FabLab_Chemnitz/mightyscape-1.1-deprecated
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mightyscape-1.1-deprecated
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added more efforts on vpype extensions

This commit is contained in:
leyghisbb 2021-04-02 23:07:28 +02:00
parent 16779bb3af
commit f504fbfa80
3 changed files with 132 additions and 28 deletions
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120
extensions/fablabchemnitz/vpype_tools/vpypetools.py → extensions/fablabchemnitz/vpypetools/vpypetools.py
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@ -1,17 +1,27 @@
#!/usr/bin/env python3
# suppress some nasty warnings we don't want. Note that this is really generic. For developing purposes re-enable this
# suppress some nasty warnings we don't want. Note that this is really generic. For developing purposes re-enable this to see errors/deprecations
import logging
for key in logging.Logger.manager.loggerDict:
print(key)
logging.getLogger().setLevel(logging.CRITICAL)
#for name, logger in logging.root.manager.loggerDict.items():
# logger.disabled=True
#import warnings
#warnings.filterwarnings("ignore", category=DeprecationWarning)
#warnings.filterwarnings('always', category=DeprecationWarning)
#with warnings.catch_warnings():
# warnings.simplefilter("ignore", category=DeprecationWarning)
#def noop(*args, **kargs): pass
#warnings.warn = noop
#logging.captureWarnings(True)
import sys
import os
from lxml import etree
import inkex
from inkex import transforms
from inkex import transforms, bezier
from inkex.paths import CubicSuperPath
from inkex.command import inkscape
@ -26,8 +36,8 @@ from shapely.geometry import LineString, Point
Extension for InkScape 1.X
Author: Mario Voigt / FabLab Chemnitz
Mail: mario.voigt@stadtfabrikanten.org
Date: 01.04.2021
Last patch: 01.04.2021
Date: 02.04.2021
Last patch: 02.04.2021
License: GNU GPL v3
Used version of vpype: commit id https://github.com/abey79/vpype/commit/0b0dc8dd7e32998dbef639f9db578c3bff02690b
@ -42,20 +52,34 @@ vpype commands could be performed differently:
working line of code (example:) doc = vpype.read_multilayer_svg(self.options.input_file, quantization=0.1, crop=False, simplify=False, parallel=False)
Todo's
- show_pen_up does not work. does not get written to svg file properly > https://github.com/abey79/vpype/issues/242
- https://github.com/abey79/vpype/issues/243
- command chain is slow on Windows
- add some debugging options to remove deprecation warnings
"""
class vpypetools (inkex.EffectExtension):
def __init__(self):
inkex.Effect.__init__(self)
# Line Sorting
self.arg_parser.add_argument("--linesort", default=False, type=inkex.Boolean)
self.arg_parser.add_argument("--linesort_no_flip", type=inkex.Boolean, default=False, help="Disable reversing stroke direction for optimization")
# Line Merging
self.arg_parser.add_argument("--linemerge", default=False, type=inkex.Boolean)
self.arg_parser.add_argument("--linemerge_tolerance", type=float, default=False, help="Maximum distance between two line endings that should be merged (default 0.5 mm)")
self.arg_parser.add_argument("--linemerge_no_flip", type=inkex.Boolean, default=False, help="Disable reversing stroke direction for merging")
# General Settings
self.arg_parser.add_argument("--flattenbezier", type=inkex.Boolean, default=False, help="Flatten bezier curves to polylines")
self.arg_parser.add_argument("--flatness", type=float, default=0.1, help="Minimum flatness = 0.1. The smaller the value the more fine segments you will get.")
