*Choose Index below for a list of all words and phrases defined in this glossary.*

**map projection** - A coordinate conversion from a geodetic coordinate system to a planar surface, converting geodetic latitude and longitude to plane (map) coordinates. The result is a two-dimensional coordinate system called a projected coordinate reference system.

[Category=Geospatial ]

*Source: Open Geospatial Consortium, 23 June 2011 07:39:59, http://www.opengeospatial.org/ogc/glossary *

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**Map Projection** - A mathematical model that transforms the locations of features on the Earth's surface to locations on a two-dimensional surface such as a map.

There is a certain give and take as some projections preserve shape; others preserve accuracy of area, distance, or direction.

See also co-ordinate/coordinate system

Data Quality Glossary. A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl