in news:3CF23169.FF4E9361@reading.ac.uk Michael Andrews wrote:

> Well, this one is easy :-)

Yeah, right.

> [...]
> #declare fn_Rad = function { pigment { radial colour_map{[0 rgb 0][1 rgb
> 1]}} }

Replacing radial by cells also gives a nice result, with other patterns it 
looks more like prepared rat organs under a microscope. 

Thanks,

Ingo

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