TSDF to Integrate pointclouds

**Feature Request**
I'm filtering the pointclouds extracted from UniformTSDFVolume. Then I'd like to get a triangle mesh from the resulting filtered pointcloud. I think the triangle mesh from point cloud functionality is not available yet, but triangle mesh from TSDF is. So I thought I would create a new UniformTSDFVolume and integrate my filtered pointcloud into it, then extract the triangle mesh from the UniformTSDFVolume. However, at the moment UniformTSDFVolume can only integrate RGBD images not point clouds. I guess it wouldn't be too difficult to integrate a point cloud too? that would allow for point cloud preprocessing before integration.