Sally nous apporta ses lumieres ainsi en ce 2004/05/18 20:17... :

>On a related note, how do you get distance information from a regular
>povray scene?
>
>
>  
>
Remove all lights, all textures.
Remove any radiosity, photons and focal blur.
Bind everything in a single union.
Apply a gradient z texture, black on the far end, white on the near end, 
ambient 1.
Extra: use the hf_gray_16 option and you are set to do stereogram or 
hight_field.
It renders prety fast.

Alain

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