7 August 2007 Research on three-dimensional visualization based on virtual reality and Internet
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Abstract
To disclose and display water information, a three-dimensional visualization system based on Virtual Reality (VR) and Internet is researched for demonstrating "digital water conservancy" application and also for routine management of reservoir. To explore and mine in-depth information, after completion of modeling high resolution DEM with reliable quality, topographical analysis, visibility analysis and reservoir volume computation are studied. And also, some parameters including slope, water level and NDVI are selected to classify easy-landslide zone in water-level-fluctuating zone of reservoir area. To establish virtual reservoir scene, two kinds of methods are used respectively for experiencing immersion, interaction and imagination (3I). First virtual scene contains more detailed textures to increase reality on graphical workstation with virtual reality engine Open Scene Graph (OSG). Second virtual scene is for internet users with fewer details for assuring fluent speed.
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Zongmin Wang, Haibo Yang, Hongling Zhao, Jiren Li, Qiang Zhu, Xiaohong Zhang, Kai Sun, "Research on three-dimensional visualization based on virtual reality and Internet", Proc. SPIE 6754, Geoinformatics 2007: Geospatial Information Technology and Applications, 67542I (7 August 2007); doi: 10.1117/12.765180; https://doi.org/10.1117/12.765180
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