Thanks for your quick answer. It works but it does not seem to be as 
fast as MegaPov for the same accuracy.

Another great feature that I miss ( tell me if I am wrong) is the 
possibility to 'do' an isosurface with a image_map as in :


#local fnc_basketballbump=function {pigment {image_map {png 
"BasketBallBumpNew.png" map_type 1 interpolate 2}}}

#local obj_basketball=isosurface {
   function { fnc_basketballbump(x,y,z)} //+ 
noise3d(x*100,y*100,z*100)*0.01}
   threshold 0
   sign 1
   accuracy 0.001
   method 2
   max_gradient 3.444
   contained_by {box {-1, 1}}
   all_intersections
   texture {txt_basketball}
}

Thanks

Christoph Hormann wrote:
> 
> Fabien HENON wrote:
> 
>>There was a feature wich was in MegaPov 0.7 and that I miss a lot :
>>Blurred reflection.
>>
>>How do you fake that feature in POV 3.5.
>>
> 
> 
> http://www.students.tut.fi/~warp/povQandT/languageQandT.html#blurredreflection
> 
> Christoph
>

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