基于VRML的三维地形可视化研究
Three-Dimensional Terrain Visualization Based on VRML
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摘要: 分析了基于VRML的三维地形可视化实现技术,依照VRML语法扩展了适合三维地形网络表达的 VRML原型节点,解决了如何使三维大规模地形数据直接进入VRML世界、高精度数学运算和实时交互漫游的 难点问题.Abstract: The methods to realize three-dimensional terrain visualization are discussed, and the proto node definition suitable for three-dimensional terrain visualization extended according to virtual reality modeling language (VRML). The method solves the problem of the use of large-scale data directly in the VRML environment, calculation with high precision and real-time wandering.
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Key words:
- geographical information systems /
- virtual technique /
- three-dimensional terrain /
- visualization /
- VRML
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