[OSM-dev] projection for calculating distances in PostGIS

Marcus Wolschon Marcus at Wolschon.biz
Wed May 19 13:06:44 BST 2010


what projections do you use to calculate distances (in meters) in postgis?
I have some code here that tried to use 27700 but that is not defined
on all inhabited continents of this planet.
An error of at most 25% would be acceptable as tis is just about search
-areas and not street-length.


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