It can plot 2d and 3d meshes, with shadowing, contour
plots, vector fields, iso-contour (3d), as well as 3d surfaces
z=f(x,y) defined by an algebraic expression or a cloud of
points. It generates high quality vector PostScript files for
scientific publications and still or animated bitmap images.
It includes the graph plotter xgraphic.
PR: 56986
Submitted by: thierry@pompo.net