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In what data structures are the nodes' coordinates stored internally in OSM database (64bit floating point, some long integer, something else entirely...)? Obviously the longitude precision will vary between equator and poles, but still it would be good to know what the range is. |
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Data Primitives says the longitude has 7 decimal positions for >−180 and <180. 4*10^7/2/180/10^7 = 0.01 meter = 1 centimeter (at the equator) The same document says latitude has 7 decimal positions for >−90.0 and <90.0. 4*10^7/4/90/10^7 = 0.01 meter = 1 centimeter |
