On Wed, 5 Jun 2002 11:57:51 -0400, "David Wallace" <dar### [at] earthlinknet>
wrote:

> And it gets worse if you replace pigSea with matSea.

But this kind of slowness not depends on isosurface but on material.

> Isosurface optimizations, anyone?

At least three:

1. use patterns instead of pigments.gray for functions
2. use scale keyword in pattern instead scaling coordinates for function
3. if possible code function directly inside isosurface to avoid referencing

ABX

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