JMU
Geographic Coordinate Systems
An Introduction


Prof. David Bernstein
James Madison University

Computer Science Department
bernstdh@jmu.edu


Overview
The Most Common System
Simplifications and Assumptions
Latitude and Longitude
images/latitude-and-longitude.png
From Longitude/Latitude to Cartesian Coordinates

Notation

images/longitude-latitude-to-cartesian.gif
From Longitude/Latitude to Cartesian Coordinates (cont.)