In article <3DB14ACC.DC82D0CD@dcs.gla.ac.uk>,
 John Williamson <wil### [at] dcsglaacuk> wrote:

> Hmm, that's _very_ counterintuitive with standard blobs! Here's a quick
> replacement with exp blobs. I just copied the values straight in, and it
> seems to work fairly sensibly. I had to fake the texture with a x
> gradient though.

Here's two versions with the new polynomial (and a tweaked threshold, 
the blobs didn't connect with the one given). It doesn't have the odd 
bulge in the middle (see my other example image for another example), 
but it isn't as smoothed over as the exponential blobs (with some 
adjustment, it can get closer to that shape...see the second image, 
which had radii of 2 and strengths of 1). I didn't bother trying to fake 
the texture.

I'll be adding support for both versions to my patch. (the exponential 
blobs will be slower because they are unbounded, but still faster than a 
user defined function)

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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