A 2d geospatial index stores geospatial data as points on a two-dimensional plane. It is mostly kept for legacy reasons, for coordinate pairs created before MongoDB 2.2, and in most cases, it should not be used with the latest versions.
A 2d geospatial index stores geospatial data as points on a two-dimensional plane. It is mostly kept for legacy reasons, for coordinate pairs created before MongoDB 2.2, and in most cases, it should not be used with the latest versions.