Jeff Moe
5 years ago
parent
cb92822588
commit
e36049d3d8
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*.swp
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# LASER
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Uses for a LASER to make PCBAs:
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* Cut solder paste stencil.
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* Etch PCB.
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* Serialization/Marking.
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There are two Inkscape plugins that can be used to convert an SVG into gcode.
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* Under the `jtech` directory are Inkscape plugins from J-Tech Photonics
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released under GPLv2+.
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https://jtechphotonics.com/?page_id=2012
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Source:
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marlin-lulzbot-laser -- Marlin firmware for TAZ 6 with J-Tech Photonics LASER.
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https://code.forksand.com/forksand/marlin-lulzbot-laser
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# J-Tech Photonics Inkscape LASER Plugin
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* Inkscape plugins from J-Tech Photonics released under GPLv2+.
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https://jtechphotonics.com/?page_id=2012
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https://jtechphotonics.com/?page_id=1980
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https://jtechphotonics.com/Downloads/Inkscape/JTP_Laser_Tool_V2_2%20-%20inkscape%209_2%20version.zip
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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>DXF Input</_name>
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<id>org.inkscape.input.dxf</id>
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<dependency type="executable" location="extensions">dxf_input.py</dependency>
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<dependency type="executable" location="extensions">inkex.py</dependency>
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<param name="tab" type="notebook">
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<page name="options" _gui-text="Options">
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<param name="auto" type="boolean" _gui-text="Use automatic scaling to size A4">true</param>
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<param name="scale" type="string" _gui-text="Or, use manual scale factor:">1.0</param>
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<param name="gcodetoolspoints" type="boolean" _gui-text="Gcodetools compatible point import">false</param>
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<param name="sep1" type="description">-------------------------------------------------------------------------</param>
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<param name="encoding" type="enum" _gui-text="Character Encoding:">
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<item value="latin_1">Latin 1</item>
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<item value="cp1250">CP 1250</item>
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<item value="cp1252">CP 1252</item>
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<item value="utf_8">UTF 8</item>
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</param>
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</page>
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<page name="help" _gui-text="Help">
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<_param name="inputhelp" type="description" xml:space="preserve">- AutoCAD Release 13 and newer.
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- assume dxf drawing is in mm.
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- assume svg drawing is in pixels, at 90 dpi.
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- layers are preserved only on File->Open, not Import.
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- limited support for BLOCKS, use AutoCAD Explode Blocks instead, if needed.</_param>
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</page>
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</param>
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<input>
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<extension>.dxf</extension>
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<mimetype>image/x-svgz</mimetype>
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<_filetypename>AutoCAD DXF R13 (*.dxf)</_filetypename>
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<_filetypetooltip>Import AutoCAD's Document Exchange Format</_filetypetooltip>
