Nieminen Juha wrote:
> 
>   Are there any other advantages of saving the photon map than speeding up
> a continued trace?
>   The scene usually changes from render to render (trial and error style
> modelling) so I think that the photon map changes as well.

Personaly I do not even turn on photons until my scene is fully developed.
Then I spend time tweaking the photon and lighting settings to optimize
their effect for the scene I am working on. In either case a saved map
would serve no purpose because the parameters for the photons would change
between each render session.

-- 
Ken Tyler -  1200+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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