I often use the 'trace bitmap' function in Inkscape to create a vector image from a raster image. However, on larger or more complicated bitmaps, the program completely freezes. GUIs being what they are, I know that a command-line based approach would suit the task. So what's a good way to do that?
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1You may have a better chance for an answer on superuser?– HemiCommented Jan 18, 2011 at 6:56
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Not an answer, but I can't imagine wanting to do such a visual task in a CLI...– e100Commented Jan 18, 2011 at 11:33
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1@e100 It's a matter of clicking a tab and choosing a brightness cutoff. I'm not talking about tracing it using a tablet.– ixtmixilixCommented Jan 20, 2011 at 16:02
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OK - I haven't used Inkscape to be honest, but in other apps tracing generally involves tweaking several factors interactively.– e100Commented Jan 20, 2011 at 18:52
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2 Answers
The software that powers Inkscape's bitmap tracing function is actually a non-GUI program called Potrace, so you're in luck:
http://potrace.sourceforge.net/
Download here: http://potrace.sourceforge.net/#downloading
This one also supports centerline (for CAD) https://github.com/autotrace/autotrace
