area_picking_event.h

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#pragma once
 
#include <pcl/pcl_macros.h>
 
namespace pcl
{
  namespace visualization
  {
    /** /brief Class representing 3D area picking events. */
    class PCL_EXPORTS AreaPickingEvent
    {
      public:
        AreaPickingEvent (int nb_points, const pcl::Indices& indices)
          : nb_points_ (nb_points)
          , indices_ (indices)
        {}
 
        /** \brief For situations where a whole are is selected, return the points indices.
          * \param[out] indices indices of the points under the area selected by user.
          * \return true, if the area selected by the user contains points, false otherwise
          */
        inline bool
        getPointsIndices (pcl::Indices& indices) const
        {
          if (nb_points_ <= 0)
            return (false);
          indices = indices_;
          return (true);
        }
 
      private:
        int nb_points_;
        pcl::Indices indices_;
    };
  } //namespace visualization
} //namespace pcl