Geography Markup Language
The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. Key to GML's utility is its ability to integrate all forms of geographic information, including not only conventional "vector" or discrete objects, but coverages (see also GMLJP2) and sensor data.
A vector map, with points, polylines and polygons. | |
| Filename extension | .gml or .xml |
|---|---|
| Internet media type |
application/gml+xml |
| Developed by | Open Geospatial Consortium |
| Initial release | 2000 |
| Latest release | 3.2.1 27 August 2007 |
| Type of format | Geographic Information System |
| Extended from | XML |
| Standard | ISO 19136:2007 |
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