Equal Area Projection
In the Equal Area method, the bottom of the sphere rests on the projection plane. The point A on the sphere is projected down to the plane by swinging this point in an arc about the contact between the sphere and the plane, giving point B. The resultant projection is then scaled back to the size of the projection sphere.
Equal Area Projection method
See the Projection Examples topic for a comparison of plots using Equal Angle and Equal Area projection.