HELP! * GREY=local LOCAL HTML version of Foils prepared 31 January 1996

Foil 55 T4:Geographical Information Systems

From Master Foilset for Collaborative and Interactive Visualization Project First Review Review Meeting at Rome Laboratory -- 31 January 1996. by Geoffrey C. Fox * See also color IMAGE
Provides geographical interface to spatially referenced information (place names, population, etc) and terrain models for overlaying electromagnetic and weather simulations
User can interactively navigate over the terrain, and point and click (or search) to find information (in the form of a web page) for a particular region
Terrain model utilizes digital terrain data
  • Elevation data at 100 meter resolution
  • Satellite images at 30 meter resolution
  • Could use other data such as Synthetic Aperture Radar
2D terrain viewer uses only satellite images, has been implemented in Java
3D terrain viewer uses satellite images draped over an elevation grid, has been implemented in VRML
Spatially referenced information from a multimedia database is overlaid onto the 2D or 3D image

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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