版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/GreenHandCGL/article/details/81774229
1、创建点云数据指针变量,头文件:
#include <pcl/point_cloud.h> #include <pcl/point_types.h>
pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>);
pcl::io::loadPCDFile("~/filename.pcd", *cloud);
2、创建点云视窗
#include <pcl/visualization/pcl_visualizer.h>
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer;
3、把点云显示在视窗中
viewer->addPointCloud<pcl::PointXYZ>(cloud, "cloud");
//设置点云大小
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 1, "cloud");
4、连线(在点之间添加线段)
for (int i = 0; i <= cloud->size() - 1; i++){
if (i == cloud->size() - 1){
viewer->addLine(cloud->points[i], cloud->points[0], 1, 0, 0, std::to_string(-(i+1)));
viewer->setShapeRenderingProperties(pcl::visualization::PCL_VISUALIZER_LINE_WIDTH, 2, std::to_string(-(i+1)));
continue;
}
viewer->addLine(cloud->points[i], cloud->points[i+1], 1, 0, 0, std::to_string(-(i+1)));
viewer->setShapeRenderingProperties(pcl::visualization::PCL_VISUALIZER_LINE_WIDTH, 2, std::to_string(-(i+1)));
}
首尾相连
viewer->addLine(cloud->points[a], cloud->points[b], R, G, B, "id");
在点a和点b之间画一条线段,颜色R, G, B,和面的字符串是id;
viewer->setShapeRenderingProperties(pcl::visualization::PCL_VISUALIZER_LINE_WIDTH, 2, “id”);
设置线段"id"的粗细