libwebplot documentation
libwebplot is a C library for generating 2D Plots, heatplots, and histograms in a web environment (in the form of pngs or jpegs). Similar libraries exist in other languages (e.g. GD::Graph in Perl) but have speed problems when dealing with extremely large datasets. Fast plotting abilities exist in gnuplot and R, but these are not the most convenient in a web environment, as they require generating temporary files.
A function reference is available here.
libwebplot builds on the excellent foundation provided by the GD Graphics Library at Boutell. It also borrows ideas/code (particularly the clever axis scaling routine) from qwt.
Suggestions and bugs can be sent to Jeremiah Faith (faith@bu.edu).
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1.4.4