Safe Twitter Demo
7
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL 2105 Laurel Bush Rd. Bel Air, MD 21015 443-640-1075 www.nsgic.org FME –Twitter Demo #nsgicmidyear Learon Dalby NSGIC 2010 Midyear March 7-10, 2010
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Part of a presentation to be given at NSGIC 2010 Midyear
Transcript of Safe Twitter Demo
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
2105 Laurel Bush Rd. Bel Air, MD 21015 443-640-1075 www.nsgic.org
FME –Twitter Demo#nsgicmidyear
Learon Dalby
NSGIC 2010 Midyear
March 7-10, 2010
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
• Twitter is the source data, Transformed by FME Server and loaded into Google Maps/Earth via KML.
http://fmeserver.com/nsgicmidyear/
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
Source Data Data Streamed to a web client via KML
Spatial ETL process authored in FME
1. Source data is read by FME Server
2. Data is Transformed by FME Server
3. Data is streamed to Google Clients
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
Few details
• Tweets are stored in a database
– Allows for future analysis
• Tweets are time stamped
– Allows for ‘replaying’ the event
• Tweets are displayed based on
lat/long or place in profile
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
Few details
• New tweets are searched for and archived in the database every 30 seconds.
• The KML Network Link in Google Earth is set to request the tweets from the database every 10 seconds.
• The Google Maps embedded and external map show a staticsnapshot of the tweets and the page must be refreshed to request newer tweets from the database.
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
http://fmeserver.com/nsgicmidyear/
NATIONAL STATES GEOGRAPHIC INFORMATION COUNCIL
Contact Info
Twitter: @LearonDalby
Email: [email protected]
Slideshare: http://www.slideshare.net/learondalby
