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 Presentation Transcript

  • 1. Mapping a Disaster Anthony Baxter, Google arb@google.com
  • 2. February 7, 2009 Worst fires in Australian history
  • 3. 173 dead
  • 4. horrific conditions 46.4C !
  • 5. fires started sat 7 feb
  • 6. fires started sat 7 feb still danger a week+ later
  • 7. fires started sat 7 feb still danger a week+ later some fires burned a month
  • 8. 4,500 km 2 of land burned
  • 9. many fires, across the state
  • 10. up to date information
  • 11. ABC radio government broadcaster official emergency response network 24/7 radio coverage
  • 12. official sources
  • 13. official sources Country Fire Authority: private lands www.cfa.vic.gov.au
  • 14. official sources Country Fire Authority: private lands www.cfa.vic.gov.au Dept of Sustainability and Environment: public lands www.dse.vic.gov.au
  • 15. problem #1
  • 16. problem #1 server load 500 Server Error
  • 17. problem #2
  • 18. problem #2 locating these places
  • 19. my brother lives here
  • 20. friend lives my brother here lives here
  • 21. friendʼs elderly parents here friend lives my brother here lives here
  • 22. but where are the fires?
  • 23. who needs to know?
  • 24. who needs to know? people in danger
  • 25. who needs to know? people in danger friends and family
  • 26. who needs to know? people in danger friends and family people following the news
  • 27. sunday morning
  • 28. sunday morning started thinking we should do something
  • 29. sunday morning started thinking we should do something
  • 30. version one scrape CFA RSS geocode locations publish as a flash map
  • 31. mapvisage.appspot.com
  • 32. 6 hours initial development
  • 33. 6 hours initial development (2 hours of that on flash/IE debugging)
  • 34. version two automate geocoding georss.org google maps API auto-refresh the map search, links to relief agencies
  • 35. <georss:point> 143.74774 -37.52654 </georss:point> <georss:featuretypetag> point </georss:featuretypetag>
  • 36. slight issue
  • 37. slight issue Fire service data not always clean
  • 38. slight issue Fire service data not always clean “5KM SE WARBUTON TRK”
  • 39. step three
  • 40. step three satellite imagery
  • 41. step three satellite imagery
  • 42. NASA MODIS
  • 43. NASA MODIS TERRA and AQUA
  • 44. NASA MODIS TERRA and AQUA 250m resolution
  • 45. NASA MODIS TERRA and AQUA 250m resolution daily coverage
  • 46. NASA MODIS TERRA and AQUA 250m resolution daily coverage IR detectors
  • 47. NASA MODIS TERRA and AQUA 250m resolution daily coverage IR detectors rapidfire.sci.gsfc.nasa.gov
  • 48. polar orbit
  • 49. polar orbit online within a few hours
  • 50. serving the images
  • 51. serving the images geotiff images
  • 52. serving the images geotiff images standard format for map tiles
  • 53. serving the images geotiff images standard format for map tiles standard file names
  • 54. serving the images geotiff images stitch them together standard format for map tiles standard file names
  • 55. problem
  • 56. Googleʼs map tile pipeline not suited to smaller jobs
  • 57. Googleʼs map tile pipeline not suited to smaller jobs or repeated, fast turnaround jobs
  • 58. maptiler
  • 59. maptiler gdal2tiles (summer of code)
  • 60. maptiler gdal2tiles (summer of code) geotiff ⇓ tile images
  • 61. appengine not currently good at lots of files
  • 62. appengine not currently good at lots of files serve from zip files
  • 63. appengine not currently good at lots of files serve from zip files 6 zoom levels ~1000 images
  • 64. HTTP Expiry Headers
  • 65. HTTP Expiry Headers Google Front Ends
  • 66. HTTP Expiry Headers Google Front Ends Image tiles cached
  • 67. HTTP Expiry Headers Google Front Ends Image tiles cached code open sourced “mapvisage” on google code
  • 68. HTTP Expiry Headers Google Front Ends Image tiles cached code open sourced “mapvisage” on google code warning: code not the prettiest
  • 69. Automated tile generation
  • 70. Automated tile generation mostly
  • 71. Automated tile generation mostly stupid clouds
  • 72. made map embeddable
  • 73. made map embeddable news sites
  • 74. made map embeddable news sites blog posts
  • 75. made map embeddable news sites blog posts homepage promo
  • 76. made map embeddable news sites blog posts homepage promo peak: 8M map views/day sustained: 60 hits/sec
  • 77. benefits
  • 78. benefits reassurance for the worried
  • 79. benefits reassurance for the worried better understanding of the fire scale
  • 80. benefits reassurance for the worried better understanding of the fire scale took load off fire service websites
  • 81. lesson enable people to reuse your data
  • 82. geocoded RSS ➙ maps = map of family/friends
  • 83. going forward
  • 84. geocoded RSS
  • 85. geocoded RSS
  • 86. geocoded RSS more please
  • 87. more than fires
  • 88. geo spatial information conveys vital information
  • 89. disasters
  • 90. disasters alerts
  • 91. disasters alerts evacuations
  • 92. loss of control?
  • 93. loss of control? something that frightens agencies
  • 94. loss of control? something that frightens agencies donʼt be scared ☺
  • 95. create clear license
  • 96. create clear license lay out terms for re-use
  • 97. for instance
  • 98. for instance attribution
  • 99. for instance attribution links
  • 100. for instance attribution links timeliness
  • 101. for instance attribution links timeliness
  • 102. structure
  • 103. structure RSS/Atom are obvious choices
  • 104. structure RSS/Atom are obvious choices think: how can I expose this data as RSS?
  • 105. RSS/Atom
  • 106. RSS/Atom browsers/readers
  • 107. RSS/Atom browsers/readers services to forward to SMS
  • 108. structure
  • 109. structure attach times to data
  • 110. structure attach times to data attach locations to data
  • 111. structure attach times to data attach locations to data donʼt make people guess
  • 112. structure attach times to data attach locations to data donʼt make people guess use georss
  • 113. you arenʼt the only one who can find a use for your data
  • 114. open data
  • 115. open data especially when lives may depend on it
  • 116. you can make a difference