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NASA World Wind:
the web geospatial multipurpose
and multidimensional platform
M. A. Brovelli1 , D. Collins2, P. Hogan2,
E. C. Kilsedar1, G. Prestifilippo1, G. Zamboni1
1) Politecnico di Milano, 2) NASA WorldWind
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What is World Wind?
• Accurate World for Spatial Data
Platforms:
Java
Web App
Android
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World Wind Provides …
Geographic Context for Data Visualization
Rich Set of Shapes and Graphic Primitives
Import data from anywhere: Local, Web,
Cloud, Database, etc.
Viewing, Picking, Scene Control, etc.
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Where it is used (examples)
www.EarthServer.eu
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Not just one app, any app you want. . .
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‘Live’ satelliteLive satellite tracking
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Any applicative domain
Sub-surface
Field interactive analysis
Interaction with terrain and objects
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Any geodata source
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Any geodata type
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Multi-Window
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EST-WA
• Environmental Spatial and Time Web Analyzer: a
doxel based tool for web visualization of environmental
variables
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EST-WA Architecture
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Geo-crowdsourced geodata viewer
Telecommunication data
• Received SMS
• Sent SMS
• Incoming Calls
• Outgoing Calls
• Internet connection: a CDR is generate each time
– a user starts an internet connection
– a user ends an internet connection
– during the same connection one of the following limits is reached:
» 15 minutes from the last generated CDR
» 5 MB from the last generated CDR
• Geolocalized Tweets (Anonymized twitter users)
2 months of dataevery 10 minutes
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• Works with irregular grids
• allows the simplification of the voxel structure
EST-WA Web Version
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EST-WA Web Version Architecture
• Architecture with pure web
technologies
• It runs entirely at the client-side
• Fully customizable
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Policrowd 2.0: a Social World Wind Platform
• Fully customizable platform (layers, icons,…)
• User-Contributed
Content
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Volunteer Geographic Information
• An example (cultural elements):
– Based on ODK and only for Android
http://www.viaregina.eu/files/documenti/2
014/istruzioni_eng.pdf
– Cross-platform (App and Play store:
download Via Regina or
http://viaregina3.como.polimi.it/app/)
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Policrowd 2.0
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Policrowd 2.0 Architecture
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Policrowd 2.0 Web World Wind
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Policrowd 2.0 WWW Architecture
http://viaregina3.como.polimi.it/WorldWind/
Try by yourself!