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'{{infobox file format | name = WMTS | icon = | extension = | mime = | owner = [[Open Geospatial Consortium|OGC]] | genre = [[Container format (digital)|Container format]] | released = 2010<ref name="release" /> | container for = [[XML]], [[JPEG]], [[Portable Network Graphics|PNG]], others | free = Yes, with Copyright<ref>{{cite web|title=OGC Document Notice|url=http://www.opengeospatial.org/ogc/document|accessdate=2 February 2011}}</ref> | url = }} A '''Web Map Tile Service''' ('''WMTS''') is a standard protocol for serving pre-rendered or run-time computed [[georeference]]d [[tiled web map|map tiles]] over the Internet. The specification was developed and first published by the [[Open Geospatial Consortium]] in 2010.<ref name="release">{{cite web|title=OpenGIS® Web Map Tile Service Implementation Standard|url=http://portal.opengeospatial.org/files/?artifact_id=35326|accessdate=5 April 2013}}</ref> ==History== The [[Open Geospatial Consortium]] (OGC) became involved in developing standards for web mapping after a paper was published in 1997 by Allan Doyle, outlining a "WWW Mapping Framework".<ref>{{cite paper |author=Doyle, Allan |year=1997 |title=WWW Mapping Framework |publisher=Open GIS Consortium }}</ref> The oldest and most popular standard for web mapping is [[Web Map Service|WMS]]. However, the properties of this standard proved to be difficult to implement for situations where short response times were important. For most WMS services it is not uncommon to require 1 or more CPU seconds to produce a response. For massive parallel use cases, such a CPU-intensive service is not practical. To overcome the CPU intensive on-the-fly rendering problem, application developers started using pre-rendered map tiles. Several open and proprietary schemes were invented to organize and address these map tiles. An earlier specification for this is the [[Tile Map Service]] (TMS). It is simpler than WMTS. It was developed by members of the [[OSGeo]] and is not backed by an official standards body. ==Requests== WMTS specifies a number of request encodings: ; KVP: key-value-pairs encoding ; REST: [[Representational state transfer]] encoding ; [[SOAP]]: Simple Object Access Protocol encoding The syntax for the WMTS request types is different for each of these encodings. Some request types are: ; Capabilities: returns information about the WMTS service parameters ; Tile: returns a map tile ; FeatureInfo: returns (alphanumeric) information for a given map location ; Legend: returns a legend image for the map ==See also== * [[Tiled web map]] * [[Web Map Service]] (WMS) * [[Tile Map Service]] (TMS) * [[Web Feature Service]] (WFS) * [[Web Coverage Service]] (WCS) * [[Open Source Geospatial Foundation]] (OSGeo) ==References== {{reflist}} ==External links== * [http://www.opengeospatial.org/standards/wmts OGC WMTS] {{OGC}} [[Category:GIS software]] [[Category:Open Geospatial Consortium]]'