I am unable to pick the mesh at planetary scale.
This is an ellipsoid that is 1:1 scale with the Earth.
i can only assume the mesh is not pickable, but this is hard to say without a reproduction.
it should work
Looks like a Scene’s PointerMove event?
Babylon.js Playground (babylonjs.com)
The pointermove type does not seem to do ray picking by default.
probably for performance, cant say for sure though but you can manually pick
In pointerMove by default, ray picking is performed, and the performance of complex scenes will be completely unvisible 
The example provided is for a 32-bit scene, but mine is an ellipsoid.
6378137.0;6378137.0;6356752.3142451793
Can you share a repro in the playground @zbx17630974053
thank you!
“minZ” will affect the precision of picking.
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Thank you for this information. I had a similar problem