| 圆透视曲线类型及相对视点画面的位置的分析 |
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| 引用本文： | 任征.圆透视曲线类型及相对视点画面的位置的分析[J].地球科学与环境学报,1999(Z1). |
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| 作者姓名： | 任征 |
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| 作者单位： | 西安公路交通大学建筑与环境工程系!西安710064 |
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| 摘 要： | 圆曲线的透视根据圆曲线相对视点、画面的位置不同，可以有五种结果，分别为直线、圆、椭圆、双曲线、抛物线
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| 关 键 词： | 圆曲线 视点 画面 特征方程 特征根 |
ANALYSIS OF PERSPECTIVE CURVE TYPES OF A CIRCLE AND THE POSITION OF THE CIRCLE RELATIVE TO THE VIEWING POINT AND PICTURE PLANE |
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| REN Zheng.ANALYSIS OF PERSPECTIVE CURVE TYPES OF A CIRCLE AND THE POSITION OF THE CIRCLE RELATIVE TO THE VIEWING POINT AND PICTURE PLANE[J].Journal of Earth Sciences and Environment,1999(Z1). |
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| Authors: | REN Zheng |
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| Abstract: | There are five kinds of curves when a circle is projected in perspective according to the positions of the circle relative to the picture plane and viewing point They are straight line, circle,ellipse, hyperbola and perabola |
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| Keywords: | circle viewing point picture plane characteristic equation characteristic root |
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