Mark Wagner wrote:
> 
> Glenn Greenway wrote in message ...
> >
> >Thanks again for your input,
> >
> >However, I've tried Photoshop and interpolate options to no avail.  Perhaps
> >I'm missing something substantial but even my height fields look banded, as
> >do my isosurfaces.  What I really want to do is sketch out my image map in
> >Photoshop then use it do displace isosurfaces or height fields:
> >unfortunately the rendered images show considerable banding.
> 
> HFLab (or whatever it is called now) can work with 16 bit PNG and TGA
> images.  It is available for DOS and (i think) Linux and Windows.
> 
> Mark

I know it's available in source code form.
It does just about any filter operations you could think of and works in
floating point internally.
Available from http://www.best.com/~beale/

PoD.

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