I’m trying to visualize some underground objects.
Now my method is to re-define the viewer’s globe by using a smaller ellipsoid, and define the terrainProvider’s ellipsoid in WGS84. It works well. Now I can move the camera down to the terrain.
My problem is, when the camera is under the ground, I look up but can’t see the terrain, it is transparent.( I already remove the skirts )
When I am above the terrain, I can look down and see the terrain.
I don’t know why this happens?
Can I make terrain visible all the time? Or, even better, can I make the terrain semi-transparent I look up under the ground?
Any advice appreciated