Data environment construction for virtual geographic environment

被引：17
|
作者：
Lu, Guonian [1 ,2 ,3 ]
Yu, Zhaoyuan [1 ,2 ,3 ]
Zhou, Liangchen [1 ,2 ,3 ]
Wu, Mingguang [1 ,2 ,3 ]
Sheng, Yehua [1 ,2 ,3 ]
Yuan, Linwang [1 ,2 ,3 ]
机构：
[1] Minist Educ, Key Lab Virtual Geog Environm, Nanjing, Peoples R China
[2] State Key Lab Cultivat Base Geog Environm Evolut, Nanjing 210023, Jiangsu, Peoples R China
[3] Nanjing Normal Univ, Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing, Peoples R China
来源：
ENVIRONMENTAL EARTH SCIENCES | 2015年 / 74卷 / 10期
关键词：
Virtual geographic environment; Data environment; Spatio-temporal data model; Spatio-temporal data organization; Geographic data analysis; Geographic model simulation; GEOMETRIC ALGEBRA; COMPUTATION; GENERATION; FRAMEWORK;
D O I：
10.1007/s12665-015-4736-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Virtual geographic environment (VGE) aims to express the real-world naturally, and support the complex geographic analysis. The data environment, fundamental of VGE, is expected to support the data management, analysis, sharing and application requirements of the massive complex geographic spatio-temporal data. In this paper, we summarized the key problems in the construction of the data environment of VGE. The unified spatio-temporal data model and a new data structure were developed according to the geographic rules. The organization and compress storage mechanism of massive spatio-temporal data were also developed. With these foundations, case studies, which integrate the global, regional and city scale data to operate complex data modeling and analysis, are performed. The results showed that the construction of the integrated data environment of VGE can largely improve the efficiency of GIS analysis, which also provides a potential new tool to support the complex geographic analysis.
引用
收藏
页码：7003 / 7013
页数：11
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