Alain napsal(a):
> Jan Dvorak nous apporta ses lumieres en ce 2007/11/13 00:25:
>> Alain napsal(a):
>>> Jan Dvorak nous apporta ses lumieres en ce 2007/11/11 05:48:
>>>> Hello,
>>>>  When I use double_illuminate in a radiosity scene it does nothing 
>>>> (it does get double_illuminated by light_sources).
>>>> Here's a scene to illustrate:
>>>>
>>>> default{finish{ambient 0}}
>>>> camera{location <3,4,5> look_at 0}
>>>> polygon{5,x,y,-x,-y,x pigment{rgb 1}double_illuminate translate  z}
>>>> polygon{5,x,y,-x,-y,x pigment{rgb 1}double_illuminate translate -z}
>>>> background{rgb z}
>>>> global_settings{radiosity{}}
>>>> sphere{-y/2,0.5 texture{pigment{rgb y}finish{ambient 10 diffuse 0}}}
>>>> light_source{y/2,rgb x}
>>>>
>>>> Is it a bug or it is intentional?
>>> Working as expected.
>>> The polygons are double_illuminate be the light_source (red), whitch 
>>> contribute on both faces.
>>> They are lighted in blue from the background, giving that magenta tint.
>>> The faces near the high ambient grees sphere are illuminated in 
>>> green. They are also affected by the other polygon, lighted in red, 
>>> and, weekly, the blue background.
>>>
>>
>> As for MegaPOV 1.2.1 @ WinXP the front square doesn't get doubly 
>> illuminated by the green sphere. Can you post your configuration, please?
> It's not double_illuminated by radiosity, and sould'nt be.
> 
How come it shouldn't?

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