correspondence_rejection_distance.h

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#ifndef PCL_REGISTRATION_CORRESPONDENCE_REJECTION_DISTANCE_H_
#define PCL_REGISTRATION_CORRESPONDENCE_REJECTION_DISTANCE_H_

#include <pcl/registration/correspondence_rejection.h>

namespace pcl
{
  namespace registration
  {
    class CorrespondenceRejectorDistance: public CorrespondenceRejector
    {
      using CorrespondenceRejector::input_correspondences_;
      using CorrespondenceRejector::rejection_name_;
      using CorrespondenceRejector::getClassName;

      public:

        CorrespondenceRejectorDistance () : max_distance_(std::numeric_limits<float>::max ()),
                                            data_container_ ()
        {
          rejection_name_ = "CorrespondenceRejectorDistance";
        }

        inline void 
        getRemainingCorrespondences (const pcl::Correspondences& original_correspondences, 
                                     pcl::Correspondences& remaining_correspondences);

        virtual inline void 
        setMaximumDistance (float distance) { max_distance_ = distance * distance; };

        inline float 
        getMaximumDistance () { return std::sqrt (max_distance_); };

        template <typename PointT> inline void 
        setInputCloud (const typename pcl::PointCloud<PointT>::ConstPtr &cloud)
        {
          if (!data_container_)
            data_container_.reset (new DataContainer<PointT>);
          boost::static_pointer_cast<DataContainer<PointT> > (data_container_)->setInputCloud (cloud);
        }

        template <typename PointT> inline void 
        setInputTarget (const typename pcl::PointCloud<PointT>::ConstPtr &target)
        {
          if (!data_container_)
            data_container_.reset (new DataContainer<PointT>);
          boost::static_pointer_cast<DataContainer<PointT> > (data_container_)->setInputTarget (target);
        }

      protected:

        inline void 
        applyRejection (pcl::Correspondences &correspondences)
        {
          getRemainingCorrespondences (*input_correspondences_, correspondences);
        }

        float max_distance_;

        typedef boost::shared_ptr<DataContainerInterface> DataContainerPtr;

        DataContainerPtr data_container_;
    };

  }
}

#include <pcl/registration/impl/correspondence_rejection_distance.hpp>

#endif /* PCL_REGISTRATION_CORRESPONDENCE_REJECTION_DISTANCE_H_ */