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What is a geographic coordinate system? How is it different from projected coordinate system?

Answer»

Geographic coordinate system is a three-dimensional reference system that locates points on the Earth’s surface in decimal degrees. A point at earth has two coordinate values, latitude and longitude which are angles. Points north of the Equator have positive latitude values and south have negative values. Projected coordinate is a two-dimensional coordinate system defined by two axis. At right angles to each other, they forma XY-plane.



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