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</input>
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<script>
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<command reldir="extensions" interpreter="python">dxf_input.py</command>
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</script>
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</inkscape-extension>
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#!/usr/bin/env python
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'''
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dxf_input.py - input a DXF file >= (AutoCAD Release 13 == AC1012)
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Copyright (C) 2008, 2009 Alvin Penner, penner@vaxxine.com
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Copyright (C) 2009 Christian Mayer, inkscape@christianmayer.de
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- thanks to Aaron Spike for inkex.py and simplestyle.py
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- without which this would not have been possible
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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'''
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import inkex, simplestyle, math
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from StringIO import StringIO
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from urllib import quote
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def export_MTEXT():
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# mandatory group codes : (1 or 3, 10, 20) (text, x, y)
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if (vals[groups['1']] or vals[groups['3']]) and vals[groups['10']] and vals[groups['20']]:
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x = vals[groups['10']][0]
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y = vals[groups['20']][0]
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# optional group codes : (21, 40, 50) (direction, text height mm, text angle)
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size = 12 # default fontsize in px
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if vals[groups['40']]:
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size = scale*vals[groups['40']][0]
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attribs = {'x': '%f' % x, 'y': '%f' % y, 'style': 'font-size: %.1fpx; fill: %s' % (size, color)}
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angle = 0 # default angle in degrees
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if vals[groups['50']]:
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angle = vals[groups['50']][0]
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attribs.update({'transform': 'rotate (%f %f %f)' % (-angle, x, y)})
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elif vals[groups['21']]:
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if vals[groups['21']][0] == 1.0:
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attribs.update({'transform': 'rotate (%f %f %f)' % (-90, x, y)})
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elif vals[groups['21']][0] == -1.0:
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attribs.update({'transform': 'rotate (%f %f %f)' % (90, x, y)})
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attribs.update({inkex.addNS('linespacing','sodipodi'): '125%'})
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node = inkex.etree.SubElement(layer, 'text', attribs)
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text = ''
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if vals[groups['3']]:
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for i in range (0, len(vals[groups['3']])):
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text += vals[groups['3']][i]
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if vals[groups['1']]:
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text += vals[groups['1']][0]
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found = text.find('\P') # new line
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while found > -1:
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tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})
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tspan.text = text[:found]
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text = text[(found+2):]
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found = text.find('\P')
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tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})
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tspan.text = text
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def export_POINT():
