• Lab #7 due Monday, Nov. 2, Lab #8 due Nov. 9 (last lab)
• Homework #2: Part 2, due in one week (Nov. 4)
• Homework #3: Raster Analysis and ModelBuilder, Part 1 due by Mon., Nov. 9; Part 2 due Wed., Nov. 18
• Project Proposals: Short (<1 page on topic, intention, and data sources) proposal due on Stellar by Monday, Nov. 23

Today

• Introduction to Internet GIS and GeoSpatial Web Services
  • What do we mean by 'web mapping' or 'internet GIS'?
    • Yahoo Maps, Google Earth, Mapquest, etc. - are these GIS applications?
    • What about map 'mashups' on top of Google Maps and Google Earth?
    • What about iPhone maps and navigation tools?
  • Distinguish between map publication, single purpose apps, and geoprocessing (interactive spatial analysis)
  • Decompose into server and client components
    • Recognize pros and cons of client/server workload balancing
    • Recognize utility of open standards for interoperable geospatial web services
    • Enter this URL in a web browser
      • http://maps.massgis.state.ma.us/mapaccess/main.jsp?dpi=120&request=GetMap&layers=MHD+Roads&styles=Class&srs=EPSG:4326&bbox=-71.1,42.35,-71.0,42.37&width=640&height=480&format=image/png&service=wms&transparent=true
      • Do you recognize the meaning of the parameters? Play with the values...


• Demonstrate use of web services
  • MassGIS web mapping services (WMS) within ArcMap
    • Add 'GIS Servers' (instead of a shapefile, database connection, etc.)
    • Then add the WMS Server (using GeoServer) at MassGIS
    • http://giswebservices.massgis.state.ma.us/geoserver/wms?
  • Google mashups
    • Lab #1 used 'map to KML' to publish ArcMap maps within Google Earth
    • Explore "GeoModeling" with Google Earth and Sketchup (optional - not on exam or exercises)
      • In Google Earth, zoom in to the MIT campus
      • Place a to-scale model of Eiffel Tower on Briggs Field
        • Choose Add/Network-Link and select this file from the class data locker: M:\data\sketchup\eiffel_08nov06_v1.kmz
      • Keep Google Earth open and start Google Sketchup as well
        • Open the saved Eiffel Tower sketchup file in: M:\data\sketchup\eiffel_mit_08nov.skp
        • Click the "view your model in Google Earth" button (3rd from right side of tool bar)
          • The sketchup model will be placed into Google Earth in the same location as determined by SketchUp from the registered image that came from a Google Earth snapshot.
          • Some machines in the MIT labs will not allow this method of moving 3D models from SketchUp to Google Earth (do to file writing permission issuses). In that case, from Sketchup, choose File/Export/3D-Model and save your model to disk in KMZ format (zipped keyhole markup language, KML). Then open the file in Google Earth via Add/Network-Link.
      • Turn on 3D buildings in Google Earth and examine the scale of the Eiffel Tower compared with the playing fields and MIT buildings
      • Think about how Eiffel Tower model might be encoded for efficient and standard hand-off to Google Earth
      • Introduction to KML: http://code.google.com/apis/kml/documentation/
      • Homepage of Open Geospatial Consortium: http://www.opengeospatial.org
      • For more information about downloading and using Google Earth and Sketchup see:
      • Downloading Google Earth: http://earth.google.com/
      • Downloading Google Sketchup: http://www.google.com/sketchup/download/
      • Geomodeling with Google Earth: http://sketchup.google.com/support/bin/topic.py?topic=13681&hl=en
      • How to place a Sketchup model in Google Earth: http://sketchup.google.com/support/bin/answer.py?answer=36241&topic=13681


• Introduce Internet GIS concepts and strategies
  • Part of one-day URISA Workshop by Profs. Joe Ferreira and Zhong-Rhen Peng with additions by Prof. Mike Flaxman
• Sample topics from PDF-formatted powerpoint slides
  • Slides 1-18 Intro
  • Skim Urban Planning applications of Internet GIS (slides 19-42, note MIT OrthoServer is now retired)
  • MassGIS web services example: slides 43-48
• Do Internet GIS exercises in Lab Exercise #8 on Monday