| 几何地形数据实时绘制技术研究 |
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| 引用本文： | 曹振宇,齐华,甘泉.几何地形数据实时绘制技术研究[J].四川测绘,2005,28(4):153-155,164. |
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| 作者姓名： | 曹振宇 齐华 甘泉 |
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| 作者单位： | [1]四川省基础地理信息中心,四川成都610081 [2]西南交通大学土木工程学院,四川成都610031 |
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| 摘 要： | 大规模地形可视化在三维地理信息系统、虚拟现实以及虚拟地理环境系统中占有重要地位。本文研究大规模地形实时绘制技术，探讨了大规模地形实时绘制的基本途径和相关技术问题。
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| 关 键 词： | 三维地理信息系统 虚拟现实 虚拟地理环境 |
| 文章编号： | 1001-8379（2005）04-0153-03 |
| 收稿时间： | 2005-11-03 |
| 修稿时间： | 2005-11-03 |
RESEARCH ON REAL-TIME DISPLAY OF GEOMETRICAL TERRAIN DATA |
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| CAO Zhen-yu, QI Hua, GAN Quan.RESEARCH ON REAL-TIME DISPLAY OF GEOMETRICAL TERRAIN DATA[J].Surveying and Mapping of Sichuan,2005,28(4):153-155,164. |
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| Authors: | CAO Zhen-yu QI Hua GAN Quan |
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| Institution: | 1. Sichuan Geomatics Center, Chengdu,Sichuan 610081, China; 2. College of Civil Engineering, Southwest Jiaotong University, Chengdu,Sichuan 610031, China |
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| Abstract: | Visualization of large scale terrain is playing a key role in the study of 3-D GIS , virtual reality and virtual geographic environments. This thesis focuses on real-time display of large scale terrain. Some fundamental strategies and related techniques for real-time rendering of large scale terrain are investigated. |
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| Keywords: | 3-D GIS virtual reality virtual geographic environments |
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