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Importing Google Earth Data into a GIS

Center for Land use Education and Research. Importing Google Earth Data into a GIS. Jason Parent jason.parent@uconn.edu. Google Earth. Provides free access to a rich resource of satellite imagery and geographic data Excellent for visualization

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Importing Google Earth Data into a GIS

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  1. Center for Land use Education and Research Importing Google Earth Data into a GIS Jason Parent jason.parent@uconn.edu

  2. Google Earth • Provides free access to a rich resource of satellite imagery and geographic data • Excellent for visualization • On-screen digitizing capabilities allow mapping of features • Features can be saved as kml files • kml files cannot be directly loaded into a GIS

  3. The “Convert KML to SHP” tool • Converts kml features to shapefile features • Names and descriptions of kml features are retained in the shapefile • Easy to use - run as a tool in ArcToolbox • Runs on ArcView 9.2 – no extensions required. • Works with kml files created by Google 4.2 • May not work with older versions

  4. Right-click Creating features in Google Earth • Create a folder to contain the features Enter single line description

  5. polygon name Select folder point line Creating features in Google Earth • Create feature in the appropriate folder description

  6. Right-click Saving features to a KML file • Save the entire folder as a kml file (do not save as a kmz file) • Folder can contain more than one feature type.

  7. Input kml file Feature type Output shapefile Running the “Convert KML to SHP” tool • Add toolbox to ArcToolbox

  8. Google Polygons to Shapefile Shapefile is not projected

  9. Feature Attributes

  10. Using Google Earth Imagery in a GIS • Google Earth imagery cannot be downloaded. • Screen captures can be georeferenced and used in a GIS. • Reference points are needed to geo-reference a screen capture. • Features digitized in Google Earth can be used as references.

  11. Georeferencing Snapshots

  12. Saving the Georeferenced Image

  13. Downloads • The “Convert KML to SHP” tool, as well as other geospatial tools, can be downloaded through the Center for Land use Education and Research (CLEAR) website: • http://www.clear.uconn.edu/tools/geospatial/KML_to_SHP_ArcGIS.zip

  14. Questions? Importing Google Earth Data into a GIS Jason Parent jason.parent@uconn.edu Center for Land use Education and Research

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