A map projection create a 2D view of the 3D-Object 'earth', by doing so, some information is inevitably lost.
Because of this and because of the fact, the earth isn't a perfect sphereoid --or even a perfect ellipsoid for that matter--, there is no 'best' projection for the projection of every region on earth.
Hence a lot of different mathematical projectional functions have been developed over the years. It is possible to categorise these functions into three groups:
@author Rutger Bezema
@author last edited by: $Author: rbezema $
@version $Revision: 6259 $, $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mrz 2007)$
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