| 计算机绘制圆球及阴影水平斜轴测图 |
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| 引用本文： | 罗敏雪. 计算机绘制圆球及阴影水平斜轴测图[J]. 合肥学院学报(自然科学版), 2005, 15(2): 16-19 |
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| 作者姓名： | 罗敏雪 |
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| 作者单位： | 安徽建筑工业学院,机电工程系,合肥,230022 |
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| 摘 要： | 目前的绘图软件不能绘制斜轴测图。在工程图中,斜轴测图是很有用的。用传统的手工作图方法绘圆球及阴影的水平斜轴测图,只能在特殊光线方向下,用近似方法绘制,且作图非常麻烦。对于任意方向的光线,作图很难完成。给出了用计算机绘制在任定投影方向,任定光线方向下,圆球及其阴影的水平斜轴测图的方法;并讨论其阴线可见性的分界点和阴线可见部分的判断方法。
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| 关 键 词： | 圆球的阴影 水平斜轴测图 光线方向 可见性判别 |
| 文章编号： | 1672-920X(2005)02-0016-04 |
| 修稿时间： | 2005-04-20 |
The Algorithm of Horizotal Obligue Axonometric Projection of Shade and Shadow on Spheric Surface |
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| LUO Min-xue. The Algorithm of Horizotal Obligue Axonometric Projection of Shade and Shadow on Spheric Surface[J]. Journal of Hefei University(Natural Sciences Edition), 2005, 15(2): 16-19 |
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| Authors: | LUO Min-xue |
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| Abstract: | Drawing software can not draw oblique axonometric drawing at the present. In engineering, oblique axonometric drawing is useful. Orthodox hand draw, horizotal oblique axonometric projection of Shade and Shadow on Spheric Surface ,and can be drawn only for special light ray and by approximate way. In this paper, we draw horizotal obligue axonometric projection of shade and shadow on spheric surface for light rays and projection way in different directions by computer drawing. |
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| Keywords: | shade and shadow of spheric surface horizotal obligue axonometric drawing light rays visibility |
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