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by mrkgnao
2850 days ago
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Quick note that may be of interest: S² is the mathematical notation for the "2-sphere", aka what we call a sphere in everyday language. I suppose that's explained by this: > A unique feature of the S2 library is that unlike traditional geographic information systems, which represent data as flat two-dimensional projections (similar to an atlas), the S2 library represents all data on a three-dimensional sphere (similar to a globe). (S^2 if the superscript character doesn't show up for you.) |
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