May 2019
Beginner to intermediate
650 pages
14h 50m
English
Projections are functions that transform latitudes and longitudes on the surface of a sphere or ellipsoid into positions on a plane. In order to represent the Earth, the sky, the moon, a planet or any spherical shape on a plane, you need a projection. Humans have used geographical projections for millennia (the oldest projections date over 2,500 years ago) for many different purposes. There is no limit to the amount of projections that can be invented.
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