Hello,

Suppose we have a define a block with an isosurface whose surface is 
perturbed by a pigment function like that in a macro :


#macro CarvedRocks(xDim, yDim, zDim, Rad)
isosurface {
  function {
   f_rounded_box(x, y, z, Rad, xDim, yDim, zDim)
   -f_agate(x,y,z)
   }
#end


I can carve multiple stones :
#declare block1 = CarvedRocks(x1, y1, z1, Rad)
#declare block2 = CarvedRocks(x1, y1, z2, Rad)
...


The problem is that the disturbance is the same for all blocks.
This is not illogical, since the agate function always returns the same 
values.


Hence my question: how to obtain different blocks with the same agate 
(or other) function ?


Traditionally, by applying pigment before translations, box appear 
different. But for an isosurface, I don't see how this can be done.



Any ideas ?
THanks


-- 
kurtz le pirate
compagnie de la banquise

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