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. 
> The result is attached. I turned on photons, but can't get any 
> caustics to appear.
> MegaPOV returns an error: Slab Building warning: Could not save photon 
> map - no photons!
>
> The blob object hass these propertis:
> sturm
> texture {
>   pigment { color rgbt 1 }
>   finish {
>     ambient 0
>     diffuse 0
>     reflection { 0.1, 1.0 fresnel on }
>     conserve_energy
>   }
> }
> interior {
>   ior 1.5
>   fade_distance 1.1
>   fade_color <0.11, 0.1, 0.3>
> }
> photons{
>   target Radius1/2
>   refraction on
>   reflection on
> }
>
> I can't find out what is wrong. Any suggestions are welcome.
>
> ------------------------------------------------------------------------
>
What are the photons settings for the floor? Does it collect them?

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