Am 02.09.2014 11:04, schrieb kurtz le pirate:
>
> hello,
>
> i have an issue using photons on one scene.
>
> i get this error :
>      "Possible Photon Error: Photon map for media is empty."

It's only a "possible" error. IIRC it means that you have some interior 
media (probably in "materialVerre") and POV-Ray for some reason thinks 
you would want caustics to show within the media, but finds that after 
photon shooting no photons have hit the media.

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