POV-Ray : Newsgroups : povray.bugreports : bump maps inverted in spherical warp : Re: bump maps inverted in spherical warp Server Time
20 Oct 2021 16:58:41 EDT (-0400)
  Re: bump maps inverted in spherical warp  
From: clipka
Date: 4 Aug 2021 03:07:05
Message: <610a3c99$1@news.povray.org>
Am 03.08.2021 um 22:19 schrieb pkoning:
> I'm using a normal with a bump map, wrapped around a sphere using
> warp{spherical}.  It looks normal in the northern hemisphere, but the bumps are
> changed to depressions in the southern.

This is a known issue that has been around for... well, ever since 
warped bump maps were first introduced, I guess.

Sometimes the bumps even seem to turn "sideways".


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