getMinMax3D
该函数输入点云数据，将所有x y z中最小的值和x y z中最大的值输出到pcl::PointXYZ中。
#include <pcl/common/common.h>
int main()
{
pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>);
// Fill in the cloud data
cloud->width = 15;
cloud->height = 1;
cloud->points.resize(cloud->width * cloud->height);
// Generate the data
for (std::size_t i = 0; i < cloud->points.size(); ++i)
{
cloud->points[i].x = 1024 * rand() / (RAND_MAX + 1.0f);
cloud->points[i].y = 1024 * rand() / (RAND_MAX + 1.0f);
cloud->points[i].z = rand();
}
for (std::size_t i = 0; i < cloud->points.size(); ++i)
{
std::cout << " " << cloud->points[i].x << " " << cloud->points[i].y << " " << cloud->points[i].z << std::endl;
}
pcl::PointXYZ min_p, max_p;
pcl::getMinMax3D(*cloud, min_p, max_p);
std::cout << "min: " << min_p << " " << "max:" << max_p << std::endl;
}