plotutils

C/C++ library for exporting 2-D vector graphics to various formats

brewmacoslinux

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C/C++ function library for exporting 2-D vector graphics

graphpic2plotplotfontplot

Create a simple graph from data points and export to PNG

$ echo '0 0
1 1
2 4
3 9' | graph -T png > output.png

Convert PIC file format to PostScript$ pic2plot -T ps input.pic > output.ps

Display available fonts for plotting$ plotfont -T X