《PCL点云库学习VS2010(X64)》Part 17 PCL1.72（VTK6.2.0）数据格式转换txt2pcd

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《PCL点云库学习&VS2010(X64)》Part 17 PCL1.72（VTK6.2.0）数据格式转换txt2pcd

1、txt转换成pcd点云格式

#include<iostream>  #include<fstream>  
#include <string>  
#include <vector>  
#include <pcl/io/pcd_io.h>  
#include <pcl/point_types.h>  #include <pcl/visualization/pcl_visualizer.h> using namespace std;
int main()
{typedef struct tagPOINT_3D{double x;  //mm world coordinate x  double y;  //mm world coordinate y  double z;  //mm world coordinate z  double r;}POINT_WORLD;/加载txt数据  int number_Txt;FILE *fp_txt;tagPOINT_3D TxtPoint;vector<tagPOINT_3D> m_vTxtPoints;fp_txt = fopen("D:/C++Workspace/Model/bunny1.txt", "r");if (fp_txt){while (fscanf(fp_txt, "%lf %lf %lf", &TxtPoint.x, &TxtPoint.y, &TxtPoint.z) != EOF){m_vTxtPoints.push_back(TxtPoint);}}elsecout << "txt数据加载失败！" << endl;number_Txt = m_vTxtPoints.size();//pcl::PointCloud<pcl::PointXYZ> cloud;pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>);// Fill in the cloud data  cloud->width = number_Txt;cloud->height = 1;cloud->is_dense = false;cloud->points.resize(cloud->width * cloud->height);for (size_t i = 0; i < cloud->points.size(); ++i){cloud->points[i].x = m_vTxtPoints[i].x;cloud->points[i].y = m_vTxtPoints[i].y;cloud->points[i].z = m_vTxtPoints[i].z;}pcl::io::savePCDFileASCII("D:/C++Workspace/Model/txt2pcd_bunny1.pcd", *cloud);std::cerr << "Saved " << cloud->points.size() << " data points to txt2pcd.pcd." << std::endl;//for (size_t i = 0; i < cloud.points.size(); ++i)//	std::cerr << "    " << cloud.points[i].x << " " << cloud.points[i].y << " " << cloud.points[i].z << std::endl;//PCL Visualizer// Viewer  pcl::visualization::PCLVisualizer viewer("Cloud Viewer");viewer.addPointCloud(cloud);viewer.setBackgroundColor(1, 0.5, 1);viewer.spin();system("pause");return 0;
}

将转换后的结果显示出来