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Proceedings Paper

Research on novel 3D buffer analysis method based on vector
Author(s): Haixia Wang; Fei Guo; Guonian Lv; Liangchen Zhou
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Paper Abstract

Spatial buffer analysis is one of the important and basic spatial operation functions of geographic information system. Studying 2D spatial buffer generation and analysis was more than the 3D spatial presently, thereby a novel 3D buffer generation algorithm based on vector was presented in this paper. 3D spatial solid is represented by B-Rep model and it's buffer is categorized into solid boundary buffer and solid interior, then construct the whole buffer by union operation on them. The boundary features of 3D spatial solid are classified into point feature, line features and face features. Usually, the statistical analysis is necessary after solid buffer generation. Thus, we proposed a new method which can quick judge whether the buffer affecting the surrounding objects based on collision detection theory. Finally, taking the surface and underground 3D space around University City region of Xianlin as the research area, a 3D buffer with complex geological environment and man-made buildings is created based on the new presented algorithm, and spatial statistical analysis is achieved based on the generated 3D buffer. The results show that the improved algorithm is efficient and practicable, especially the proposed 3D buffer generation algorithm based on vector is applicable for convex body and concave body comparing with current approaches.

Paper Details

Date Published: 29 December 2008
PDF: 7 pages
Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72853Q (29 December 2008); doi: 10.1117/12.815963
Show Author Affiliations
Haixia Wang, Nanjing Normal Univ. (China)
Fei Guo, Nanjing Normal Univ. (China)
Guonian Lv, Nanjing Normal Univ. (China)
Liangchen Zhou, Nanjing Normal Univ. (China)

Published in SPIE Proceedings Vol. 7285:
International Conference on Earth Observation Data Processing and Analysis (ICEODPA)
Deren Li; Jianya Gong; Huayi Wu, Editor(s)

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