georabble govhack sydney intro
DESCRIPTION
As promised, here's the slidedeck from tonight's GovHack kickoff in Sydney. Enjoy!TRANSCRIPT
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Anybody Can Present
No Sales Pitches
Up to 10 mins
Use Any Medium
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Peter Bayley
Stewart Hay @OhMyDeity
Tim Leigh
Hugh Saalmans @minus34
@georabble
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More than Location
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Value of Understanding PlaceTobler’s 1st Law of Geography
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New Insights and Data Sources Eric Fischer: New York City by Geotagged Tweets
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New Insights and Data Sources Eric Fischer: New York City by Geotagged Tweets
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The Digital Divide Gregor Aisch – location of IP addresses vs population.
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The Cattle Drive Jack @ Small Multiples: shuttle bus routes targeting vulnerable
communities
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More than Pushpins20 min travel time Isochrones in Google Hotel Finder
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HipmunkRestaurant Density
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Crowdsourced GeoreferencingBritish Library
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Budget Direct Hail Automated Notification System (HANS)
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Deloitte Tech Trends 2012
Top 5 Enablers
Big Data Goes to Work
Geospatial VisualisationDigital Identities
Measured Innovation
Outside-in Architecture
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T H E F R O N T E N D
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T H E B A C K E N D
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W O R K I N G W I T H T H E D AT A
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B A S E M A P S
http://msdn.microsoft.com/en-us/library/bb259689.aspx
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Dots – POIs, user or friend locations, tweets ...
Lines – streets, relationships, linkages ...
Boundaries – suburbs, postcodes, zones ...
D O T S , L I N E S & B O U N D A R I E S
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Geocoding:converting text addresses to usable
locations
Routing:directions between 2 or more locations
Georeferencing:applying real world coords to non-geo
data
G E O P R O C E S S I N G
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Choropleth – maps shaded by a dataset ...
Heat – density maps ...
M A P S
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C O O K B O O K
I N G R E D I E N T S
ABS Census 2006 bdys & stats (BY-CC)
PostGIS 2.0
PHP
Leaflet
Cloudmade OSM tiles
> See the GeoRabble Blog for more...
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E X A M P L E S
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Coordinate Systems:AU data will most likely be GDA94 = WGS84(SRID : 4326)
Vector Thinning:Rich line and bdy datasets need to have their coords
thinned for web & mobile display (for each zoom level)
GeoJSON:The de-facto JS standard for distributing geodata to end
users (drop the decimal places)
T I P S
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O N E M A P , O N E P U R P O S E ( K I S S )
M A N Y D O T SM A N Y L A Y E R S
M A N Y W I D G E T S= M A N Y C O N F U S E D U S E R S
M A P R U L E S
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Over 700 people havecome along and connected:50 Presentations4 Sydney GeoRabbles2 Melbourne GeoRabbles2 Perth GeoRabbles1 Brisbane GeoRabble
Next Events: Sydney July (tba)Canberra coming soon
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