comparator.h

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#ifndef PCL_SEGMENTATION_COMPARATOR_H_
#define PCL_SEGMENTATION_COMPARATOR_H_

#include <pcl/point_cloud.h>

namespace pcl
{
  template <typename PointT>
  class Comparator
  {
    public:
      typedef pcl::PointCloud<PointT> PointCloud;
      typedef typename PointCloud::Ptr PointCloudPtr;
      typedef typename PointCloud::ConstPtr PointCloudConstPtr;

      typedef boost::shared_ptr<Comparator<PointT> > Ptr;
      typedef boost::shared_ptr<const Comparator<PointT> > ConstPtr;

      Comparator () : input_ ()
      {
      }
      
      virtual
      ~Comparator ()
      {
      }
      
      virtual void 
      setInputCloud (const PointCloudConstPtr& cloud)
      {
        input_ = cloud;
      }
      
      virtual PointCloudConstPtr
      getInputCloud () const
      {
        return (input_);
      }

      virtual bool
      compare (int idx1, int idx2) const = 0;
      
    protected:
      PointCloudConstPtr input_;
  };
}

#endif //#ifndef _PCL_SEGMENTATION_COMPARATOR_H_