tisec open source, web-based, spatial decision support tool for tidal power siting in washington...
TRANSCRIPT
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TISECOPEN SOURCE, WEB-BASED, SPATIAL DECISION SUPPORT TOOL FOR TIDAL
POWER SITING IN WASHINGTON STATE
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Z-Pulley Inc2
Tidal In-Stream Energy Conversion
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Z-Pulley Inc3
Web-Based Tool and Why
• Cross Platform Support• Multi-User• No special software to install… just a browser• Offload real work to server• No worrying about versions of data/software• Integrated GIS capabilities• Potential for wide range of users…
– public<->modelers
• Utilizing Open Source Software – Reduce Cost– Increase transportability
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Z-Pulley Inc4
Common Workflows Fit Well With OS GIS Tools
Data Collection Model Integration
Web-Based DST’s
Reduced Expense for Tight Budgets
Software Expense
Contracting/ Development
Deployment and Hosting
Standards Based – Transparent Development
Standards Focused
Open Development
Community Building
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Z-Pulley Inc5
Flexibility
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Z-Pulley Inc6
Explaining the Geo Stack
OS Core(Linux)
OS GIS Base Tools (GDAL, OGR, PostGIS, etc.)
OS GIS Web AppsMapserver, OpenLayers, etc.
OS Base Tools (Apache, Compilers, etc.)
OS GIS Desktop AppsQGIS, GRASS, etc.
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Z-Pulley Inc7
TISEC DSS
User Modifies Parameters
Request Sent to Server
Server Processes Request
Results Populated In Database
Results are spatially joined
Maps and Data are Returned
Users Visualize Results
Web
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Z-Pulley Inc8
Architecture
Data Layer
ProcessLayer
User InterfaceLayer
USER USERUser Interface
(ExtJS and Openlayers)
Internet
Web Server (Apache)
Tidal power calculationsModule
GIS Mapping & query tools (Mapserver)
Database (PostGIS) & File Server (Linux)
Render Engine (Mapserver)
Framework (Django)
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Z-Pulley Inc9
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Z-Pulley Inc10
ExtJS
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Django
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Admin Interface
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Project ReferencesProject Standards: • OGC - http://www.opengeospatial.org • W3C - http://www.w3.org/ UI Framework: • ExtJS - http://extjs.com/ User/Data Management Tools: • Django - http://www.djangoproject.com/ Data Visualization Tools: • OpenLayers - http://www.openlayers.org Map Engine / Rendering Tools: • TileCache - http://www.tilecache.org • FeatureServer – http://www.featureserver.org • Mapserver - http://mapserver.gis.umn.edu Data Management Tools: • Metadata – http://geology.usgs.gov/tools/metadata/standard/metadata.html • PostGIS - http://postgis.refractions.net • GDAL/OGR - http://gdal.maptools.org
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Technical Partners
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