2
votes
1answer
62 views

Origin of the OSGB36 datum origin

Interpreting 'GIS' in the geographical information science sense, I have a historical question about the 1936 OSGB datum following the 1936-62 retriangulation of Great Britain - hopefully not too ...
0
votes
2answers
106 views

Output map of only 50m-100m contours [closed]

I´ve got the "OS Terrain 50" contours/spot-heights dataset. I would like to output a series of maps with everything above 0m, 50m, 100m etc. from a region. I know almost nothing about GIS, but have a ...
2
votes
1answer
335 views

QGIS OS grid overlay

I'm totally new to GIS. However, I've proudly managed to create a map, which is correctly geo-referenced with a Great Britain Ordnance Survey (OS) background (streetview level) and I've added some ...
7
votes
2answers
662 views

Easiest way to create historical street maps using QGIS

I want to make some historical street maps using QGIS. I understand how to upload a historical OS map from DigiMaps to QGIS, but I want to actually 'draw' the streets myself in order to have some ...
5
votes
3answers
173 views

Missing Scottish Administrative Data in OS Opendata sets

I'm not sure if this forum is really the correct place to ask, but impertinence would lead me to believe that there may be some one on here that may know the answer. I'm using the Ordnance Survey Open ...
0
votes
3answers
806 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.
2
votes
0answers
402 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 ...
3
votes
2answers
104 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 ...
3
votes
2answers
954 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 ...
2
votes
3answers
165 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
240 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
307 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?