[IPOL discuss] meeting notes

[Pascal Getreuer]

> # graph output
> ##############
>
> We agree that many demos will probably need to display some graph data
> (line graphs, histograms, ...). To make it easy, the programs should
> produce the numeric data in a well-defined format (probably similar to
> csv files), and we will have a few simple functions in the demo system
> to transform these data files into a graph image. Miguel will propose
> the data file format and the graphing functions to be added to the
> demo library.

Rather than rolling our own, what about Gnuplot?

   http://www.gnuplot.info/

Gnuplot has a well-documented language for specifying data and
commands to create and customize many kinds of 2D and 3D plots.
Gnuplot can then save these plots to PNG, SVG, PDF, etc.

Best,
Pascal