Digimap Collections
Institution/course name
Date
Trainers
Content• Ordnance Survey Roam• Ancient Roam• Geology Roam• Data Download• Copyright• Resources
Learning outcomesBy the end of today you will be able to:
• View, annotate, print and save maps from Digimap Collections
• Download map data to use in GIS • View map data in ArcGIS
• Advise users:• On copyright• On available map data in
Digimap Collections
Aims
Important stuff
• Housekeeping• Materials• Logging in• http://digimap.edina.ac.uk• Saving and downloading
• Large range of Ordnance Survey maps, frequently updated
• Roam: view, annotate, print, save maps
• Data Download: download map data and use in GIS/CAD
Roam exercise 1 – search, map content, basemaps
• Recreate the paper map• Get the info. requested
• Read the TIPS on your instructions!
• Check Quick Guide in red section of booklet
Roam exercise 2 – annotate, save, print
• Recreate the paper map – Add annotations
• Save your map• Create a print file
• Need to open a file? Go to the Roam folder on your memory stick
• Historic OS maps from 1830s to 1990s.
• Digitised by Landmark.• Range of scales, from
county to very detailed town plans.
• Ancient Roam: view by decade.
• Historic Download: download original map sheets or tiles referenced to National Grid.
Ancient Roam exercise
1. Spot the difference – find at least 3 functions unique to Ancient Roam
2. Make some maps (see reverse of sheet)
If you have time…try and open some maps that you saved in Roam. You can view annotations in every Roam service.
• British Geological Survey digital maps
• Geology Roam - 3 DigMapGB maps, 1:625000, 1:250000, 1:50000.
• Geology Download – DigMapGB maps, plus Offshore map data, Borehole index and Rock Lexicon.
Geology Roam exercise
1. Spot the difference – find at least 3 functions unique to Geology Roam
2. Make some maps (see reverse of sheet)
2 types of Marine maps:1. Scanned admiralty
charts (not for navigation!)
• Marine Maps (pictured)
• Charted Raster download
2 types of Marine maps:2. Hydrospatial
Vector map data
• Marine Roam (pictured)
• Hydrospatial Download
• Download map data to your computer, for your area of interest• 5 categories of map data• Use map data in GIS/CAD software to create maps
What is map data?
Any data with geographic coordinates – 2 main types:
• Raster maps – scanned maps, satellite images, digital aerial photographs
• Vector data:– Annotations that you add to Roam– Points, such as a Spreadsheet of
local colleges with their locations– Lines, such as contour lines, county
boundary lines, roads, train lines– Polygons, such as buildings or fields
Colleges example
Raster v Vector map data
• Raster map data is a matrix of cells (or pixels) in a grid:– scanned maps, digital aerial
photographs, satellite images, digital pictures.
– geo-referenced, geographic coordinates of the location added.
– useful as background for displaying other data
• Vector map data stores data on individual map features e.g.– Points such as train stations– Lines such as railway tracks and
rivers– Polygons such as buildings or fields
• We can view, query and analyse vector map data.
Vector map data
Vector geometry types - points
Vector geometry types - lines
Vector geometry types - polygons
Vector data attribute table
• A raster dataset will typically store only 1 piece of information per pixel such as colour or height
• A vector dataset will typically store many different types of information in something known as an attribute table.
Why download map data?
More powerful and flexible than Roam – just a few possibilities from many:• Combine Digimap map data with data collected in field, or
other geospatial datasets e.g. from Met Office, environment agencies etc.
• Create buffers• Use raster map as background for other data• View and query attribute data from vector maps • Create a thematic map
The Economic and Social Status of Romano-British Rural Villas in Southern England
• Combine Digimap data with your own data.
Here, the author has added the location of Roman Villas to a contour map of the project area.
J Dicks, PhD Archaeology, 2011, Southampton University.
Anthropogenic influences on the water vole Arvicola terrestris – do proximity to urban settlements or naturalness of water
bodies influence habitat preference?
• Create buffer zones
This author has created buffers outside urban settlements, to analyse whether proximity to urban areas affected the habitat preference of water voles.
T Hayer, undergraduate research project, 2007, Hull University.
Green Infrastructure Study of Cheltenham and Gloucester
• Analyse land use from vector data
This author used vector data, height data and historic data to analyse land use and produce a landscape strategy.
David Green, Postgraduate research, Landscape Architecture, 2011, Birmingham Institute of Art and Design
East is East and West is West, Class Division in the Sheffield Landscape
• Use raster map to display your data
This author has used his colour coding system for housing types on a raster Historic Map, to try and identify reasons for ongoing ‘social divide’ between east and west areas of the city.
Peter Brown, Sheffield Univ, Undergraduate dissertation, 2011.
• Create a thematic map
Shaded Glasgow postcode sectors (2001) according to their level of deprivation (2001 census data).
Digimap training exercise
Query attribute data• We can query
the attribute tables provided with vector map data.
• Here, we have queried some Newcastle postcode data to identify all postcodes beginning with NE1.
Query attribute data• This is an attribute table
from Vector Map District data…the roads layer.
• We have queried what roads lie within a postcode sector, NE1.
