#include <iostream>
#include <pcl/io/pcd_io.h>
#include <pcl/point_types.h>
#include <pcl/ModelCoefficients.h>
#include <pcl/filters/project_inliers.h>
int main(int argc, char** argv)
{
pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>);
pcl::PointCloud<pcl::PointXYZ>::Ptr cloud_projected(new pcl::PointCloud<pcl::PointXYZ>);
// Fill in the cloud data
cloud->width = 5;
cloud->height = 1;
cloud->points.resize(cloud->width * cloud->height);
for (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 = 1024 * rand() / (RAND_MAX + 1.0f);
}
std::cerr << "Cloud before projection: " << 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;
// 定義模型系數對象,并填充對應的資料Create a set of planar coefficients with X=Y=0,Z=1
pcl::ModelCoefficients::Ptr coefficients(new pcl::ModelCoefficients());
coefficients->values.resize(4);
coefficients->values[0] = 0;
coefficients->values[1] = 0;
coefficients->values[2] = 1;
coefficients->values[3] = 0;
// Create the filtering object
pcl::ProjectInliers<pcl::PointXYZ> proj;//建立投影濾波對象
proj.setModelType(pcl::SACMODEL_PLANE);//設定對象對應的投影模型
proj.setInputCloud(cloud);//設定輸入點雲
proj.setModelCoefficients(coefficients);//設定模型對應的系數
proj.filter(*cloud_projected);//執行投影濾波存儲結果cloud_projected
std::cerr << "Cloud after projection: " << std::endl;
for (size_t i = 0; i < cloud_projected->points.size(); ++i)
std::cerr << " " << cloud_projected->points[i].x << " "
<< cloud_projected->points[i].y << " "
<< cloud_projected->points[i].z << std::endl;
getchar();
return 0;
}
輸出結果截圖
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