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[zzz]

What values does Outerra use in building the ellipsoid of the planet? I thought it was WGS84 but someone said it's different. Under WGS84:

Major axis = 6378.137 km
Minor axis = 6356.752 km
Flattening = 0.00335281066
Eccentricity = 0.08181919092890624

Helpful definitions for people finding this thread later:
http://www.arsitech.com/mapping/geodetic_datum/

[cameni]

It's not yet actually using ellipsoid for rendering, and for historic reasons it's still a sphere with radius of 6,378,135 m.