POV-Ray: Newsgroups: povray.beta-test: Difference in height_fields between beta 35 and previous betas or 3.6: Re: Difference in height_fields between beta 35 and previous betas or 3.6

POV-Ray : Newsgroups : povray.beta-test : Difference in height_fields between beta 35 and previous betas or 3.6 : Re: Difference in height_fields between beta 35 and previous betas or 3.6		Server Time 4 Jul 2024 12:58:53 EDT (-0400)

From: Kenneth
Date: 14 Jan 2010 07:45:01
Message: <web.4b4f114bbfa4a9765f302820@news.povray.org>

"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> Beta 35 results in a significant difference in aspect of image_map
> height_fields, compared to previous betas or version 3.6. See examples in
> p.b.i.
>
> I first thought the origin would be the way png images are treated, but the
> same happens with tga. the image_maps are 16 bit gray scale images.

I'm curious if the same thing happens when using an image_map (for the function)
that doesn't have an embedded gamma. I.e., JPEG or TIFF (or BMP on a Windows
platform.) If such an image *does* work correctly, then at least part of the
problem would be with 'embedded' gamma and how beta 35 handles it.

Ken

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