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The model has been made for a sphere or spheroid. For a globe model of earth (an oblate spheroid or ellipsoid with polar radius 20 km. more than equatorial radius)there will be a small error with this model at the poles of approximately 0.299 mm.

2d map wrapped on a 3d sphere surface

How to map a 3-d globe surface with a 2-d plane(Html file)

New polar arrangement of a 2d map for a 3-d globe surface captured on a 2-d plane

New 2d map for a 3-d globe surface

Rotating globe model, Search Engine Marketing

Site designed by Suresh R Norman on Nov 11,2005
Last changed on 12/12