1. Web Mapping with Open Source GIS Software Best practices from the PSU Experience David Percy Geospatial Data Manager, Geology Department Portland State University With gratitude to Morgan Harvey, Eric Hanson, Nate Davenport, Cris Holm, Tim Welch, and Will Garrick Funding provided by many sources, including NASA, NSF, Oregon Dept of Geology, US Geologic Survey OSCON 2007

6. Special features: links from each glacier to “assets” database containing airphotos, oblique photos, and satellite data used for determinig temporal change during last century.

7. Special features: links from geologic map units to map catalog, lexicon of stratigraphic names, and more detailed data on state survey servers. Oh, and the GeoWiki!

8. Special features: uses Yahoo geocoder to zoom to street address. Passed as coordinates, returned as XML to be parsed... Serves up over 10GB of imagery, with loads times ~7 seconds

12. Components of the National Geologic Map Database geographic search: Openlayers Javascript thick client Kamap Tiling engine to pre-render the five zoom levels Mapserver Cartographic styling and rendering of maps Prototype Javascript library Perl and Oracle Database storage and retrieval