continous coupled cellular automaton in OpengGL/GLSL exported to full colour RGB24 PPM image, with edge detection

median cut in C exporting each of the colours to its own black on white PGM image (this one had 5 colours)

potrace from bi-level bitmap to monochrome vector SVG image, one per colour

geany text edited the 5x SVGs into one SVG document with some pattern fill defs, changed the fill of each layer to one of the patterns, added stroke.

inkscape converted to PDF

okular displayed PDF

gimp took screenshot

TODO: shell script to automate it
TODO: make more patterns to fill with

@rra :) thanks

the weight of the hatched lines is too heavy and the spacing is too wide, for my taste this evening

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hmmm, with narrow everything it doesn't print well - visible aliasing both horizontally (thin vertical gaps occasionally) and vertically (slightly thicker horizontal lines occasionally), not sure where it's coming from (printer is allegedly at 1440dpi, PDF is vector). maybe some part of the print head is clogged due to the third party ink cartridges I bought last time.

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