一种实现轮廓线重构的简易方法，其关键的步骤体现在相邻轮廓线的编织方法以及顶底层轮廓线的三角化上。并且用c++代码来实现之。-A simple method to realize contour reconstruction is the key step of the method, which is embodied in the knitting method of the adjacent contour line and the triangulation of the top bott