Warnell GIS and Spatial Analysis

Contact for GPS check out:  Alison Leggett (leggetta@warnell.uga.edu)

Data Collection (when, where, how)

• What to do first (NOT GPS)
• GeoXM/ArcPad10:  http://www.warnellgis.com/sites/default/files/GeoXMArcPad10.pdf
• GeoExplorer3:  http://www.warnellgis.com/sites/default/files/GEO3Lab.doc

GIS Data @ Warnell and elsewhere

• GIFF:  Local repository for students who are logged into one of the school's computers.
• Georgia GIS Clearinghouse ( http://data.georgiaspatial.org/ ):  Repository for every county in Georgia (aerials, DEM, topos, etc) 
• NRCS ( http://datagateway.nrcs.usda.gov/ ):  County-level repository for each state in the nation

Getting reaquanted with ArcMap

• ArcMap 10
  • Editing a shapefile:
    • right-click on layer > Edit Features > Organize Feature Templage (New Template) > Finish/OK
    • right-click on layer > Edit Features > Start Editing
    • Click on layer in the Create Features window to the right then select the tool (polygon, polyline, point, etc)
    • Start digitizing...
  • Load Bing or Google Earth imagery
    • File > Add Data > Add Basemap
  • Save Bing or Google Earth image to your computer
    • load the image and zoom into the area you are interested in
    • File > Export Map (file type JPEG, resolution~200dpi will work fine)
  • Clip an image (one from GIFF or elsewhere that is saved on your hard drive)
    • zoom into your area of interest
    • right-click on the layer > Data > Export Data
    • change the extent to the Current Display, set the output directory and file name, ..
    • OR you can use the Extract by Mask tool in ArcToolbox
      • create shapefile
      • measure area
      • map layout

Q & A

 I will upload some ArcGIS10 tutorials by the end of the week.