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Vertical Reproject HT2_0 to EGM96

  • June 24, 2016
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I have some points that were acquired with GPS using HT2_0 geoid and WGS84. I need to reproject the elevations so they reference the EGM96 geoid. How can I do this in FME using CSMapReprojector? I've set up a workbench with CDMapReprojector and referenced the .gdc file: C:\\Apps\\FME\\Reproject\\GeoidHeightGrids\\World\\Egm96-Wgs84.gdc

But I get an error:

CsmapReprojector_2(TeeFactory): CsmapReprojector_2: Reproject: Could not reproject the geometry of the preceeding feature: Reprojector: Could not create reprojection engine

CsmapReprojector_2: Reproject: Could not reproject the geometry of the preceeding feature: Reprojector: Could not create reprojection engine

My Egm96-Wgs84.gdc file looks like:

# http://cddis.nasa.gov/926/egm96/egm96.html

C:\\Apps\\FME\\Reproject\\GridData\\WW15MGH.GRD

And I do have the WW15MGH.GRD file in that directory.

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