NetDave nous apporta ses lumieres en ce 2007/10/26 00:47:
> See discussion in pbi. 
> 
> 
> 
You have coincident surfaces between the bottom of the cone and the ground plane.
Change your plane to:
plane
{
   y, -1.01
   texture
   {
     T_Wood35
     scale <50, 50, 50>
     rotate <0, 45, 0>
   }
}

OR the cone to:
cone
{
   <0,0,0>, 5.5, <0,11,0>, 0
   translate <-8, -0.99, 17>
   texture
...

Now, the bottom of the cone is very slightly above the plane and the speckeling 
goes away.

You should convert your BMP's to JPG, or PNG. Much smaller.
Add +fn to the command line or "povray.ini" tou outpus as PNG. There is no 
switch to output as JPG.

-- 
Alain
-------------------------------------------------
Rebellion against tyrants is obedience to God.
Benjamin Franklin

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