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#include <pcl/features/rops_estimation.h>
#include <pcl/io/pcd_io.h>
int main (int argc, char** argv)
{
if (argc != 4)
return (-1);
pcl::PointCloud<pcl::PointXYZ>::Ptr cloud (new pcl::PointCloud<pcl::PointXYZ> ());
if (pcl::io::loadPCDFile (argv[1], *cloud) == -1)
return (-1);
pcl::PointIndicesPtr indices = boost::shared_ptr <pcl::PointIndices> (new pcl::PointIndices ());
std::ifstream indices_file;
indices_file.open (argv[2], std::ifstream::in);
for (std::string line; std::getline (indices_file, line);)
{
std::istringstream in (line);
unsigned int index = 0;
in >> index;
indices->indices.push_back (index - 1);
}
indices_file.close ();
std::vector <pcl::Vertices> triangles;
std::ifstream triangles_file;
triangles_file.open (argv[3], std::ifstream::in);
for (std::string line; std::getline (triangles_file, line);)
{
pcl::Vertices triangle;
std::istringstream in (line);
unsigned int vertex = 0;
in >> vertex;
triangle.vertices.push_back (vertex - 1);
in >> vertex;
triangle.vertices.push_back (vertex - 1);
in >> vertex;
triangle.vertices.push_back (vertex - 1);
triangles.push_back (triangle);
}
float support_radius = 0.0285f;
unsigned int number_of_partition_bins = 5;
unsigned int number_of_rotations = 3;
pcl::search::KdTree<pcl::PointXYZ>::Ptr search_method (new pcl::search::KdTree<pcl::PointXYZ>);
search_method->setInputCloud (cloud);
pcl::ROPSEstimation <pcl::PointXYZ, pcl::Histogram <135> > feature_estimator;
feature_estimator.setSearchMethod (search_method);
feature_estimator.setSearchSurface (cloud);
feature_estimator.setInputCloud (cloud);
feature_estimator.setIndices (indices);
feature_estimator.setTriangles (triangles);
feature_estimator.setRadiusSearch (support_radius);
feature_estimator.setNumberOfPartitionBins (number_of_partition_bins);
feature_estimator.setNumberOfRotations (number_of_rotations);
feature_estimator.setSupportRadius (support_radius);
pcl::PointCloud<pcl::Histogram <135> >::Ptr histograms (new pcl::PointCloud <pcl::Histogram <135> > ());
feature_estimator.compute (*histograms);
return (0);
}
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