On Mon, 28 Apr 2003 18:26:27 +0200, Christoph Hormann wrote:
> - when the image map is only applied to a flat surface, possibly with a
> bump map derived from it, the surface lacks self shadowing effects which
> are quite important for realistic appearance.

Hmm, I must be loosing my touch, I thought the ground was great. 

I havn't been in p.b.i for quite a long time. 

-- 
#local i=.1;#local I=(i/i)/i;#local l=(i+i)/i;#local ll=(I/i)/l;box{<-ll,
-((I/I)+l),-ll><ll,-l,ll>pigment{checker scale l}finish{ambient((I/l)/I)+
(l/I)}}sphere{<i-i,l-l,(I/l)>l/l pigment{rgb((I/l)/I)}finish{reflection((
I/l)/I)-(l/I)specular(I/l)/I}}light_source{<I-l,I+I,(I-l)/l>l/l} // Steve

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