Virtual Global: a new visualization system for virtual geographic environment

Jingwei Shen; Yongjun Wang; Hong Tao; Min Chen; Hongjun Su

doi:10.1117/12.812603

3 November 2008 Virtual Global: a new visualization system for virtual geographic environment

Jingwei Shen, Yongjun Wang, Hong Tao, Min Chen, Hongjun Su

Proceedings Volume 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments; 714322 (2008) https://doi.org/10.1117/12.812603
Event: Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 2008, Guangzhou, China

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.

Citation Download Citation

Jingwei Shen, Yongjun Wang, Hong Tao, Min Chen, and Hongjun Su "Virtual Global: a new visualization system for virtual geographic environment", Proc. SPIE 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 714322 (3 November 2008); https://doi.org/10.1117/12.812603

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KEYWORDS

Virtual reality

3D modeling

Visualization

Data modeling

Geography

Geographic information systems

3D image processing

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