HELP! * GREY=local LOCAL HTML version of Foils prepared 9 february 1996

Foil 32 GIS in Database System

From Study of Use of Databases for VRML and Application to GIS Research Seminar -- 9 february 1996. by Krzysztof Walczak * See also color IMAGE
Data Storage and Indexing
The terrain data is stored in one table with types optimized for the speed of retrieval
Each row of the table describes one point
To improve retrieval speed of the data, various kinds of indices have been set
The indices are optimized for fast retrieval of square parts of terrain data using various resolution levels

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

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Page produced by wwwfoil on Tue Feb 18 1997