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# mandatory group codes : (10, 20) (x, y)
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if vals[groups['10']] and vals[groups['20']]:
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if options.gcodetoolspoints:
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generate_gcodetools_point(vals[groups['10']][0], vals[groups['20']][0])
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else:
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generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], w/2, 0.0, 1.0, 0.0, 0.0)
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def export_LINE():
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# mandatory group codes : (10, 11, 20, 21) (x1, x2, y1, y2)
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if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']]:
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path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], scale*(vals[groups['11']][0] - xmin), - scale*(vals[groups['21']][0] - ymax))
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attribs = {'d': path, 'style': style}
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inkex.etree.SubElement(layer, 'path', attribs)
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def export_SPLINE():
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# mandatory group codes : (10, 20, 70) (x, y, flags)
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if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:
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if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 4 and len(vals[groups['20']]) == 4:
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path = 'M %f,%f C %f,%f %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2], vals[groups['10']][3], vals[groups['20']][3])
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attribs = {'d': path, 'style': style}
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inkex.etree.SubElement(layer, 'path', attribs)
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if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 3 and len(vals[groups['20']]) == 3:
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path = 'M %f,%f Q %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2])
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attribs = {'d': path, 'style': style}
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inkex.etree.SubElement(layer, 'path', attribs)
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def export_CIRCLE():
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# mandatory group codes : (10, 20, 40) (x, y, radius)
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if vals[groups['10']] and vals[groups['20']] and vals[groups['40']]:
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generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, 0.0, 0.0)
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def export_ARC():
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# mandatory group codes : (10, 20, 40, 50, 51) (x, y, radius, angle1, angle2)
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if vals[groups['10']] and vals[groups['20']] and vals[groups['40']] and vals[groups['50']] and vals[groups['51']]:
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generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, vals[groups['50']][0]*math.pi/180.0, vals[groups['51']][0]*math.pi/180.0)
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def export_ELLIPSE():
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# mandatory group codes : (10, 11, 20, 21, 40, 41, 42) (xc, xm, yc, ym, width ratio, angle1, angle2)
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if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']] and vals[groups['40']] and vals[groups['41']] and vals[groups['42']]:
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generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['11']][0], scale*vals[groups['21']][0], vals[groups['40']][0], vals[groups['41']][0], vals[groups['42']][0])
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def export_LEADER():
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# mandatory group codes : (10, 20) (x, y)
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if vals[groups['10']] and vals[groups['20']]:
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if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):
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path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])
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for i in range (1, len(vals[groups['10']])):
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path += ' %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])
