Geo-data activities at EDINA Introduction Dr David Medyckyj-Scott Research and Geo-data Services Manager Digimap Project Manager Dr Hugh Buchanan User Support Co-ordinator.
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Geo-data activities at EDINA Introduction Dr David Medyckyj-Scott Research and Geo-data Services Manager Digimap Project Manager Dr Hugh Buchanan User Support Co-ordinator providing national online services for the UK tertiary education and research community EDINA geo-data strategy • content development – core directly referenced UK geography today and past – non-UK core geographies – environmental data for UK • responding to users' needs in research and teaching • centre of geo-spatial web delivery expertise • contribute to development of DNER – finding aids – inter (co)-operating services – development through partnership of teaching resources • contribute to ‘joined up geography’ in national context EDINA geo-data services EDINA Digimap UKBORDERS UK Agricultural and Horticultural Censuses Future developments - content • Aerial photography – Cities Revealed data from GeoInformation Group • OS Historical County Series maps – raster images from OS/Landmark Information Group • CHEST OS sample data sets Future developments - projects • E-Lib Digimap.Plus project – survey of digital map data needs – changing landscape • A geo-data browser for the UK HE community (JISC 5/99 funded) – scoping study into the requirements of a geo-data portal and Z39.50 compliant geo-data browser • Geo-crosswalk (JISC 5/99 funded) – a feasibility study into a British and Irish Gazetteer service • MapScholar - Digimap New Tools (JISC 5/99 funded) – enhancing the DNER for learning and teaching – case studies, learning tools, ‘virtual placements’ What is geo-spatial data? • data which has a direct reference to its position on the surface of the earth • either latitude / longitude • or grid coordinates • or ….. • data is often textual Spatial reference Attributes Visualising geo-spatial data • spatial references can be used to draw a map from data Digimap • Digimap is a JISC-funded, web-based mapping service • created & hosted by EDINA with support & training jointly with MIMAS • access to Ordnance Survey map data via easy-to-use, mapbased interface: – creating maps on-screen – printing high quality maps – downloading map data Teaching and learning use • Geo-spatial issues – maps in use in all disciplines – mapping capability becoming more available in mainstream office software (e.g. Microsoft Excel, MapPoint) – specialist software • General issues – Web and IT skills – student-centred tool User Community Simple Browsers Java Applet (main) Digimap service + Digimap Carto • view / print fixed-scale maps • used by 100% of users • meets needs of 60% of users • for novice users / low support costs • customisable high quality mapping / printing • meets needs of 40% of users • for skilled users • data extraction - for GIS users (25% of users ) Digimap server OS Data OS data available through Digimap Land-Form Strategi® • 1:250,000 • national coverage PANORAMA™ • 1:50,000 • national coverage • contours and DTM Meridian™ Land-Line.Plus® • 1:50,000 • national coverage • 1:10,000 - 1:1,250 • 30% of national coverage 1: 50,000 Place-names Gazetteer - 250,000 place-names Annual Updates How we have made the data usable ... © Crown copyright. Ordnance Survey Digimap usage since January 2000 • simple mapping and data download service is available to all registered users. Advanced mapping service (Carto), is available only to Site Representatives at present. • 49 institutions subscribing • 2,700 registered users • 130,000 on-screen maps • 17,000 printable GIF maps • 9,000 EPS files for high quality printing • 41,000 tiles of data downloaded • 80+ help desk calls per month Users of Digimap Biotechnology Arts and and Biological Humanities Sciences 2% 7% Information Services 22% by category postgraduate 28% staff 38% undergraduate 34% Economic and Social Sciences 21% Other 2% Natural Environment 18% Medical 2% by subject Engineering and Physical Sciences 26% Some uses of OS data by Digimap users… Archaeology Architecture Astronomy Biological Science Civil Engineering Computer Science Earth Sciences Economics Electronics Geography History Law Mathematics Medicine Pharmacology Planning Zoology Location modelling of Bronze Age settlements Model making and urban planning Assessing topography for telescope location Vegetation ecology Locating hydrogen plant for fueling buses Research into graphics and visualisation Tectonics and landscape evolution Shopping vitality study Teaching position location using mobile radio Linking weather station and road accident data The feeding of Cromwell’s New Model Army Analysis of police recorded crime Modelling rainfall with topographical variables Pollution monitoring for Public Health Sciences Study of health