The Representation of Three-Dimensional Data Based on GeoSOT-3D

doi:10.13209/j.0479-8023.2015.120

Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2015, Vol. 51 ›› Issue (6): 1022-1028.DOI: 10.13209/j.0479-8023.2015.120

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The Representation of Three-Dimensional Data Based on GeoSOT-3D

HU Xiaoguang^1,2, CHENG Chengqi², TONG Xiaochong³

1. School of Criminal Science and Technology, People’s Public Security University of China, Beijing 100038;
2. College of Engineering, Peking University, Beijing 100871; 3. Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450001;

Received:2014-07-02 Online:2015-11-20 Published:2015-11-20
Contact: CHENG Chengqi, E-mail: ccq(at)pku.edu.cn

基于GeoSOT-3D的三维数据表达研究

胡晓光^1,2, 程承旗², 童晓冲³

1. 中国人民公安大学刑事科学技术学院, 北京 100038
2. 北京大学工学院, 北京 100871; 3. 信息工程大学地理空间信息学院, 郑州 450001

通讯作者: 程承旗, E-mail: ccq(at)pku.edu.cn
基金资助:
国家重点基础研究发展计划(61399)资助

Abstract

Abstract:

Based on GeoSOT-3D, a non-overlapping, orthogonal, latitude-longitude consistent grid in the spheroidal space, a true 3D representation method is proposed. The method includes two steps: subdivision preprocessing and subdivision expressing. The experimental result, obtained from using atmospheric data, verifies the feasibility of the method, and it provides a new idea for the representation of global observation data.

Key words: true 3D representation, three-dimensional spatial data, three-dimensional subdivision grid, GeoSOT-3D

摘要：

基于面向地球空间, 且具有边界不重叠、网格正交、经纬一致、与传统数据规格兼容性好等特点的GeoSOT-3D立体网格, 提出一种三维数据表达方法。该方法设计剖分预处理和剖分表达两个步骤来完成空间数据的真三维表达, 并对大气观测数据进行三维展示实验。实验结果验证了该方法的可行性, 为全球空间数据的表达提供一种新的解决思路。

关键词: 真三维表达, 三维空间数据, 三维立体网格, GeoSOT-3D

CLC Number:

P208

HU Xiaoguang, CHENG Chengqi, TONG Xiaochong. The Representation of Three-Dimensional Data Based on GeoSOT-3D[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2015, 51(6): 1022-1028.

胡晓光, 程承旗, 童晓冲. 基于GeoSOT-3D的三维数据表达研究[J]. 北京大学学报（自然科学版）, 2015, 51(6): 1022-1028.

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The Representation of Three-Dimensional Data Based on GeoSOT-3D

基于GeoSOT-3D的三维数据表达研究

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