Alain <aze### [at] qwertygov> wrote:
> It looks like the encaved parts are instead coming out of the surface.
> With the light coming from the top right, the left side should be
> brighter and the right dark. Maybe using a negative of your bump_map
> could give beter results.

yes, i probably need to flip the function, but it still produces
3 patters instead of one.

the height of the normals is also not the problem, because making
the function smaller makes the patters more faint but does not move
the 3 patterns closer together.

i dit some testing with making the function a normalised vector and
change the direction of the vector depending on the function, but that
did not do the trick either.

jaap.

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Preview of image 'neg.jpg'

sory for starting a new thread on this, but i just posted a replay to
an older thread using the web interface (witch does say: "(BETA TESTING)"..)

i dit use the "edit message" option after the preview. that probably
resulted
in a new thread.

jaap.

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