Building the Digital Earth

• Access to data

  • what is available about this place

• Tools for visualization

  • 4-5 orders of magnitude of zoom
  • user-centered
  • beyond the visible
  • analysis, modeling, simulation

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Driving a “geographic spike” through a place and “drilling down”

How to express the infinite complexity of the geographical world in the binary alphabet and limited capacity of a digital computer

More Digital Earth URLs:

Al Gore’s speech at www.opengis.org

U.S. National Research Council’s Mapping Science Committee:

www2.nas.edu/besr/230a.html

University Consortium for Geographic Information Science www.ucgis.org