MS4 level being good citizen -imperative- (1) (1).pdf
Barcelona nls-maps-api-print
1. Opening historical maps for community mashups
- a case study of the
NLS Historical Maps API
KLOKAN TECHNOLOGIES - Museo 300
KLOKAN TECHNOLOGIES - Museo 500
KLOKAN TECHNOLOGIES - Museo 700
Petr Pridal <petr.pridal@klokantech.com>
Chris Fleet <c.fleet@nls.uk>
ICA DigiCartoHeritage, Barcelona, April 2012
2. Historical Maps API
• Target: promote the use of historical maps in
online mashups
• Encourage people to use the historical maps in
their own web and mobile applications
• New use cases and community usage
• Powerful publishing technology
• Released: April 2010: usage, impact
http://geo.nls.uk/maps/api/
5. <html>
Simple to use... JavaScript
• Copy&paste embedding in 3rd party websites
• with a zoom to a given place name
• with a zoom to given coordinates
• automatically detected position
• Examples for Google Maps API, OpenLayers,
Bing
• Open for iPhone / iPad / Android application
• OpenStreetMap community / geo geeks
• The “base map” for other NLS map applications
http://geo.nls.uk/maps/api/
6. MapTiler.org
Technology MapTiler.com
TileServer.com
• MapTiler (http://www.maptiler.com/)
• Rendering of a seamless maps from large number
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of GeoTiffs , complete UK coverage (street level)
KLOKAN TECHNOLOGIES - Museo 500 KLOKAN TECHNOLOGIES - Museo Sans 50
• Power of MultiCore CPUs / clusters / clouds
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• Unique and cheap publishing technology:
possible multiple servers with failover
• Available for other mapping projects / large
maps / aerial photos / virtual globes
7. Choice of Maps
Out of copyright / complete UK coverage.
1:1 million, Great Britain, 1933
Quarter-inch to the mile, Scotland, 1921-1923
Quarter-inch to the mile, England and Wales,
1919-1921
One-inch to the mile, Popular edition, Scotland,
1920-1930
One-inch to the mile, New Popular edition, England
and Wales, 1945-1947
8. Georeferencing
Used ArcGIS - followed workflow described at:
http://geo.nls.uk/urbhist/guides_georeferencingarcgis.html
9. Impact and statistics
• May 2010 to February 2011 (22 months) the API
has recorded:
• 841,000 visits - up to 1 million people!
• 1,462,000 page views
• Hundreds of web sites where maps appear
• Mobile applications created by 3rd parties
• Impact on new communities,
OpenStreetMap, ...
33. Future
• NLS support for API
• Usage logging for
large/commercial users
• Google Ads?
• New licensed /
subscription-based
historic layers?
34. Thank you!
http://geo.nls.uk/maps/api/
http://www.nls.uk/
http://www.klokantech.com/
Chris Fleet, National Library of Scotland, and Petr Pridal, Klokan Technologies GmbH