# Working with Coordinates System: Concept of Locations (Especially for GATE-Geospatial 2022)

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In geometry, a coordinate system is a system which uses one or more numbers, or coordinates, to determine the position of the points or other geometric elements on a manifold such as Euclidean space.

Until now we have indicated that we can locate objects in space. Location is the first important spatial concept but to locate objects means we must have a structured mechanism to communicate the location of each object observed.

## Coordinates of Geometric Objects

Coordinates system are often used to specify the position of a point, but they may also be used to specify the position of more complex figures such as lines, planes, circles, or spheres.

- For example, the term line coordinates are used for any coordinate system that specifies the position of a line.
- In two dimensions, if one of the coordinates in a point coordinate system is held constant and the other coordinate can vary, then the resulting curve is called a coordinate curve.