| 基于似三棱柱构模的三维地质体的剖切 |
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| 引用本文： | 洪雄,ZHANG Jian-xun,曾庆森.基于似三棱柱构模的三维地质体的剖切[J].计算机工程与设计,2008,29(15). |
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| 作者姓名： | 洪雄 ZHANG Jian-xun 曾庆森 |
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| 作者单位： | 重庆工学院,计算机科学与工程学院,重庆,400050 |
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| 基金项目： | 重庆市自然科学基金，重庆工学院青年教师科研启动基金 |
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| 摘 要： | 根据地质体的层状特征和钻孔数据的特殊性,采用似三棱柱体作为基本体元构建三维实体模型.对三维实体的剖切能显示实体的内部细节.基于对话框模式的交互方式,采用旋转平面法矢量的方法确定任意剖切平面,并提出多边形拼接实体剖切截面的方法.该方法加快了三维实体剖切截面的显示速度,并在实际工程项目中得到了具体应用.
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| 关 键 词： | 三维可视化 似三棱柱 交互技术 剖切截面 三角片 多边形拼接 |
Research on section of 3D geological model based on similar tri-prism |
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| HONG Xiong,ZHANG Jian-xun,ZENG Qing-sen.Research on section of 3D geological model based on similar tri-prism[J].Computer Engineering and Design,2008,29(15). |
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| Authors: | HONG Xiong ZHANG Jian-xun ZENG Qing-sen |
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| Affiliation: | HONG Xiong,ZHANG Jian-xun,ZENG Qing-sen(School of Computer Science , Engineering,Chongqing Institute of Technology,Chongqing 400050,China) |
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| Abstract: | Build 3D geological model according to the layer-structured stratum and the particularity of the bore data.Sectioning three-dimensional entity can show its interior details.Based on dialog box interactive mode provide freeform section planes by rotating vector.And a method to build section plane by polygonal splitting joint is put forward.The method speeds up the rendering of three-dimensional section.And the method is being applied to real project. |
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| Keywords: | three-dimensional visualization similar tri-prism interaction techniques section plane triangular plate polygonal splitting joint |
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