Tim Nikias wrote:
> 
> Yes, I knew that. Perhaps I phrased my question wrong.
> When I use a color_map like this:
> color_map{[0 rgb .5][.4 rgb .9][.6 rgb .2][1 rgb 0]}
> 
> How could I achieve that when using just the pattern? Is that even possible?

No but you can use a spline function (which would also allow smooth 
curves while a color map is always piecewise linear).

Use of spline functions is explained in Mike's isosurface tutorial AFAIK.

Christoph

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