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 |
Derived ontologies | https://github.com/ISO-TC211/GOM/tree/master/isotc211_GOM_harmonizedOntology/19136/2007 |
Type of standard | ISO International Standard and OpenGIS Implementation Specification
Application level |
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 geographic 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. |