diff -r a519e3ac3849 -r 234ad2069fdd svg2gcode/svg2gcode.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/svg2gcode/svg2gcode.py Sat Nov 07 13:37:23 2015 +0100 @@ -0,0 +1,55 @@ +#!/usr/bin/env python +import svg, sys +from gcode import Gcode +from optparse import OptionParser + +parser = OptionParser() +parser.add_option("-f", "--file", dest="filename", default=None, + help="Load SVG file", metavar="FILE") +parser.add_option("-s", "--scale", + dest="scale", type="float", default=1.0, + help="set scale factor (default 1.0)") +parser.add_option("-e", "", + dest="engrave_speed", type="float", default=20, + help="engrave speed mm/sec (default 20)") +parser.add_option("-t", "", + dest="travel_speed", type="float", default=130, + help="travel speed mm/sec (default 130)") + + +(options, args) = parser.parse_args() + + +if not options.filename: + print "no filename given!" + sys.exit(1) + +gcode = Gcode(scale=options.scale, travel_speed=options.travel_speed, engrave_speed=options.engrave_speed) + +im = svg.parse(options.filename) +b1, b2 = im.bbox() +width, height = b2.coord() +print "Original dimension: %.2f x %.2f" % (width, height) +width *= gcode.mm_pixel * options.scale +height *= gcode.mm_pixel * options.scale +print "Print dimension: %.2fmm x %.2fmm" % (width, height) + +def normalize(coord): + x = coord[0] + y = coord[1] + # flip y + y = (b2.coord()[1] - y) + return (x, y) + +data = im.flatten() +for d in data: + if hasattr(d, "segments"): + for l in d.segments(1): + x, y = normalize(l[0].coord()) + gcode.move(x, y) + for pt in l[1:]: + x, y = normalize(pt.coord()) + gcode.engrave(x, y) + +# write gcode file +gcode.write(options.filename + ".g")