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attribs = {'d': path, 'style': style}
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inkex.etree.SubElement(layer, 'path', attribs)
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def export_LWPOLYLINE():
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# mandatory group codes : (10, 20, 70) (x, y, flags)
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if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:
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if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):
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a=seqs
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if (seqs[-2]=='42' or seqs[-1]=='42') and vals[groups['70']][0]==1:
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if seqs[-1]=='42':
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a=seqs
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a.append("10")
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a.append("20")
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else:
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a=seqs[0:-1]
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a.append("10")
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a.append("20")
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a.append(seqs[-1])
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vals[groups['10']].append(vals[groups['10']][0])
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vals[groups['20']].append(vals[groups['20']][0])
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# optional group codes : (42) (bulge)
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iseqs = 0
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ibulge = 0
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while a[iseqs] != '20':
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iseqs += 1
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path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])
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xold = vals[groups['10']][0]
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yold = vals[groups['20']][0]
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for i in range (1, len(vals[groups['10']])):
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bulge = 0
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iseqs += 1
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while a[iseqs] != '20':
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if a[iseqs] == '42':
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bulge = vals[groups['42']][ibulge]
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ibulge += 1
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iseqs += 1
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if bulge:
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sweep = 0 # sweep CCW
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if bulge < 0:
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sweep = 1 # sweep CW
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bulge = -bulge
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large = 0 # large-arc-flag
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if bulge > 1:
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large = 1
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r = math.sqrt((vals[groups['10']][i] - xold)**2 + (vals[groups['20']][i] - yold)**2)
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r = 0.25*r*(bulge + 1.0/bulge)
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path += ' A %f,%f 0.0 %d %d %f,%f' % (r, r, large, sweep, vals[groups['10']][i], vals[groups['20']][i])
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else:
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path += ' L %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])
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xold = vals[groups['10']][i]
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yold = vals[groups['20']][i]
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if vals[groups['70']][0] == 1: # closed path
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path += ' z'
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attribs = {'d': path, 'style': style}
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inkex.etree.SubElement(layer, 'path', attribs)
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def export_HATCH():
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# mandatory group codes : (10, 20, 70, 72, 92, 93) (x, y, fill, Edge Type, Path Type, Number of edges)
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if vals[groups['10']] and vals[groups['20']] and vals[groups['70']] and vals[groups['72']] and vals[groups['92']] and vals[groups['93']]:
