Archive for the 'map projection' Category

Chamberlin trimetric projection

Tuesday, July 21st, 2009

The Chamberlin trimetric projection is a map projection where three points are fixed on a sphere and used to triangulate the transformation onto a plane. It was developed in 1947 by Wellman Chamberlin, chief cartographer of the National Geographic Society. Unlike a plane-to-plane triangulation, where three compass circles will intersect at a unique point, the [...]