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   | #include <pcl/point_types.h> #include <pcl/io/pcd_io.h> #include <pcl/io/ply_io.h> #include <pcl/kdtree/kdtree_flann.h> #include <pcl/features/normal_3d.h> #include <pcl/surface/marching_cubes_hoppe.h> #include <pcl/surface/marching_cubes_rbf.h> #include <pcl/surface/gp3.h> #include <pcl/visualization/pcl_visualizer.h> #include <boost/thread/thread.hpp> #include <fstream> #include <iostream> #include <stdio.h> #include <string.h> #include <string>
  int main (int argc, char** argv) { 	 	char tmpStr[100]; 	strcpy(tmpStr,argv[1]); 	char* pext = strrchr(tmpStr, '.'); 	std::string extply("ply"); 	std::string extpcd("pcd"); 	if(pext){ 		*pext='\0'; 		pext++; 	} 	std::string ext(pext); 	 	if (!((ext == extply)||(ext == extpcd))){ 		std::cout << "文件格式不支持!" << std::endl; 		std::cout << "支持文件格式:*.pcd和*.ply!" << std::endl; 		return(-1); 	}
  	   pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>) ;  	if (ext == extply){ 		if (pcl::io::loadPLYFile(argv[1] , *cloud) == -1){ 			PCL_ERROR("Could not read ply file!\n") ; 			return -1; 		} 	} 	else{ 		if (pcl::io::loadPCDFile(argv[1] , *cloud) == -1){ 			PCL_ERROR("Could not read pcd file!\n") ; 			return -1; 		} 	}
       pcl::NormalEstimation<pcl::PointXYZ, pcl::Normal> n;   pcl::PointCloud<pcl::Normal>::Ptr normals (new pcl::PointCloud<pcl::Normal>);   pcl::search::KdTree<pcl::PointXYZ>::Ptr tree (new pcl::search::KdTree<pcl::PointXYZ>);   tree->setInputCloud(cloud);   n.setInputCloud(cloud);   n.setSearchMethod(tree);   n.setKSearch(20);   n.compute (*normals);    
       pcl::PointCloud<pcl::PointNormal>::Ptr cloud_with_normals (new pcl::PointCloud<pcl::PointNormal>);   pcl::concatenateFields (*cloud, *normals, *cloud_with_normals);   
 
       pcl::search::KdTree<pcl::PointNormal>::Ptr tree2 (new pcl::search::KdTree<pcl::PointNormal>);   tree2->setInputCloud (cloud_with_normals);
     	pcl::MarchingCubes<pcl::PointNormal> *mc; 	mc = new pcl::MarchingCubesHoppe<pcl::PointNormal> (); 	
 
 
 
 
 
 
 
 
  	   pcl::PolygonMesh mesh;
       mc->setIsoLevel (0.0f);   mc->setGridResolution (50, 50, 50);   mc->setPercentageExtendGrid (0.0f);
       mc->setInputCloud (cloud_with_normals);
  	 	mc->reconstruct (mesh); 	 	 	pcl::io::savePLYFile("result.ply", mesh);
  	   boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer (new pcl::visualization::PCLVisualizer ("3D Viewer"));   viewer->setBackgroundColor (0, 0, 0);    viewer->addPolygonMesh(mesh,"my");    viewer->addCoordinateSystem (1.0);    viewer->initCameraParameters ();   while (!viewer->wasStopped ()){     viewer->spinOnce (100);     boost::this_thread::sleep (boost::posix_time::microseconds (100000));   }
    return (0); }
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