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28 lines
771 B
Text
28 lines
771 B
Text
How to trace a bitmap to svg in multiple colors:
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Dependencies: imagemagick, netpbm, potrace
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Generate the PPM format from PNG:
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convert download.png download.ppm
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Generate a mask file for each color of the file:
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ppmcolormask "#184d47" download.ppm > download-mask1.pbm
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ppmcolormask "#66462C" download.ppm > download-mask2.pbm
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Then trace the bitmap (bitmap -> svg):
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potrace --flat -b svg download-mask1.pbm -o download1.svg
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potrace --flat -b svg download-mask2.pbm -o download2.svg
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Extract a list of colors from an image:
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convert download.png +dither -colors 10 -unique-colors txt:
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Articles:
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- http://confluence.concord.org/display/CCTR/Removing%20Antialiasing.html
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- http://confluence.concord.org/display/CCTR/Tracing%20Color%20Raster%20Images.html
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