}intmain(intargc,char**argv){PointCloud<PointXYZ>::Ptrcloud(newpcl::PointCloud<PointXYZ>);PointCloud<PointXYZ>::Ptrfiltered_cloud(newpcl::PointCloud<PointXYZ>);io::loadPCDFile("room_scan1.pcd",*cloud);// 输出滤波前点的个数cout<<"滤波前有:"<<cloud->points.size()<<"个点"<<endl;...