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Proceedings Paper

Virtual Global: a new visualization system for virtual geographic environment
Author(s): Jingwei Shen; Yongjun Wang; Hong Tao; Min Chen; Hongjun Su
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Paper Abstract

Virtual Global, a new visualization system is designed and developed by Key Laboratory of Virtual Geographic Environment (Nanjing Normal University) as the visualization platform of the virtual geographic environment. In order to represent various types of data about geographic information, 3D scene, geographic models and geographic phenomena simulation in the world wide, Virtual Global is designed in which terrain, imagery data, various types of 3D models and annotation can be represented. Distributed data service and the transfers of compressed data on the internet are supported, too. The high speed transmission of imagery data, large scale terrain real-time roaming, automatic annotation placement and so forth are also implemented. The spatial scattered grid which can satisfy the modeling and simulating of the geography effectively is integrated into this system. Distributed data management is used and massive data is stored on different computer. Progressive data transmission is introduced and data is downloaded according to the requirement of the client. The frequency of access to the internet is reduced.

Paper Details

Date Published: 3 November 2008
PDF: 9 pages
Proc. SPIE 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 714322 (3 November 2008); doi: 10.1117/12.812603
Show Author Affiliations
Jingwei Shen, Nanjing Normal Univ. (China)
Yongjun Wang, Nanjing Normal Univ. (China)
Hong Tao, Nanjing Normal Univ. (China)
Min Chen, Nanjing Normal Univ. (China)
Hongjun Su, Nanjing Normal Univ. (China)


Published in SPIE Proceedings Vol. 7143:
Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments
Lin Liu; Xia Li; Kai Liu; Xinchang Zhang; Aijun Chen, Editor(s)

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