On 4 March 2009 13:24:22 Star Liu wrote: I suggest you check out the sites and maybe ask some > >> > specific questions (not "which is better") on the appropriate > >> > forums/mailing lists and decide which is better for you. > >> > > >> > Kelly Clowers > >> > >> thank you. My task is to make a "Optical Freedom Surfaces Design > >> Tool", for example, given a math expression for a surface, I will > >> display the 2D/3D picture of the surface, and do some other operation > >> around the surface. > > > > Lots of free software do that already. A single search gave me: > > Opencascade, k3dsurf, Genius.... > > thank you very much, it seems they are all good and just what i need, > i have to choose the best one again, do you have any idea? > > > -- As Kelly already told you, check out their site and make up your mind on which one best suit your needs. PS: Don't CC people unless they say it specificaly, as we are on the mailing list. Thierry
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