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Why EsriReprojector is not able to do vertical transformation? what should be provided to vertical transformation field?

  • November 16, 2023
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rishi1804
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I am trying to do vertical transformation using EsriReprojector, I have installed additional grid files from the FME downloads sections and pasted them into the installation folder. But I am not getting the desired result. Height is unaffected. I have read some other questions but not able to understand what should I provide in vertical transformation field. Right now it's set to None.image

Best answer by daveatsafe

Hi @rishi1804​,

The EsriReprojector is limited to the vertical transformations included with ArcGIS. According the Esri documentation at https://pro.arcgis.com/en/pro-app/latest/help/mapping/properties/pdf/geographic_transformations.pdf, ArcGIS only seems to include vertical transformations from the Newlyn vertical coordinate system to ETRS89 or EVRF2019.

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rishi1804
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  • November 16, 2023

@daveatsafe​ @Takashi Iijima​ @Hans van der Maarel​ 


daveatsafe
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  • November 28, 2023

Hi @rishi1804​,

The EsriReprojector is limited to the vertical transformations included with ArcGIS. According the Esri documentation at https://pro.arcgis.com/en/pro-app/latest/help/mapping/properties/pdf/geographic_transformations.pdf, ArcGIS only seems to include vertical transformations from the Newlyn vertical coordinate system to ETRS89 or EVRF2019.