PCD数据是Point Cloud Library（PCL）开发库的数据类型，大家如果使用点云开发的话，需要用到这些数据作为示例。-PCD (Point Cloud Data) file format is used inside Point Cloud Library (PCL). The PCD file format is not meant to reinvent the wheel, but rather to complement existing file formats

pcd点云文件格式，在pcl点云库中实现两个pcd文件的点云配准-pcd point cloud file formats to achieve two pcd file in the library pcl point cloud point cloud registration