Popen( command, shell = True, stdout = subprocess. # Test if autotrace is installed and in path hairline_width = 0.1 # Width of hairline filter_equal_light = 0.0 # Use 1.0 with photos. filter_median = 0 # 0 to disable median filter. candidates = 15 # Number of autotrace candidate runs. replace_image = False # True: remove image object when adding path object. invert_image = False # True: trace bright lines. megapixel_limit = 2.0 # max image size (limit needed, as we have no progress indicator) autotrace_opts = # extra options for autotrace tuning. Inkscape Extension make long continuous paths from smaller parts append( '/usr/share/inkscape/extensions')
environ += ':/usr/local/bin:/usr/local/lib' environ += ':/Applications/autotrace.app/Contents/MacOS' get( 'HOME', '') + '/.config/inkscape/extensions' environ += ':/Applications/Inkscape.app/Contents/Resources/extensions' append( '/Applications/Inkscape.app/Contents/Resources/extensions') pathsep + 'C:\Program Files\AutoTrace'Įlif sys_platform. pathsep + 'C:\Program Files (x86)\AutoTrace' pathsep + 'C:\Program Files\Inkscape\share\extensions' append( 'C:\Program Files\Inkscape\share\extensions') # search path, so that inkscape libraries are found when we are standalone. Import sys, os, re, math, tempfile, subprocess, base64, time _version_ = '0.8d' # Keep in sync with centerline-trace.inx ca. # jw, V0.8d - Pad one pixel border to images, so that lines touching edges are recognized by autotrace. # jw, V0.8b - New option: cliprect, hairline, at_filter_iterations, at_error_threshold added. # jw, V0.8 - MacOS instructions updated and MacOS path added for autotrace 0.40.0 from # jw, V0.7b - require python-lxml for deb. # jw, - usual suspects for paths to find autotrace on osx. # jw, V0.7 - transparency: use black background when the ' trace white line' is enabled. # jw, V0.6 - support transparent PNG images by applying white background # jw, V0.5 - support embedded jpeg (and possibly other file types) # jw, V0.3 - equal spatial illumination applied.
# jw, V0.2 - first usable inkscape-extension # The svg that has the longest path but the least number of # We count the number of line segments produced and
# best threshold value, we run autotrace at multiple thresholds # The input image is converted to a graymap and histogram normalized with.
# We want a stroke represented by a single path (optionally with line-width) , # it would always draw a path around the contour of the # the builtin potrace in inkscape cannot do centerline. # This is done with autotrace -centerline, as # as a path along the centerline of the strokes. # vectorize strokes in a graymap png file # code snippets visited to learn the extension 'effect' interface: # (C) 2016 Distribute under GPL-2.0 or ask. # Inkscape extension to vectorize bitmaps by tracing along the center of lines
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