The governmental national mapping agency of the UK.

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2answers
617 views

Transforming a Google Maps overlay to fit an Ordnance Survey projection

I am currently in the process of creating a map with some administrative boundaries on it. The base map I am using is an ordnance survey map 1:10000. I downloaded an administrative border as a .kml ...
0
votes
3answers
2k views

OpenLayers With UK Ordnance Survey Maps

How do I use UK ordnance survey maps with OpenLayers API without committing myself to using the OpenSpace API. I need to have generic OpenLayers code only.
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0answers
172 views

OpenLayers maxExtent

I've displaying Ordnance Survey UK tiles in OpenLayers using a TMS Layer the scales are using are 1000K, 250K, 50K and 10K. I've set the maxExtent to 0.0, 0.0, 700000.0, 1300000.0 which is working ...
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0answers
261 views

problem overlaying osm with os-derived data in QGIS - both British National Grid

I am currently working alongside city council datasets derived from Ordnance Survey; this is projected in their ArcSDE system as "British National Grid" or EPSG:27700. My problem is that I am trying ...
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0answers
171 views

Trying to convert to EPSG:27700 (Ordnance Survey) projection, unable to do so

I'm trying to code an interface that allows a user to draw a vector shape on openstreetmap, which is then converted to a WKT string, processed by the server and sent of as a WFS query to emapsite ...
3
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1answer
891 views

How to get a QGIS useable style file from OS .xml and .xsl files?

Ordnance survey provide some style files to support their vectormaplocal product. The style files appear to come in pairs, similarly named but one with a .xml extension and the other .xls The two ...
4
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1answer
957 views

Google maps and Ordnance Survey derived data licence restrictions

Current Status: You can't use data derived from restricted licence OS data with Google Maps. There's been an on-going question about whether it is legal to display data derived from Ordnance Survey ...
15
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1answer
11k views

Merging adjacent polygons in shapefile that has been split at tile boundaries?

I'm currently using building data from the Ordnance Survey Vectormap District and I've noticed that a lot of building polygons are split in 2 because of the way the OS split up the shapefile. This is ...
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0answers
117 views

OSGB36 referenced PNG to Google Earth

I am creating a PNG that is referenced to the OSGB36 datum (1 pixel per 50m easting/northing that is colored according to the result of some calculation code) I want to display this on Google Earth ...
1
vote
1answer
201 views

Ordnance Survey TOIDS: converting from strings to integers

I'm planning to load a number of OS datasets into Postgres/PostGIS. In order to save space and speed up queries, I'd like to strip the 'osgb' off the front of the TOID strings and then store the ...
1
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2answers
193 views

How can I find an OSGB six-digit code's bounding box?

How can I convert Ordnance Survey six-digit codes to the latlng bounding box of the related 1km grid square? For example, NH0325: according to Wikipedia this means a 1km square whose south-west ...
2
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1answer
148 views

Why might Ordnance Survey codes all be out by 500m?

I've been given a set of UK Ordnance Survey geocodes, but I think they're all off by about 500 metres. Here is an example - please could someone confirm to me that the codes are wrong, not my ...
3
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0answers
359 views

A problem with ArcGIS network analyst making paths and roads work together

Working in Arc GIS 10 .0 service pack 5, network analyst extension, Productivity Suite 2.1 service pack 7, on Windows 7. I am trying to get the Ordnance survey ITN urban paths layer to work with OS ...
5
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3answers
1k views

Convert Ordnance Survey NTF data to QGIS compatible format

Is there a way of converting Ordnance Survey NTF data to QGIS that will correctly import the data and build polygons? QGIS will read the data as is, but it imports the polygons only as ...
2
votes
1answer
3k views

Convert X Y Pixels to Easting Northing

I'm trying to find out what the formula would be to convert the X, Y of an image to the Easting and Northing coordinates. I've downloaded some of the raster maps from OS UK web site and I'm looking ...
4
votes
1answer
653 views

How to start from scanned maps in qgis

What I have: A large TIFF covering parts of several contiguous sheets of the British OS 6 inch first edition. It has no georeferencing. It's just a series of scans which someone has stitched ...
2
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0answers
639 views

Is it acceptable to store OSGB36 data as geometry in SQL Server?

I've set myself a project of getting some geo data into SQL Server but before I get started doing any of the big jobs I wanted to see if I was on the right track. All of my data is for the UK and is ...
2
votes
2answers
455 views

Ordnance Survey osgb:BNG spatial reference system not recognized by PostGIS

I'm trying to load an Ordnance Survey GML file into PostGIS using the ST_GeomFromGML function. The problem is that the spatial reference system that is used in the file, osgb:BNG, is not recognized by ...
15
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1answer
2k views

How to load Ordnance Survey OpenSpace in QGIS?

The version of gvSIG that I have on my Android tablet will load OS OpenSpace layers and I wonder whether or not it would be possible for QGIS desktop to do the same? And if so, how? I have my own ...
4
votes
2answers
475 views

Spatial Indexes on OS MasterMap Data

What are the optimal settings for setting up a SQL Server 2008 Spatial database with full UK OS MasterMap data in? Seperate tables for the different feature types, or a single table with everything ...
1
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1answer
228 views

Automating Mastermap update in Oracle Spatial?

I've been set a challenge which is a bit out of my comfort zone. I'm an esri developer trying to break into the open source world. I've been asked to automate the update of some oracle SDO datasets. ...
2
votes
2answers
3k 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
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1answer
1k views

How to create a routable road network from Ordnance Survey data?

I've been following the "Beginners Guide to pgRouting" in an attempt to create an in-house application that provides drive-time isochrones. I have a server, postgreSQL and PostGIS and pgRouting - no ...
5
votes
2answers
2k 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
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0answers
214 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 ...
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3answers
1k 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: ...
7
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2answers
3k views

QGIS and Raster Mapping in 'Seamless' layer

I would like to use Ordnance Survey base mapping in QGIS. I would like to set up something like a seamless table in MapInfo. I think that the equivalent in QGIS is a Virtual Raster Table. The files ...
3
votes
2answers
733 views

Generate cache tiles for EPSG:27700 for use with OpenSpace

I am using GeoServer 2.1.0 (windows jetty local install for dev), open layers and Ordnance Survey openspace api and have a set of shape data that I am using as an overlay. Everything is working as ...
3
votes
2answers
127 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 ...
4
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1answer
1k views

UK cities boundries in Ordnance survey

Are there any city boundaries of UK cities in the Ordnance Survey?
2
votes
2answers
305 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. ...
7
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 ...
4
votes
2answers
636 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
191 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
1k 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
340 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
2k views

How to style OS VectorMap district data?

Following a question about ways to load OS VectorMap data, I have imported the data into ArcGIS, but now want to style it in a OS-map style. I have searched around, and found various bits of ...
3
votes
5answers
2k 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
3answers
191 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?
4
votes
4answers
287 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?
4
votes
4answers
331 views

In the UK, how do I convert from an address to a lat/long?

Please include where I can buy the dataset and how much it costs?
8
votes
2answers
4k views

Ordnance Survey grids - download or generate?

Does anyone know a source from which to download vector UK Ordnance Survey grids at varying resolutions? Or failing that, a tool that can create an OS grid at a specified resolution? There are plenty ...