Communication between end-users and spatial databases raises important and specific issues. Unlike classical systems, it requires strong cooperation between two major tools: spatial query language and graphical interface. This paper addresses the problem of building an interactive querying system for spatial databases with an open architecture. We focus on the following issues: (i) design of a database independent Graphical User Interface (GUI) providing query expression support and advanced user-database interaction functionnalities (ii) software architecture for dealing with exchanges between the database logical representation and a graphical representation at the interface level (iii) implementation of spatial data and functionnalities within a DBMS without requiring changes in the logical data model or query language syntax. We present a prototype coupling the O2 DBMS, its query language O2Sql, and C++ /X-Window-based toolkits as graphical components for the interface implementation.
CITATION STYLE
Peloux, J. P., & Rigaux, P. (1995). A loosely coupled interface to an object-oriented geographic database. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 988, pp. 123–137). Springer Verlag. https://doi.org/10.1007/3-540-60392-1_9
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