POV-Ray: Newsgroups: povray.binaries.images: Bump mapping bug with cylindrical mapping

POV-Ray : Newsgroups : povray.binaries.images : Bump mapping bug with cylindrical mapping		Server Time 27 Feb 2025 01:22:55 EST (-0500)

From: Eriban
Subject: Bump mapping bug with cylindrical mapping
Date: 24 May 2014 17:50:01
Message: <web.5381135f322b4989a5153eaa0@news.povray.org>

Here is the output image showing the bug reported in
http://news.povray.org/povray.bugreports/thread/%3Cweb.5381112b322b4989a5153eaa0%40news.povray.org%3E/

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Attachments:
Download 'texturebug0.png' (81 KB)

Preview of image 'texturebug0.png'

From: Eriban
Subject: Re: Bump mapping bug with cylindrical mapping
Date: 24 May 2014 17:55:00
Message: <web.5381146d4de0d561a5153eaa0@news.povray.org>

"Eriban" <pov### [at] spamgourmetcom> wrote:
> Here is the output image showing the bug reported in
>
http://news.povray.org/povray.bugreports/thread/%3Cweb.5381112b322b4989a5153eaa0%40news.povray.org%3E/

Here is the output image showing an attempted workaround, which fixes the
problem,
but introduces another

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Attachments:
Download 'texturebug1.png' (89 KB)

Preview of image 'texturebug1.png'

From: Eriban
Subject: Re: Bump mapping bug with cylindrical mapping
Date: 24 May 2014 17:55:01
Message: <web.538115024de0d561a5153eaa0@news.povray.org>

"Eriban" <pov### [at] spamgourmetcom> wrote:
> Here is the output image showing the bug reported in
>
http://news.povray.org/povray.bugreports/thread/%3Cweb.5381112b322b4989a5153eaa0%40news.povray.org%3E/

Here are the input normal maps, for those that want to try out the scene.

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Attachments:
Download 'normalmaps.zip' (81 KB)