added vpype-dxf into DXF/DWG Importer (new parser option)
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@ -11,6 +11,7 @@
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<option value="sk1">sk1 UniConverter (best output, but fails for all unknown/unfiltered entities)</option>
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<option value="ezdxf">ezdxf (higher quality, many single nodes)</option>
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<option value="kabeja">kabeja (Java library)</option>
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<option value="vpype_dxf (recommended to disable 'Filter entities with ezdxf using this)">vpype-dxf</option>
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<option value="legacy">legacy InkScape importer</option>
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</param>
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<param name="resizetoimport" type="bool" gui-text="Resize the canvas to the imported drawing's bounding box">true</param>
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@ -149,6 +150,12 @@
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<label appearance="header">sk1 UniConvertor 1.1.X</label>
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<separator/>
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<param name="sk1_uniconverter" type="path" gui-text="uniconvertor executable" gui-description="Full path to 'uniconvertor' executable" filetypes="cmd" mode="file">C:\Program Files (x86)\sK1 Project\UniConvertor-1.1.6\uniconvertor.cmd</param>
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<label appearance="header">vpype-dxf</label>
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<separator/>
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<param name="vpype_quantization" type="float" min="0.001" max="99999.000" precision="3" gui-text="Quantization" gui-description="Maximum length of segments approximating curved elements (default 0.1mm)">0.100</param>
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<param name="vpype_simplify" type="bool" gui-text="Simplify curved elements" gui-description="Apply simplification algorithm to curved elements">false</param>
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<param name="vpype_parallel" type="bool" gui-text="Multiprocessing curve conversion" gui-description="Enable multiprocessing for curve conversion.">false</param>
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</page>
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</param>
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<effect needs-live-preview="true">
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@ -8,7 +8,7 @@ Import any DWG or DXF file using ODA File Converter, sk1 UniConvertor, ezdxf and
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 23.08.2020
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Last patch: 12.09.2020
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Last patch: 04.04.2021
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License: GNU GPL v3
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Module licenses
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@ -18,6 +18,8 @@ Module licenses
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- ODA File Converter - not bundled (due to restrictions by vendor)
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- sk1 UniConvertor (https://github.com/sk1project/uniconvertor) - AGPL v3.0 - not bundled
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- kabeja (http://kabeja.sourceforge.net/) - Apache v2
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- vpype (https://github.com/abey79/vpype) - MIT License
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- vpype-dxf (https://github.com/tatarize/vpype-dxf) - MIT License
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ToDos:
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- change copy commands to movefile commands (put into temp. sub directories where the input file is located). We need to copy files in this script because ODA File Converter will process whole dirs instead of single files only.DXF files can be really large, which slows the process)
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@ -45,7 +47,7 @@ from ezdxf.addons.drawing import RenderContext, Frontend
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from ezdxf.addons.drawing.matplotlib import MatplotlibBackend #for recent ezdxf library 0.15.2
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from ezdxf.addons import Importer
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class DXFDWGImport(inkex.Effect):
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class DXFDWGImport(inkex.EffectExtension):
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def __init__(self):
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inkex.Effect.__init__(self)
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@ -77,6 +79,11 @@ class DXFDWGImport(inkex.Effect):
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self.arg_parser.add_argument("--ezdxf_preprocessing", type=inkex.Boolean, default=True)
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self.arg_parser.add_argument("--allentities", type=inkex.Boolean, default=True)
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#vpype-dxf (dread)
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self.arg_parser.add_argument("--vpype_quantization", type=float, default=0.1, help="Maximum length of segments approximating curved elements (default 0.1mm)")
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self.arg_parser.add_argument("--vpype_simplify", type=inkex.Boolean, default=False, help="Simplify curved elements")
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self.arg_parser.add_argument("--vpype_parallel", type=inkex.Boolean, default=False, help="Multiprocessing curve conversion")
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#sk1 compatible entities
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self.arg_parser.add_argument("--THREE_DFACE", type=inkex.Boolean, default=True) #3DFACE
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self.arg_parser.add_argument("--ARC", type=inkex.Boolean, default=True)
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@ -312,7 +319,39 @@ class DXFDWGImport(inkex.Effect):
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inkex.errormsg("kabeja failed: %d %s %s" % (proc.returncode, stdout, stderr))
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if self.options.opendironerror:
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self.openExplorer(temp_output_dir)
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elif self.options.dxf_to_svg_parser == "vpype_dxf":
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try:
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from inkex.command import inkscape
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import vpype
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from vpype_cli import execute
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except Exception as e:
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inkex.errormsg("Error importing vpype. Did you properly install the vpype and vpype-dxf python modules?")
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exit(1)
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doc = vpype.Document() #create new vpype document
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command = "dread --quantization " + str(self.options.vpype_quantization)
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if self.options.vpype_simplify is True:
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command += " --simplify"
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if self.options.vpype_parallel is True:
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command += " --parallel"
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#command += " '" + inputfile + "'"
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command += " '" + dxf_file + "'"
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#inkex.errormsg(command)
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doc = execute(command, doc)
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if doc.length() == 0:
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inkex.errormsg('No lines left after vpype conversion. Conversion result is empty. Cannot continue')
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exit(1)
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# save the vpype document to new svg file and close it afterwards
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output_fileIO = open(svg_file, "w", encoding="utf-8")
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vpype.write_svg(output_fileIO, doc, page_size=None, center=False, source_string='', layer_label_format='%d', show_pen_up=False, color_mode='layer')
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output_fileIO.close()
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# 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."
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cli_output = inkscape(svg_file, "--with-gui", actions="EditSelectAllInAllLayers;EditUnlinkClone;ObjectToPath;FileSave;FileQuit")
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if len(cli_output) > 0:
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self.debug(_("Inkscape returned the following output when trying to run the vpype object to path back-conversion:"))
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self.debug(cli_output)
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elif self.options.dxf_to_svg_parser == "ezdxf":
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try:
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doc = ezdxf.readfile(dxf_file)
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