isosurface



Hi CCL'ers
 Can somebody sugest me free or working-demo program that can plot
 3d-isosurfaces from discrete data (not just functions)? The best
 would be if I could choose value of F(x,y,z) that I want to plot.
 It can be for one of systems like: Linux, Windoof or Aix.
 regards
   Krzys Radacki
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