POV-Ray : Newsgroups : povray.general : heightfields, 16bit images and isosurfaces : Re: heightfields, 16bit images and isosurfaces Server Time
4 Aug 2024 10:16:17 EDT (-0400)
  Re: heightfields, 16bit images and isosurfaces  
From: Lutz-Peter Hooge
Date: 8 Jun 2003 09:35:29
Message: <3ee33ba1$1@news.povray.org>
Christopher James Huff <cja### [at] earthlinknet> wrote:

> distribute the levels more densely at the lower intensities. I'm not 
> sure what you're trying to do using them for a height field or 
> isosurface,

A highly detailed heightfield uses lot of memory.
My idea was to use a image for the rough structure and add the little
details as functions.

> if you want more precision you should just use a 16 bit 
> image.

As already said, that doesn't work, the only place where 16bit seems
to be supported (with the special TGA format and PNG) are heightfields.

> (And why compare a HDR isosurface to a PNG height field?)

see above.

Lutz-Peter


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