added more efforts on vpype extensions
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leyghisbb
parent
16779bb3af
commit
f504fbfa80
@ -1,17 +1,27 @@
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#!/usr/bin/env python3
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# suppress some nasty warnings we don't want. Note that this is really generic. For developing purposes re-enable this
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# suppress some nasty warnings we don't want. Note that this is really generic. For developing purposes re-enable this to see errors/deprecations
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import logging
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for key in logging.Logger.manager.loggerDict:
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print(key)
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logging.getLogger().setLevel(logging.CRITICAL)
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#for name, logger in logging.root.manager.loggerDict.items():
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# logger.disabled=True
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#import warnings
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#warnings.filterwarnings("ignore", category=DeprecationWarning)
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#warnings.filterwarnings('always', category=DeprecationWarning)
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#with warnings.catch_warnings():
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# warnings.simplefilter("ignore", category=DeprecationWarning)
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#def noop(*args, **kargs): pass
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#warnings.warn = noop
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#logging.captureWarnings(True)
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import sys
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import os
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from lxml import etree
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import inkex
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from inkex import transforms
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from inkex import transforms, bezier
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from inkex.paths import CubicSuperPath
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from inkex.command import inkscape
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@ -26,8 +36,8 @@ from shapely.geometry import LineString, Point
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Extension for InkScape 1.X
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 01.04.2021
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Last patch: 01.04.2021
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Date: 02.04.2021
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Last patch: 02.04.2021
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License: GNU GPL v3
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Used version of vpype: commit id https://github.com/abey79/vpype/commit/0b0dc8dd7e32998dbef639f9db578c3bff02690b
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@ -42,20 +52,34 @@ vpype commands could be performed differently:
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working line of code (example:) doc = vpype.read_multilayer_svg(self.options.input_file, quantization=0.1, crop=False, simplify=False, parallel=False)
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Todo's
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- show_pen_up does not work. does not get written to svg file properly > https://github.com/abey79/vpype/issues/242
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- https://github.com/abey79/vpype/issues/243
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- command chain is slow on Windows
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- add some debugging options to remove deprecation warnings
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"""
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class vpypetools (inkex.EffectExtension):
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def __init__(self):
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inkex.Effect.__init__(self)
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# Line Sorting
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self.arg_parser.add_argument("--linesort", default=False, type=inkex.Boolean)
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self.arg_parser.add_argument("--linesort_no_flip", type=inkex.Boolean, default=False, help="Disable reversing stroke direction for optimization")
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# Line Merging
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self.arg_parser.add_argument("--linemerge", default=False, type=inkex.Boolean)
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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)")
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self.arg_parser.add_argument("--linemerge_no_flip", type=inkex.Boolean, default=False, help="Disable reversing stroke direction for merging")
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# General Settings
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self.arg_parser.add_argument("--flattenbezier", type=inkex.Boolean, default=False, help="Flatten bezier curves to polylines")
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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.")
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self.arg_parser.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting")
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self.arg_parser.add_argument("--output_show", type=inkex.Boolean, default=False, help="This will open a new matplotlib window showing modified SVG data")
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self.arg_parser.add_argument("--output_stats", type=inkex.Boolean, default=False, help="Show output statistics before/after conversion")
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self.arg_parser.add_argument("--output_trajectories", type=inkex.Boolean, default=False, help="Add paths for the travel trajectories")
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self.arg_parser.add_argument("--keep_selection", type=inkex.Boolean, default=True, help="If false, selected paths will be removed")
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self.arg_parser.add_argument("--keep_selection", type=inkex.Boolean, default=False, help="If false, selected paths will be removed")
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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")
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def effect(self):
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lc = vpype.LineCollection() # create a new array of LineStrings consisting of Points. We convert selected paths to polylines and grab their points
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@ -72,10 +96,25 @@ class vpypetools (inkex.EffectExtension):
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# inkex.utils.debug(e)
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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")
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def flatten(node):
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path = node.path.to_superpath()
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bezier.cspsubdiv(path, self.options.flatness)
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newpath = []
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for subpath in path:
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first = True
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for csp in subpath:
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cmd = 'L'
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if first:
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cmd = 'M'
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first = False
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newpath.append([cmd, [csp[1][0], csp[1][1]]])
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node.path = newpath
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def convertPath(node):
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if node.tag == inkex.addNS('path','svg'):
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nodesToConvert.append(node)
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if self.options.flattenbezier is True:
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flatten(node)
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d = node.get('d')
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p = CubicSuperPath(d)
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points = []
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@ -108,7 +147,7 @@ class vpypetools (inkex.EffectExtension):
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#l c.as_mls() #cast LineString array to MultiLineString
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if len(lc) == 0:
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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')
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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')
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return
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doc = vpype.Document() #create new vpype document
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@ -121,12 +160,25 @@ class vpypetools (inkex.EffectExtension):
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traveling_length_before = doc.pen_up_length()
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# build and execute the conversion command
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##########################################
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# Line Sort
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if self.options.linesort is True:
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command = "linesort "
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if self.options.linesort_no_flip:
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if self.options.linesort_no_flip is True:
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command += " --no-flip"
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# inkex.utils.debug(command)
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# Line Merging
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if self.options.linemerge is True:
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command = "linemerge --tolerance " + str(self.options.linemerge_tolerance)
