| 矿物晶体形态的计算机绘图的消隐处理 |
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| 引用本文： | 周芬娜,王文魁.矿物晶体形态的计算机绘图的消隐处理[J].武汉大学学报(工学版),1997(4). |
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| 作者姓名： | 周芬娜 王文魁 |
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| 作者单位： | 《武汉水利电力大学学报》编辑部(周芬娜)，中国地质大学(王文魁) |
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| 摘 要： | 根据图形消隐的基本原理，针对心射极平投影的特点，使用线、面比较法在极平投影面上判断晶面的可见性，进而消除矿物晶体形态图中的隐藏线．此方法简捷、可行，计算量较小．
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| 关 键 词： | 矿物 晶体形态 计算机绘图 消隐处理 极平投影 |
The Hidden Line Processing of Computer Graphics on Mineral Crystal Shape |
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| Wang Wenkui.The Hidden Line Processing of Computer Graphics on Mineral Crystal Shape[J].Engineering Journal of Wuhan University,1997(4). |
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| Authors: | Wang Wenkui |
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| Affiliation: | China University of Geosciences |
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| Abstract: | According to the principle of hidden line on computer graphics and V.Goldschmidt's gnomonic projection,a method of comparison with line and face about the identified visibility of the crystal face on gnomonic plane is given to search hidden line of mineral crystal shape.The method which is simple and feasible decreases a large quantity of calculation. |
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| Keywords: | mineral crystal shape computer graphics hidden line processing gnomonic projection |
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