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if vals[groups['70']][0] and len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):
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# optional group codes : (11, 21, 40, 50, 51, 73) (x, y, r, angle1, angle2, CCW)
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i10 = 1 # count start points
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i11 = 0 # count line end points
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i40 = 0 # count circles
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i72 = 0 # count edge type flags
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path = ''
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for i in range (0, len(vals[groups['93']])):
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xc = vals[groups['10']][i10]
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yc = vals[groups['20']][i10]
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if vals[groups['72']][i72] == 2: # arc
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rm = scale*vals[groups['40']][i40]
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a1 = vals[groups['50']][i40]
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path += 'M %f,%f ' % (xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))
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else:
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a1 = 0
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path += 'M %f,%f ' % (xc, yc)
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for j in range(0, vals[groups['93']][i]):
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if vals[groups['92']][i] & 2: # polyline
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if j > 0:
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path += 'L %f,%f ' % (vals[groups['10']][i10], vals[groups['20']][i10])
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if j == vals[groups['93']][i] - 1:
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i72 += 1
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elif vals[groups['72']][i72] == 2: # arc
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xc = vals[groups['10']][i10]
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yc = vals[groups['20']][i10]
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rm = scale*vals[groups['40']][i40]
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a2 = vals[groups['51']][i40]
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diff = (a2 - a1 + 360) % (360)
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sweep = 1 - vals[groups['73']][i40] # sweep CCW
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large = 0 # large-arc-flag
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if diff:
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path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a2*math.pi/180.0), yc + rm*math.sin(a2*math.pi/180.0))
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else:
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path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos((a1+180.0)*math.pi/180.0), yc + rm*math.sin((a1+180.0)*math.pi/180.0))
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path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))
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i40 += 1
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i72 += 1
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elif vals[groups['72']][i72] == 1: # line
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path += 'L %f,%f ' % (scale*(vals[groups['11']][i11] - xmin), -scale*(vals[groups['21']][i11] - ymax))
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i11 += 1
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i72 += 1
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||||||
|
i10 += 1
|
||||||
|
path += "z "
|
||||||
|
style = simplestyle.formatStyle({'fill': '%s' % color})
|
||||||
|
attribs = {'d': path, 'style': style}
|
||||||
|
inkex.etree.SubElement(layer, 'path', attribs)
|
||||||
|
|
||||||
|
def export_DIMENSION():
|
||||||
|
# mandatory group codes : (10, 11, 13, 14, 20, 21, 23, 24) (x1..4, y1..4)
|
||||||
|
if vals[groups['10']] and vals[groups['11']] and vals[groups['13']] and vals[groups['14']] and vals[groups['20']] and vals[groups['21']] and vals[groups['23']] and vals[groups['24']]:
|
||||||
|
dx = abs(vals[groups['10']][0] - vals[groups['13']][0])
|
||||||
|
dy = abs(vals[groups['20']][0] - vals[groups['23']][0])
|
||||||
|
if (vals[groups['10']][0] == vals[groups['14']][0]) and dx > 0.00001:
|
||||||
|
d = dx/scale
|
||||||
|
dy = 0
|
||||||
|
path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['13']][0], vals[groups['20']][0])
