| 提高船舶操纵模拟器视景成像效率的算法设计 |
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| 引用本文： | 施朝健.提高船舶操纵模拟器视景成像效率的算法设计[J].中国航海,1999(1):66-70. |
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| 作者姓名： | 施朝健 |
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| 作者单位： | 上海海运学院 |
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| 摘 要： | 本文介绍了在船舶模拟器开发设计中采用的提高视景成像效率的算法。特殊代码设置使得物标和图素与视域交界面的判断简便易行，利用物标裁剪预处理减轻了图素裁剪的计算量；通过简化的面方向判断计算和深度排序法改进了隐藏面消除的处理速度
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| 关 键 词： | 船舶操纵模拟器 计算机成像 三维图形 算法 |
Algorithms of Improving Efficiency of Image Generation for Ship handling Simulator |
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| Shi Chaojian.Algorithms of Improving Efficiency of Image Generation for Ship handling Simulator[J].Navigation of China,1999(1):66-70. |
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| Authors: | Shi Chaojian |
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| Institution: | Shanghai Maritime University |
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| Abstract: | This paper presents algorithms of improving the efficiency of image generation in developing shiphandling simulators. Special binary region codes are assigned for quick determination of cross sections of objects and primitives to the view port. Pre clipping of objects is carried out to reduce the clipping operation of graphic primitives. Operation of hidden surface removal is improved by simplified algorithms for back face detection and depth sorting. |
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| Keywords: | Shiphandling Simulator Computer Generated Image(CGI) Three Dimensional Graphics Algorithm |
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