| 基于离散点的点域绘制方法 |
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| 引用本文： | 冯月萍,钟慧湘,高玉双,庞云阶. 基于离散点的点域绘制方法[J]. 吉林大学学报(理学版), 2004, 42(1): 84-87 |
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| 作者姓名： | 冯月萍 钟慧湘 高玉双 庞云阶 |
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| 作者单位： | 吉林大学计算机科学与技术学院,长春,130012;长春汽车工业高等专科学校,长春,130011 |
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| 基金项目： | 教育部博士点基金(批准号:20010183041). |
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| 摘 要： | 研究以离散的点构造三维物体的几何模型, 以每个离散点为圆心, 构造不同半径的圆, 覆盖在三维几何模型表面, 从而绘制该几何模型表示的几何物体的真实感图形. 该方法与传统的多边形网格方法相比, 具有存储量小、 计算量小、 易于实现的特点.
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| 关 键 词： | 离散点造型 点域 曲面剖分 多边形网格 |
| 文章编号： | 1671-5489(2004)01-0084-04 |
| 收稿时间： | 2003-07-10 |
| 修稿时间： | 2003-07-10 |
Point-field draw method based on discrete points |
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| FENG Yue-ping,ZHONG Hui-xiang,GAO Yu-shuang,PANG Yun-jie. Point-field draw method based on discrete points[J]. Journal of Jilin University: Sci Ed, 2004, 42(1): 84-87 |
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| Authors: | FENG Yue-ping ZHONG Hui-xiang GAO Yu-shuang PANG Yun-jie |
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| Affiliation: | 1. College of Computer Science and Technology, Jilin University, Changchun 130012, China;2. Changchun Institute of Automobile Industry, Changchun 130011, China |
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| Abstract: | A new method based on discrete points is proposed to model 3-D objects. Balls, which center at these discrete points and have different radiuses, were used to cover the surfaces of the objects to render the objects with realism. Compared with the classic mesh-based method, our method has the advantages of low storage, low calculation cost and implementation facilitation. |
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| Keywords: | discrete point modeling point-field surface partition polygonal mesh |
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