1. OWS Context SWG Demo 83rd OGC Technical Committee Redlands, CA USA
Joan Masó (CREAF)
January 14th, 2013
Copyright © 2013 Open Geospatial Consortium

2. OWS Context Document Communicating the context between clients
OGC
<href>
<embbed>
<href>
The OWS Context document is a ….. That those …. Is good for …
GML
WPS Service
WMTS Service
WCS Service
Geospatial file
© 2012 Open Geospatial Consortium

3. Content of the context document
A general feed description
2 entries
A WMS offering
<owc:offering code="
<owc:operation code="GetMap" href=" SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap& FORMAT=image/png&CRS=EPSG:4326&Layers=NaturalEarth &BBOX= , , , & WIDTH=1920&HEIGHT=1148" method="GET"/>
</owc:offering>
GML embbeded data
<owc:offering code="
<owc:content type="application/gml+xml">
<gml:FeatureCollection gml:id=" ”
[…]
GML data is composed by 3 FeatureTypes:
clk:al212010_position: gml:Point
clk:al212010_track: gml:LineString
clk:al212010_windswath: gml:Polygon
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4. Context in a web browser (Opera)
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5. Copyright © 2013 Open Geospatial Consortium
Google maps
You cannot show local files.
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6. Copyright © 2013 Open Geospatial Consortium
Bing maps
Without GeoRSS in each entry
With GeoRSS in each entry (edited duplicating the feed one)
It supports reading files that are local drive
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7. OWS Context document: project file for GIS apps.
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8. OWS Context document loaded
Copyright © 2013 Open Geospatial Consortium

9. Saving a context document for data exchange
<?xml version="1.0" encoding="UTF-8"?> <feed xmlns=" xmlns:dc=" xmlns:georss=" xmlns:gml=" xmlns:owc=" xml:lang="en"> <category scheme=" term=" label="This file is compliant with version 1.0 of OGC Context"/> <id> <title>Hurricane Tomas</title> <author> <name>Núria Julià</name> </author> <updated> T14:59:42Z</updated> <owc:display> <owc:pixelWidth>911</owc:pixelWidth> <owc:pixelHeight>412</owc:pixelHeight> </owc:display> <georss:where> <gml:Envelope srsName="EPSG:4326" srsDimension="2"> <gml:lowerCorner> </gml:lowerCorner> <gml:upperCorner> </gml:upperCorner> </gml:Envelope> </georss:where> <generator uri=" version="v. 7.0o">MiraMon v. 7.0o © Xavier Pons </generator> <entry> <id> <title>Natural Earth</title> <content type="text">NaturalEarth [ Natural Earth image/png </content> <owc:offering code=" <owc:operation code="GetCapabilities" method="GET" type="application/xml" href=" <owc:operation code="GetMap" method="GET" type="image/png" href=" </owc:offering> <owc:minScaleDenominator>0</owc:minScaleDenominator> <owc:maxScaleDenominator> </owc:maxScaleDenominator> </entry> </feed>
It is not saving embbed GML yet
Copyright © 2013 Open Geospatial Consortium

10. Context document in a web browser
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11. Copyright © 2013 Open Geospatial Consortium
Importing the WMS part.
Copyright © 2013 Open Geospatial Consortium

12. Copyright © 2013 Open Geospatial Consortium

13. OWS Context created with the WMS layers
<?xml version="1.0" encoding="UTF-8"?>
<feed xml:lang="En">
<category label="This file is compliant with version 1.0 of OGC Context" scheme=" term="
<id> World: Land Cover, Elevation and Political Boundaries</id>
<title>The World: Land Cover, Elevation and Political Boundaries</title>
<updated> T23:40:17.630Z</updated>
<generator>MiraMap Navigator v.5.4</generator>
<entry>
<id> Object]</id>
<title>[object Object]</title>
<content type="html">NDVI , December</content>
<owc:offering code="
<owc:operation code="GetCapabilities" href=" method="GET"/>
<owc:operation code="GetMap" href=" method="GET"/>
</owc:offering>
</entry>
<id> 2'</id>
<title>ETOPO2 2'</title>
<content type="html">Digital Elevation Model (ETOPO2)</content>
<owc:operation code="GetMap" href=" method="GET"/>
<id> Shuttle Radar<br>Topography Mission 3"</id>
<title>SRTM Shuttle Radar<br>Topography Mission 3"</title>
<content type="html">Shuttle Radar Topography Mission (SRTM3)</content>
<owc:operation code="GetMap" href=" method="GET"/>
</feed>
Copyright © 2013 Open Geospatial Consortium

14. Copyright © 2013 Open Geospatial Consortium
owc2html
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15. Copyright © 2013 Open Geospatial Consortium
ows2html
Copyright © 2013 Open Geospatial Consortium