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My GIS Timeline
- 1. My GIS Timeline Jeff Hobbs, GIS Coordinator San Jose Water Company [email_address] June 18, 2008
- 2. Wikipedia Reads… Wikipedia (and what I conceptually learned in school) defines GIS as “… any system for capturing, storing, analyzing, managing and presenting data and associated attributes which are spatially referenced to Earth.” “ In the strictest sense, it is any information system capable of integrating, storing, editing, analyzing, sharing, and displaying geographically referenced information. In a more generic sense, GIS is a tool that allows users to create interactive queries (user created searches), analyze the spatial information, edit data, maps, and present the results of all these operations.”
- 3. When I was in School 9 years ago (at SJSU), I defined GIS as (ESRI) software ArcView 3.x ArcInfo command line
- 4. The Other Players Once my first job came, I found out…there are more players in the game Intergraph GeoMedia Intergraph MGE MapInfo Manifold
- 5. Costs What’s the most expensive cost of any GIS? The Data
- 6. Access What do very few people typically have access to in a company/agency? The Data
- 7. The Internet Map Server The next jump in my GIS timeline was the internet map server ArcIMS (ArcGIS Server) GeoMedia WebMap MapGuide UMN Map Server Others
- 8. The Internet Map Server Exposed the data that cost so much to many more people
- 9. Let’s Put it All on the Web Site Soon we began seeing many sites with GIS data The initial dream…let’s put an entire GIS on the web!
- 10. Let’s Put it All on the Web Site Let’s take everything and put it into the browser
- 11. Way Too Hard to Use Great…the functionality was accessible by many. But who wanted to (or could) use it?
- 12. Meanwhile…In the Database World Around the same time internet map servers began gaining popularity, so did GIS-enabled databases Intergraph brought the first main stream geometry-enabled database software to market Store the graphic with the attributes ESRI “marketing machine” coined the term “geodatabase”
- 13. Microsoft Access Microsoft Access became the de facto geodatabase (primarily out of popularity and ease of use) Intergraph called it an “Access Warehouse” ESRI called it a “personal geodatabase”
- 14. Enterprise Databases Next in the GIS timeline…enterprise databases All of the power of an enterprise database…but it can be used in a GIS environment Multi-user, users, transactions, views, replication, etc. Spatial processing!
- 15. SELECT MSLINK, SDO_GEOM.SDO_AREA(GDO_GEOMETRY, 0.005,'unit=SQ_FT') AS "AREA IN SQUARE FEET" FROM PARCEL WHERE MSLINK = 7607; Spatial Query Using SQL SELECT C.CITY_NAME FROM USSAMPLE.CITIES C, USSAMPLE.STATES S WHERE S.STATE_NAME = 'CALIFORNIA' AND C.CITY_NAME LIKE 'M%' AND SDO_RELATE(S.GEOMETRY, C.GEOMETRY, 'MASK=CONTAINS') = 'TRUE' ORDER BY C.CITY_NAME;
- 16. Spatial Processing in the Database OK, I know I can do it, but why would I want to? It sure looks harder than GeoMedia. Automation Many times that GIS interface really isn’t needed City of San Jose eMap Application
- 17. Web Mapping 2.0/GeoWeb Next on the timeline…“GeoWeb” Web 2.0 ease of use Rich Internet Applications (RIAs) Web Services Standards Acronym soup SOAP WSDL WMS WFS OGC WFS-T GML KML XML REST AJAX SVG SWF XAML
- 18. Web Mapping 2.0/GeoWeb Intuitive Fast Massive amounts of data Open Free* In other words…
- 19. Mashups OK…I’ve got tons of business data and I want it mapped. What do I do? In this past this would be an internet map server based solution
- 20. Mashups Not anymore! Now we think Google, Yahoo, and Microsoft… http://www.housingmaps.com/ - Google Maps with Craig’s List data EveryBlock – Chicago – Google data and many other sources California School Finder – Microsoft Virtual Earth and school location data
- 21. Tying the Geodatabase into the Mashup Now let’s tie the enterprise geodatabase into the mix Boston Redevelopment Authority – Development Projects City of San Jose Locator Site
- 22. Let’s not Forget Google Earth! Fast access to tons of data The world is at your finger tips! Easy to use Cool to watch Provides a lot of valuable data Easy to integrate! Free*
- 23. Open Source Software Last stop on the timeline…open source software In many ways this has been driven through the free APIs provided by the big three Becoming much more widely accepted Free (usually) Have become much more mature
- 24. Open Source Client Software Take at look at the OSGeo web site GRASS GIS Quantum GIS uDig GeoSetter+ gvSIG MapWindow GIS Many More!
- 25. Open Source Server Software MapServer OpenLayers+ MapGuide Open Source MapBuilder Mapbender Many More!
- 26. Open Source Database Software PostGIS (PostgreSQL) MySQL
- 27. Closing Thoughts Main stream Enabling technology GIS <> Buzzword anymore Good times ahead
- 28. A Q & Q U E S T I O N S A N S W E R S
- 29. My Contact Info Jeff Hobbs San Jose Water Company GIS Coordinator 408.279.7833 [email_address]
Editor's Notes
- #2: This will outline my exposure to GIS technology from school to today’s job. This will be done through a timeline analogy but will also show how the technologies in the end all flow together.