FabLab_Chemnitz/mightyscape-1.1-deprecated
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cleaned stl input

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This commit is contained in:
Mario Voigt 2021-05-15 17:44:24 +02:00
parent ed10bf466d
commit b6605db058
2 changed files with 147 additions and 81 deletions
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56
extensions/fablabchemnitz/input_stl/input_stl.inx
View File

@ -5,18 +5,18 @@
<param name="tab" type="notebook"> <param name="tab" type="notebook">
<page name="tab_options" gui-text="Options"> <page name="tab_options" gui-text="Options">
<label appearance="header">Processor</label> <label appearance="header">Processor</label>
<param name="slic3r_cmd" type="path" mode="file" gui-text="Slic3r command">/path/to/slic3r/v1.3.1-dev</param> <param name="slic3r_cmd" type="path" mode="file" gui-text="Slic3r-1.3.1-dev command">/path/to/slic3r/v1.3.1-dev</param>
<label appearance="header">Input</label> <label appearance="header">Input</label>
<param name="inputfile" type="path" gui-text="Input file" filetypes="obj,off,ply,stl" mode="file">/your/object/file.stl</param> <param name="inputfile" type="path" gui-text="Input file (OBJ/OFF/PLY/STL)" filetypes="obj,off,ply,stl" mode="file">/your/object/file.stl</param>
<param name="max_num_faces" type="int" min="1" max="99999" gui-text="Maximum allowed faces" gui-description="If the STL file has too much detail it contains a large number of faces. This will make processing extremely slow. So we can limit it.">200</param> <param name="max_num_faces" type="int" min="1" max="99999" gui-text="Maximum allowed faces" gui-description="If the STL file has too much detail it contains a large number of faces. This will make processing extremely slow. So we can limit it.">200</param>
<param name="layer_height" type="float" min="0.001" max="99999.000" precision="3" gui-text="Layer height [mm]:">1.000</param> <param name="layer_height" type="float" min="0.001" max="99999.000" precision="3" gui-text="Layer height [mm]">1.000</param>
<hbox> <hbox>
<vbox> <vbox>
<label appearance="header">Transforms</label> <label appearance="header">Transforms</label>
<param name="scalefactor" type="float" precision="3" min="0.0001" max="10000.0" gui-text="Manual scale factor" gui-description="default is 1.0">1.0</param> <param name="scalefactor" type="float" precision="3" min="0.0001" max="10000.0" gui-text="Manual scale factor" gui-description="default is 1.0">1.0</param>
<param name="rx" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate X-Axis [deg]:">0</param> <param name="rx" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate X-Axis [deg]">0.0</param>
<param name="ry" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate Y-Axis [deg]:">0</param> <param name="ry" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate Y-Axis [deg]">0.0</param>
<param name="rz" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate Z-Axis [deg]:">0</param> <param name="rz" type="float" precision="1" min="-360.0" max="360.0" gui-text="3D-Rotate Z-Axis [deg]">0.0</param>
</vbox> </vbox>
<separator /> <separator />
<vbox> <vbox>
@ -33,16 +33,44 @@
<param name="numbers" type="bool" gui-text="Add layer numbers">false</param> <param name="numbers" type="bool" gui-text="Add layer numbers">false</param>
<param name="center" type="bool" gui-text="Add center marks">false</param> <param name="center" type="bool" gui-text="Add center marks">false</param>
</vbox> </vbox>
</hbox>
</page>
<page name="tab_style" gui-text="Style">
<hbox>
<vbox>
<label appearance="header">Fill Style</label>
<param name="use_fill_color" type="bool" gui-text="Use fill color">false</param>
<param name="fill_color" type="color" appearance="colorbutton" gui-text="Fill color">1943148287</param>
<param name="min_fill_opacity" type="float" precision="3" min="0.000" max="1.000" gui-text="Min fill opacity">0.0</param>
