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The S2 library is here: https://code.google.com/p/s2-geometry-library/ https://code.google.com/p/s2-geometry-library/ It's based on the hilbert curve.
by gbhn 12y ago
The S2 library is here: https://code.google.com/p/s2-geometry-library/ https://code.google.com/p/s2-geometry-library/
It's based on the hilbert curve.