In article <3ee624d9@news.povray.org>,
 Lutz-Peter Hooge <lpv### [at] gmxde> wrote:

> I was referring to that black-spots-problem.
> There is a faint grid structure visible, but I don't see any
> discontinuities. There should't be any, unless there is a bug in my code.

The discontinuities I mentioned are in the normals, not the surface. The 
function is continuous, but not all its derivatives are. That's why you 
can see sharp changes in shading. The Perlin noise function used to have 
a similar problem, I wanted to see the code to see if a similar fix 
could be implemented for interpolation.


> btw, what would be the correct group for this?
> .programming or .unofficial.patches?

The scene code should go in povray.binaries.programming. The other two 
groups are for discussion.

-- 
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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