Lukas Winter nous apporta ses lumieres en ce 04-05-2007 09:11:
>> If your shadows from area_light looks banded or grainy, the cause is a to
>> sparce aray of components. Try with larger values, then add adaptive N
>> (start with 0 and increase as needed if you get artefacts) to use adaptive
>> sampling that will greatly accelerate the rendering.
>> I commonly use aray of 17*17 or 33*33, even 65*65 without to much slowing.
>> If the area_light is surrounded by several objects, it's effect will vary
>> accordingly to the relative positions. Use circular orient to emulate a
>> spherical light.
> 
> I wasn't saying anything about banded area light shadows.
> Unfortunately, increasing the resolution of the grid won't change how
> POV-Ray calculates highlights. Some people have tried using a grid of area
> lights instead.
It works, but that aray must be somewhat spherical if you want to replace 
circular orient.

-- 
Alain
-------------------------------------------------
A day without sunshine is like, night

Post a reply to this message