make plycutter working correctly
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33098180b4
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@ -1,10 +1,10 @@
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[
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{
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"name": "PlyCutter (Unstable)",
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"name": "PlyCutter",
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"id": "fablabchemnitz.de.plycutter",
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"path": "plycutter",
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"dependent_extensions": null,
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"original_name": "PlyCutter (Unstable)",
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"original_name": "PlyCutter",
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"original_id": "fablabchemnitz.de.plycutter",
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"license": "GNU AGPL v3",
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"license_url": "https://github.com/tjltjl/plycutter/blob/master/LICENSE-agpl-3.0.txt",
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@ -1 +1 @@
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Subproject commit 92b545edd5f12d2e88e0b440e498fac55f0046e2
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Subproject commit 7d07e897af9707c87743326108823f48a0022b7d
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@ -1,6 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<name>PlyCutter (Unstable)</name>
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<name>PlyCutter</name>
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<id>fablabchemnitz.de.plycutter</id>
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<param name="tab" type="notebook">
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<page name="tab_settings" gui-text="PlyCutter">
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@ -25,10 +25,6 @@ class PlyCutter(inkex.EffectExtension):
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pars.add_argument("--final_dilation", default=0.05, type=float, help="Final dilation (laser cutter kerf compensation)")
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pars.add_argument("--random_seed", type=int, default=42, help="Random seed for pseudo-random heuristics")
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#-o OUTPUT_FILE, --output_file OUTPUT_FILE
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# File to write the DXF output in (default: None)
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def effect(self):
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stl_input = self.options.infile
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if not os.path.exists(stl_input):
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@ -36,13 +32,13 @@ class PlyCutter(inkex.EffectExtension):
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exit(1)
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# Prepare output
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dxf_output = os.path.join(tempfile.gettempdir(), os.path.splitext(os.path.basename(stl_input))[0] + ".dxf")
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svg_output = os.path.join(tempfile.gettempdir(), os.path.splitext(os.path.basename(stl_input))[0] + ".svg")
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basename = os.path.splitext(os.path.basename(stl_input))[0]
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svg_output = os.path.join(tempfile.gettempdir(), basename + ".svg")
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# Clean up possibly previously generated output file from plycutter
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if os.path.exists(dxf_output):
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if os.path.exists(svg_output):
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try:
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os.remove(dxf_output)
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os.remove(svg_output)
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except OSError as e:
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inkex.utils.debug("Error while deleting previously generated output file " + stl_input)
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@ -55,22 +51,24 @@ class PlyCutter(inkex.EffectExtension):
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plycutter_cmd += "--support_radius " + str(self.options.support_radius) + " "
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plycutter_cmd += "--final_dilation " + str(self.options.final_dilation) + " "
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plycutter_cmd += "--random_seed " + str(self.options.random_seed) + " "
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plycutter_cmd += "-o \"" + dxf_output + "\" "
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plycutter_cmd += "--format svg " #static
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plycutter_cmd += "-o \"" + svg_output + "\" "
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plycutter_cmd += "\"" + stl_input + "\""
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#print command
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inkex.utils.debug(plycutter_cmd)
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#os.system(plycutter_cmd) #does not work
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#inkex.utils.debug(plycutter_cmd)
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#create a new env for subprocess which does not contain extensions dir because there's a collision with "rtree.py"
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pypath = ''
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for d in sys.path:
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if d != '/usr/share/inkscape/extensions':
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pypath = pypath + d + ';'
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neutral_env = os.environ.copy()
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neutral_env['PYTHONPATH'] = pypath
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#pid=os.fork()
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#if pid==0: # new process
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# os.system("nohup " + plycutter_cmd + " &") #does not work too
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# exit()
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# parent process continues
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p = Popen(plycutter_cmd, shell=True, stdout=PIPE, stderr=PIPE)
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p = Popen(plycutter_cmd, shell=True, stdout=PIPE, stderr=PIPE, env=neutral_env)
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stdout, stderr = p.communicate()
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p.wait()
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if p.returncode != 0:
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inkex.utils.debug("PlyCutter failed: %d %s %s" % (p.returncode,
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@ -78,39 +76,31 @@ class PlyCutter(inkex.EffectExtension):
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str(stderr).replace('\\n', '\n').replace('\\t', '\t'))
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)
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exit(1)
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if not os.path.exists(dxf_output):
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inkex.utils.debug("There was no DXF output generated by PlyCutter. Please check your model file.")
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exit(1)
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# Convert the DXF output to SVG
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wd = os.path.join(os.getcwd(), "kabeja")
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proc = subprocess.Popen("java -jar launcher.jar -nogui -pipeline svg " + dxf_output + " " + svg_output, cwd=wd, shell=True, stdout=PIPE, stderr=PIPE)
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stdout, stderr = proc.communicate()
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if proc.returncode != 0:
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inkex.errormsg("kabeja failed: %d %s %s" % (proc.returncode, stdout, stderr))
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elif self.options.debug is True:
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inkex.utils.debug("PlyCutter debug output: %d %s %s" % (p.returncode,
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str(stdout).replace('\\n', '\n').replace('\\t', '\t'),
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str(stderr).replace('\\n', '\n').replace('\\t', '\t'))
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)
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# Write the generated SVG into InkScape's canvas
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try:
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stream = open(svg_output, 'r')
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except FileNotFoundError as e:
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inkex.utils.debug("There was no SVG output generated by kabeja. Cannot continue")
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inkex.utils.debug("There was no SVG output generated by PlyCutter. Please check your model file.")
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exit(1)
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p = etree.XMLParser(huge_tree=True)
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doc = etree.parse(stream, parser=etree.XMLParser(huge_tree=True)).getroot()
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stream.close()
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dxfGroup = inkex.Group(id=self.svg.get_unique_id("plycutter-"))
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for element in doc.iter("{http://www.w3.org/2000/svg}g"):
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dxfGroup.append(element)
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self.document.getroot().add(dxfGroup)
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#apply scale factor
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translation_matrix = [[self.options.scalefactor, 0.0, 0.0], [0.0, self.options.scalefactor, 0.0]]
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dxfGroup.transform = Transform(translation_matrix) * dxfGroup.transform
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g = inkex.Group(id=self.svg.get_unique_id("plycutter-"))
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g.insert(0, inkex.Desc("Imported file: {}".format(self.options.infile)))
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self.svg.get_current_layer().add(g)
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for element in doc.iter("{http://www.w3.org/2000/svg}path"):
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g.append(element)
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#Adjust viewport and width/height to have the import at the center of the canvas
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if self.options.resizetoimport:
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bbox = dxfGroup.bounding_box() #does not work. why?
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bbox = g.bounding_box() #does not work correctly if only 2 objects are inside (strangely). need at least 3 (e.g. one svg:desc and 2 svg:path elements)
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if bbox is not None:
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root = self.svg.getElement('//svg:svg');
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offset = self.svg.unittouu(str(self.options.extraborder) + self.options.extraborder_units)
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