Maybe this will help.

http://wiki.povray.org/content/Knowledgebase:High_precision_heightfields

I'm not sure I ever got it to work 100%.



Mike


Ger <ger### [at] NoSpamthankyou> wrote:
> I use an external program to create png files that contain height data.
> The difference between adjacent points is generally very little but as
> povray renders the height fields it shows very large jumps in height.
>
> is it
>
> height of pixel = (R x 256 x 256) + (G * 256) + B?
> --
> Cheers
> Ger

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