<param name="max_fill_opacity" type="float" precision="3" min="0.000" max="1.000" gui-text="Max fill opacity">1.0</param>
<label>Per Layer Settings</label>
<param name="diffuse_fill_opacity" type="optiongroup" appearance="combo" gui-text="Diffuse fill opacity">
<option value="no_diffuse">no diffuse (use max. opacity)</option>
<option value="front_to_back">front to back</option>
<option value="back_to_front">back to front</option>
<separator/>
</param>
<label appearance="header">Stroke Color</label>
<param name="use_stroke_color" type="bool" gui-text="Use stroke color">true</param>
<param name="stroke_color" type="color" appearance="colorbutton" gui-text="Stroke color">879076607</param>
</vbox>
<separator/> <separator/>
<vbox> <vbox>
<label appearance="header">Style</label> <label appearance="header">Stroke Width</label>
<param name="stroke_width" type="float" min="0" max="100" gui-text="Stroke width (px):">2</param> <param name="min_stroke_width" type="float" precision="3" min="0.000" max="1000.000" gui-text="Min stroke width">1.0</param>
<param name="path_color" type="color" appearance="colorbutton" gui-text="Path color">879076607</param> <param name="max_stroke_width" type="float" precision="3" min="0.000" max="1000.000" gui-text="Max stroke width">1.0</param>
<param name="use_path_color" type="bool" gui-text="Use path color">true</param> <label>Per Layer Settings</label>
<param name="fill_color" type="color" appearance="colorbutton" gui-text="Fill color">1943148287</param> <param name="diffuse_stroke_width" type="optiongroup" appearance="combo" gui-text="Diffuse stroke width">
<param name="use_fill_color" type="bool" gui-text="Use fill color">false</param> <option value="no_diffuse">no diffuse (use max. width)</option>
<param name="tone_down" type="optiongroup" appearance="combo" gui-text="Town down opacity for each layer"> <option value="front_to_back">front to back</option>
<option value="regular">regular</option> <option value="back_to_front">back to front</option>
</param>
<label appearance="header">Stroke Opacity</label>
<param name="min_stroke_opacity" type="float" precision="3" min="0.000" max="1.000" gui-text="Min stroke opacity">0.0</param>
<param name="max_stroke_opacity" type="float" precision="3" min="0.000" max="1.000" gui-text="Max stroke opacity">1.0</param>
<label>Per Layer Settings</label>
<param name="diffuse_stroke_opacity" type="optiongroup" appearance="combo" gui-text="Diffuse stroke opacity">
<option value="no_diffuse">no diffuse (use max. opacity)</option>
<option value="front_to_back">front to back</option> <option value="front_to_back">front to back</option>
<option value="back_to_front">back to front</option> <option value="back_to_front">back to front</option>
</param> </param>

140
extensions/fablabchemnitz/input_stl/input_stl.py
View File

@ -30,7 +30,10 @@ For optional(!) rotation support:
* Make it available through PrusaSlic3r? > this is not possible because no support to slice into SVG layers * Make it available through PrusaSlic3r? > this is not possible because no support to slice into SVG layers
#ToDos #ToDos
* FIXME: should use svg_pathstats(path_d): to compute bounding boxes. * use svg_pathstats(path_d): to compute bounding boxes.
* fix bbox calc: ValueError: b'/tmp/.mount_Slic3rQi5kIt/AppRun: line 65: 10415 Segmentation fault
(core dumped) LD_LIBRARY_PATH="$DIR/usr/lib:${LD_LIBRARY_PATH}" "${DIR}/usr/bin/perl-local" -I"${DIR}/usr/lib/local-lib/lib/perl5"
"${DIR}/usr/bin/slic3r.pl" --gui "$@"\n'
''' '''
import sys import sys
@ -60,10 +63,12 @@ class InputSTL(inkex.EffectExtension):
def add_arguments(self, pars): def add_arguments(self, pars):
pars.add_argument('--tab') pars.add_argument('--tab')
pars.add_argument('--inputfile', help='STL input file to convert to SVG with the same name, but ".svg" suffix.') #Options
pars.add_argument('--slic3r_cmd', default="slic3r", help="Command to invoke slic3r.")
