问题
I can't seem to find which projection Apple Map's Mercator Projection uses. Doesn't say on their guide:
Location Awareness Guide
Anybody know off hand?
回答1:
It's the same as Google's, which EPSG:3857 (and unofficially 900913).
来源：https://stackoverflow.com/questions/16575006/apple-map-mkmapview-mercator-projections-epsg