Geographic coordinate system

Longitude lines are perpendicular to and latitude lines are parallel to the Equator.

A geographic coordinate system (GCS) is a coordinate system associated with positions on Earth (geographic position). A GCS can give positions:

In geodetic coordinates and map coordinates, the coordinate tuple is decomposed such that one of the numbers represents a vertical position and two of the numbers represent a horizontal position.[2]

  1. ^ a b A guide to coordinate systems in Great Britain (PDF), D00659 v2.3, Ordnance Survey, March 2015, archived from the original (PDF) on 24 September 2015, retrieved 22 June 2015
  2. ^ Taylor, Chuck. "Locating a Point On the Earth". Retrieved 4 March 2014.