I have been working on rendering underground assets in Cesium but encountered a problem.
When I rotate the underground object, no matter which angle I use, the underground 3d model always shows even when it’s not supposed to, for example, when looking from the air, it’s supposed to be buried under the terrain.
It’s important that we do not see through the terrain. Otherwise it will be confusing to perceive the underground nature of the object because it will always show despite the viewing angle. It appears that the underground object floats above the terrain when viewing from above.
Anyone has same issue and insights?