|
||||||
|
elif (vals[groups['20']][0] == vals[groups['24']][0]) and dy > 0.00001:
|
||||||
|
d = dy/scale
|
||||||
|
dx = 0
|
||||||
|
path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][0], vals[groups['23']][0])
|
||||||
|
else:
|
||||||
|
return
|
||||||
|
attribs = {'d': path, 'style': style + '; marker-start: url(#DistanceX); marker-end: url(#DistanceX)'}
|
||||||
|
inkex.etree.SubElement(layer, 'path', attribs)
|
||||||
|
x = scale*(vals[groups['11']][0] - xmin)
|
||||||
|
y = - scale*(vals[groups['21']][0] - ymax)
|
||||||
|
size = 12 # default fontsize in px
|
||||||
|
if vals[groups['3']]:
|
||||||
|
if DIMTXT.has_key(vals[groups['3']][0]):
|
||||||
|
size = scale*DIMTXT[vals[groups['3']][0]]
|
||||||
|
if size < 2:
|
||||||
|
size = 2
|
||||||
|
attribs = {'x': '%f' % x, 'y': '%f' % y, 'style': 'font-size: %.1fpx; fill: %s' % (size, color)}
|
||||||
|
if dx == 0:
|
||||||
|
attribs.update({'transform': 'rotate (%f %f %f)' % (-90, x, y)})
|
||||||
|
node = inkex.etree.SubElement(layer, 'text', attribs)
|
||||||
|
tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})
|
||||||
|
tspan.text = str(float('%.2f' % d))
|
||||||
|
|
||||||
|
def export_INSERT():
|
||||||
|
# mandatory group codes : (2, 10, 20) (block name, x, y)
|
||||||
|
if vals[groups['2']] and vals[groups['10']] and vals[groups['20']]:
|
||||||
|
x = vals[groups['10']][0]
|
||||||
|
y = vals[groups['20']][0] - scale*ymax
|
||||||
|
attribs = {'x': '%f' % x, 'y': '%f' % y, inkex.addNS('href','xlink'): '#' + quote(vals[groups['2']][0].encode("utf-8"))}
|
||||||
|
inkex.etree.SubElement(layer, 'use', attribs)
|
||||||
|
|
||||||
|
def export_BLOCK():
|
||||||
|
# mandatory group codes : (2) (block name)
|
||||||
|
if vals[groups['2']]:
|
||||||
|
global block
|
||||||
|
block = inkex.etree.SubElement(defs, 'symbol', {'id': vals[groups['2']][0]})
|
||||||
|
|
||||||
|
def export_ENDBLK():
|
||||||
|
global block
|
||||||
|
block = defs # initiallize with dummy
|
||||||
|
|
||||||
|
def export_ATTDEF():
|
||||||
|
# mandatory group codes : (1, 2) (default, tag)
|
||||||
|
if vals[groups['1']] and vals[groups['2']]:
|
||||||
|
vals[groups['1']][0] = vals[groups['2']][0]
|
||||||
|
export_MTEXT()
|
||||||
|
|
||||||
|
def generate_ellipse(xc, yc, xm, ym, w, a1, a2):
|
||||||
|
rm = math.sqrt(xm*xm + ym*ym)
|
||||||
|
a = math.atan2(ym, xm)
|
||||||
|
diff = (a2 - a1 + 2*math.pi) % (2*math.pi)
|
||||||
|
if abs(diff) > 0.0000001 and abs(diff - 2*math.pi) > 0.0000001: # open arc
|
||||||
|
large = 0 # large-arc-flag
|
||||||
|
if diff > math.pi:
|
||||||
|
large = 1
|
||||||
|
xt = rm*math.cos(a1)
|
||||||
|
yt = w*rm*math.sin(a1)
|
||||||
|
x1 = xt*math.cos(a) - yt*math.sin(a)
|
||||||
|
y1 = xt*math.sin(a) + yt*math.cos(a)
|
||||||
|
xt = rm*math.cos(a2)
|
||||||
|
yt = w*rm*math.sin(a2)
|
||||||
|
x2 = xt*math.cos(a) - yt*math.sin(a)
|
||||||
|
y2 = xt*math.sin(a) + yt*math.cos(a)
|
||||||
|
path = 'M %f,%f A %f,%f %f %d 0 %f,%f' % (xc+x1, yc-y1, rm, w*rm, -180.0*a/math.pi, large, xc+x2, yc-y2)
|
||||||
|
else: # closed arc
|
||||||
|
path = 'M %f,%f A %f,%f %f 1 0 %f,%f %f,%f %f 1 0 %f,%f z' % (xc+xm, yc-ym, rm, w*rm, -180.0*a/math.pi, xc-xm, yc+ym, rm, w*rm, -180.0*a/math.pi, xc+xm, yc-ym)
|
||||||
|
attribs = {'d': path, 'style': style}
|
||||||
|
inkex.etree.SubElement(layer, 'path', attribs)
|
||||||
|
|
||||||
|
def generate_gcodetools_point(xc, yc):
|
||||||
|
path= 'm %s,%s 2.9375,-6.343750000001 0.8125,1.90625 6.843748640396,-6.84374864039 0,0 0.6875,0.6875 -6.84375,6.84375 1.90625,0.812500000001 z' % (xc,yc)
|
||||||
|
attribs = {'d': path, 'dxfpoint':'1', 'style': 'stroke:#ff0000;fill:#ff0000'}
|
||||||
|
inkex.etree.SubElement(layer, 'path', attribs)
|
||||||
|
|
||||||
|
def get_line():
|
||||||
|
return (stream.readline().strip(), stream.readline().strip())
|
||||||
|
|
||||||
|
def get_group(group):
|
||||||
|
line = get_line()
|
||||||
|
if line[0] == group:
|
||||||
|
return float(line[1])
|
||||||
|
else:
|
||||||
|
return 0.0
|
||||||
|
|
||||||
|
# define DXF Entities and specify which Group Codes to monitor
|
||||||
|
|
||||||
|
entities = {'MTEXT': export_MTEXT, 'TEXT': export_MTEXT, 'POINT': export_POINT, 'LINE': export_LINE, 'SPLINE': export_SPLINE, 'CIRCLE': export_CIRCLE, 'ARC': export_ARC, 'ELLIPSE': export_ELLIPSE, 'LEADER': export_LEADER, 'LWPOLYLINE': export_LWPOLYLINE, 'HATCH': export_HATCH, 'DIMENSION': export_DIMENSION, 'INSERT': export_INSERT, 'BLOCK': export_BLOCK, 'ENDBLK': export_ENDBLK, 'ATTDEF': export_ATTDEF, 'DICTIONARY': False}
|
||||||
|
groups = {'1': 0, '2': 1, '3': 2, '6': 3, '8': 4, '10': 5, '11': 6, '13': 7, '14': 8, '20': 9, '21': 10, '23': 11, '24': 12, '40': 13, '41': 14, '42': 15, '50': 16, '51': 17, '62': 18, '70': 19, '72': 20, '73': 21, '92': 22, '93': 23, '370': 24}
|
||||||
|
