In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane.
Projection is a necessary step in creating a two-dimensional map and is one of the essential elements of cartography.
All projections of a sphere on... more
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