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计算机工程 ›› 2006, Vol. 32 ›› Issue (18): 234-236. doi: 10.3969/j.issn.1000-3428.2006.18.084

• 多媒体技术及应用 • 上一篇    下一篇

基于DEM的水库三维可视化研究

王宗敏1,杨海波1,秦红艳2   

  1. (1. 郑州大学河南省信息网络重点开放实验室,郑州 450002;2. 周口师范学院计算机科学系,周口 466600)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-09-20 发布日期:2006-09-20

Research on 3-Dimensional Visualization of Reservoir Based on DEM

WANG Zongmin1, YANG Haibo1, QIN Hongyan2   

  1. (1. Henan Provincial Key Lab of Information Network, Zhengzhou University, Zhengzhou 450002;
    2. Department of Computer Science, Zhoukou Teachers College, Zhoukou 466600)
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-09-20 Published:2006-09-20

摘要: 利用库区纸质地形图建立了高精度的数字高程模型,进行了精度分析、地形因子分析、可视性分析和库容计算。并结合ASP和VRML技术实现了基于网络的三维可视化系统,包括计算结果可视化与查询、图形数据可视化和库区虚拟场景可视化。实现了对深层次水利信息的获取和形象表达。

关键词: 数字高程模型, 三维可视化, 地形分析, 虚拟现实

Abstract: High resolution DEM is created based on original topographical maps of reservoir area. After the quality of DEM is approved reliable, topographic factors analysis, visibility analysis and reservoir volume are achieved based on DEM. To obtain and display water information, 3-dimensional visualization system is designed by combining ASP and VRML.

Key words: Digital elevation model(DEM), 3-Deminsional visualization, Terrain analysis, Virtual reality

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