The governmental national mapping agency of the UK.

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2
votes
2answers
1k views

Converting ASCII grid/NTF to SRTM/DEM

I want to use the Ordnance Survey Land-Form Panorama product in some software called Maperitive, which can read custom SRTM DEM files. The data is provided in the following formats: DXF [Contours] ...
5
votes
2answers
1k views

Converting Ordnance Survey raster maps to WGS84 webmap tiles

I would like to generate Google/Bing-like map tiles from Ordnance Survey's 1:25000 and 1:50000 raster maps, which are provided as 4000x4000 UK national grid tiles (GeoTIFF). A sample tile can be ...
2
votes
0answers
174 views

SharpMap UK OS data

I've downloaded the UK raster and the corresponding tab file from the ordnance survey website and have displayed the image using the GDARaster class. however I am now stuck as I have no idea how to ...
4
votes
2answers
671 views

Looking for a Provider of UK boundary data

I'm working on a web project centered around the input and mapping of GIS data. We have a need to display polygons of town boundaries. The RightMove.co.uk website has and uses this data: ...
3
votes
2answers
101 views

Obtaining OS MasterMap time series data

I am trying to do a research project on changes in Land Cover in a London borough over time. I have access to OS MasterMap data through Digimap (the service that provides this data to universities in ...
6
votes
5answers
2k views

Problem loading OS OpenData multipoint shapefile into PostGIS

I am trying to load the OS OpenData Strategi shapefile dataset into a PostGIS database. I have had no problems with the polyline and polygon shapefiles, but I am unable to get the point shapefiles to ...
2
votes
2answers
253 views

Ordnance Survey No Turn

I have a project that involves porting a lot of information from ordnance survey to a spatial database. From that database I'm going to extract the information I need for a routing application. ...
4
votes
1answer
554 views

UK cities boundries in Ordnance survey

Are there any city boundaries of UK cities in the Ordnance Survey?
4
votes
2answers
549 views

Ordnance Survey data on GeoServer 2.x

Has anyone had any success deploying the Ordnance Survey's free datasets on its open sourced OSGBWebMapTools framework using GeoServer 2.0.2? I've been able to set up the datasets on GeoServer 1.7.6 ...
3
votes
0answers
182 views

Ordnance Survey Grids [duplicate]

Possible Duplicate: Ordnance Survey grids - download or generate? Does anyone know if I can download a grid of the tile locations for the 1:10k, 1:25k and 1:50k Ordnance Survey tile ...
3
votes
2answers
911 views

Using openlayers to render UK National Grid maps

Is there a way I can use Openlayers with a 1 pixel = 1m/2m/4m OS Grid map at high resolutions (i.e. OS Street View), but switching to a Mercator projection when you zoom out (i.e. for Google Maps or ...
1
vote
1answer
262 views

Direction on OS Meridian data

I've been looking to use the Ordanance Survey's Meridian data (part of the their OpenData suite) for doing vehicle routing. Whilst I can infer road class from the NUMBER property on each polyline, I ...
2
votes
3answers
160 views

What are the licence limitations on the free Ordnance Survey (OS) data sets?

The OS has some “free” map data, but what am I allowed to use it for?
3
votes
5answers
1k views

Ways to load OS VectorMap data

Us lucky fellows in the UK have been able to access public geodata from Ordance Survey under an open licence since April this year. Some of the datasets, including VectorMap, are broken into 100 ...
3
votes
4answers
223 views

Are there any other providers of map data in the UK apart from the Ordnance Survey?

The Ordnance Survey charges a lot for most data, so what are the other options?