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if self.options.linemerge_no_flip is True:
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command += " --no-flip"
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#inkex.utils.debug(command)
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doc = execute(command, doc)
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##########################################
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# show the vpype document visually
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# there are missing options to set pen_width and pen_opacity. This is anchored in "Engine" class
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if self.options.output_show:
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@ -157,25 +209,39 @@ class vpypetools (inkex.EffectExtension):
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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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if self.options.strokes_to_paths is True:
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cli_output = inkscape(output_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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# new parse the SVG file and insert it as new group into the current document tree
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# converted = etree.parse(output_file).getroot()
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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)
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newGroup = self.document.getroot().add(inkex.Group())
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newGroup.set('style', 'stroke:#000000;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
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for child in converted[0].getchildren():
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newGroup.append(child)
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newGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
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newGroupId = self.svg.get_unique_id('vpypetools-')
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newGroup.set('id', newGroupId)
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#vpype_svg = etree.parse(output_file).getroot().xpath("//svg:g", namespaces=inkex.NSS)
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# the label id is the number of layer_id=None (will start with 1)
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lines = etree.parse(output_file).getroot().xpath("//svg:g[@inkscape:label='1']",namespaces=inkex.NSS)
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vpypeLinesGroup = self.document.getroot().add(inkex.Group())
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vpypeLinesGroup.set('style', 'stroke:#000000;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
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for item in lines:
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for child in item.getchildren():
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vpypeLinesGroup.append(child)
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vpypeLinesGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
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vpypeLinesGroupId = self.svg.get_unique_id('vpypetools-lines-')
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vpypeLinesGroup.set('id', vpypeLinesGroupId)
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if self.options.output_trajectories is True:
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trajectories = etree.parse(output_file).getroot().xpath("//svg:g[@id='pen_up_trajectories']",namespaces=inkex.NSS)
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vpypeTrajectoriesGroup = self.document.getroot().add(inkex.Group())
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vpypeTrajectoriesGroup.set('style', 'stroke:#0000ff;stroke-width:1px;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;fill:none')
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for item in trajectories:
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for child in item.getchildren():
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vpypeTrajectoriesGroup.append(child)
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vpypeTrajectoriesGroup.attrib['transform'] = 'translate(' + str(bbox.left) + ',' + str(bbox.top) + ')'
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vpypeTrajectoriesId = self.svg.get_unique_id('vpypetools-trajectories-')
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vpypeTrajectoriesGroup.set('id', vpypeTrajectoriesId)
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# inkex.utils.debug(self.svg.selection.first()) # get the first selected element. Chould be None
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self.svg.selection.set(newGroupId)
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self.svg.selection.set(vpypeLinesGroupId)
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#inkex.utils.debug(self.svg.selection.first()) # get the first selected element again to check if changing selection has worked
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# we apply transformations also for new group to remove the "translate()" again
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@ -0,0 +1,34 @@
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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>Line Merging (vpype)</name>
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<id>fablabchemnitz.de.vpype_linemerging</id>
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<label appearance="header">Line Merging</label>
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<label>Merge lines whose endings and starts overlap or are very close.</label>
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<param name="linemerge" type="bool" gui-hidden="true">true</param>
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<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>
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<param name="linemerge_no_flip" type="bool" gui-text="no flip" gui-description="Disable reversing stroke direction for merging">false</param>
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<spacer/>
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<label appearance="header">General Settings</label>
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<param name="flattenbezier" type="bool" gui-text="Flatten bezier curves to polylines" gui-description="Converts bezier curves to polylines.">true</param>
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<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>
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<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>
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<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>
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<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
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<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
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<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
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<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>
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<label appearance="header">About</label>
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<separator/>
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<label appearance="url">https://fablabchemnitz.de</label>
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<label>License: GNU GPL v3</label>
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<effect needs-live-preview="true">
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<effects-menu>
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<submenu name="FabLab Chemnitz">
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<submenu name="Modify existing Path(s)"/>
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</submenu>
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</effects-menu>
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</effect>
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<script>
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<command location="inx" interpreter="python">vpypetools.py</command>
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</script>
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</inkscape-extension>
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@ -4,14 +4,18 @@
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<id>fablabchemnitz.de.vpype_linesorting</id>
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<label appearance="header">Line Sorting</label>
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<label>Sort lines to minimize travel distances.</label>
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<param name="linesort" type="bool" gui-hidden="true">true</param>
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<param name="linesort_no_flip" type="bool" gui-text="Disable flipping" gui-description="Disable reversing stroke direction for optimization '--no-flip'">false</param>
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<spacer/>
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<label appearance="header">General Settings</label>
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<param name="flattenbezier" type="bool" gui-text="Flatten bezier curves to polylines" gui-description="Converts bezier curves to polylines.">true</param>
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<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>
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<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>
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<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>
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<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
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<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
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<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths will be removed">false</param>
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<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
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<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>
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<label appearance="header">About</label>
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<separator/>
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<label appearance="url">https://fablabchemnitz.de</label>
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