ok thanks marc.
It is do not what I espect.
I understand at it is perhaps not povray SW to do this simulation.
Thierry
"Marc" <jac### [at] wanadoofr> skrev i melding 
news:466adb0b@news.povray.org...
>

> 466acaff$1@news.povray.org...
>> To answer to Marc.
>> I am design a panel unit with 7 switch/ key. custormer will at when the 
>> key is activ, the key ligthing.
>> I have place 2 light source ( LED ) between the switch and want desing a 
>> knopp to active the switch and guide the light of LED to the top.
>> I will try differente form of knopp to have the best light on the top.
>>
>> I have read the manuel with ligth source, try som but have not some 
>> result.
>> I am not a prof with povray, I am using Povray with the CAD software 
>> eagle to show som 3D pictures of my board.
>> I will try all tips you write.
>>
>>
> I think you won't get accurate simulation of that guide.
> Usually it is try and error process to get what we want.
> But maybe you could try a pigment with filter 1
> like :
>
> pigment {color rgb 1 filter 1}
>
> or shorter
> pigment {color rgbf 1}
>
> It is hard to give code without knowing exactly what you want :-)
>
> Marc
>

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