In article <3ee29c31$1@news.povray.org> , Lutz-Peter Hooge <lpv### [at] gmxde>
wrote:

> Are 16bit TIFFs not supported in height_field?

They are not support anywhere, not only not in height_fields.  In fact, I
don't think 16bit PNG is support either...

> Is there a version of POV-Ray that supports more than 8bit/channel
> in pigments, so that it is possible to make an iso-heightfield from
> an 16bit grayscale image?

If you use a 16 bit PNG and have verbose output turned on, you should see a
warning "Converting PNG image map to 8 bits/sample from higher bit depth."

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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