I'm trying to find a website:  it had an excellent tutorial on turning flat
bitmaps of rocks into heightfields.  The guy also had an image gallery
with pictures of an indoor swimming pool (POV-Ray generated).
Sorry, that's really all I have to go on... anybody know this site?

- Doug Eichenberg
  http://www.getinfo.net/douge
  dou### [at] nlsnet

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