pars.add_argument('--inputfile', help='Input file (OBJ/OFF/PLY/STL)')
pars.add_argument('--scalefactor', type=float, default=1.0, help='Scale the model to custom size') pars.add_argument('--scalefactor', type=float, default=1.0, help='Scale the model to custom size')
pars.add_argument("--max_num_faces", type=int, default=200, help="If the STL file has too much detail it contains a large number of faces. This will make processing extremely slow. So we can limit it.") pars.add_argument("--max_num_faces", type=int, default=200, help="If the STL file has too much detail it contains a large number of faces. This will make processing extremely slow. So we can limit it.")
pars.add_argument('-l', '--layer_height', type=float, default=1.000, help='slic3r layer height, probably in mm. Default: per slic3r config') pars.add_argument('--layer_height', type=float, default=1.000, help='slic3r layer height, probably in mm. Default: per slic3r config')
pars.add_argument('--rx', type=float, default=None, help='Rotate STL object around X-Axis before importing.') pars.add_argument('--rx', type=float, default=None, help='Rotate STL object around X-Axis before importing.')
pars.add_argument('--ry', type=float, default=None, help='Rotate STL object around Y-Axis before importing.') pars.add_argument('--ry', type=float, default=None, help='Rotate STL object around Y-Axis before importing.')
pars.add_argument('--rz', type=float, default=None, help='Rotate STL object around Z-Axis before importing.') pars.add_argument('--rz', type=float, default=None, help='Rotate STL object around Z-Axis before importing.')
@ -72,14 +77,24 @@ class InputSTL(inkex.EffectExtension):
pars.add_argument("--resizetoimport", type=inkex.Boolean, default=True, help="Resize the canvas to the imported drawing's bounding box") pars.add_argument("--resizetoimport", type=inkex.Boolean, default=True, help="Resize the canvas to the imported drawing's bounding box")
pars.add_argument("--extraborder", type=float, default=0.0) pars.add_argument("--extraborder", type=float, default=0.0)
pars.add_argument("--extraborder_units") pars.add_argument("--extraborder_units")
pars.add_argument("--stroke_width", type=float, default=2.0, help="Stroke width (px)")
pars.add_argument('--path_color', type=Color, default='879076607', help="Path color")
pars.add_argument("--use_path_color", type=inkex.Boolean, default=True, help="Use path color")
pars.add_argument("--fill_color", type=Color, default='1943148287', help="Fill color")
pars.add_argument("--use_fill_color", type=inkex.Boolean, default=False, help="Use fill color")
pars.add_argument("--tone_down", default="regular", help="Town down opacity for each layer")
pars.add_argument('-s', '--slic3r-cmd', '--slic3r_cmd', default="slic3r", help="Command to invoke slic3r.") #Style
pars.add_argument("--use_fill_color", type=inkex.Boolean, default=False, help="Use fill color")
pars.add_argument("--fill_color", type=Color, default='1943148287', help="Fill color")
pars.add_argument("--min_fill_opacity", type=float, default=0.0, help="Min fill opacity")
pars.add_argument("--max_fill_opacity", type=float, default=1.0, help="Max fill opacity")
pars.add_argument("--diffuse_fill_opacity", default="regular", help="Diffuse fill opacity per layer")
pars.add_argument("--use_stroke_color", type=inkex.Boolean, default=True, help="Use stroke color")
pars.add_argument('--stroke_color', type=Color, default='879076607', help="Stroke color")
pars.add_argument("--min_stroke_width", type=float, default=1.0, help="Min stroke width")
pars.add_argument("--max_stroke_width", type=float, default=1.0, help="Max stroke width")
pars.add_argument("--diffuse_stroke_width", default="regular", help="Diffuse stroke width per layer")
pars.add_argument("--min_stroke_opacity", type=float, default=0.0, help="Min stroke opacity")
pars.add_argument("--max_stroke_opacity", type=float, default=1.0, help="Max stroke opacity")
pars.add_argument("--diffuse_stroke_opacity", default="regular", help="Diffuse stroke opacity per layer")
def effect(self): def effect(self):
args = self.options args = self.options
@ -191,7 +206,7 @@ class InputSTL(inkex.EffectExtension):
cmd = [ slic3r, '--no-gui', '--info', file ] cmd = [ slic3r, '--no-gui', '--info', file ]
p = Popen(cmd, stdout=PIPE, stderr=PIPE) p = Popen(cmd, stdout=PIPE, stderr=PIPE)
out, err = p.communicate() out, err = p.communicate()
if len(err): if len(err) > 0:
raise ValueError(err) raise ValueError(err)
bb = {} bb = {}
@ -202,7 +217,7 @@ class InputSTL(inkex.EffectExtension):
raise ValueError("slic3r --info did not return 6 elements for bbox") raise ValueError("slic3r --info did not return 6 elements for bbox")
return bb return bb
if args.center is not False: if args.center is True:
bb = bbox_info(args.slic3r_cmd, args.inputfile) bb = bbox_info(args.slic3r_cmd, args.inputfile)
# Ouch: bbox info gives us stl coordinates. slic3r translates them into svg px using 75dpi. # Ouch: bbox info gives us stl coordinates. slic3r translates them into svg px using 75dpi.
