Saturday, 27 May 2017

google maps - What is the difference between EPSG:900913 and EPSG:3857?


I'm using the QGIS google layers plugin to digitize a parcel as a shapefile. Later I want to import it to PostGIS. I know that google maps use a special 'google mercator' projection. What is the correct code of this projection: 900913 or 3857? Or are these two codes describing the identical projection equations?




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