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Mapping A Disaster
 

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

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    OSDC.my Mailing List

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    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