Acta Geodaetica et Cartographica Sinica ›› 2019, Vol. 48 ›› Issue (5): 630-642.doi: 10.11947/j.AGCS.2019.20170531

• Cartography and Geoinformation • Previous Articles     Next Articles

The precise model of complex planar objects' topological relations

CHEN Zhanlong, YE Wen   

  1. Faculty of Information Engineering, China University of Geosciences, Wuhan 430074, China
  • Received:2017-09-18 Revised:2019-01-30 Online:2019-05-20 Published:2019-06-05
  • Supported by:
    The National Natural Science Foundation of China(No. 41871305);The National Key Research and Development of China(No. 2017YFC0602204);The National High Resolution Earth Observation Major Project(No. GFZX04040604)

Abstract: For complex planar objects, which are composed of simple spatial objects, the existent models of topological relations may not be able to describe some topological attributes of complex objects well. Taking the topological content between complex objects into account, this paper presents a model of basic topological relations between line/planar objects, and then in which the basic topological relations and the concept of overlapping area are leveraged to describe the topological relations of simple planar objects. The definition of traversing of hole's boundary and planar with a hole are used to describe the topological relations between complex planar objects. Finally, the five basic topological relationship description modes of complex planar objects are summarized to realize description of the details of topological relations between partitions of complex planar objects.

Key words: spatial combination, topological relation, boundary intersection, precise representation

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