获取多种图形匹配算法的性能数据，从量上展示出比例缩放匹配算法的超高性能。
Investigate the performance data of different graphics matching algorithms, and dramatically show high acceleration after adopting graphics scaling matching algorithm.
涉及了图形离散化算法、最优匹配算法和碰撞检测算法，并且给出了最终的排样效果图。
Contour-discretization algorithm, best-matching algorithm and collision-detection algorithm have been involved. At last, the final nesting result is showed.
提出了一种基于特征的动态滑动匹配算法，用于从零件CAD产生的图形交换文件中识别基孔类型、提取基孔的形位参数。
A feature based dynamic slide match method for recognizing holes type extracting holes shape and location parameters from CAD exchange files is propsed.
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