> Depending on the LOD data, this could cause the vegetation to be placed
under 
> the terrain, effectively causing it to disappear at certain distances. It
still 
> might be acceptable, though, depending on the requirements of the project.


Hi Bryan -- Agreed. And if it turns out the discrepancy is not acceptable,
then the vegetation and other cultural data can simply be baked into the
terrain database (in other words, send it back to the modeling department
:-), as Robert already mentioned.

Paul Martz
Skew Matrix Software LLC
http://www.skew-matrix.com
+1 303 859 9466


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