Spatial reference system
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(Redirected from Coordinate reference system)
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It has been suggested that SRID be merged into this article or section. (Discuss) Proposed since March 2011. |
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This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) |
| Geodesy | |
|---|---|
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| Fundamentals | |
| Geodesy · Geodynamics Geomatics · Cartography |
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| Concepts | |
| Datum · Distance · Geoid Fig. Earth · Geodetic sys. Geog. coord. system Hor. pos. represent. Lat./Long. · Map proj. Ref. ellipsoid · Sat. geodesy Spatial ref. sys. |
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| Technologies | |
| GNSS · GPS · GLONASS | |
| Standards | |
| ED50 · ETRS89 · GRS 80 NAD83 · NAVD88 · SAD69 SRID · UTM · WGS84 |
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| History | |
| History of geodesy NAVD29 |
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A spatial reference system (SRS) or coordinate reference system (CRS) is a coordinate-based local, regional or global system used to locate geographical entities. A spatial reference system defines a specific map projection, as well as transformations between different spatial reference systems. Spatial reference systems are defined by the OGC's Simple feature access using well-known text, and support has been implemented by several standards-based geographic information systems. Spatial reference systems can be referred to using a SRID integer, including EPSG codes defined by the International Association of Oil and Gas Producers.
Some of systems in existence are:
- Universal Transverse Mercator coordinate system
- British national grid reference system
- Hellenic Geodetic Reference System 1987
- Irish grid reference system
- Irish Transverse Mercator
- Israeli Transverse Mercator
- Israeli Cassini Soldner
- Jordan Transverse Mercator
- Military grid reference system
- United States National Grid
[edit] See also
[edit] External links
- spatialreference.org – A website that defines spatial reference systems, in a variety of formats.
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