(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. bibtexsummary:[/wrf.bib,wrf-cga-82]
2. bibtexsummary:[/wrf.bib,wrf-prism-hu]
3. bibtexsummary:[/wrf.bib,fl-3gdds-78]