cx = (-bb['min_x'] + bb['max_x']) * 0.5 * 1/scale * magic * 25.4 / 75 cx = (-bb['min_x'] + bb['max_x']) * 0.5 * 1/scale * magic * 25.4 / 75
@ -236,6 +251,68 @@ class InputSTL(inkex.EffectExtension):
# e.attrib['id'] = "base" # e.attrib['id'] = "base"
# e.attrib['{http://www.inkscape.org/namespaces/inkscape}document-units'] = "mm" # e.attrib['{http://www.inkscape.org/namespaces/inkscape}document-units'] = "mm"
totalPolygoncount = 0
for e in doc.iterfind('//{*}polygon'):
totalPolygoncount += 1
polygoncount = 0
if args.use_fill_color is False:
fill = "none"
else:
fill = args.fill_color
for e in doc.iterfind('//{*}polygon'):
polygoncount += 1
# we ignore if min opacity values are larger than max opacity. We just use abs() for fill and stroke opacity
if args.diffuse_fill_opacity == "front_to_back":
fill_opacity = (1 - (polygoncount / totalPolygoncount)) * abs(args.max_fill_opacity - args.min_fill_opacity)
elif args.diffuse_fill_opacity == "back_to_front":
fill_opacity = (polygoncount / totalPolygoncount) * abs(args.max_fill_opacity - args.min_fill_opacity)
elif args.diffuse_fill_opacity == "no_diffuse":
fill_opacity = args.max_fill_opacity
else:
inkex.utils.debug("Error: unkown diffuse fill opacity option")
exit(1)
if args.diffuse_stroke_width == "front_to_back":
stroke_width = (1 - (polygoncount / totalPolygoncount)) * abs(args.max_stroke_width - args.min_stroke_width)
elif args.diffuse_stroke_width == "back_to_front":
stroke_width = (polygoncount / totalPolygoncount) * abs(args.max_stroke_width - args.min_stroke_width)
elif args.diffuse_stroke_width == "no_diffuse":
stroke_width = args.max_stroke_width
else:
inkex.utils.debug("Error: unkown diffuse fill opacity option")
exit(1)
if args.diffuse_stroke_opacity == "front_to_back":
stroke_opacity = (1 - (polygoncount / totalPolygoncount)) * abs(args.max_stroke_opacity - args.min_stroke_opacity)
elif args.diffuse_stroke_opacity == "back_to_front":
stroke_opacity = (polygoncount / totalPolygoncount) * abs(args.max_stroke_opacity - args.min_stroke_opacity)
elif args.diffuse_stroke_opacity == "no_diffuse":
stroke_opacity = args.max_stroke_opacity
else:
inkex.utils.debug("Error: unkown diffuse fill opacity option")
exit(1)
if args.use_stroke_color is False:
stroke = ""
else:
stroke = "stroke:{}".format(args.stroke_color)
# e.tag = '{http://www.w3.org/2000/svg}polygon'
# e.attrib = {'{http://slic3r.org/namespaces/slic3r}type': 'contour', 'points': '276.422496,309.4 260.209984,309.4 260.209984,209.03 276.422496,209.03', 'style': 'fill: white'}
e.tag = re.sub('polygon$', 'path', e.tag)
e.attrib['id'] = 'polygon%d' % polygoncount
e.attrib['{http://www.inkscape.org/namespaces/inkscape}connector-curvature'] = '0'
e.attrib['style'] = 'fill:{};fill-opacity:{};{};stroke-opacity:{};stroke-width:{}'.format(fill, fill_opacity, stroke, stroke_opacity, stroke_width)
e.attrib['d'] = 'M ' + re.sub(' ', ' L ', scale_points(e.attrib['points'], 1/scale)) + ' Z'
del e.attrib['points']
if e.attrib.get('{http://slic3r.org/namespaces/slic3r}type') == 'contour':
