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三维打印快速成型层面位图的生成算法
引用本文:刘厚才,莫健华,储爱民.三维打印快速成型层面位图的生成算法[J].工程图学学报,2009,30(5).
作者姓名:刘厚才  莫健华  储爱民
作者单位:1. 湖南科技大学机电工程学院,湖南,湘潭,411201;华中科技大学材料成形与模具技术国家重点实验室,湖北,武汉,430074
2. 华中科技大学材料成形与模具技术国家重点实验室,湖北,武汉,430074
3. 湖南科技大学机电工程学院,湖南,湘潭,411201
基金项目:湖北省自然科学基金资助项目 
摘    要:提出了新的基于轮廓边的快速求交算法,实现了快速成型系统中层面位图数据的生成.该算法不仅简单、效率高,而且可以处理求交过程中遇到的各种奇点问题,特别是用经典求交方法难以判断和处理的当扫描线通过带水平轮廓边的凸拐点和凹拐点带来的奇点问题.通过在自制的3DP快速成型样机上的试验运行,证明该算法有较好的鲁棒性.

关 键 词:计算机应用  层面位图生成算法  快速成型  求交算法

An Algorithm of Creating Layered Bitmap in Rapid Prototyping of Three Dimensional Printing
LIU Hou-cai,MO Jian-hua,CHU Ai-min.An Algorithm of Creating Layered Bitmap in Rapid Prototyping of Three Dimensional Printing[J].Journal of Engineering Graphics,2009,30(5).
Authors:LIU Hou-cai  MO Jian-hua  CHU Ai-min
Affiliation:LIU Hou-cai1,2,MO Jian-hua2,CHU Ai-min1(1.College of Electromechanical Engineering,Hunan University of Science and Technology,Xiangtan Hunan 411201,China,2.State Key Lab.of Material Processing and Die Technology,Huazhong University of Science and Technology,Wuhan Hubei 430074,China)
Abstract:A new algorithm of fast seeking intersection points on the contour edges is proposed,thus the data of layered contour can be generated for rapid prototyping system.The algorithm is not only simple and efficiency,but also can deal with the odd points problems,especially the convex and concave inflection points produced when the horizontal contour edge on the scan line,which is difficult to be distinguished and disposed by the classical algorithms.Through testing and running on the self-made rapid prototyping...
Keywords:computer application  algorithm of generating layered bitmap  rapid prototyping  algorithm of seeking intersection points  
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