Technical Guides
DNF - Overview - 1. Digital National Framework (DNF) - Overview
Les Rackham, DNF Technical Group
This document provides an overview to the technical architecture of the Digital National Framework (DNF) and a guide to the documentation and services being developed in support of the technical architecture. It is aimed at business readers wishing to gain a general understanding of the technical aspects of DNF and also other new adopters who need to understand the broader technical picture and seek guidance on where to look for more detailed information required for any implementation.
DNF0004 - Association Model
Eric Malcomson
This document lays out the logical model by which applications associate with geographic objects in a base reference layer using cross referencing techniques. More complex forms of association are also included in the model, for example, where an application refers to a geographic object within an application reference layer, which in turn is associated with geographic objects in the base reference layer.
DNF0011 - Unique Object Identifiers
Jonathan Simmons
This document is intended to outline the fundamentals of dealing with nationally unique identifiers within the Digital National Framework (DNF) and to provide both rules and recommendations for their use, storage and allocation.
DNF0020 - Coordinate Reference Systems
Keith Murray
This document outlines the different spatial coordinate systems that are currently in common use in the United Kingdom, the transformations between these systems and how they support the Digital National Framework [DNF].
DNF0054 - Technical Guide to Feature Cataloguing
James Rapaport
This document provides technical guidance on the creation of feature catalogues and the requirements for creating a feature catalogue conforming to DNF principles.
Other news
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BCS announces new Linked Data geospatial group to further DNF principles
Bringing together DNF and Linked Data ... read more
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BCS Geospatial Specialist Group event - registration open
Open Data and the Public Data Company: Whose data is it anyway and who pays for it? ... read more
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DNF Expert Group Meeting #23 - Dudley
A short summary of the day ... read more
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DNF to embrace Linked Data
Major step in DNF evolution to bring Linked Data to Geospatial community ... read more
