Technical Guides
DNF0001 - Overview Document
Les Rackham
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.
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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Linked Data Workshop - Agenda available - Registration open
Spaces are limited - first come first served ... read more
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Getting Started with Linked Data
Workshop Announced ... read more
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Coming up this week - DNF Expert Group Meeting
Plans and outline for EG#21 meeting, July 1st ... read more
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BCS reports on recent geospatial event
"Time, Space and Meaning - a seminar on Geospatial semantics" ... read more
