Hello their,
I am reaching out to you because I am facing difficulties when importing elevation data into Cesium Ion, and I hope to receive advice or suggestions to solve this issue. i know that it comes from the ellipsoid vs sea level stuff but i am struggling
Context:
I am working with elevation data in .asc format in Lambert 93 projection, where the elevation is referenced to mean sea level. My goal is to visualize this data in the Sandcastle alongside other datasets also referenced to mean sea level.
Problem:
When I import my data into Cesium Ion and configure the import settings, I do not find the same elevation values after conversion to tiles. The elevation values obtained do not match the ones I expected.
Technical Details:
Here are my settings:
Previous Research:
I have consulted the documentation of Cesium Ion and have conducted several tests by adjusting different import parameters, but I have not yet found a satisfactory solution to my problem.
For exemple:
In qgis i have:
In the sand castle:
Request for Help:
Therefore, I am seeking assistance from the Cesium community to guide me towards an effective solution. If you have any advice, suggestions, or similar experiences to share, I would be grateful for your help.
Thank you in advance for your attention and support. Please feel free to contact me if you need further information.
Best regards,