colors = { 1: '#FF0000', 2: '#FFFF00', 3: '#00FF00', 4: '#00FFFF', 5: '#0000FF',
|
||||||
|
6: '#FF00FF', 8: '#414141', 9: '#808080', 12: '#BD0000', 30: '#FF7F00',
|
||||||
|
250: '#333333', 251: '#505050', 252: '#696969', 253: '#828282', 254: '#BEBEBE', 255: '#FFFFFF'}
|
||||||
|
|
||||||
|
parser = inkex.optparse.OptionParser(usage="usage: %prog [options] SVGfile", option_class=inkex.InkOption)
|
||||||
|
parser.add_option("--auto", action="store", type="inkbool", dest="auto", default=True)
|
||||||
|
parser.add_option("--scale", action="store", type="string", dest="scale", default="1.0")
|
||||||
|
parser.add_option("--gcodetoolspoints", action="store", type="inkbool", dest="gcodetoolspoints", default=True)
|
||||||
|
parser.add_option("--encoding", action="store", type="string", dest="input_encode", default="latin_1")
|
||||||
|
parser.add_option("--tab", action="store", type="string", dest="tab", default="Options")
|
||||||
|
parser.add_option("--inputhelp", action="store", type="string", dest="inputhelp", default="")
|
||||||
|
(options, args) = parser.parse_args(inkex.sys.argv[1:])
|
||||||
|
doc = inkex.etree.parse(StringIO('<svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"></svg>'))
|
||||||
|
desc = inkex.etree.SubElement(doc.getroot(), 'desc', {})
|
||||||
|
defs = inkex.etree.SubElement(doc.getroot(), 'defs', {})
|
||||||
|
marker = inkex.etree.SubElement(defs, 'marker', {'id': 'DistanceX', 'orient': 'auto', 'refX': '0.0', 'refY': '0.0', 'style': 'overflow:visible'})
|
||||||
|
inkex.etree.SubElement(marker, 'path', {'d': 'M 3,-3 L -3,3 M 0,-5 L 0,5', 'style': 'stroke:#000000; stroke-width:0.5'})
|
||||||
|
stream = open(args[0], 'r')
|
||||||
|
xmax = xmin = 0.0
|
||||||
|
ymax = 297.0 # default A4 height in mm
|
||||||
|
line = get_line()
|
||||||
|
flag = 0 # (0, 1, 2, 3) = (none, LAYER, LTYPE, DIMTXT)
|
||||||
|
layer_colors = {} # store colors by layer
|
||||||
|
layer_nodes = {} # store nodes by layer
|
||||||
|
linetypes = {} # store linetypes by name
|
||||||
|
DIMTXT = {} # store DIMENSION text sizes
|
||||||
|
|
||||||
|
while line[0] and line[1] != 'BLOCKS':
|
||||||
|
line = get_line()
|
||||||
|
if options.auto:
|
||||||
|
if line[1] == '$EXTMIN':
|
||||||
|
xmin = get_group('10')
|
||||||
|
if line[1] == '$EXTMAX':
|
||||||
|
xmax = get_group('10')
|
||||||
|
ymax = get_group('20')
|
||||||
|
if flag == 1 and line[0] == '2':
|
||||||
|
layername = unicode(line[1], options.input_encode)
|
||||||
|
attribs = {inkex.addNS('groupmode','inkscape'): 'layer', inkex.addNS('label','inkscape'): '%s' % layername}
|
||||||
|
layer_nodes[layername] = inkex.etree.SubElement(doc.getroot(), 'g', attribs)
|
||||||
|
if flag == 2 and line[0] == '2':
|
||||||
|
linename = unicode(line[1], options.input_encode)
|
||||||
|
linetypes[linename] = []
|
||||||
|
if flag == 3 and line[0] == '2':
|
||||||
|
stylename = unicode(line[1], options.input_encode)
|
||||||
|
if line[0] == '2' and line[1] == 'LAYER':
|
||||||
|
flag = 1
|
||||||
|
if line[0] == '2' and line[1] == 'LTYPE':
|
||||||
|
flag = 2
|
||||||
|
if line[0] == '2' and line[1] == 'DIMSTYLE':
|
||||||
|
flag = 3
|
||||||
|
if flag == 1 and line[0] == '62':
|
||||||
|
layer_colors[layername] = int(line[1])
|
||||||
|
if flag == 2 and line[0] == '49':
|
||||||
|
linetypes[linename].append(float(line[1]))
|
||||||
|
if flag == 3 and line[0] == '140':
|
||||||
|
DIMTXT[stylename] = float(line[1])
|
||||||
|
if line[0] == '0' and line[1] == 'ENDTAB':
|
||||||
|
flag = 0
|
||||||
|
|
||||||
|
if options.auto:
|
||||||
|
scale = 1.0
|
||||||
|
if xmax > xmin:
|
||||||
|
scale = 210.0/(xmax - xmin) # scale to A4 width
|
||||||
|
else:
|
||||||
|
scale = float(options.scale) # manual scale factor
|
||||||
|
desc.text = '%s - scale = %f' % (unicode(args[0], options.input_encode), scale)
|
||||||
|
scale *= 90.0/25.4 # convert from mm to pixels
|
||||||
|
|
||||||
|
if not layer_nodes:
|
||||||
|
attribs = {inkex.addNS('groupmode','inkscape'): 'layer', inkex.addNS('label','inkscape'): '0'}
|
||||||
|
layer_nodes['0'] = inkex.etree.SubElement(doc.getroot(), 'g', attribs)
|
||||||
|
layer_colors['0'] = 7
|
||||||
|
|
||||||
|
for linename in linetypes.keys(): # scale the dashed lines
|
||||||
|
linetype = ''
|
||||||
|
for length in linetypes[linename]:
|
||||||
|
linetype += '%.4f,' % math.fabs(length*scale)
|
||||||
|
linetypes[linename] = 'stroke-dasharray:' + linetype
|
||||||
|
|
||||||
|
entity = ''
|
||||||
|
block = defs # initiallize with dummy
|
||||||
|
while line[0] and line[1] != 'DICTIONARY':
|
||||||
|
line = get_line()
|
||||||
|
if entity and groups.has_key(line[0]):
|
||||||
|
seqs.append(line[0]) # list of group codes
|
||||||
|
if line[0] == '1' or line[0] == '2' or line[0] == '3' or line[0] == '6' or line[0] == '8': # text value
|
||||||
|
val = line[1].replace('\~', ' ')
|
||||||
|
val = inkex.re.sub( '\\\\A.*;', '', val)
