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Heterogeneous Map Mashing

A session at 45th Annual Society of Cartographers Summer School

  • Bill Chadwick

Tuesday 8th September, 2009

12:00pm to 12:00pm (GMT)

The OS OpenSpace + Google Maps mashup 'Where's The Path' has proved popular with a wide range of users: Hikers, Bikers, 4x4 Drivers, Dog Walkers, Bird Watchers, Ancient Tree spotters, Derelict Building Spotters, Metal Dectorists and more.

This is perhaps partly because of the provision of free OS mapping but also because of the intuitive and compelling way in which OS Maps and Google aerial imagery are presented side by side. The twin map display uses coupled panning and mousepointers to enable the easy identification of map features on the imagery and vice versa, despite the imagery and map being displayed with different scales and projections.

Another benefit is that the map and imagery do one obscure one another as they do using a simple overlay. The presentation will demonstrate the operation of Where's The Path and cover its internal workings including the use of REST/JSON services for terrain profile lookup and the client side thinning of uploaded GPS Track Logs etc. Finally, the talk will also introduce the use of various 'Cloud' data services for the storage of collaborative web GIS data.

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Bill Chadwick

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When

Time 12:00pm12:00pm GMT

Date Tue 8th September 2009

Short URL

lanyrd.com/scrrmd

Official event site

www.soc.org.uk/…am.htm

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