sahraoui nous apporta ses lumieres en ce 02-04-2007 14:44:
> With this algorithm you cannot fix the origin
> of the helix.
> You cannot put them on a lattice for example.


You can rotate and translate any parametric. But stay warned that parametric is 
about the slowest primitive available. Using the precompute keyworld can 
significatively accelerate the rendering.
The maximum value you can use is: precompute 20 x,y,z
It does use a good amount of memory, but that memory is shared by all instances 
of that particular parametric object.


-- 
Alain
-------------------------------------------------
Educate and inform the whole mass of the people... They are the only sure
reliance for the preservation of our liberty.
Thomas Jefferson

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