>   This is orders of magnitude faster than the ISOs with radiosity, but
> the ISOs without radiosity aren't that much slower than the spheres.
> Any ideas??

Isosurfaces take a significantly longer time to calculate the intersection
with a single ray. So for a render without radiosity, there will be a time
increase, but with radiosity, which shoots *much* more than one ray per
pixel in order to calculate the realistic lighting, the render time
increases a *lot* more.

In addition, because of all the small holes in many isosurfaces, even more
of these slow rays have to be shot by the radiosity algorithm to get
realistic lighting.

- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]

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