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posts - 419, comments - 576, trackbacks - 0, articles - 0

03 2013 档案

     摘要: 摘要Abstract:直接根据B样条的Cox-deBoor递推定义写出计算B样条基函数的程序,并将计算结果在OpenSceneGraph中显示。

关键字Key Words:B Spline Basis Functions、OpenSceneGraph

  阅读全文

posted @ 2013-03-27 10:27 eryar 阅读(10932) | 评论 (0)  编辑 |

     摘要:   君?#26377;?#38750;异也,善假于物也。
  在学习计算机辅助几何造型(CAGD)等内容时,总是想把NURBS曲线、曲面显示出来,这样才能领会其中的奥妙。而现在大部分的教材都只是给出定理及其相关性质的证明,编程实现曲线及曲面显示的书籍很少。
  OpenSceneGraph是使用OpenGL技术开发的一套C++编程接口,借助这个工具可以让程序员能够更加快速、便捷的创建高?#38405;堋?#36328;?#25945;?#30340;交互图形程序。使用OpenSceneGraph可以让程序员只关注其算法,显示部分都由OSG来完成。osgViewer完成了视图操作的大部分功能,如旋转、缩放、移动,另外还有统计功能。  阅读全文

posted @ 2013-03-23 21:56 eryar 阅读(1788) | 评论 (0)  编辑 |

     摘要: 摘要Abstract:本文主要是对《API Design for C++?#20998;蠪actory Methods章节的翻译,若有不当之处,欢迎指正。
关键字Key Words:C++、Factory Pattern、  阅读全文

posted @ 2013-03-22 21:20 eryar 阅读(5070) | 评论 (4)  编辑 |

     摘要: 摘要Abstract:以一个具体实例详细介绍AVEVA .Net中自定义?#35828;?#30340;原理及方法。掌握了自定义?#35828;?#30340;方法就可以对二次开发的程序进行分类和整理,便于用户使用。

关键字Key words:AVEVA .Net、Addin Commands、Menu Customisation、PDMS、二次开发  阅读全文

posted @ 2013-03-17 11:25 eryar 阅读(3819) | 评论 (1)  编辑 |

     摘要:   摘要Abstract:简要介绍Open Cascade中的B样条曲线库BSplCLib的使用方法,并且结合源程序来对Open Cascade中的B样条曲线的组成部分如节点矢量、重复度等概念进行介绍,以及通过对计算B样条基函数的算法进行分析,加深对B样条曲线概念的理解。  阅读全文

posted @ 2013-03-12 20:48 eryar 阅读(6138) | 评论 (1)  编辑 |

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快三3稳赚技巧钱绝招
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