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Proceedings Paper

Constraints of displacement and their satisfaction with finite element method
Author(s): Jianhua Mao; Ting He; Xianhua Li; Xuefeng Liu; Qihong Zeng
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Paper Abstract

Map objects' displacement is an important operator in the map generalization and spatial information visualization. In this paper, the constraints of map objects displacement and their satisfaction method with the finite element method are discussed, in which the constraints of map objects displacement and strategies of parameters of finite element method in the displacement process play important roles for the displacement result, and compromised with the spatial reasoning method, a progressive node displacement method is discussed in this paper, which is examined with a road widening case. And the result shows that the force and the force propagation can be considered comprehensively in this method, through which unnecessary map object displacement can be avoided.

Paper Details

Date Published: 1 August 2007
PDF: 12 pages
Proc. SPIE 6751, Geoinformatics 2007: Cartographic Theory and Models, 675111 (1 August 2007); doi: 10.1117/12.759705
Show Author Affiliations
Jianhua Mao, Ministry of Land and Resources (China)
Shanghai Univ. (China)
Jiangxi Normal Univ. (China)
Ting He, Ministry of Land and Resources (China)
Xianhua Li, Jiangxi Normal Univ. (China)
Xuefeng Liu, Jiangxi Normal Univ. (China)
Qihong Zeng, Jiangxi Normal Univ. (China)


Published in SPIE Proceedings Vol. 6751:
Geoinformatics 2007: Cartographic Theory and Models

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