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An Interface Between The Grass Geographic Information System And Oracle Relational Detabase Management System, David Gordon Buker
An Interface Between The Grass Geographic Information System And Oracle Relational Detabase Management System, David Gordon Buker
FIU Electronic Theses and Dissertations
A query and display interface has been developed between the GRASS geographic information system and the SQL-based ORACLE relational database management system (DBMS) . This interface enables multiple non-spatial attributes of GRASS map features to be maintained with the DBMS. GRASS alone is capable of storing only one attribute per feature. The interface allows the user to provide both spatial (GRASS) and non-spatial (SQL) selection criteria for any query. Spatial selection methods include picking items from the GRASS map with a mouse, and specifying areas of interest with user-drawn (via a mouse) polygons and transects. The results of the combined …