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## A MATHEMATICAL MODEL FOR DETERMlNING THESELECTION OF CARTOGRAPHIC OBJECTS INAMAPON THE BASIS OF FUZZY SYNTHETICJUDGEMENT PRINCIPLE

Xu Zhaozhong(Wuhan technical University of Surveying and Mapping)
By using a general mathematical method in the research of cartographic generaliza- tion one can only get a quantitative standard for the seIection of cartographic objects. In this paper, on the basis of A.B. Bopo4HH's Geometrical Progression Method. a compar- atively complete mathematical method for the selection of cartographic objects is estab- lishedthrough the qua1itative study of objects by using of the fuzzy synthetic judgement princip1e. In this paper. an example is put forward in detail to illustrate the use of the new model in the selection of rivers in a map. The determination of the subordinate degree of main factors in the factor set is emphasized, and an experimental sample and a basic way for the selection of a1l cartographic features in a map are introduced. The author uses the concept of the fuzzy mathematics and offers a new means in the research of cartographic generalization. Furthermore. it puts forward a new potentiaI approach to cartographic data base creation and computer--assisted map compilation.
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 【References】
 Chinese Journal Full-text Database 3 Hits
 1 Wang Jiayao;Fuzzy Mathematics Methods in Cartography[J];Map;1991-01 2 Xu Zhaozhong;The Research of Structure Model for Selection of Cartographic Objects in Cartographic Generalization with Fuzzy Sets Theory[J];Journal of Wuhan Technical University of Surveying and Mapping;1987-04 3 Xu Zhaozhong;The synthesis Assessment of Urban Environmental Qualities with Multilayer Fuzzy Model[J];Journal of Wuhan Technical University of Surveying and Mapping;1990-04
 【Co-references】
 Chinese Journal Full-text Database 3 Hits
 1 Feng Kejun et al.(Committee of capital construction in Xiang Tan);A MODEL OF MULTIVARIATE MONOTONE REGRESSIONAND AN EXAMPLE OF ITS APPLICATIONIN CARTOGRAPHY[J];Acta Geodaetica Et Cartographic Sinica;1988-03 2 Wang Jia—yao Yao Jie;AN APPLICATION OF FUZZY COMPREHENSIVE ESTIMATION IN CARTOGRAPHIC GENERALIZATION[J];JOURNAL OF THE PLA INSTITUTE OF SURVEYING AND MAPPING;1985-02 3 Xu Zhaozhong;The Research of Structure Model for Selection of Cartographic Objects in Cartographic Generalization with Fuzzy Sets Theory[J];Journal of Wuhan Technical University of Surveying and Mapping;1987-04
 【Secondary References】
 Chinese Journal Full-text Database 6 Hits
 1 Xie Shijie; Liu Jilin(School of Information Engineering,WTUSM,Wuhan, 430070,China);Teh Assessment of GaS Environmental Quality Based on BP Neural Network[J];WTUSM BULLETIN OF SCIENCE AND TECHNOLOGY;1996-04 2 Zhan Shaofeng;The Synthesis Assessment of Student's Comprehensive Quality with Multilager Fuzzy Model[J];;1997-02 3 Xu Zhaozhong, Chen Liang(School of Urban Studies,Wuhan Technical University of Surveying and Mapping,Wuhan 430072);APPLICATION OF FUZZY GREY THEORY IN ENVIRONMENTAL QUALITY ASSESSMENT OF MUNICIPALITIES[J];ACTA SCIENTIAE CIRCUMSTANTIAE;1997-03 4 Li Deren;Chen Xiaoyong;Mathematical Morphology and Its Application in Binary Image Analysis[J];Journal of Wuhan Technical University of Surveying and Mapping;1989-03 5 Xu Zhaozhong;The synthesis Assessment of Urban Environmental Qualities with Multilayer Fuzzy Model[J];Journal of Wuhan Technical University of Surveying and Mapping;1990-04 6 Xu Zhaozhong;Cai Jixiang;Wang Ling(Insthute of Urban Construction,WTUSM,Luoyu Road 39,Wuhan,China, 430070);Overstandard Weight-grey Situation Decision for Urban Environmental Qualitative Assessment[J];JOURNAL OF WUHAN TECHNICAL UNIVERSITY OF SURVEYING AND MAPPING(WTUSM);1994-03
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