Hi everybody,
 
What do you think about this?

I'm not very happy with the bottom of the big stone on the top of the 
columns: it looks not rough enough.
Any idea how I can change this without increasing the roughness on the 
edges?

Its an isosurface:

#declare platenorm=function{pigment{granite scale 2}}
#local a=4;
#local b=4;
#local c=4;
#local ra = 1/1.1;
#local rb = 1/.15;
#local rc = 1/1.1;
function
{
	sqrt((x*ra)^a+(y*rb)^b+(z*rc)^c) - 1
	+ 2*0.15*platenorm(x,y,z)	
}

The scene took 3h to render on an Athlon 500MHz in 640x480, AA.3, medium 
qual. radiosity (Rad. settings cut and pasted from the megapov .6 
documentation)

bye, Lutz

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