TP Electronics nous apporta ses lumieres en ce 2007/06/09 07:57:
> I want to desing a optic guide for en LED.
> It is possible to simulated this with povray?
> I can not see where I can change specification of material to define the 
> guide.
> I am play with led source but not manage to make a led with 10degres angle.
> Best regard
> Thierry 
> 
> 
My gues would be to use photons.
Add the folowing to your light guide deffinition:
photons{target refraction on reflection on collect off}
(this can be added in a material{...} block)
and the following to your #global_settings{...} block:
photons{count 100000} OR photons{spacing 0.01}

Photons are a form of "forward" tracing where you start from the light_source, 
go toward selected objects marked with a target atribute, then to other object 
or the camera.
A ray tracer normaly use backward ray tracing where you start from the camera to 
the object and test with light_source to know the illumination.

-- 
Alain
-------------------------------------------------
My toes were playing the piano under the blankets.
They made so much noise that I woke up singing.

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