| 大规模三维地形的生成和漫游 |
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| 引用本文： | 张剑飞,王艳涛,程杰.大规模三维地形的生成和漫游[J].哈尔滨理工大学学报,2010,15(2):28-30,34. |
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| 作者姓名： | 张剑飞 王艳涛 程杰 |
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| 作者单位： | 1. 黑龙江科技学院,计算机与信息工程学院,黑龙江,哈尔滨,150027;东北林业大学,林业与木工机械工程技术中心,黑龙江,哈尔滨150040
2. 黑龙江科技学院,计算机与信息工程学院,黑龙江,哈尔滨,150027 |
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| 基金项目： | 国家自然科学基金，黑龙江科技学院引进人才科研启动项目 |
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| 摘 要： | 基于分块分层的地形LOD模型算法,结合视点相关因素,大幅度简化了大规模地形复杂场景,实现了研究区域三维地形可视化的实时绘制.运用多线程处理机制,提高了地形漫游的效率与可视化效果.实验结果表明,文中算法具有处理数据量大、效率高、效果好等特点.
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| 关 键 词： | 三维地形 细节层次模型 视点相关 多线程 漫游 |
Large Scale 3D Terrain's Generation and Walkthrough |
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| ZHANG Jian-fei,WANG Yan-tao,CHENG Jie.Large Scale 3D Terrain's Generation and Walkthrough[J].Journal of Harbin University of Science and Technology,2010,15(2):28-30,34. |
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| Authors: | ZHANG Jian-fei WANG Yan-tao CHENG Jie |
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| Affiliation: | 1.College of Computer and Information Engineering,Heilongjiang University of Science and Technology,Harbin 150027,China;2.Forestry and Wood Working Mechanical Engineering Technology Center,Northeast Forestry University,Harbin 150040,China) |
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| Abstract: | Utilizing terrain LOD modeling algorithm based on segmentlayer and incorporating the factor of view-dependent,the paper simplifies the complex scene of large-scale terrain and realize the 3D terrain visualization real-time drawing for researched area.With the aid of multithread-processing mechanism,the efficiency of terrain walkthrough and the visualization effect are enhanced.The experimental result shows that the algorithm has many features,including high-capacity of data processing,high efficiency,fine effect,etc. |
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| Keywords: | 3D terrain level of detail view-dependent multi-threads walkthrough |
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