Equal-area projection: spheroid to sphere to plane
Journal
Global Journal of Advanced Research on Classical and Modern Geometries
Date Issued
January 2013
Author(s)
Abstract
An accurate method for the equal-area projection from spheroid to plane is proposed.
The points of interest are first projected from the spheroid to an equivalent sphere,
that is, to a sphere of equal area. Then, the points of the equivalent sphere are projected
onto the surface of a circumscribing cylinder (cylindrical equal-area projection) following
the standard mapping procedure of mapping the sphere to the plane.
The points of interest are first projected from the spheroid to an equivalent sphere,
that is, to a sphere of equal area. Then, the points of the equivalent sphere are projected
onto the surface of a circumscribing cylinder (cylindrical equal-area projection) following
the standard mapping procedure of mapping the sphere to the plane.