(in WR Franklin → Research)

This is a 1970s algorithm and implementation for displaying 3D prism maps showing data depending on geographic regions by raising a prism above each region. The program preprocessed the 2D map in advance so that new data could be displayed, with hidden surfaces removed, quickly. Titles include:

  1. Program Translates Statistics into 3-D Color Map of Europe. W. Randolph Franklin. IEEE Computer and Applications, 2(5):front cover and p. 4, July 1982. ((invited)).
  2. Prism --- A Prism Plotting Program. W. Randolph Franklin. In Mapping Software and Cartographic Data Bases, pages 75-79., 1979.
  3. 3-D Graphic Display of Discrete Spatial Data By Prism Maps. Wm Randolph Franklin and Harry R. Lewis. In Proc. SIGGRAPH'78, pages 70-75, Aug 1978. (paper).


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