Christopher James Huff wrote:
> Here's a little patch I've been working on. It is very similar to the 
> crackle pattern, but rather than using a 3D grid of points that is 
> randomly jittered, it uses a user-specified set of points. It is 
> actually very fast, usually faster than the crackle pattern. It stores 
> the points in a binary space partition tree, which it can then search 
> very quickly, while the crackle pattern must always check a large number 
> of points, and sometimes recompute all of them. The options available 
> are the same as for the crackle pattern, with the addition of the 
> points. You can specify the points alone, or with a blend map index for 
> each point, giving you an effect similar to the "solid" feature, but 
> with much more control.

That looks very nice and offers a lot of interesting possibilities (for 
both textures and isosurfaces).  Could the speed improvements also be 
used for the regular crackle pattern?

Christoph

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