The governmental national mapping agency of the UK.
3
votes
1answer
81 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 ...
3
votes
1answer
287 views
Google maps and Ordnance Survey derived data licence restrictions
There's been an on-going question about whether it is legal to display data derived from Ordnance Survey licenced mapping via google maps.
By derived data, I mean geometries which have been copied ...
6
votes
1answer
534 views
How can I merge adjacent polygons in a shapefile that have 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 ...
1
vote
0answers
75 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
54 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
vote
2answers
47 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
votes
1answer
68 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 ...
2
votes
0answers
91 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 ...
4
votes
3answers
321 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
461 views
Convert X Y Pixels to Easting Northing
Hopefully someone can help.
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 ...
4
votes
1answer
200 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
votes
0answers
237 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
151 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 ...
3
votes
2answers
289 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
vote
1answer
174 views
Open Source Challenge: Automated 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
981 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]
...
4
votes
0answers
483 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
816 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
148 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
424 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: ...
5
votes
2answers
944 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
558 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
83 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
votes
1answer
373 views
UK cities boundries in Ordnance survey
Are there any city boundaries of UK cities in the Ordnance Survey?
2
votes
2answers
223 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. ...
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 ...
3
votes
2answers
477 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
167 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
753 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
229 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 ...
1
vote
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
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 ...
2
votes
3answers
155 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
4answers
192 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
277 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?
5
votes
3answers
1k 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 ...
