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- 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).
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Feb 27, 2020 · What is the difference between a geographic coordinate system (GCS) and a projected coordinate system (PCS) anyways? 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.
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What is a geographic coordinate system?
Mar 3, 2020 · It’s shaped like a globe—spherical. Its units are angular, usually degrees. A projected coordinate system (PCS) is flat. It contains a GCS, but it converts that GCS into a flat surface, using math (the projection algorithm) and other parameters. Its units are linear, most commonly in meters.
Sep 7, 2022 · Geographic vs. Projected Coordinate System: The Verdict. Each system excels for different uses, and both help expand and improve GIS mapping. On the one hand, a projected coordinate system is more efficient and easier to work with when mapping objects in space.
Sep 11, 2020 · Learn more about key differences between projected vs. geographic coordinate reference systems. Geographic coordinate systems span the entire globe (e.g. latitude / longitude), while projected coordinate systems are localized to minimize visual distortion in a particular region (e.g. Robinson, UTM, State Plane).
Mar 2, 2016 · Geographic coordinate systems are based on a spheroid and utilize angular units (degrees). Projected coordinate systems are based on a plane (the spheroid projected onto a 2D surface) and utilize linear units (feet, meters, etc.).
The Project tool converts all coordinates from one coordinate system to another by unprojecting the data into geographic co-ordinates (latitude and longitude). It transforms the geographic coordinates of the original projection into the new geographic coordinate system, then it projects these geographic coordinates
Mar 13, 2020 · Geographic coordinate systems: coordinate systems that span the entire globe (e.g. latitude / longitude). Projected coordinate systems: coordinate systems that are localized to minimize visual distortion in a particular region (e.g. Robinson, UTM, State Plane)
