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Question

Make an FME suitable geoid model to convert ellipsoid heights

  • December 19, 2022
  • 1 reply
  • 134 views

james_c_452
Enthusiast
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Hi,

 

I have a need to convert ellipsoid heights to a height datum (Australian Geoid 2020). I currently have the geoid in a dat/gem/gdf/gsb. Is there a way I can open and of these in FME to make one of the grids that FME accepts? I wish to use the CSMapReprojector

 

I have tried to rename the dat file from Geoscience Australia as a txt but that does not work

 

This is the list FME accepts, via a gdc file

https://docs.safe.com/fme/html/FME_Desktop_Documentation/FME_Desktop/CoordSys/vertical_grids.htm

 

Does anyone have any ideas? I can seem to find anywhere to convert any of these formats

1 reply

daveatsafe
Safer
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  • Safer
  • 1637 replies
  • January 17, 2023