If anyone is interested in learning how ray tracing works or wants an 
excuse to learn Smalltalk, I've written a (very) simplistic ray tracer 
in Smalltalk and made the code freely available.  Don't expect anything 
dramatic - this version isn't even as powerful as DKBTrace was.  My 
purpose in writing it was to see how ray tracing would look in a pure 
object oriented language, to help teach some techniques in Smalltalk, 
and to give me something fun to write rather than business applications.

You can see a better description of it on my blog:

http://www.cincomsmalltalk.com/userblogs/buck/blogView?showComments=true&entry=3243310836

To try it out, you'll need to get VisualWorks Smalltalk Non-commercial 
(free for non-commercial use).

http://www.cincom.com/scripts/smalltalk.dll/downloads/index.ssp

If you have any questions about it, feel free to e-mail me at 
dav### [at] simberoncom.

Have fun - that's what it's all about.

David Buck
Simberon Inc.
www.simberon.com

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