self.arg_parser.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting")
self.arg_parser.add_argument("--output_show", type=inkex.Boolean, default=False, help="This will open a new matplotlib window showing modified SVG data")
self.arg_parser.add_argument("--output_stats", type=inkex.Boolean, default=False, help="Show output statistics before/after conversion")
self.arg_parser.add_argument("--output_trajectories", type=inkex.Boolean, default=False, help="Add paths for the travel trajectories")
self.arg_parser.add_argument("--keep_selection", type=inkex.Boolean, default=True, help="If false, selected paths will be removed")
self.arg_parser.add_argument("--keep_selection", type=inkex.Boolean, default=False, help="If false, selected paths will be removed")
self.arg_parser.add_argument("--strokes_to_paths", type=inkex.Boolean, default=True, help="Recommended option. Performs 'Path' > 'Stroke to Path' (CTRL + ALT + C) to convert vpype converted lines back to regular path objects")
def effect(self):
lc = vpype.LineCollection() # create a new array of LineStrings consisting of Points. We convert selected paths to polylines and grab their points
@ -72,10 +96,25 @@ class vpypetools (inkex.EffectExtension):
# inkex.utils.debug(e)
inkex.utils.debug("Calling 'Apply Transformations' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery. Skipping this step")
def flatten(node):
path = node.path.to_superpath()
bezier.cspsubdiv(path, self.options.flatness)
newpath = []
for subpath in path:
first = True
for csp in subpath:
cmd = 'L'
if first:
cmd = 'M'
first = False
newpath.append([cmd, [csp[1][0], csp[1][1]]])
node.path = newpath
def convertPath(node):
if node.tag == inkex.addNS('path','svg'):
nodesToConvert.append(node)
if self.options.flattenbezier is True:
flatten(node)
d = node.get('d')
p = CubicSuperPath(d)
points = []
@ -108,7 +147,7 @@ class vpypetools (inkex.EffectExtension):
#l c.as_mls() #cast LineString array to MultiLineString
if len(lc) == 0:
inkex.errormsg('Selection does not contain any paths. Try to cast your objects to paths using CTRL + SHIFT + C or strokes to paths using CTRL + ALT+ C')
inkex.errormsg('Selection appears to be empty or does not contain any valid svg:path nodes. Try to cast your objects to paths using CTRL + SHIFT + C or strokes to paths using CTRL + ALT+ C')
return
doc = vpype.Document() #create new vpype document
@ -121,12 +160,25 @@ class vpypetools (inkex.EffectExtension):
traveling_length_before = doc.pen_up_length()
# build and execute the conversion command
command = "linesort "
if self.options.linesort_no_flip:
command += " --no-flip"
# inkex.utils.debug(command)
##########################################
# Line Sort
if self.options.linesort is True:
command = "linesort "
if self.options.linesort_no_flip is True:
command += " --no-flip"
# Line Merging
if self.options.linemerge is True:
command = "linemerge --tolerance " + str(self.options.linemerge_tolerance)
if self.options.linemerge_no_flip is True:
command += " --no-flip"
#inkex.utils.debug(command)
doc = execute(command, doc)
##########################################
# show the vpype document visually
# there are missing options to set pen_width and pen_opacity. This is anchored in "Engine" class
if self.options.output_show:
@ -157,25 +209,39 @@ class vpypetools (inkex.EffectExtension):
output_fileIO.close()
# convert vpype polylines/lines/polygons to regular paths again. We need to use "--with-gui" to respond to "WARNING: ignoring verb FileSave - GUI required for this verb."
cli_output = inkscape(output_file, "--with-gui", actions="EditSelectAllInAllLayers;EditUnlinkClone;ObjectToPath;FileSave;FileQuit")
if len(cli_output) > 0:
self.debug(_("Inkscape returned the following output when trying to run the vpype object to path back-conversion:"))
self.debug(cli_output)
if self.options.strokes_to_paths is True:
cli_output = inkscape(output_file, "--with-gui", actions="EditSelectAllInAllLayers;EditUnlinkClone;ObjectToPath;FileSave;FileQuit")
if len(cli_output) > 0:
self.debug(_("Inkscape returned the following output when trying to run the vpype object to path back-conversion:"))
self.debug(cli_output)
# new parse the SVG file and insert it as new group into the current document tree
# converted = etree.parse(output_file).getroot()
converted = etree.parse(output_file).getroot().xpath("//svg:g[@inkscape:label='1']",namespaces=inkex.NSS) # the label id is the number of layer_id=None (will start with 1)
newGroup = self.document.getroot().add(inkex.Group())
newGroup.set('style', 'stroke:#000000;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
for child in converted[0].getchildren():
newGroup.append(child)
newGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
newGroupId = self.svg.get_unique_id('vpypetools-')
newGroup.set('id', newGroupId)
#vpype_svg = etree.parse(output_file).getroot().xpath("//svg:g", namespaces=inkex.NSS)
# the label id is the number of layer_id=None (will start with 1)
lines = etree.parse(output_file).getroot().xpath("//svg:g[@inkscape:label='1']",namespaces=inkex.NSS)
