28 October 2006 The consistency assessment of topological relations in cartographic generalization
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Proceedings Volume 6420, Geoinformatics 2006: Geospatial Information Science; 64200T (2006) https://doi.org/10.1117/12.712901
Event: Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 2006, Wuhan, China
Abstract
The field of research in the generalization assessment has been less studied than the generalization process itself, and it is very important to keep topological relation consistency for meeting generalization quality. This paper proposes a methodology to assess the quality of generalized map from topological relations consistency. Taking roads (including railway) and residential areas for examples, from the viewpoint of the spatial cognition, some issues about topological consistency in different map scales are analyzed. The statistic information about the inconsistent topological relations can be obtained by comparing the two matrices: one is the matrix for the topological relations in the generalized map; the other is the theoretical matrix for the topological relations that should be maintained after generalization. Based on the fuzzy set theory and the classification of map object types, the consistency evaluation model of topological relations is established. The paper proves the feasibility of the method through the example about how to evaluate the local topological relations between simple roads and residential area finally.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chunyan Zheng, Chunyan Zheng, Qingsheng Guo, Qingsheng Guo, Xiaochu Du, Xiaochu Du, } "The consistency assessment of topological relations in cartographic generalization", Proc. SPIE 6420, Geoinformatics 2006: Geospatial Information Science, 64200T (28 October 2006); doi: 10.1117/12.712901; https://doi.org/10.1117/12.712901
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