The governmental national mapping agency of the UK.

learn more… | top users | synonyms

4
votes
1answer
48 views

Can Irish points be accurately represented by British OS Grid references?

I'm currently working in a database which stores mainland British locations as their Ordinance Survey Northing/Easting values. Can points in Ireland (primarily Northern Ireland) be accurately ...
2
votes
1answer
160 views

How to zoom an Ordnance Survey OpenSpace Pro map to make it bigger rather than to show more features

I'm trialling Ordnance Survey OpenSpace Pro WMS, and I have a basic map showing all the layers I'm going to be licensed for (free ones plus vector map local). This works fine, but I'd like to make the ...
1
vote
1answer
35 views

Convert Ordnance Survery (GB) Easting/Northing data to WGS84 lat/long

This is my first venture into GIS datasets. I've decided to start a little project which will eventually hook into the Google Maps api to overlay/plot/pin from data in my database. I've started ...
1
vote
1answer
28 views

Understanding ordnance grid reference such as TQ38-7152-9751?

I have a list of OS grid references, such as TQ38-7152-9751, which I assume is at a resolution level below 1km, but cannot find a grid for this or a way of converting to eastings and northings?
1
vote
1answer
130 views

England - Non-metropolitan counties and the ONSPD (Postcode data)

I have a large amount of data records which have a postcode on them that I'm in the process of trying to visualise on an England map. The first map view I'm doing is naturally regional view. This is ...
0
votes
1answer
132 views

Importing large tiled datasets (e.g. Ordnance Survey) into MapInfo?

I am currently using MapInfo and have several large Ordnance Survey datasets, which require updating. They are tiled .tiffs and need to first, be registered as .tab files. Second the .tab files need ...
3
votes
0answers
27 views

Creating Projection/Datum TransvMerc/OrdSurvGrtBrit in QGIS?

I have Memory Map files QCT exported to ECW. The Projection/Datum is Transverse Mercator / Ordnance Survey Great Britain which is not mentioned in the list of Projections/Datums available. How can I ...
3
votes
0answers
366 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 ...
2
votes
0answers
640 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
0answers
215 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 ...
1
vote
0answers
56 views

Is there a style sheet available for OS Open Roads layer?

I've added this vector layer into QGIS but unlike other layers available from the OS I haven't been able to find a standard style to work with it. Is there anything available out there? https://www....
1
vote
0answers
131 views

OS Master Map Styling in QGIS using QML/SLD

I am trying to apply stylesheet that I downloaded in qml format from GitHub of Ordnance Survey https://github.com/OrdnanceSurvey/OS-VectorMap-District-stylesheets/tree/master/GML%20stylesheets ...
1
vote
0answers
49 views

Why is shapefile not recognised by Mason?

I have a shapefile of an Ordnance Survey Mastermap ITN road network that I am trying to load into an agent-based modelling software called Mason. When I try to run my model I get the following error: ...
1
vote
0answers
265 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 ...
1
vote
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 (...
1
vote
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 ...
0
votes
0answers
38 views

Using ordnance survey data to make a D3 map?

I would like to display a map of the UK Westminster Parliamentary Constituencies in D3 with a width of 980px. I have downloaded and extracted the ordnance survey ESRI shapefiles from here: https://...
0
votes
0answers
69 views

Merging speed limit from OpenStreetMap with Ordnance Survey data using ArcGIS for Desktop?

I am working with the Ordnance Survey ITN layer for the UK road network in ArcGIS. Unfortunately, whilst it has many attributes, speed limits is not one of them. I have produced roughly accurate ...
0
votes
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 ...