【摘要】 依据画法几何学和工程制图的投影原理 ,介绍了一种基于三视图的线框模型快速生成算法。算法首先根据三视图的二维节点信息生成空间顶点 ,然后根据二维节点间的连接关系和投影原理来直接确定空间顶点间的连接关系 ,最后消除空间冗余元素并连接具有连接关系的三维顶点形成空间线框模型。更多还原

【Abstract】 A straightforward approach that automatically reconstructs a wire frame model from three orthographic views is described in this paper. Firstly, all candidate 3 D vertices are generated from 2 D points in each of three orthographic views. Next, all possible connecting relationships between candidate 3 D vertices are established directly according to connecting relationships between 2 D points in each view, based on the properties of orthographic projection geometry. Then, redundant elements are detected and eliminated on the basis of the properties of regular shape in solid modeling system. Finally, each pair of 3 D vertices with connecting relationship is connected to form a wire frame model.更多还原