https://threejs.org/examples/webgl_geometry_terrain_raycast.html           https://github.com/mrdoob/three.js/blob/dev/examples/webgl_geometry_terrain_raycast.html
https://threejs.org/docs/#api/en/textures/Texture
https://stackoverflow.com/questions/70609456/three-js-global-heightmap-is-not-showing-the-expected-result


https://blog.mastermaps.com/2014/03/using-web-map-services-with-threejs.html