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一种多源特征阵列生成算法

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Keywords: 几何造型,特征造型,阵列,集合运算

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Abstract:

为解决特定特征定义下的多源特征阵列问题,提出一种基于碰撞检测的多源特征阵列生成算法。利用实例和单一实体的碰撞测试,得到连接实例和脱节实例,然后进行连接实例与单一实体的集合运算生成新体,再通过脱节实例与连接实例碰撞测试得到新的连接实例,从而生成正确的结果实体。该算法已在商业几何造型系统TiGems6.0中实现,简化了多源特征阵列的操作方式,克服了某些凸台实例被错误舍去的问题。最后,给出了实验结果。

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