thirdParty/PCL 1.12.0/include/pcl-1.12/pcl/surface/impl/reconstruction.hpp

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#ifndef PCL_SURFACE_RECONSTRUCTION_IMPL_H_
#define PCL_SURFACE_RECONSTRUCTION_IMPL_H_

#include <pcl/conversions.h> // for toPCLPointCloud2
#include <pcl/search/kdtree.h> // for KdTree
#include <pcl/search/organized.h> // for OrganizedNeighbor


namespace pcl
{

template <typename PointInT> void
SurfaceReconstruction<PointInT>::reconstruct (pcl::PolygonMesh &output)
{
  // Copy the header
  output.header = input_->header;

  if (!initCompute ())
  {
    output.cloud.width = output.cloud.height = 0;
    output.cloud.data.clear ();
    output.polygons.clear ();
    return;
  }

  // Check if a space search locator was given
  if (check_tree_)
  {
    if (!tree_)
    {
      if (input_->isOrganized ())
        tree_.reset (new pcl::search::OrganizedNeighbor<PointInT> ());
      else
        tree_.reset (new pcl::search::KdTree<PointInT> (false));
    }

    // Send the surface dataset to the spatial locator
    tree_->setInputCloud (input_, indices_);
  }

  // Set up the output dataset
  pcl::toPCLPointCloud2 (*input_, output.cloud); /// NOTE: passing in boost shared pointer with * as const& should be OK here
  output.polygons.clear ();
  output.polygons.reserve (2*indices_->size ()); /// NOTE: usually the number of triangles is around twice the number of vertices
  // Perform the actual surface reconstruction
  performReconstruction (output);

  deinitCompute ();
}


template <typename PointInT> void
SurfaceReconstruction<PointInT>::reconstruct (pcl::PointCloud<PointInT> &points,
                                              std::vector<pcl::Vertices> &polygons)
{
  // Copy the header
  points.header = input_->header;

  if (!initCompute ())
  {
    points.width = points.height = 0;
    points.clear ();
    polygons.clear ();
    return;
  }

  // Check if a space search locator was given
  if (check_tree_)
  {
    if (!tree_)
    {
      if (input_->isOrganized ())
        tree_.reset (new pcl::search::OrganizedNeighbor<PointInT> ());
      else
        tree_.reset (new pcl::search::KdTree<PointInT> (false));
    }

    // Send the surface dataset to the spatial locator
    tree_->setInputCloud (input_, indices_);
  }

  // Set up the output dataset
  polygons.clear ();
  polygons.reserve (2 * indices_->size ()); /// NOTE: usually the number of triangles is around twice the number of vertices
  // Perform the actual surface reconstruction
  performReconstruction (points, polygons);

  deinitCompute ();
}


template <typename PointInT> void
MeshConstruction<PointInT>::reconstruct (pcl::PolygonMesh &output)
{
  // Copy the header
  output.header = input_->header;

  if (!initCompute ())
  {
    output.cloud.width = output.cloud.height = 1;
    output.cloud.data.clear ();
    output.polygons.clear ();
    return;
  }

  // Check if a space search locator was given
  if (check_tree_)
  {
    if (!tree_)
    {
      if (input_->isOrganized ())
        tree_.reset (new pcl::search::OrganizedNeighbor<PointInT> ());
      else
        tree_.reset (new pcl::search::KdTree<PointInT> (false));
    }

    // Send the surface dataset to the spatial locator
    tree_->setInputCloud (input_, indices_);
  }

  // Set up the output dataset
  pcl::toPCLPointCloud2 (*input_, output.cloud); /// NOTE: passing in boost shared pointer with * as const& should be OK here
  //  output.polygons.clear ();
  //  output.polygons.reserve (2*indices_->size ()); /// NOTE: usually the number of triangles is around twice the number of vertices
  // Perform the actual surface reconstruction
  performReconstruction (output);

  deinitCompute ();
}


template <typename PointInT> void
MeshConstruction<PointInT>::reconstruct (std::vector<pcl::Vertices> &polygons)
{
  if (!initCompute ())
  {
    polygons.clear ();
    return;
  }

  // Check if a space search locator was given
  if (check_tree_)
  {
    if (!tree_)
    {
      if (input_->isOrganized ())
        tree_.reset (new pcl::search::OrganizedNeighbor<PointInT> ());
      else
        tree_.reset (new pcl::search::KdTree<PointInT> (false));
    }

    // Send the surface dataset to the spatial locator
    tree_->setInputCloud (input_, indices_);
  }

  // Set up the output dataset
  //polygons.clear ();
  //polygons.reserve (2 * indices_->size ()); /// NOTE: usually the number of triangles is around twice the number of vertices
  // Perform the actual surface reconstruction
  performReconstruction (polygons);

  deinitCompute ();
}

} // namespace pcl

#endif  // PCL_SURFACE_RECONSTRUCTION_IMPL_H_