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Gri is a language for scientific graphics applications. By 'language' I mean
that it is a command-driven application, as opposed to a click/point
application. It is analogous to latex or tex, and shares the property that
extensive power is the reward for tolerating a modest learning curve. Gri
output is in industry-standard PostScript, suitable for incorporation in
documents prepared by various text processors. Gri can make x-y graphs,
contour-graphs, and image graphs. In addition to high-level capabilities, it
has enough low-level capabilities to allow users to achieve a high degree of
customization. Precise control is extended to all aspects of drawing, including
line-widths, colors, and fonts. Text includes a subset of the tex language, so
that it is easy to incorporate Greek letters and mathematical symbols in labels.
WWW: http://gri.sourceforge.net/
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