What is the elevation reference for the terrain data loaded by Cesium? Is it Egm96?

Which means the elevation of the terrain service (. terrain) is the reference ellipsoid height of wgs84?

@newpeople123 Thanks for your follow up. I think you are asking about external services used to create DEM files in the .terrain format, and whether they output data in reference to the WGS84 ellipsoid or an orthometric height (like EGM96), right? I am not sure which tool you are using. If it is …

Thank you for your reply. As you mentioned, the CTB tool requires the input terrain coordinate system to be WGS84. But my question has nothing to do with external tools. What is the elevation reference of .terrain ormat itself? Is it the ellipsoid height of WGS84? Or is it orthometric height (such …

Hi @newpeople123 . Thanks for your follow up. Cesium expects .terrain files to be referenced against WGS84 as mentioned above in the thread About elevation reference for cesium - #2 by Gabby_Getz If that does not answer your question, do you mind explaining your use case more thoroughly so I can u…

About elevation reference for cesium

CesiumJS

Gabby_Getz March 7, 2025, 3:53pm 2

Hi there, it’s referenced against WGS84.

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About elevation reference for cesium

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