ISO 19136:2007 Geographic information - Geography Markup Language (GML)
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Overview
| Full name | ISO 19136:2007, Geographic information – Geography Markup Language (GML) (also published as OpenGIS Geography Markup Language (GML) Encoding Standard) |
| Version | ISO: Edition 1
OGC: V 3.2.1 |
| Amendments | None |
| Corrigenda | None |
| Published by | ISO/TC 211 and OGC |
| Languages | English, French |
| Online overview | http://www.opengeospatial.org/standards/gml |
| Type of standard | ISO International Standard and OpenGIS Implementation Specification,Application level. |
| Related standard(s) | ISO 19107:2003, Geographic information – Spatial schema, ISO 19109:2015, Geographic information – Rules for application schema, ISO 19118:2011, Geographic information -- Encoding, ISO 19137:2007, Geographic information – Core profile of the spatial schema. |
| Application | GML is an Extensible Markup Language (XML) encoding for transport and storage of geographic information.It is typically used for vector geometry with associated attribute data, such as, a road network or cadastral data. GML is specifically powerful for web processing of geo-spatial data. |
| Implementation benefits | GML is a human readable and machine ‘processable’ encoding which makes it ideal for web data dissemination. GML is based on XML, which brings a number of advantages, such as, XML providing a method for verifying data integrity; the XML structure allowing easy integration of GML data with non-spatial data; and XML transformations. GML allows topology to be encoded in the schema. |