clipka wrote:

> With more or less random normal pertubations like bozo this is not 
> really a problem because you won't be able to tell the difference; 
> however, if you're using a bump map image with a clearer structure, this 
> may cause apparent inside/outside flipping at best - at worst it will 
> look as if the light source had been rotated around the geometric 
> surface normal; usually this will look noticeably weird, but often not 
> noticeably enough to tell exactly /why/.

Ah, this explains why it seems difficult for me to get the bump mapping 
clear on my creature. (I did manage to convert the normal map to a bump 
map, using the program in trial mode...)

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