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Feb 27, 2020 · Here’s the short answer: A GCS defines where the data is located on the earth’s surface. A PCS tells the data how to draw on a flat surface, like on a paper map or a computer screen. A GCS is round, and so records locations in angular units (usually degrees). A PCS is flat, so it records locations in linear units (usually meters).
Geodesy. A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates ( x, y) on a planar surface created by a particular map projection. [1]
A projected coordinate system is always based on a geographic coordinate system that is based on a sphere or spheroid. In a projected coordinate system, locations are identified by x,y coordinates on a grid, with the origin at the center of the grid. Each position has two values that reference it to that central location.
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Definition. A Projected Coordinate System (PCS) is a type of spatial reference system that represents the three-dimensional earth on a two-dimensional plane. It employs mathematical techniques to convert spherical earth surfaces into flat maps while minimizing distortion as much as possible. This flat representation uses Cartesian (x, y ...
Projection methods stop being just methods and start to be projected coordinate systems after two more steps have been taken: 1. a linear unit of measure is decided, and 2. a coordinate system origin is established. All coordinate systems have a single origin point, a point usually labeled (0, 0), however, some systems, like UTM , use a ...
Apr 2, 2024 · What is a Projected Coordinate System (PCS)? On the other hand, a projected coordinate system (PCS) is a flat, two-dimensional representation of the Earth. It is derived from a GCS but uses linear units of measure for coordinates, such as meters or kilometers.
