Mapping A Disaster

1,643 views
1,528 views

Published on

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

Published in: Technology, News & Politics
1 Comment
2 Likes
Statistics
Notes
  • 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
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
No Downloads
Views
Total views
1,643
On SlideShare
0
From Embeds
0
Number of Embeds
4
Actions
Shares
0
Downloads
27
Comments
1
Likes
2
Embeds 0
No embeds

No notes for slide

Mapping A Disaster

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

×