利用点云数据拟合圆柱本文档通过对三维点云的圆柱拟合，得到圆柱的半径、圆柱轴线单位方向向量和轴线起始位置三个主要参数。-Use of point cloud data fitting cylindrical this document through the three dimensional point cloud cylinder fitting, get the radius of the cylinder, cylinder axis unit axis direction vector