January 2008
Intermediate to advanced
480 pages
12h 13m
German
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Name
Geography Markup Language (GML)
Auch bekannt als GML/XML.
Dateiformat.
GML ist ein XML-Format zum Datenaustausch. Es enthält die Geometrie und die zugehörigen Attribute (»Features«).
GML ist eine Spezifikation des Open Geospatial Consortium für den standardisierten Datenaustausch und die Datensicherung.
Liste der Dateien
GML-Daten werden üblicherweise in einer einzelnen Textdatei mit der Dateiendung .gml gespeichert (z.B. coal_dep.gml). Gelegentlich wird auch .xml als Dateiendung verwendet.
Oftmals liegen GML-Dateien auch XML-Schemadokumente bei, die den Aufbau des GML beschreiben. Schemadateien können beispielsweise über ogr2ogr erstellt werden.
Ausschnitt aus einer GML-Datei
Im GML werden die Attribute und Angaben zur Geometrie in XML-Tags ausgegeben: ...
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