Jörg 'Yadgar' Bleimann nous apporta ses lumieres en ce 2007/12/03 17:50:
> High!
> 
> Each time I visit my parents, I work a little on a POV-Ray model of one 
> of my currently four (!) electronic organs - a Dutch-made Eminent Solina 
> P-240 from 1976, with my old AMD K-6-II computer sitting nearby, so I 
> get the data obtained by slide caliper and measuring tape easily on screen.
> 
> Attached here is what I got together since November 2005 (code posted in 
> p.b.s-f.) - but I just can't get right the plastic finish of the volume 
> pedal! The upper face of the pedal has a sawtooth-shaped profile, which 
> should show up when illuminated from overhead - but regardless which 
> values I choose for specular and roughness (or phong and phong_size), it 
>  remains black without visible structure. What goes wrong here?
> 
> See you in Khyberspace!
> 
> Yadgar
> 
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Just don't use black. Try Gray05, Gray10 and Gray15.
Nothing is realy "black" in real life, just very dark shades of gray, blues, 
greens, reds and other colours.

-- 
Alain
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Experience demands that man is the only animal which devours his own kind,
for I can apply no milder term to the general prey of the rich on the poor.
Thomas Jefferson

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