User Guide - Digimap

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eal-world objectThe real-world feature represented by a feature, for example, a building, a fence, a wood.rectangular coordinatesAlso known as x-y coordinates and as eastings and northings. These are two-dimensional coordinates thatmeasure the position of any point relative to an arbitrary origin on a plane surface (for example, a mapprojection, a digitising table or a VDU screen).stippleUsed to produce light or dark shading (for example, building /water fill); this is dependent on spacing of thedots – the denser the dots, the darker the effect.stringA set of items that can be arranged into a sequence according to a rule.supply formatThe file format in which the data is supplied to the customer.tagTags are unique numbers that are used for identifying specific information in TIFF files, for example, imagewidth, image length, bits per sample, photo interpretation and resolution.terminatorCharacter, or character string, or field, or record used to signal the end of a record, or section, or volume ordatabase.tileA unit of map used to divide large areas into regular and more manageable sizes.TIFFTIFF is a tagged image file format-based file format for storing and interchanging raster images with the mostrecent version (6.0) published in 1992.transfer formatThe format used to transfer data between computer systems. In general usage this can refer not only to theorganisation of data but also to the associated information, such as attribute codes, which are required inorder to successfully complete the transfer.transfer mediumThe physical medium on which digital data is transferred from one computer system to another. For example,compact disc.UNIX ®An operating system that supports multitasking and is used by many workstations and mini computers.updateThe process of adding to and revising existing digital map data to take account of change.volumeA physical unit of the transfer medium such as a single disk or a single DVD.1:50 000 Scale Colour Raster and Gazetteer technical specification annexe A v2.0.1 – 01/2008 © Crown copyright Page 28 of 33
Annexe B1:50 000 Scale Gazetteer county code listA full list of all the county codes in fields 12 (CO_CODE), 13 (COUNTY) and 14 (FULL_COUNTY) is below:CO_CODE COUNTY FULL_COUNTYAB Aberd AberdeenshireAG Angus AngusAN C of Aber Aberdeen CityAR Arg & Bt Argyll and ButeBA Brad BradfordBB Black w Dar Blackburn with DarwenBC Brackn Bracknell ForestBD Bark & Dag Barking & DagenhamBE Brig BridgendBF Beds BedfordshireBG Blae Gw Blaenau GwentBH C of Bri & Hov City of Brighton and HoveBI Birm BirminghamBL Barns BarnsleyBM Bucks BuckinghamshireBN Barnet BarnetBO Bolton BoltonBP Blackp BlackpoolBR Brom BromleyBS Bath & NE Somer Bath and North East SomersetBT Brent BrentBU Bourne BournemouthBX Bexley BexleyBY Bury BuryBZ C of Bris City of BristolCA Cald CalderdaleCB Cambs CambridgeshireCD Card CardiffCE Cered CeredigionCF Caer CaerphillyCH Ches CheshireCL Clackm ClackmannanshireCM Camden CamdenCN Corn CornwallCT Carm CarmarthenshireCU Cumbr CumbriaCV Cov CoventryCW Conwy ConwyCY Croy CroydonDB C of Derb City of DerbyDD C of Dun Dundee CityDE Denb DenbighshireDG D & G Dumfries and GallowayDL Darl DarlingtonDN Devon DevonDR Donc DoncasterDT Dorset DorsetDU Durham DurhamDY Derby Derbyshire1:50 000 Scale Colour Raster and Gazetteer technical specification annexe B v2.0.1 – 01/2008 © Crown copyright Page 29 of 33
Page 2 and 3: 1:50 000 Scale Colour Raster and Ga
Page 4 and 5: No part of this guide may be reprod
Page 6 and 7: 1:50 000 Scale Gazetteer has the fo
Page 8 and 9: Each record contains the informatio
Page 10 and 11: Chapter 4Formats1:50 000 Scale Colo
Page 12 and 13: Chapter 6GeoreferencingTo be able t
Page 14 and 15: Annexe AProduct and service perform
Page 16 and 17: IntroductionPurpose of this specifi
Page 18 and 19: Chapter 2Legend1:50 000 Scale Colou
Page 20 and 21: 1:50 000 Scale Colour Raster and Ga
Page 22 and 23: Chapter 3GeoreferencingA definition
Page 24 and 25: TIFFColour image directory (TIFF)Ta
Page 26 and 27: data structureThe defined logical a
Page 30 and 31: CO_CODE COUNTY FULL_COUNTYDZ Dudley
Page 32 and 33: CO_CODE COUNTY FULL_COUNTYSH Shrops

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