To create the shapes in these images I have used three different techniques:
Isosurfaces, NURBS meshes and Constructive Solid Geometry (CSG).
No NURBS primitives are available in POV-Ray, so I have made POV-Ray macros that can generate
univariate NURBS (e.g. curves), bivariate NURBS (e.g. surfaces) and trivariate NURBS (e.g. mesh deformations).
I have provided the source code for some of the images.
Pictures on this page: Copyright 2001-2010 by Tor Olav Kristensen.
All these images are created with POV-Ray, which is a free and open source ray-tracing program.
The homepage of POV-Ray: http://www.povray.org
There are also several newsgroups for POV-Ray at this news server:
http://news.povray.org or news://news.povray.org
There's a POV-Ray wiki here:
You can find more of my POV-Ray images here and in this newsgroup.
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