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.


Any other thoughts,

Glenn

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