Abstract
Urban landscape 3D visualization system is the basic support system of Digital City, Digital China or Digital Earth, its research is also the key issue in the field of digital city. Therefore, this article selects urban landscape three- dimensional visualization system as research object In-depth analysis of R & D requirements of urban landscape 3D visualization system, the paper examines in detail the basic system structure, key technology, and targeted improved and optimization in its data management, event handling, and three-dimensional visualization engine, the effectiveness of these methods is proved in practice. On the other hand, the content of this article is only involved based part in urban landscape 3D visualization system, the parts solved includes the system infrastructure and visualization engine, while automatic scene construction and knowledge expression issues remain to be a further study.
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