Learning Lessons From Neogeography .. GeoRSS at the Ordnance Survey
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http://conferences.oreillynet.com/cs/where2007/view/e_sess/11971
Transcript of Learning Lessons From Neogeography .. GeoRSS at the Ordnance Survey
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OpenStreetMapOpenStreetMap
A Large Org of People Who Love Maps
A Positive Influence for the OS
Feather in the Cap for GeoRSS
RSS, “the Unix pipe of the Internet”
-Ray Ozzie
+ =
elev
floor
radius
featuretypetag
relationshiptag
featurename
georss.org
Geometries Attributes
Simple GML
georss.org
RSS 1.0 RSS 2.0 Atom
Flavors
RSS formats
They All Love GeoRSS
MasterMap Change-Only-Update
in GeoRSS with the RSS Aggregation Model
COU GML<osgb:topographicMember><osgb:TopographicLine fid='osgb1000000042008501'><osgb:featureCode>10052</osgb:featureCode><osgb:version>2</osgb:version><osgb:versionDate>2006-09-01</osgb:versionDate><osgb:theme>Land</osgb:theme><osgb:accuracyOfPosition>1.0m</osgb:accuracyOfPosition><osgb:changeHistory><osgb:changeDate>1994-11-25</osgb:changeDate><osgb:reasonForChange>New</osgb:reasonForChange></osgb:changeHistory><osgb:changeHistory><osgb:changeDate>2005-11-10</osgb:changeDate><osgb:reasonForChange>Attributes</osgb:reasonForChange></osgb:changeHistory><osgb:descriptiveGroup>General Surface</osgb:descriptiveGroup><osgb:make>Natural</osgb:make><osgb:physicalLevel>50</osgb:physicalLevel><osgb:physicalPresence>Edge / Limit</osgb:physicalPresence><osgb:polyline><gml:LineString srsName='osgb:BNG'><gml:coordinates>459462.000,1216335.000 459472.000,1216335.000 459478.000,1216336.000 459483.500,1216338.000 459489.500,1216340.000 459493.500,1216341.000 459516.500,1216346.500 459518.000,1216346.500 459528.500,1216347.500 459534.000,1216348.500 459549.000,1216350.500 459555.500,1216352.000 459562.480,1216353.590 459563.910,1216353.910 </gml:coordinates></gml:LineString></osgb:polyline></osgb:TopographicLine></osgb:topographicMember>
Reuse Atom + GeoRSS Construct
gml:* georss:*
osgb:topographicMember atom:entryosgb:fid atom:idosgb:versionDate atom:updatedosgb:reasonForChange georss:relationshiptypetag (CRUD)
osgb:themeosgb:descriptiveGroup atom:category scheme/termosgb:make
the entire COU in GML atom:content
get a screenshot (Oracle is down)
Subscription System
WFS Simple
“The WFS Simple mission is to specify a common, minimal feature set for geospatial-temporal data queries on the Web.”
Rails
Subscription Client
Was GeoRSS Sufficient?
RESTful TOIDs, ala OSM
Functional Demo handed over to OS...
http://flickr.com/photos/brockenbrough/139716870/http://flickr.com/photos/islandspice/296889272/
