ecodistricts online mapping tool david percy geospatial data manager psu institute for metropolitan...
Post on 15-Jan-2016
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Ecodistricts Online Mapping Tool
David PercyGeospatial Data Manager
PSU Institute for Metropolitan Studies
Co-leads: Vivek Shandas, Will Garrick, Jeff Kistler and PoSI
NNIP 2010 Fall- OaklandI would have written a shorter letter, but I did not have the time. - Blaise Pascal
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Greater Portland Vancouver Indicators
Regional Equity Atlas
Ecodistricts Assessment
Tools
Other, including Teaching and
Research
PSU Data Commons
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Greater Portland Vancouver Indicators
Regional Equity Atlas
Ecodistricts Assessment
Tools
Other, including Teaching and
Research
PSU Data Commons
![Page 8: Ecodistricts Online Mapping Tool David Percy Geospatial Data Manager PSU Institute for Metropolitan Studies Co-leads: Vivek Shandas, Will Garrick, Jeff](https://reader035.vdocuments.net/reader035/viewer/2022070412/56649d575503460f94a3621b/html5/thumbnails/8.jpg)
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Geometries:
Census Tract
Zip code
Neighborhood,
Etc
Each with a unique geometry id
Attribute data:
Geom_ID
Attribute
Value
Year
Data Architecture
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Short Stack
• PostGIS – (open source Oracle Spatial, basically)
• Openlayers – (open source equivalent to ArcGIS’ javascript
mapping client for AGS)
• No mapserver or geoserver for rendering, rendered in client
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Open standards for delivery
• Uses KML– an OGC standard now, though originally
developed for Google Earth.
• Could use GeoJSON, which might parse faster than XML in the browser.
• KML used due to easy support in OpenLayers
• OpenStreetMap for base layer
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