GeoRSS is still a very young standard to transmit a georeferencing using Web feeds.
GeoRSS can be used by extension of RSS 1.0, RSS 2.0 and Atom.
Based on RSS, there are the following standards:
GeoRSS Simple is a lightweight format that only basic geometries (point, line, box, polygon ) supports and covers the typical use cases for geo-referenced data.
GeoRSS GML goes back to the GML format of the Open Geospatial Consortium ( OGC ) and supports a wider range of geometry objects than GeoRSS Simple, notably coordinate systems other than WGS84.
There is also an encoding, which was introduced by the W3C, which, although partly outdated, but very widespread.
Examples
GeoRSS Simple by atomic:
< feed xmlns = " http://www.w3.org/2005/Atom "
xmlns: GeoRSS = " http://www.georss.org/georss " >
Earthquakes </ title>
<subtitle> International earthquake observation labs </ subtitle >
<link href="http://example.org/"/>
<updated> 2005-12 - 13T18: 30:02 Z </ updated >
<author>
<name> Dr.
Thaddeus Remor < / name>
<email> tremor@quakelab.edu < / email>
</ author>
<id> urn: uuid: 60a76c80 - D399 - 11d9 - b93C - 0003939e0af6 < / id >
<entry>
<title> M 3.2, Mona Passage </ title>
<link href="http://example.org/2005/09/09/atom01"/>
<id> urn: uuid: 1225c695 - cfb8 - 4ebb - aaaa - 80da344efa6a < / id >
<updated> 2005-08 - 17T07: 02:32 Z </ updated >
<summary> We just had a big one. < / summary>
<georss:point> 45 256 -71.92 </ GeoRSS: point >
< / entry>
< / feed >
GeoRSS GML through RSS 2.0:
</p>
<p>
<? xml version = " 1.0" encoding = "UTF -8"? >
< rss version = "2.0"
xmlns: GeoRSS = " http://www.georss.org/georss "
xmlns: gml = " http://www.opengis.net/gml " >
<channel>
<link> http://maps.google.com </ link>
<title> Cambridge Neighborhoods </ title>
<description> One guy's view of Cambridge, MA < / description>
joiners
<GUID isPermaLink="false"> 00000111c36421c1321d3 </ guid >
<pubDate> Thu, April 5, 2007 20:16:31 0000 </ pubDate >
<title> Central Square </ title>
<description> The heart and soul of the "old " Cambridge.
DEPENDING on where you
stand, you can feel like you're in the 1970s or 2020. < / description>
<author> rajrsingh </ author>
<gml:Polygon>
<gml:exterior>
<gml:LinearRing>
<gml:posList>
-71.106216 42.366661
-71.105576 42.367104
-71.104378 42.367134
-71.103729 42.366249
-71.098793 42.363331
-71.101028 42.362541
-71.106865 42.366123
-71.106216 42.366661
</ gml: posList >
</ gml: Linear Ring>
</ gml: exterior >
</ gml: Polygon>
< / item>
</ channel>
</ rss >
GeoRSS Simple via RSS 2.0 W3C:
</p>
<p>
<? xml version = " 1.0"? >
<? xml-stylesheet href = "/ eqcenter / catalogs / rssxsl.php? feed = eqs7day - M5.xml " type = "text / xsl "
media = "screen"? >
< rss version = "2.0"
xmlns: geo = " # http://www.w3.org/2003/01/geo/wgs84_pos "
xmlns: dc = " http://purl.org/dc/elements/1.1/ " >
<channel>
<title> USGS M5 Earthquakes </ title>
<description> Real-time, worldwide earthquake list for the past seven days < / description>
<link> http://earthquake.usgs.gov/eqcenter/ </ link>
<dc:publisher> U.S.
Geological Survey </ dc: publisher >
<pubDate> Thu, 27 Dec 2007 23:56:15 PST </ pubDate >
joiners
<pubDate> Fri, 28 Dec 2007 05:24:17 GMT </ pubDate >
<title> M 5.3, northern Sumatra, Indonesia </ title>
<description> December 28, 2007 05:24:17 GMT < / description>
<link> http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2007llai.php </ link>
<geo:lat> 5.5319 </ geo: lat>
<geo:long> 95.8972 </ geo: long >
< / item>
</ channel>
</ rss >
Examples of GeoRSS implementations
</p>
<p>
Example feeds
</p>
<ul>
<li>Trip Assist, Carpool Rideshare Portal ( GeoRSS GML encoding for RSS 2.0)
</li>
<li>Earth Publisher, Press Releases around the world (W3C GeoRSS )
</li>
<li>GeoNetwork opensource: Simple and GML feeds.
</li>
<li>USGS real-time, worldwide earthquake list for the past 7 days (W3C GeoRSS )
</li>
</ul>
<p>
Use and implementation
</p>
<ul>
<li>Google Maps: Google Maps API blog posting on Google support for the Simple, GML, and W3C Geo encodings of GeoRSS
</li>
<li>Yahoo Maps, description for using GeoRSS in the Yahoo Maps Web Services.
</li>
<li>Virtual Earth Microsoft Virtual Earth support for GeoRSS geo, simple, and GML.
</li>
<li>Geopress WordPress and MovableType plugins for adding GeoRSS to a blog.
</li>
<li>GeoRSS Module Drupal module for adding GeoRSS to a Drupal website.
</li>
<li>Mapufacture GeoRSS feed aggregator.
</li>
<li>MapQuest MapQuest Embeddable map using GeoRSS Feed
</li>
<li>City Surf Globe 3D Virtual Globe software using GeoRSS Feed
</li>
</ul>
<p>
Open source projects
</p>
<ul>
<li>OpenLayers Demo for the OpenLayers GeoRSS parser.
GeoRSS GML and Simple are supported.
</li>
<li>GeoRSS Simple and GeoRSS GML Worldkit are supported.
</li>
<li><a href="/geoserver.html">GeoServer</a>
</li>
<li>The OGR library Provides support for reading and schreibenen access to GeoRSS data.
</li>
</ul>
<p>
Products
</p>
<ul>
<li></li>
<li></li>
<li>Ionic / Leica Geosystems The use of GeoRSS in Ionic redSpider products
</li>
<li>Bay of Islands GeoRSS Contains information about local accommodation
</li>
<li>Mark Logic Provides support for geospatial queries using GeoRSS / Simple markup.
</li>
</ul>
<p>
Based on GeoRSS pages
</p>
<ul>
<li>Twitter Updates from World
</li>
<li>Flickr Updates from World
</li>
</ul>
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