Is it possible to apply any such algorithms in cesium like triangle mesh decimation?
Pretty sure a plugin can be created to apply any algorithm necessary at any stage of the pipeline, but I’ll get back with some more details.
This is definitely something outside of the scope of Cesium currently. You’re going to have to do some serious plugin development to get the triangle mesh decimation integrated into Cesium. There are a lot of technical articles in the blogs that discuss the architecture and in the wiki there are guides on how to get started.
Depending on your use case, you may be able to do the simplification before creating the Polygon in Cesium. A library like
along with some Cesium helpers in
may be enough to get started.