Rather annoyingly I always find it easier to do things myself than to 
explain how to do them, I realise this must be pretty frustrating for Orchid 
who I'm trying to help... ho-hum, hopefully this code is sufficiently 
readable that it should illustrate my point.
-- 
Tek
http://evilsuperbrain.com
 
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Download 'rock mat test.pov.txt' (2 KB)
 
  
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