Ian,

I've been having problems trying to get the isosurface algorithm to get the
tentacles to taper before they reach the peak. I'll probably look at it
again after a day or two away from the math. I did figure out that I had my
brightness/contrast way screwed up on the machine I was rendering so I'm
going back to the lighting and try again.

Thanks for your comments,

Mike

> Perhaps if the tentacles didn't extend all the way up untill they meet, but
> taper off before that.  Also the lighting could be more evocative... perhaps
> if the green flames were lighting the scene?
>
> Ian.

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