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Robert.Edgson@Bimapping.co.uk UK MAPPING WITH SSRS 2008 R2
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IN THE NEXT HOUR Start 9:30 UK Mapping with SSRS 2008 R2 Open Data Point Code Open Boundary line Spatial data types Creating corporate mapped data End 10:25 Q/A
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TO MAP UK DATA WE NEED Map outlines Administrative boundaries ( North East ; Yorkshire ; York) Address translation to latitude and longitude Post codes? Road names ? Towns? Sales data SSRS 2008 R2 Express ( and above) Other Countries www.gadm.org
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OPEN DATA Code-point Open (20mb csv) Postcodes, grid reference 1:50 000 Gazetteer(11mb csv) Towns and areas, grid reference OS Locator (35 MB text) Road names, grid reference Boundary Line (250mb ESRI) Local government Administrative boundaries ( ward, district, county..) Several others image based
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A simple Guide UK POST CODES
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POSTCODES CAN BE SPATIAL DATA
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YO 10 5 DD Area 184 District 3,000 Sector10,000 Unit1,600,000
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YO10 5DD UK. Postcodes are 7 characters long Inward code always last 3 characters Outward code 2 – 4 characters
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USERS LIKE THE SPACES SELECT TOP 10 LEFT(postcode,LEN(postcode)-3) +' ' + RIGHT(postcode,3) FROM dbo.PostcodesLatLong
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A Unique Key for 1- 100 Addresses
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OPENDATA Where can I find post code location data? http://www.ordnancesurvey.co.uk/oswebsite/products/code-point- open/index.html
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http://www.ordnancesurvey.co.uk/oswebsite/gps/ IS THE UNITED KINGDOM ROUND OR FLAT
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DEPENDS What defines round? What defines flat? Which one is Correct? Where do we Start from? What do we draw it on?
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OSGB36 ( NATIONAL GRID )
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IF THE EARTH IS NEITHER FLAT OR ROUND THEN IS IT A CUBE? http://www.puzl.co.uk/earth-cube-p-79.html
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ONE SIZE DOES NOT FIT ALL? Many standards SELECT * FROM sys.spatial_reference_systems
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SOME MYTHS* A point on the ground has a unique latitude and longitude A horizontal plane is a level surface The true coordinates of a ground point do not change There are exact mathematical formulae to change between coordinate systems * a guide to coordinate systems in Great Britain v1.9 Mar 2008 D00659 © Crown copyright Page 3 of 46
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PRECISION AND ACCURACY
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HELMERT TRANSFORMATION
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OS & QUEST FREEWARE
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REFERENCES http://www.naturalearthdata.com/ http://www.mathsisfun.com/accuracy-precision.html
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COPYRIGHT OS OpenData™ is covered by either Crown Copyright, Crown Database Right, or has been licensed to the Crown. Mapping : Contains Ordnance Survey data © Crown copyright and database right 2010 Where you use Code-Point® Open data, Contains Royal Mail data © Royal Mail copyright and database right 2010.
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But Which One? UK ADMINISTRATION BOUNDARIES
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ScotlandCouncil Areas Wales Unitary Authorities Northern Ireland Local Government Districts
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HTTP://WWW.STATISTICS.GOV.UK/GEOGRAPHY/ENGLAND.ASP England Govenment Office Regions North Yorkshire and Humberside East MidlandsEast Anglia..
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METROPOLITAN COUNTIES *
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HTTP://WWW.STATISTICS.GOV.UK/GEOGRAPHY/ENGLAND.ASP Government Office Region Greater London London Boroughs Counties Non- metropolitan districts Metropolitan Counties Metropolitan Districts Unitary Authorities
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SHAPE FILES Shape file ESRI standard Open data - Boundary line. Administrative boundaries Fwtools (free) Convert between SRID Shape2sql (free) Import shape files into sql
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Q&A Robert Edgson Robert.Edgson@bimapping.co.uk http://EdgsonRobert.wordpress.com
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