- 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)
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Received on Saturday, 24 October 2009 01:21:23 UTC