Import Elevation data for viewing in 3D.
I would like to be able to import data sets with 3D information. For example a .DXF (referenced to WGS84) with construction details of a large dam and be able to visualize these models with the 3-D viewer. Ideally the user could then elect which elevation model to pin the GPS location to, either the imported data or the underlying .mth or .evh. The pinning functionality would be a second priority in my opinion and could just default to one of the above options.
Michael
shared this idea
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Bill May
commented
Extend Michael's suggestion by recognizing the availability of USGS DEM data in (the newer) GridFloat format *flt or (the older) DEM format *.dem. The GridFloat format is preferred for new applicatioins because the *.dem format is being phased out by the USGS; also, the GridFloat is more convenient to download with its larger coverage in a single file.