Method and apparatus for building and maintaining an object-oriented geospatial database
First Claim
1. A method of building and maintaining an object-oriented database from a vector product format (VPF) database, said method comprising:
- instantiating objects of the object-oriented database, using the VPF database;
initializing spatial and non-spatial feature data of the object-oriented database;
spatially indexing data among objects across hierarchical levels of the object-oriented database;
updating data of the object-orientated database; and
exporting contents of the updated object-oriented database to the VPF database.
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Abstract
An object-oriented system for building and maintaining a spatial data structure for use in topological applications. The data is organized in a database which incorporates spatial feature location, attributes, and metadata information in a relational framework across a hierarchy. The system provides for the instantiation of the objects and levels that make up the database and for spatially indexing the data among the objects across hierarchical levels. The data can be updated while preserving the spatial linking among objects and levels, and the data can be exported to a relational vector product format database.
57 Citations
7 Claims
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1. A method of building and maintaining an object-oriented database from a vector product format (VPF) database, said method comprising:
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instantiating objects of the object-oriented database, using the VPF database;
initializing spatial and non-spatial feature data of the object-oriented database;
spatially indexing data among objects across hierarchical levels of the object-oriented database;
updating data of the object-orientated database; and
exporting contents of the updated object-oriented database to the VPF database.
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2. A method of building and maintaining an object-oriented database from a vector product format (VPF) database, said method comprising:
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instantiating objects of the object-oriented database, using the VPF database;
initializing spatial and non-spatial feature data of the object-oriented database;
spatially indexing data among objects across hierarchical levels of the object-oriented database; and
updating spatial and non-spatial data. - View Dependent Claims (3, 4, 5, 6, 7)
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Specification