Sorry to say, no, this isn't a fix to the problem. I had tried it, and I
should have mentioned it the first time. Used 1.01 and 1.1, neither
changed anything about it. I'm very surprised I hadn't noticed it until
now, which is one reason I suspected a problem at my computer alone.


Ron Parker wrote:
> 
> On Thu, 20 May 1999 06:24:18 -0500, Bob Hughes wrote:
> >The 'gradient' is introducing noise into the pigment when aligned
> >with a flat surface such as the box or ends of a cylinder.
> >The appearence is similar to the "same surface" problem in CSG.
> 
> I've always used the same solution, too: scale the gradient by
> 1.0001 or so to push that transition past the end of the object.
> This one is probably even harder to fix than the coincident
> surfaces.  It's due to numerical inaccuracies in the intersection
> routines.  Why it should appear differently on subsequent renders
> is a mystery, however.

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