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Digimap Aerial Collection - Geoforum 2016 - Ian Holmes

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A presentation highlighting how Getmapping's Aerial Imagery will be incorporated into the Digimap Service. The presentation was given at Geoforum 2016 at the Institute of Geography, University of Edinburgh.

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Digimap Aerial Collection - Geoforum 2016 - Ian Holmes

  1. 1. Introducing the Digimap Aerial Collection Ian Holmes EDINA
  2. 2. Data • New venture with Getmapping • 25cm resolution vertical aerial photography – most detailed national coverage available • Annual updates • 243,869 1km tiles, JPEG format, 1.7TB
  3. 3. Data currency
  4. 4. Data currency
  5. 5. Aerial Roam
  6. 6. Aerial Roam • Top three zoom levels show OS Open Data • Get Feature Information tool displays date image was taken • Backdrop mapping visible using opacity slider • Road/Place Name overlay available in the Overlays menu • Standard functionality: – import/export annotations – open/save map – annotation and measurement tools
  7. 7. Mosaic – hard edges
  8. 8. Mosaic – following features
  9. 9. Printing • Max paper size A3 • Max print scale: 1:175,000 • A3 print at 1:175,000 opens 2600 1km images
  10. 10. Aerial Download
  11. 11. Aerial download • 100km2 download limit, ~700MB download size – Can take multiple orders • Download latest data only, in future Aerial Download will be able to handle older versions
  12. 12. Using the data in ArcGIS Pro • OS MasterMap Building Height Attribute • 25cm aerial imagery • VectorMap Local Raster • OS Terrain 5
  13. 13. Access • Institution subscription • Individual users need to register Come and talk to us!

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