inequalities Brown-field site regeneration study Mapping of water vole distributions Case studies on teaching use • Case study 1 – GIS for the Environment module – final year undergraduates – outputs: layouts, thematic map and GIS analysis exercise – Digimap used as data source • Case study 2 – Master's degree in History and Archaeology – data used for terrain analysis, cost surfaces, feature extraction Case studies on teaching use • Case study 3 – Ordnance Survey mapping project: objectives – learn about the OS in general (i.e. its goals, activities, products, customers) through web site and literature through use of the Digimap service to access OS products via computer. – 1st year undergraduate exercise • Case study 4 – Year 2 undergraduate course, Geology – maps and remote sensing – surface visualisation using Digital Terrain Models Support issues • supporting distributed and heterogeneous users – user self-help – service documentation – support from institutional staff • end-user training – available through Site Representatives – EDINA not resourced to run end-user training – subject centre orientation / awareness ?? Data development Ordnance Survey data • Meridian product being re-launched in January 2001 – improved specification – annual update cycle • OS sample data – currently available to academia through separate CHEST deal – wide range of products, small number of tiles – low-subscription access to this data only 1:50,000 raster Boundary-Line ADDRESS-POINT OSCAR Data development - changing landscape Ordnance Survey County Series • raster images from OS/Landmark Information Group (tiff, 300-dpi) • maps in five epochs [18431893, 1891-1912,1904-1939, 1919-1943, 1945 (superseded)] • available at scales of 1:2500 and 1:10,560, from the First Series through to the Fourth • based on Cassini Projections • Digimap Project has maps of Newcastle and Edinburgh • initially a stand alone web application, subsequently (March 2001) through EDINA Digimap Data development aerial photography • ‘Cities Revealed’ data from GeoInformation Group • covers major GB cities (19,000 km²) • full colour imagery, 25 cm resolution, photoscale 1:7,000 - 1:18,000 • Digimap has data for Glasgow, Newcastle and Reading • view imagery and create hardcopy prints for incorporation within research projects and non-commercial reports. • download it for use in a digital format within a GIS or mapping tool. • initially stand alone web application, subsequently (March 2001) through EDINA Digimap clients © The GeoInformation Group, Cities Revealed Large scale OS map superimposed on air photo UKBORDERS • • • • online database of UK digital boundary data data from 1840 to present census, postal, electoral, administrative data data downloading interface Using UKBORDERS • • • • • define area define type of boundary define time period select datasets that match criteria download data in various formats UKBORDERS in teaching • from recent HUSAT survey of UKBorders – – – – about 48% of users carry out teaching about half of these use UKBORDERS in teaching average class size 57 teaching objectives (n=24) • integration of geographic with other data (62%) • analysis of data (50%) • principles of data downloading (46%) – study style • working alone (46%) • work in class (37%) • work in teams (21%) Integrating UKBORDERS data with Digimap 2 to 8 21 6 100 to 106 30 1 3 Def 4 1 to 6 House LB 15.2m Hotel 789 42 23 10 PH 4 11 9 16 15 2 Ward Bdy 154 152 92 59 16 11 7 8 8 47 53 12 Und 9 6 90 9a 150 810 33 7 Def 86 18 16 15 34 3 12 10 7 Fn 2 23 82 50 7 1 PH 138 10 LB 80 11 5 LB 6 (a) 26 3 126 2 FB 3a 5 42 40 1 4 36 to 72 110 1 to 43 4 3 Railway 9 House 104 19 1 62 15 Bank 19 67 Def PH 1 to 10 431 Def 23 STREET 01AAFX02 9 01AAFX01 2 50 36 Playground 402 220 Und 110 7 115 WHITE Bank 4 1 to 9 25 63 (Disused) 5 14.4m 9459 60 FW 114 16 6 Warehouse 22 3 to 11 Def Bank 8 5 1 467Beaufort House 50 14.8m FW TCP House 16 to 20 2 15 6 61 01AAFB01 46 6 24 STONEY LANE 33 38 15 22 Und 37 to 41 Def 15.1m STONEY LANE PH Subway Subway 18 CR PO 19 25 18 Und Air 16 14 9 Car 01AAFX04 01AAFW01 40 PO Aldgate House 5 to 10 15 17c 33 2 7 22 to 30 PH 4 1 to 4 Subway 33 54 49 15.8m 16.1m (below) 15 9 33 62 24 01AAFX03 1 55 10 D FnPTP 73 1 Subway Und 34 32 20 76 11 13 Bankside House LITTLE 16 6 MITRE 1 77 Def 85 15 2 4 106 100 26 88 26 Def 1 8 34 80 78 3 37 49 50 16 This work is based on data provided with the support of the ESRC and JISC and uses boundary material which is copyright of the Crown and the ED-LINE Consortium. © Crown Copyright Ordnance Survey. An EDINA Digimap / JISC supplied service. Contacts EDINA Director: Peter Burnhill Email: [email protected] Research and Geo-Data Services Manager: Dr David Medyckyj-Scott Email: [email protected] User support co-ordinator: Dr Hugh Buchanan Email: [email protected] EDINA web site: http://edina.ac.uk Tel.: +44 (0)131 650 3302 Fax: +44 (0)131 650 3308