• 693 roads are identified.• Next, we could query
how many private roads lie within the postcodes beginning with NE1.
• Download map data to your computer, for your area of interest• 5 categories of map data• Use map data in GIS/CAD software to create maps
1. OS MasterMap (vector data)
• Most detailed topographic mapping available of GB.
• ITN data used to analyse transport networks.
• Pictured: OS MasterMap Topography.
2. Backdrop Mapping
• 9 raster maps available, from largest (MasterMap) to smallest scale.
• Pictured: OS Street View.
3. Land and Height data
• Maps of contours, spot heights and Digital Terrain Models.
• Pictured: Profile DTM, London. Place names to illustrate higher areas are lighter colours.
4. Vector data
• 5 vector maps available.• Formats vary – check
options in Basket.• Pictured: Vector Map
Local, Royal Albert Hall.
5. Boundary and Location data
• Administrative boundaries, postcode listings and boundaries, place name and street name databases.
• Formats vary, check options in Basket.
• Pictured: Code Point Polygons on raster backdrop.
Finding out about maps
• Click icons to get info. about each map
• You can also look on the OS website:
http://www.ordnancesurvey.co.uk/oswebsite/products/index.html
Using Data Download
3 step process:1. Select area2. Choose maps3. Add to basket
– Options to change format, date and layers
Case study exercise• Work in pairs/groups• 4 case studies• Start Ordnance Survey >
Data Download• Start with Amy • Order the map data
products for each case study.
• Click on the information icons for more details of each map data product.
1. Select from 3 categories: Town Plans, County maps or National Grid maps
2. Select map edition e.g. 1st edition of County maps 1849-1899
3. Search for area4. Select tiles on the
map5. Name your order6. Order7. Download from link
in email
• Order process same as Data Download
• Onshore Geology - 3 geological map data products
• Offshore Geology – 1:250000 map data
• Rock Information:– Onshore borehole
index– Rock Lexicon
• Select from 8 different layers of Hydrospatial data
• Search• Select area from
map• Download
• Search• Select scale
band e.g. coastal maps, harbour maps
• Select maps from a map
• Download
GIS Issues - vector data formats
Format Details
SHP Shape file, ArcGIS format
MIF/MID MapInfo format
NTF National Transfer format, non-proprietary
GML Geography Markup Language
DXF/DWG Drawing Exchange or Drawing format, AutoCAD
GIS issues – OS MasterMap data
• Provided as GML (exploring provision of alternatives) – need to convert to use in GIS or CAD:
• Free tool to convert from GML to SHP or DXF:– http
://misoportal.com/data/interpose-for-digimap/
• Productivity Suite (free with ArcGIS licence) will put your GML data in an Arc Geodatabase:– http://www.esriuk.com/software/arcgis
/productivitysuite/download#
• Guides available in the Learning Zone.• Help pages have lots of information.
GIS issues - symbology
• Add vector map data to GIS – lacks cartography you see in Digimap.
• EDINA supplies some files in Help pages – Strategi, Meridian
• OS MasterMap: Interpose supplies a style file, Productivity Suite supply style file.
• Guides available in the Learning Zone.• Help pages have lots of information.
Pictured: OS MasterMap with and without OS cartographic style
Permitted UsesSummarised as for Educational Purposes:• Teaching, academic research, limited internal business use
– Includes institutional publicity– Public lectures– Conference demonstrations– Private study/personal development including student societies
work– Teaching practice (B.Ed. PGCE etc)
Excludes:– Institutional estate management– Running the institution as a business– Courses for commercial gain
Publication
• You can publish Licensed Data and materials which contain Licensed Data
• Subject to some restrictions which are detailed in the Licence
• Includes various publications
• Copyright acknowledgement required:
‘© Crown Copyright and Database Right [Year of supply or date of publication].Ordnance Survey (Digimap Licence)’
– Copyright acknowledgement is included on all maps printed from Digimap Collections.
– Remember to include copyright acknowledgement if you download data from Digimap and create maps!
Principles of Licensing• The Licensed Data is leased to you• You do not own it• You may not use the data if:– your institution ceases to subscribe– you cease to be an Authorised User
• You have responsibilities to care for the data• There are limitations on what you are permitted to do with
the data
Sharing Licensed Data• You may only share Licensed Data with:
– other Authorised Users– Public Sector Mapping Agreement (PSMA) members– One Scotland Mapping Agreement (OSMA) members– Sponsors who have their own licence for the same data (type and
coverage)
• Sponsored research:– Results must be published widely and immediately– Hard copy plots can be supplied to sponsors– DATA cannot be supplied to sponsors– Excludes Research Council funded research centres with their own
Ordnance Survey licence e.g.: Institute of HydrologyBritish Geological Survey
Support with copyright
• Lists of Frequently Asked Questions:http://
digimap.edina.ac.uk/webhelp/digimapsupport/access/licence_agreements.htm
• Your site representative:http://
digimap.edina.ac.uk/webhelp/digimapsupport/service_info/site_rep_list.htm
• EDINA Help Desk:[email protected] 650 3302
Resources• Digimap Resource
centre – access help pages, guides, FAQs, videos, case studies and more.
• Resources list in blue section of your booklet
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