plotutils

C library for creating and exporting 2D vector graphics

brewmacoslinux

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

graphplotpic2plottek2plotplotfont

convert raw plot data to postscript vector graphics$ graph -T ps data.txt > output.ps

draw line graph from text coordinates$ echo -e '0 0\n1 1\n2 4' | graph -T png > graph.png

convert tek format graphics file to pdf$ tek2plot -T pdf input.tek > output.pdf

create svg vector graphic from plot data$ plot -T svg data.txt > graphic.svg

list available fonts for plotting$ plotfont -T png | display -