Try increasing the max_trace_level in your global setting statement.
See also -
http://www.students.tut.fi/~warp/povVFAQ/languageVFAQ.html#maxtracelevel
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Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
