Like #747, this PR doesn't do much other than move things around. A followup PR will make some smaller changes to raster overlays to allow them to be used outside of Cesium3DTilesSelection. Specifically, it will be possible to bake raster overlays into a tile glTF.
This PR builds on #754 so merge that first.
Like #747, this PR doesn't do much other than move things around. A followup PR will make some smaller changes to raster overlays to allow them to be used outside of Cesium3DTilesSelection. Specifically, it will be possible to bake raster overlays into a tile glTF.