vpypeLinesGroup = self.document.getroot().add(inkex.Group())
vpypeLinesGroup.set('style', 'stroke:#000000;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
for item in lines:
for child in item.getchildren():
vpypeLinesGroup.append(child)
vpypeLinesGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
vpypeLinesGroupId = self.svg.get_unique_id('vpypetools-lines-')
vpypeLinesGroup.set('id', vpypeLinesGroupId)
if self.options.output_trajectories is True:
trajectories = etree.parse(output_file).getroot().xpath("//svg:g[@id='pen_up_trajectories']",namespaces=inkex.NSS)
vpypeTrajectoriesGroup = self.document.getroot().add(inkex.Group())
vpypeTrajectoriesGroup.set('style', 'stroke:#0000ff;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
for item in trajectories:
for child in item.getchildren():
vpypeTrajectoriesGroup.append(child)
vpypeTrajectoriesGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
vpypeTrajectoriesId = self.svg.get_unique_id('vpypetools-trajectories-')
vpypeTrajectoriesGroup.set('id', vpypeTrajectoriesId)
# inkex.utils.debug(self.svg.selection.first()) # get the first selected element. Chould be None
self.svg.selection.set(newGroupId)
self.svg.selection.set(vpypeLinesGroupId)
#inkex.utils.debug(self.svg.selection.first()) # get the first selected element again to check if changing selection has worked
# we apply transformations also for new group to remove the "translate()" again
@ -193,4 +259,4 @@ class vpypetools (inkex.EffectExtension):
node.getparent().remove(node)
if __name__ == '__main__':
vpypetools().run()
vpypetools().run()

34
extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx Normal file
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@ -0,0 +1,34 @@
<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
<name>Line Merging (vpype)</name>
<id>fablabchemnitz.de.vpype_linemerging</id>
<label appearance="header">Line Merging</label>
<label>Merge lines whose endings and starts overlap or are very close.</label>
<param name="linemerge" type="bool" gui-hidden="true">true</param>
<param name="linemerge_tolerance" type="float" min="0.0" gui-text="tolerance (mm)" gui-description="Maximum distance between two line endings that should be merged (default 0.5 mm)">0.5</param>
<param name="linemerge_no_flip" type="bool" gui-text="no flip" gui-description="Disable reversing stroke direction for merging">false</param>
<spacer/>
<label appearance="header">General Settings</label>
<param name="flattenbezier" type="bool" gui-text="Flatten bezier curves to polylines" gui-description="Converts bezier curves to polylines.">true</param>
<param name="flatness" type="float" min="0.001" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.1</param>
<param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
<param name="output_show" type="bool" gui-text="Show debug output" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
<param name="strokes_to_paths" type="bool" gui-text="Auto-convert low-level strokes to paths" gui-description="Recommended option. Performs 'Path' > 'Stroke to Path' (CTRL + ALT + C) to convert vpype converted lines back to regular path objects">true</param>
<label appearance="header">About</label>
<separator/>
<label appearance="url">https://fablabchemnitz.de</label>
<label>License: GNU GPL v3</label>
<effect needs-live-preview="true">
<effects-menu>
<submenu name="FabLab Chemnitz">
<submenu name="Modify existing Path(s)"/>
</submenu>
</effects-menu>
</effect>
<script>
<command location="inx" interpreter="python">vpypetools.py</command>
</script>
</inkscape-extension>

6
extensions/fablabchemnitz/vpype_tools/vpype_linesort.inx → extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
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@ -4,14 +4,18 @@
<id>fablabchemnitz.de.vpype_linesorting</id>
<label appearance="header">Line Sorting</label>
<label>Sort lines to minimize travel distances.</label>
<param name="linesort" type="bool" gui-hidden="true">true</param>
<param name="linesort_no_flip" type="bool" gui-text="Disable flipping" gui-description="Disable reversing stroke direction for optimization '--no-flip'">false</param>
<spacer/>
<label appearance="header">General Settings</label>
<param name="flattenbezier" type="bool" gui-text="Flatten bezier curves to polylines" gui-description="Converts bezier curves to polylines.">true</param>
<param name="flatness" type="float" min="0.001" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.1</param>
<param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
<param name="output_show" type="bool" gui-text="Show debug output" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths will be removed">false</param>
<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
<param name="strokes_to_paths" type="bool" gui-text="Auto-convert low-level strokes to paths" gui-description="Recommended option. Performs 'Path' > 'Stroke to Path' (CTRL + ALT + C) to convert vpype converted lines back to regular path objects">true</param>
<label appearance="header">About</label>
<separator/>
<label appearance="url">https://fablabchemnitz.de</label>