io.h

/*
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 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2010, Willow Garage, Inc.
 *  Copyright (c) 2012-, Open Perception, Inc.
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#pragma once
 
#include <pcl/visualization/common/actor_map.h>
 
class vtkPolyData;
 
namespace pcl
{
  namespace visualization
  {
    /** \brief Obtain a list of corresponding indices, for a set of vtk points, 
      * from a pcl::PointCloud
      * \param src the set of vtk points
      * \param tgt the target pcl::PointCloud that we need to obtain indices from
      * \param indices the resultant list of indices
      * \ingroup visualization
      */
    PCL_EXPORTS void 
    getCorrespondingPointCloud (vtkPolyData *src, const pcl::PointCloud<pcl::PointXYZ> &tgt, pcl::Indices &indices);
 
    /** \brief Saves the vtk-formatted Point Cloud data into a set of files, based on whether
      * the data comes from previously loaded PCD files. The PCD files are matched using the 
      * a list of names for the actors on screen.
      * \param data the vtk data
      * \param out_file the output file (extra indices will be appended to it)
      * \param actors the list of actors present on screen
      * \ingroup visualization
      */
    PCL_EXPORTS bool 
    savePointData (vtkPolyData* data, const std::string &out_file, const CloudActorMapPtr &actors);
  }
}