*args, **kwargs)
def find_type(filename, supported_formats):
"""Find the correct type from a filename
:param filename: path to the file
:param supported_formats: list of formats that we have modules for
"""
for type in supported_formats:
if type.test_type(filename):
return type
for name in formats.__dict__:
if isinstance(formats.__dict__[name], ModuleType) and name != 'glob':
type = ModelType(name, formats.__dict__[name])
supported_formats.append(type)
def load_model(path, up_conversion = None):
"""Loads a model from a path
:param path: path to the file to load
:param up_conversion: conversion of up vectors
"""
parser = None
type = find_type(path, supported_formats)
if type is None:
raise Exception("File format not supported \"" + str(type) + "\"")
parser = type.create_parser(up_conversion)
parser.parse_file(path)
return parser
def export_model(model, path):
"""Exports a model to a path
:param model: model to export
:param path: path to save the model
"""
exporter = None
type = find_type(path, supported_formats)
if type is None:
raise Exception('File format is not supported')
exporter = type.create_exporter(model)
return exporter
def convert(input, output, up_conversion = None):
"""Converts a model
:param input: path of the input model
:param output: path to the output
:param up_conversion: convert the up vector
"""
model = load_model(input, up_conversion)
exporter = export_model(model, output)
return str(exporter)

53
extensions/fablabchemnitz/papercraft_unfold/d3/shader.py Normal file
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@ -0,0 +1,53 @@
import os
dir_path = os.path.dirname(os.path.realpath(__file__))
import OpenGL.GL as gl
import OpenGL.GL.shaders as sh
default_vertex_path = dir_path + '/../assets/shaders/shader.vert'
default_fragment_path = dir_path + '/../assets/shaders/shader.frag'
class Shader:
"""Shader
Loads, compile and binds the shader that are in the assets/shaders
directory
"""
def __init__(self, vertex_path = default_vertex_path, fragment_path = default_fragment_path):
"""Creates a shader object, and compile it
:param vertex_path: path to the vertex shader
:param fragment_path: path to the fragment shader
"""
with open(vertex_path) as f:
self.vertex_src = f.read()
with open(fragment_path) as f:
self.fragment_src = f.read()
self.compile_shaders()
self.compile_program()
def compile_shaders(self):
""" Compiles the shader
"""
self.vertex_shader = sh.compileShader(self.vertex_src, gl.GL_VERTEX_SHADER)
self.fragment_shader = sh.compileShader(self.fragment_src, gl.GL_FRAGMENT_SHADER)
def compile_program(self):
"""Compile the shader program
The shaders must be compiled
"""
self.program = sh.compileProgram(self.vertex_shader, self.fragment_shader)
def bind(self):
"""Bind the current shader to the OpenGL context
"""
gl.glUseProgram(self.program)
def unbind(self):
"""Reset OpenGL shader to 0
"""
gl.glUseProgram(0)

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