|
||||||
|
val = inkex.re.sub( '\\\\H.*;', '', val)
|
||||||
|
val = inkex.re.sub( '\\^I', '', val)
|
||||||
|
val = inkex.re.sub( '{\\\\L', '', val)
|
||||||
|
val = inkex.re.sub( '}', '', val)
|
||||||
|
val = inkex.re.sub( '\\\\S.*;', '', val)
|
||||||
|
val = inkex.re.sub( '\\\\W.*;', '', val)
|
||||||
|
val = unicode(val, options.input_encode)
|
||||||
|
val = val.encode('unicode_escape')
|
||||||
|
val = inkex.re.sub( '\\\\\\\\U\+([0-9A-Fa-f]{4})', '\\u\\1', val)
|
||||||
|
val = val.decode('unicode_escape')
|
||||||
|
elif line[0] == '62' or line[0] == '70' or line[0] == '92' or line[0] == '93':
|
||||||
|
val = int(line[1])
|
||||||
|
elif line[0] == '10' or line[0] == '13' or line[0] == '14': # scaled float x value
|
||||||
|
val = scale*(float(line[1]) - xmin)
|
||||||
|
elif line[0] == '20' or line[0] == '23' or line[0] == '24': # scaled float y value
|
||||||
|
val = - scale*(float(line[1]) - ymax)
|
||||||
|
else: # unscaled float value
|
||||||
|
val = float(line[1])
|
||||||
|
vals[groups[line[0]]].append(val)
|
||||||
|
elif entities.has_key(line[1]):
|
||||||
|
if entities.has_key(entity):
|
||||||
|
if block != defs: # in a BLOCK
|
||||||
|
layer = block
|
||||||
|
elif vals[groups['8']]: # use Common Layer Name
|
||||||
|
layer = layer_nodes[vals[groups['8']][0]]
|
||||||
|
color = '#000000' # default color
|
||||||
|
if vals[groups['8']]:
|
||||||
|
if layer_colors.has_key(vals[groups['8']][0]):
|
||||||
|
if colors.has_key(layer_colors[vals[groups['8']][0]]):
|
||||||
|
color = colors[layer_colors[vals[groups['8']][0]]]
|
||||||
|
if vals[groups['62']]: # Common Color Number
|
||||||
|
if colors.has_key(vals[groups['62']][0]):
|
||||||
|
color = colors[vals[groups['62']][0]]
|
||||||
|
style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none'})
|
||||||
|
w = 0.5 # default lineweight for POINT
|
||||||
|
if vals[groups['370']]: # Common Lineweight
|
||||||
|
if vals[groups['370']][0] > 0:
|
||||||
|
w = 90.0/25.4*vals[groups['370']][0]/00.0
|
||||||
|
if w < 0.5:
|
||||||
|
w = 0.5
|
||||||
|
style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none', 'stroke-width': '%.1f' % w})
|
||||||
|
if vals[groups['6']]: # Common Linetype
|
||||||
|
if linetypes.has_key(vals[groups['6']][0]):
|
||||||
|
style += ';' + linetypes[vals[groups['6']][0]]
|
||||||
|
entities[entity]()
|
||||||
|
entity = line[1]
|
||||||
|
vals = [[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]
|
||||||
|
seqs = []
|
||||||
|
|
||||||
|
doc.write(inkex.sys.stdout)
|
||||||
|
|
||||||
|
# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
|
||||||
@ -0,0 +1,36 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
|
||||||
|
<_name>J Tech Photonics Laser Tool</_name>
|
||||||
|
<id>jtechphotonics.com</id>
|
||||||
|
<dependency type="executable" location="extensions">laser.py</dependency>
|
||||||
|
<dependency type="executable" location="extensions">inkex.py</dependency>
|
||||||
|
|
||||||
|
<param name="laser-command" type="string" _gui-text="Laser ON Command:">M03</param>
|
||||||
|
<param name="laser-off-command" type="string" _gui-text="Laser OFF Command:">M05</param>
|
||||||
|
<param name="travel-speed" type="int" min="0" max="15000" _gui-text="Travel Speed (mm/min or in/min):">3000</param>
|
||||||
|
<param name="laser-speed" type="int" min="0" max="15000" _gui-text="Laser Speed (mm/min or in/min):">750</param>
|
||||||
|
<param name="laser-power" type="int" min="0" max="20000" _gui-text="Laser Power S# (0-255 or 0-12000):">255</param>
|
||||||
|
<param name="power-delay" type="float" min="0" max="1000" _gui-text="Power-On Delay (ms or s):">0</param>
|
||||||
|
<param name="passes" type="int" min="1" max="100" _gui-text="Passes:">1</param>
|
||||||
|
<param name="pass-depth" type="float" min="0" max="10" _gui-text="Pass Depth (mm or in):">1</param>
|
||||||
|
<param name="directory" type="string" _gui-text="Directory:"></param>
|
||||||
|
<param name="filename" type="string" _gui-text="Filename:">output.gcode</param>
|
||||||
|
<param name="add-numeric-suffix-to-filename" type="boolean" _gui-text="Add numeric suffix to filename">true</param>
|
||||||
|
|
||||||
|
<param name="unit" type="enum" _gui-text="All Units (mm or in):">
|
||||||
|
<item value="G21 (All units in mm)">mm</item>
|
||||||
|
<item value="G20 (All units in inches)">in</item>
|
||||||
|
</param>
|
||||||
|
|
||||||
|
<effect>
|
||||||
|
<effects-menu>
|
||||||
|
<submenu _name="Generate Laser Gcode"/>
|
||||||
|
</effects-menu>
|
||||||
|
<object-type>path</object-type>
|
||||||
|
</effect>
|
||||||
|
|
||||||
|
<script>
|
||||||
|
<command reldir="extensions" interpreter="python">laser.py</command>
|
||||||
|
</script>
|
||||||
|
|
||||||
|
</inkscape-extension>
|
||||||
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Reference in new issue