Preface This user guide is divided into two parts. Part 1 (product specification) contains the information you need to make effective use of the OS MasterMap® product and service and is designed to help you understand the information contained in the data. Part 2 (reference section) contains detailed technical information and data format specification. This user guide has been checked and validated before issue and every endeavour made to ensure that the contents are accurate. If you find an error, omission, or otherwise wish to make a suggestion as to how this user guide can be improved, please contact us at [email protected] or the address shown under contact details or use the Product and service performance report form at appendix B. Contact details The Customer Contact Centre will be pleased to deal with your enquiries: Phone: 023 8030 5520 Fax: 023 8030 5477 Email: [email protected] Welsh Language HelpLine [in Welsh] phone: 08456 05 05 04. or write to: Customer Contact Centre Ordnance Survey Romsey Road SOUTHAMPTON United Kingdom SO16 4GU Visit the Ordnance Survey® web site at: www.ordnancesurvey.co.uk OS MasterMap user guide: reference section preface v5.1 – 2/2004 © Crown copyright Page 1 Product performance If you have any problems with or identify any errors in the data or user guide, please complete the Product and service performance report form at appendix B. Liability Ordnance Survey is only responsible for producing data and providing it to our customers on either media or via FTP (file transfer protocol) server. Any advice or explanation provided by Ordnance Survey is for guidance only regarding your use of the data and it is your responsibility to ensure that goods ordered are suitable for your intended purpose. We cannot accept responsibility for the content of any third party websites referenced in this user guide. Terms and conditions of data use A full description of the terms and conditions of supply and use of OS MasterMap is detailed in the customer contract held by you or your organisation. User guide copyright This user guide is © Crown Copyright 2003. All rights reserved. It is supplied with OS MasterMap to allow you to make effective use of the data. Any part of the user guide may be copied for use internally in your business, although you should check the Ordnance Survey website from time to time for the latest version. Printing of this user guide If you wish to print this user guide, it is suggested that it is bound on the left side. OS MasterMap user guide: reference section preface v5.1 – 2/2004 © Crown copyright Page 2 Trademarks Ordnance Survey, the OS Symbol, ADDRESS-POINT, DNF, Land-Line, MasterMap, OSGB36, OSCAR, and TOID are registered trademarks and Digital National Framework, Integrated Transport Network, ITN, Ordnance Survey Options and OS are trademarks of Ordnance Survey, the national mapping agency of Great Britain. Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated. Arial is a registered trademark of The Monotype Corporation. Royal Mail is a registered trademark of the Royal Mail Group. Ordnance Survey acknowledges all other trademarks. OS MasterMap user guide: reference section preface v5.1 – 2/2004 © Crown copyright Page 3 Contents Chapter 2.1 Introduction....................................................................................................................................................................... 11 Using the user guide ..........................................................................................................................................................................11 Chapter 2.2 Classification and attributes of OS MasterMap features..................................................................................................... 12 Classification of OS MasterMap features ...........................................................................................................................................12 Feature type..................................................................................................................................................................................12 Feature description attributes .......................................................................................................................................................14 OS MasterMap address features..................................................................................................................................................15 OS MasterMap ITN features .........................................................................................................................................................16 Attribute sets ......................................................................................................................................................................................17 Address Layer features.................................................................................................................................................................17 Topography Layer features...........................................................................................................................................................18 ITN (Roads) Layer features...........................................................................................................................................................24 All layers .......................................................................................................................................................................................33 Attribute data types ............................................................................................................................................................................34 Simple attributes ...........................................................................................................................................................................34 Complex attributes........................................................................................................................................................................35 Attribute metadata ........................................................................................................................................................................39 Data types.....................................................................................................................................................................................40 Attribute descriptions .........................................................................................................................................................................41 Attribute values...................................................................................................................................................................................50 accuracy .......................................................................................................................................................................................50 accuracyOfPosition.......................................................................................................................................................................51 classification .................................................................................................................................................................................51 day................................................................................................................................................................................................52 anchorPosition ..............................................................................................................................................................................52 descriptiveGroup ..........................................................................................................................................................................53 descriptiveTerm ............................................................................................................................................................................55 featureCode ..................................................................................................................................................................................57 instruction .....................................................................................................................................................................................64 load...............................................................................................................................................................................................64 make .............................................................................................................................................................................................65 matchStatus ..................................................................................................................................................................................65 namedDate ...................................................................................................................................................................................66