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geopy.distance vincenty - pairs of coordinates

Question asked by n.ueberschaeresri-rw-esridist Employee on Nov 2, 2017
Latest reply on Dec 6, 2017 by xander_bakker

Hi folks, 


I managed to calculate the distance between two points (from two different feature classes) using the vincenty module from geopy.distance. 

For quite some time I struggled to find out why I got wrong distances. (even to realize it took me some time)

In the end I figured that the vincenty module requires the coordinates in Latitude/Longitude while the coordinates as they are stored in the feature class shape@xy are stored as Longitude/Langitude. 


Can someone confirm this? It doesn't make any sense to me why the vincenty module should require the coordinates the "wrong way" but I only get correct measures when using the coordinates switched to Latitude/Longitude...