Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!lavaca.uh.edu!jetson.uh.edu!chem4m From: chem4m@jetson.uh.edu Newsgroups: comp.graphics Subject: 3d balls Message-ID: <8032.276df759@jetson.uh.edu> Date: 18 Dec 90 17:02:49 GMT Organization: University of Houston Lines: 15 I hope this isn't way out in left field but, I am actually a chemistry major trying to write a small molecular drawing program, I have succeeded in making it draw neat arced balls (with TP) however I would like to know if there are any routines currently available that will draw a round ball of arbitrary size of arbitrary color coming from an arbitrary light source - This may be too complicated for a PD procedure but since so many programs implement this kind of routine one would think that such a procedure would be available - Pascal would be preferable but any other language I'm sure I could hack out thanks in advance Chem4m.jetson.uh.edu