>Programs generally don't create DEMs, they read them.
>
>Are you referring to the manipulation of DEMs? Perspective
>viewing? Speed?
>Quality of shaded maps or contours? Interpolation of a surface
>from a few XYZ points?
"generally" depends on which "general area" of activity you
are in. :) I'm in the area of creating dems. And to be more
precise, a DEM can be a specific product/file format or a
general term describing elevation models in general (there's
that word again :).
For my project, I'm evaluating the quality of elevation models
created by various programs from a specific vector dataset.
Quality in this context is a nebulously defined mix of my own
peculiar blend of aesthetics and objectivity. The tools I will
be using in my quest include sunshade relief, re-contouring,
perspective views, and anything else I can think of to help
shed light.
cheers,
-matt
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