Google’s S2, geometry on the sphere, cells and Hilbert curve | Terra Incognita

Google’s S2, geometry on the sphere, cells and Hilbert curve Update – 05 Dec 2017: Google just announced that it will be commited to the development of a new released version of the S2 library, amazing news, repository can be found here. Google’s S2 library is a real treasure, not only due to its capabilities for spatial indexing but also because it is a library that was released more than 4 years

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hilbert curves based geohash alternative, with c++ and other language bindings