/*
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 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2010-2012, Willow Garage, Inc.
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#pragma once

#include <Eigen/Core>
#include <vector>
#include <pcl/segmentation/planar_region.h>

namespace pcl
{
  /** \brief PlanarPolygonFusion takes a list of 2D planar polygons and
    * attempts to reduce them to a minimum set that best represents the scene,
    * based on various given comparators.
    */
  template <typename PointT>
  class PlanarPolygonFusion
  {
    public:
      /** \brief Constructor */
      PlanarPolygonFusion () : regions_ () {}
     
      /** \brief Destructor */
      virtual ~PlanarPolygonFusion () {}

      /** \brief Reset the state (clean the list of planar models). */
      void 
      reset ()
      {
        regions_.clear ();
      }
      
      /** \brief Set the list of 2D planar polygons to refine.
        * \param[in] input the list of 2D planar polygons to refine
        */
      void
      addInputPolygons (const std::vector<PlanarRegion<PointT>, Eigen::aligned_allocator<PlanarRegion<PointT> > > &input)
      {
        int start = static_cast<int> (regions_.size ());
        regions_.resize (regions_.size () + input.size ());
        for(std::size_t i = 0; i < input.size (); i++)
          regions_[start+i] = input[i];
      }

    protected:
      /** \brief Internal list of planar states. */
      std::vector<pcl::PlanarRegion<PointT>, Eigen::aligned_allocator<pcl::PlanarRegion<PointT> > > regions_;
  };
}

#ifdef PCL_NO_PRECOMPILE
#include <pcl/segmentation/impl/planar_polygon_fusion.hpp>
#endif