Digimap Aerial Collection - Geoforum 2016 - Ian Holmes
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Transcript of Digimap Aerial Collection - Geoforum 2016 - Ian Holmes
Introducing the Digimap Aerial Collection
Ian HolmesEDINA
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
Data currency
Data currency
Aerial Roam
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
Mosaic – hard edges
Mosaic – following features
Printing
• Max paper size A3• Max print scale: 1:175,000• A3 print at 1:175,000 opens 2600 1km images
Aerial Download
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
Using the data in ArcGIS Pro
• OS MasterMap Building Height Attribute
• 25cm aerial imagery• VectorMap Local Raster• OS Terrain 5
Access
• Institution subscription• Individual users need to register
Come and talk to us!