# remove contour, but keep all slic3r:type='hole', whatever it is worth later.
del e.attrib['{http://slic3r.org/namespaces/slic3r}type']
layercount = 0 layercount = 0
for e in doc.iterfind('//{*}g'): for e in doc.iterfind('//{*}g'):
if e.attrib['{http://slic3r.org/namespaces/slic3r}z'] and e.attrib['id']: if e.attrib['{http://slic3r.org/namespaces/slic3r}z'] and e.attrib['id']:
@ -263,45 +340,6 @@ class InputSTL(inkex.EffectExtension):
cc.attrib['d'] = 'M %s,%s v 10 M %s,%s h 10 M %s,%s h 4' % (cx, cy-5, cx-5, cy, cx-2, cy+5) cc.attrib['d'] = 'M %s,%s v 10 M %s,%s h 10 M %s,%s h 4' % (cx, cy-5, cx-5, cy, cx-2, cy+5)
e.append(cc) e.append(cc)
totalPolygoncount = 0
for e in doc.iterfind('//{*}polygon'):
totalPolygoncount += 1
polygoncount = 0
if args.use_fill_color is False:
fill = "none"
else:
fill = args.fill_color
for e in doc.iterfind('//{*}polygon'):
polygoncount += 1
if args.tone_down == "front_to_back":
stroke_and_fill_opacity = 1 - (polygoncount / totalPolygoncount)
elif args.tone_down == "back_to_front":
stroke_and_fill_opacity = polygoncount / totalPolygoncount
elif args.tone_down == "regular":
stroke_and_fill_opacity = 1.0
else:
inkex.utils.debug("Error: unkown town down option")
exit(1)
if args.use_path_color is False:
stroke = ""
else:
stroke = "stroke:{}".format(args.path_color)
# e.tag = '{http://www.w3.org/2000/svg}polygon'
# e.attrib = {'{http://slic3r.org/namespaces/slic3r}type': 'contour', 'points': '276.422496,309.4 260.209984,309.4 260.209984,209.03 276.422496,209.03', 'style': 'fill: white'}
e.tag = re.sub('polygon$', 'path', e.tag)
e.attrib['id'] = 'polygon%d' % polygoncount
e.attrib['{http://www.inkscape.org/namespaces/inkscape}connector-curvature'] = '0'
e.attrib['style'] = 'fill:{};fill-opacity:{};{};stroke-opacity:{};stroke-width:{}'.format(fill, stroke_and_fill_opacity, stroke, stroke_and_fill_opacity, args.stroke_width)
e.attrib['d'] = 'M ' + re.sub(' ', ' L ', scale_points(e.attrib['points'], 1/scale)) + ' Z'
del e.attrib['points']
if e.attrib.get('{http://slic3r.org/namespaces/slic3r}type') == 'contour':
# remove contour, but keep all slic3r:type='hole', whatever it is worth later.
del e.attrib['{http://slic3r.org/namespaces/slic3r}type']
etree.cleanup_namespaces(doc.getroot(), top_nsmap={ etree.cleanup_namespaces(doc.getroot(), top_nsmap={
'inkscape': 'http://www.inkscape.org/namespaces/inkscape', 'inkscape': 'http://www.inkscape.org/namespaces/inkscape',
'sodipodi': 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd'}) 'sodipodi': 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd'})