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Hammer-Aitoff Projection

The Hammer projection is an equal-area map projection described by Ernst Hammer in 1892. Using the same 2:1 elliptical outer shape as the Mollweide projection, Hammer intended to reduce distortion toward the outer limbs, where it is extreme in the Mollweide.

Hammer-Aitoff Projection
Hammer-Aitoff Projection


Required Parameters

To convert Hammer coordinates, the following parameters have to be set: