Read the documentation on the trace() function, you are not using it 
correctly. It is working perfectly, exactly as designed. You set up the 
direction wrong, and your check for intersections will not work in all 
cases. That's all I'm saying about it, if you read the documentation you 
will figure it out.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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