- From: Hugh Glaser <hg@ecs.soton.ac.uk>
- Date: Sat, 24 Oct 2009 02:20:39 +0100
- To: John Goodwin <John.Goodwin@ordnancesurvey.co.uk>, "public-lod@w3.org" <public-lod@w3.org>
Wow, John, awesome and timely. (For llinkage, I have put the same URIs I had before into sameAs. eg: http://sameas.org/?uri=http://data.ordnancesurvey.co.uk/id/7000000000037256 I think there are about 160, but more would be appreciated!) On 24/10/2009 01:51, "John Goodwin" <John.Goodwin@ordnancesurvey.co.uk> wrote: > > Hi, > > Ordnance Survey now has some "linked" data up at: > > data.ordnancesurvey.co.uk > > This data includes identifiers and names for the administrative and voting > areas of Great Britain. Explicit geometries are not included in the RDF, but > there are topological relationships included between regions which should be > of use for many applications. > > For a given region there are containment, overlap and spatial equivalence > relations given between it and other regions. Furthermore, bordering > information is given between "similar" entities. For example, explicit > bordering information is given between wards. There is also bordering > information between unitary authorities, counties etc. > > If you wish to see the boundary on a map then area code and unit ID attributes > can be used in the OS OpenSpace API to display the boundary. > > So for example, for Southampton > (http://data.ordnancesurvey.co.uk/id/7000000000037256) the area code is UTA > (for unitary authority) and the unit ID is 37256. These values can be used as > follows: > > /*here we set-up the our variable called 'boundaryLayer' with the > strategies that we require. > In this case, it is its ID and type i.e. Unitary Authority */ > boundaryLayer = new OpenSpace.Layer.Boundary("Boundaries", { > strategies: [new OpenSpace.Strategy.BBOX()], > admin_unit_ids: ["37256"], > area_code: ["UTA"] > }); > //then we add the bounadry to the map > osMap.addLayer(boundaryLayer); > //this effectively refreshes the map, so that the boundary is visible > osMap.setCenter(osMap.getCenter()); > > > to display the Southampton boundary. See > http://openspace.ordnancesurvey.co.uk/openspace/support.html for more details. > > John > > (apologies for any typos but this was written whilest jetlagged) > This email is only intended for the person to whom it is addressed and may > contain confidential information. If you have received this email in error, > please notify the sender and delete this email which must not be copied, > distributed or disclosed to any other person. > > Unless stated otherwise, the contents of this email are personal to the writer > and do not represent the official view of Ordnance Survey. Nor can any > contract be formed on Ordnance Survey's behalf via email. We reserve the right > to monitor emails and attachments without prior notice. > > Thank you for your cooperation. > > Ordnance Survey > Romsey Road > Southampton SO16 4GU > Tel: 08456 050505 > http://www.ordnancesurvey.co.uk > > >
Received on Saturday, 24 October 2009 01:21:23 UTC