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Hi All,

I am trying to reproject a .tif file with the xy coordinate system NAD_1983_UTM_Zone_16N

to WGS84 and vertical coordinate sytem EGM08.

I downloaded the aditional .grd files from FME and saved them under 

C:\Program Files\FME_2022_1\Reproject\EsriPEGridData\vertical\egm\egm2008-1.grd

I created a .gcs file which is located under C:\Program Files\FME_2022_1\Reproject\GeoidHeightGrids\World\egm2008_1.gdc and looks like this: ..\..\EsriPEGridData\vertical\egm\egm2008_1.grd

I always get the following error message: CsmapReprojector (TeeFactory): CsmapReprojector: Reproject: Could not reproject the geometry of the preceding feature: CS-MAP Reprojector: Unable to load geoid height grid 'C:\Program Files\FME_2022_1\Reproject\GeoidHeightGrids\World\egm2008_1.gdc'

What am I doing wrong?

Any help very much appreciated.

Are you able to try the ESRIReprojector at all? Looking at the name of the grid I wonder if the ESRIReprojector might be better suited here.