Tuesday, June 5, 2012

Interactive West Nile virus incidence mapping using OpenGeo tools, Google APIs, & HTML5

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The Geographic Information Science Center of Excellence at South Dakota State University developed a web based West Nile virus (WNV) mapping application using Geosever, Openlayers, PostGIS,GeoWebCache, Jquery, Google visualization APIs, and, other open source technologies. This application allows users to pan, and zoom to visualize historical WNV patterns while using a slider bar to navigate through time. Users can click on counties to see -county level time-series graphs, case counts, and total population. The application also supports changing choropleth transparencies, choropleth classifications, and map backgrounds.

Methods:
A. OpenGeo tools:

i.     Open layers
ii.    Geoserver
iii.   WebGeoCache
iv.   PostGIS

B. Google APIs
i.       Google Maps API
ii.      Google Charting API
C.      HTML5

These are frequently refereed to as HTML5 technologies.
Javascript
HTML Canvas
WebGL
CSS3
Other CSS improvements such as flex boxes
Offline Storage
Geolocation
New events such as touch and orientation
Ajax
Websockets
Click here to visit the Application





 

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