Ecodistricts Online Mapping Tool David Percy Geospatial Data Manager PSU Institute for Metropolitan Studies Co-leads: Vivek Shandas, Will Garrick, Jeff Kistler and PoSI NNIP 2010 Fall- Oakland I would have written a shorter letter, but I did not have the time. - Blaise Pascal

Greater Portland Vancouver Indicators Regional Equity Atlas Ecodistricts Assessment Tools Other, including Teaching and Research PSU Data Commons

Greater Portland Vancouver Indicators Regional Equity Atlas Ecodistricts Assessment Tools Other, including Teaching and Research PSU Data Commons

Geometries: Census Tract Zip code Neighborhood, Etc Each with a unique geometry id Attribute data: Geom_ID Attribute Value Year Data Architecture

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

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