"Timothy R. Cook" wrote:
> 
> Is there an easy way of taking a topographic map as yoinked from
> Terraserver and making a heightfield of it such that each elevation
> line and the space to the next line is a single greyscale?

Are you aware this would lead to a terraced terrain which would be far
from realistic?

If you are having a file of vector lines a possible solution would be to
close all lines which are not yet closed, fill them with the appropriate
color and layer the resulting polygons in the correct height order.

Christoph

-- 
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