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Jiwei Dong, Junzhong Tan, Qiang Zhao, Lixia He, Sirui Li and Jiangfeng She
Progressive encoding and transmission, i.e., a crucial technical foundation of 3D Web Geographic Information Systems (WebGIS), addresses the contradiction between massive 3D building data and limited network transmission capacity. Most progressive encodi...
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Yaqian Chen, Jiangfeng She, Xingong Li, Shuhua Zhang and Junzhong Tan
Cost distance is one of the fundamental functions in geographical information systems (GISs). 3D cost distance function makes the analysis of movement in 3D frictions possible. In this paper, we propose an algorithm and efficient data structures to accur...
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Liwei Zhang, Jiangfeng She, Junzhong Tan, Biao Wang and Yuchang Sun
High-quality terrain rendering has been the focus of many visualization applications over recent decades. Many terrain rendering methods use the strategy of Level of Detail (LOD) to create adaptive terrain models, but the transition between different lev...
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Jiaqi Li, Xiaoyan Gu, Xinchi Li, Junzhong Tan and Jiangfeng She
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