摘要
在分析传统模型重建方法缺陷的基础上,结合快速成型中的分层原理,将散乱数据点云分层结构化,提出采用直线同伦法提取中间轮廓线作为数据精简的参考,确定层片信息,然后由建模软件根据层片信息进行三维建模。该方法避免了建模过程中冗长的曲面拟合、特征丢失等问题,简化了建模步骤,节省了建模的时间。
Based on the analysis of traditional methods in model reconstruction, a new method was put forward,which combined with laminating theory in Rapid Modeling. Scattered point cloud was delaminated, then middle contour line was picked up by line homotopy method. The boundary feature can be used to built the CAD model. The method saves the time of modeling.
出处
《现代机械》
2008年第4期44-46,共3页
Modern Machinery
关键词
模型重建
数据精简
直线同伦法
分层原理
model reconstruction
data dealing
line homotopy
laminating theory
