Mapping A Disaster
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Mapping A Disaster

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Mapping A Disaster Anthony Baxter Google during MSC Malaysia Open Source Conference 2009 Monday 1 June 2009

Mapping A Disaster Anthony Baxter Google during MSC Malaysia Open Source Conference 2009 Monday 1 June 2009

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  • MSC Malaysia Open Source 2009

    http://www.mscmalaysia.my/opensource

    http://www.facebook.com/pages/Kuala-Lumpur-Malaysia/MSC-Malaysia-Open-Source-Conference-2009/97810422651

    Open Source Developers Club Malaysia OSDC.my

    http://www.osdc.my/

    OSDC.my Mailing List

    http://groups.google.com/group/osdcmy-list

    MSC Malaysia Open Source Conference 2009 slides at slideshare.com

    http://www.slideshare.net/tag/mscosconf

    Youtube Video Clips MSC Malaysia Open Source Conference 2009

    http://www.youtube.com/watch?v=JErEKoptFsU

    Cyber Merdeka Cyber Sovereignity By Azrul Hasni Madisa

    http://mscoscon.blogspot.com/2009/06/cyber-merdeka-cyber-sovereignity-by.html
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Mapping A Disaster Mapping A Disaster Presentation Transcript

  • Mapping a Disaster Anthony Baxter, Google arb@google.com
  • February 7, 2009 Worst fires in Australian history
  • 173 dead
  • horrific conditions 46.4C !
  • fires started sat 7 feb
  • fires started sat 7 feb still danger a week+ later
  • fires started sat 7 feb still danger a week+ later some fires burned a month
  • 4,500 km 2 of land burned
  • many fires, across the state
  • up to date information
  • ABC radio government broadcaster official emergency response network 24/7 radio coverage
  • official sources
  • official sources Country Fire Authority: private lands www.cfa.vic.gov.au
  • official sources Country Fire Authority: private lands www.cfa.vic.gov.au Dept of Sustainability and Environment: public lands www.dse.vic.gov.au
  • problem #1
  • problem #1 server load 500 Server Error
  • problem #2
  • problem #2 locating these places
  • my brother lives here
  • friend lives my brother here lives here
  • friendʼs elderly parents here friend lives my brother here lives here
  • but where are the fires?
  • who needs to know?
  • who needs to know? people in danger
  • who needs to know? people in danger friends and family
  • who needs to know? people in danger friends and family people following the news
  • sunday morning
  • sunday morning started thinking we should do something
  • sunday morning started thinking we should do something
  • version one scrape CFA RSS geocode locations publish as a flash map
  • mapvisage.appspot.com
  • 6 hours initial development
  • 6 hours initial development (2 hours of that on flash/IE debugging)
  • version two automate geocoding georss.org google maps API auto-refresh the map search, links to relief agencies
  • <georss:point> 143.74774 -37.52654 </georss:point> <georss:featuretypetag> point </georss:featuretypetag>
  • slight issue
  • slight issue Fire service data not always clean
  • slight issue Fire service data not always clean “5KM SE WARBUTON TRK”
  • step three
  • step three satellite imagery
  • step three satellite imagery
  • NASA MODIS
  • NASA MODIS TERRA and AQUA
  • NASA MODIS TERRA and AQUA 250m resolution
  • NASA MODIS TERRA and AQUA 250m resolution daily coverage
  • NASA MODIS TERRA and AQUA 250m resolution daily coverage IR detectors
  • NASA MODIS TERRA and AQUA 250m resolution daily coverage IR detectors rapidfire.sci.gsfc.nasa.gov
  • polar orbit
  • polar orbit online within a few hours
  • serving the images
  • serving the images geotiff images
  • serving the images geotiff images standard format for map tiles
  • serving the images geotiff images standard format for map tiles standard file names
  • serving the images geotiff images stitch them together standard format for map tiles standard file names
  • problem
  • Googleʼs map tile pipeline not suited to smaller jobs
  • Googleʼs map tile pipeline not suited to smaller jobs or repeated, fast turnaround jobs
  • maptiler
  • maptiler gdal2tiles (summer of code)
  • maptiler gdal2tiles (summer of code) geotiff ⇓ tile images
  • appengine not currently good at lots of files
  • appengine not currently good at lots of files serve from zip files
  • appengine not currently good at lots of files serve from zip files 6 zoom levels ~1000 images
  • HTTP Expiry Headers
  • HTTP Expiry Headers Google Front Ends
  • HTTP Expiry Headers Google Front Ends Image tiles cached
  • HTTP Expiry Headers Google Front Ends Image tiles cached code open sourced “mapvisage” on google code
  • HTTP Expiry Headers Google Front Ends Image tiles cached code open sourced “mapvisage” on google code warning: code not the prettiest
  • Automated tile generation
  • Automated tile generation mostly
  • Automated tile generation mostly stupid clouds
  • made map embeddable
  • made map embeddable news sites
  • made map embeddable news sites blog posts
  • made map embeddable news sites blog posts homepage promo
  • made map embeddable news sites blog posts homepage promo peak: 8M map views/day sustained: 60 hits/sec
  • benefits
  • benefits reassurance for the worried
  • benefits reassurance for the worried better understanding of the fire scale
  • benefits reassurance for the worried better understanding of the fire scale took load off fire service websites
  • lesson enable people to reuse your data
  • geocoded RSS ➙ maps = map of family/friends
  • going forward
  • geocoded RSS
  • geocoded RSS
  • geocoded RSS more please
  • more than fires
  • geo spatial information conveys vital information
  • disasters
  • disasters alerts
  • disasters alerts evacuations
  • loss of control?
  • loss of control? something that frightens agencies
  • loss of control? something that frightens agencies donʼt be scared ☺
  • create clear license
  • create clear license lay out terms for re-use
  • for instance
  • for instance attribution
  • for instance attribution links
  • for instance attribution links timeliness
  • for instance attribution links timeliness
  • structure
  • structure RSS/Atom are obvious choices
  • structure RSS/Atom are obvious choices think: how can I expose this data as RSS?
  • RSS/Atom
  • RSS/Atom browsers/readers
  • RSS/Atom browsers/readers services to forward to SMS
  • structure
  • structure attach times to data
  • structure attach times to data attach locations to data
  • structure attach times to data attach locations to data donʼt make people guess
  • structure attach times to data attach locations to data donʼt make people guess use georss
  • you arenʼt the only one who can find a use for your data
  • open data
  • open data especially when lives may depend on it
  • you can make a difference