The Digimap Ordnance Survey collection contains a number of datasets ranging from small scale base maps, such as MiniScale®, to detailed large scale mapping including OS MasterMap®, which is the most detailed large scale vector dataset available from Ordnance Survey. Complete coverage of Great Britain is available for all the products in the collection and all products are updated throughout the year, as and when updates are received from Ordnance Survey.
Details of all the Ordnance Survey products available through Digimap can be found on the Digimap Ordnance Survey Product Page.
Once registered, you can use the Digimap OpenStream API to do things like:
All without the overheads of downloading and managing large quantities of data.
For information about obtaining ArcGIS software see www.ed.ac.uk/schools-departments/information-services/computing/desktop-personal/software/main-software-deals/arcgis.
Edinburgh University users may contact the Data Library for access.