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Title:
multiresolution terrain generation based on implicit restricted quadtree
Author: Zhang Jie ; Zheng Changwen ; Lv Pin ; Hu Xiaohui
Source: Proceedings of the 12th IASTED International Conference on Computer Graphics and Imaging, CGIM 2011
Conference Name: 12th IASTED International Conference on Computer Graphics and Imaging, CGIM 2011
Conference Date: February 1
Issued Date: 2011
Conference Place: Innsbruck, Austria
Keyword: Algorithms ; Computer simulation ; Cracks ; Interactive computer graphics ; User interfaces ; Visualization
Indexed Type: EI
ISBN: 9780889868656
Department: (1) Institute of Software Chinese Academy of Sciences China
Abstract: Generation and simplification of multiresolution terrain model in real-time is significant for large scale terrain visualization applications demanding high rendering quality at interactive frame rates. An efficient multiresolution terrain modeling algorithm is proposed in this paper on the basis of a hybrid structure, the implicit restricted quadtree. Represented as a compact flag matrix, the implicit restricted quadtree is simple to construct and traverse, resulting in an effective construction and simplification process of the terrain model. A crack prevention approach to eliminate cracks on the multiresolution terrain model is also presented in accordance with the relationship between the elements in the flag matrix. Simulation results suggest that the algorithm can produce realistic multiresolution terrain scene in real time.
English Abstract: Generation and simplification of multiresolution terrain model in real-time is significant for large scale terrain visualization applications demanding high rendering quality at interactive frame rates. An efficient multiresolution terrain modeling algorithm is proposed in this paper on the basis of a hybrid structure, the implicit restricted quadtree. Represented as a compact flag matrix, the implicit restricted quadtree is simple to construct and traverse, resulting in an effective construction and simplification process of the terrain model. A crack prevention approach to eliminate cracks on the multiresolution terrain model is also presented in accordance with the relationship between the elements in the flag matrix. Simulation results suggest that the algorithm can produce realistic multiresolution terrain scene in real time.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/16189
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Zhang Jie,Zheng Changwen,Lv Pin,et al. multiresolution terrain generation based on implicit restricted quadtree[C]. 见:12th IASTED International Conference on Computer Graphics and Imaging, CGIM 2011. Innsbruck, Austria. February 1.
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