Basic HTML version of Foils prepared 7 October 97

Foil 51 Data Storage and Indexing

From VRML and Use of Databases as backend and Application to GIS ARL Database Tutorial -- February 98. by Krzysztof Walczak


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.



© on Mon Oct 13 1997