Maurice nous apporta ses lumieres ainsi en ce 2005-01-02 10:30... :

> Alain wrote:
>
>> Maurice nous apporta ses lumieres ainsi en ce 2005-01-02 04:37... :
>>
>>> Hi,
>>>
>>> I have this blob made up of 5000 glass spheres inside a spherical 
>>> HDR. [blabla...]
>>> }
>>>
>>> I can't find out what is wrong. Any suggestions are welcome.
>>>
>>> ------------------------------------------------------------------------ 
>>>
>>>
>> What are the photons settings for the floor? Does it collect them?
>
>
> The floor:
>
> plane{ <0,1,0>, 0
>   texture{
>     pigment{checker color rgb<1,1,1>*1.2 color rgb<1,1,1>}
>     finish{ambient 0.1 diffuse 0.8 metallic reflection{0.9}}
>   }
>   no_radiosity
> }
>
> It has no photons section...
>
No photons section = collect on  target off  OK
Then, it may be that the high reflection value (0.9) make them almost 
invisible. The more reflective a surface is, the less it will show 
photons effects. That's the main reason why it's recomended to set 
collect off for highly reflective surfaces.

Alain

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