Jaap nous apporta ses lumieres ainsi en ce 31/07/2004 10:53... :

>update:
>
>-i now use an internal bitmap so i only need to do
> pattern { object text }} once. (MUTCH faster)
>-i changed the blurring macro into something that works
> better with thin objects.
> full source (except the font file)
> http://www.geocities.com/jwstolk/blur.pov.txt
>-in the image below you can see that it works reasonably
> well with pixel maps (blurred in external program).
>
>Q:
>What are the 2 extra patterns ?
>-i have only one light source
>-i removed phong, etc.
>-it also appears when i take a single sample (no blur)
>-the offset is much bigger than the used blur radius.
>
>any idea what it is ?
>
>  
>
>
> ------------------------------------------------------------------------
>
It looks like the encaved parts are instead coming out of the surface. 
With the light coming from the top right, the left side should be 
brighter and the right dark. Maybe using a negative of your bump_map 
could give beter results.

Alain

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