Real-time Tracking and Mapping of Geographic Objects by Ragi Burhum

Transcript

1. Real-time Tracking and Mapping
   of Geographic Objects
   Ragi Burhum
   @rburhum
   ragi@amigocloud.com
   

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2. AmigoCloud
   We Synchronize Map Data
   -
   offline/online
   -
   edit
   

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3. If you have tried this
   before, this may
   seem familiar…
   

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4. Licensing Issues
   -
   Password-protected Site
   -
   Asset Tracking or similar
   -
   Map Data Provider’s (Navteq, TomTom/TeleAtlas,
   etc) Business Model
   

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6. Most People See This
   

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9. Examples of Free/Open Datasets
   Out There
   

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10. OpenStreetMap
    

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11. NAIP
    

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12. SRTM
    

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13. Natural Earth Data
    

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14. Map Renderers
    (Mapnik, MapServer, GeoServer)
    +
    Style
    File
    

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16. Client-side Map JS Library
    

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17. “Normal” GeoStack
    Nginx
    Gunicorn (Django)
    TileStache
    Memcached
    Mapnik
    PostgreSQL/PostGIS
    Data Storage
    Web / Mobile
    Client (OpenLayers)
    Varnish (80)
    

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18. https://gist.github.com/RBURHUM/4559323
    

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19. http://tilestache.org/doc/
    

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21. A good real-time
    tracking solution
    requires a stateful
    connection
    

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22. Polling is BAD
    

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23. Server-Side Events
    Instead of having [N] clients polling every [X] time
    interval, how about the server notifying you
    

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25. Publisher/Subscriber Queue
    One of the queues
    (RabbitMQ, Redis, etc)
    M3 M2 M1
    M4
    Publisher
    Subscriber
    Subscriber
    Subscriber
    

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26. Celery is awesome!
    from tasks import myCustomTask
    myCustomTask.do_work(my_data)
    myCustomTask.do_work.delay(my_data)
    

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27. “Normal” GeoStack
    Nginx
    Gunicorn (Django)
    TileStache
    Memcached
    Mapnik
    PostgreSQL/PostGIS
    Data Storage
    Web / Mobile
    Client (OpenLayers)
    Varnish (80)
    

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28. “Real-time” GeoStack
    Nginx
    Gunicorn (Django)
    TileStache
    Memcached
    Mapnik
    PostgreSQL/PostGIS
    Data Storage
    Web / Mobile
    Client (OpenLayers,
    Socket IO)
    Varnish (80)
    Celery with RabbitMQ
    Node.js with Socket IO
    

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29. Demo
    http://abuse.amigocloud.com
    

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31. Ragi Burhum
    @rburhum
    ragi@amigocloud.co
    m
    If you are in the Bay Area and like Geo:
    http://www.meetup.com/geomeetup
    

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