Topologic Relationships and Editing of Elementary Graphic Objects in Object-oriented Geographical Database

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Topologic Relationships and Editing of Elementary Graphic Objects in Object-oriented Geographical Database
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Abstract:

This article proposes the logic data model of object-oriented geographic database. The topologic relationships between the elementary graphic object are analyzed in detail, and the editing operations to be performed on them are identified and analyzed. These editing operations ensure that topologic consistency in the database is preserved.

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Wang Feng, Yang Shuqiang, Chen Huowang. Topologic Relationships and Editing of Elementary Graphic Objects in Object-oriented Geographical Database[J]. Journal of National University of Defense Technology,1996,18(4):120-123.

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Received:March 11,1996
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Online: June 11,2014
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