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/*
* Software License Agreement (BSD License)
*
* Point Cloud Library (PCL) - www.pointclouds.org
* Copyright (c) 2012-, Open Perception, Inc.
*
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#ifndef PCL_SEARCH_SEARCH_IMPL_HPP_
#define PCL_SEARCH_SEARCH_IMPL_HPP_
#include <pcl/search/search.h>
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT>
pcl::search::Search<PointT>::Search (const std::string& name, bool sorted)
: input_ ()
, sorted_results_ (sorted)
, name_ (name)
{
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> const std::string&
pcl::search::Search<PointT>::getName () const
{
return (name_);
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> void
pcl::search::Search<PointT>::setSortedResults (bool sorted)
{
sorted_results_ = sorted;
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> bool
pcl::search::Search<PointT>::getSortedResults ()
{
return (sorted_results_);
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> void
pcl::search::Search<PointT>::setInputCloud (
const PointCloudConstPtr& cloud, const IndicesConstPtr &indices)
{
input_ = cloud;
indices_ = indices;
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> int
pcl::search::Search<PointT>::nearestKSearch (
const PointCloud &cloud, index_t index, int k,
Indices &k_indices, std::vector<float> &k_sqr_distances) const
{
assert (index >= 0 && index < static_cast<index_t> (cloud.size ()) && "Out-of-bounds error in nearestKSearch!");
return (nearestKSearch (cloud[index], k, k_indices, k_sqr_distances));
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> int
pcl::search::Search<PointT>::nearestKSearch (
index_t index, int k,
Indices &k_indices,
std::vector<float> &k_sqr_distances) const
{
if (!indices_)
{
assert (index >= 0 && index < static_cast<index_t> (input_->size ()) && "Out-of-bounds error in nearestKSearch!");
return (nearestKSearch ((*input_)[index], k, k_indices, k_sqr_distances));
}
assert (index >= 0 && index < static_cast<index_t> (indices_->size ()) && "Out-of-bounds error in nearestKSearch!");
if (index >= static_cast<index_t> (indices_->size ()) || index < 0)
return (0);
return (nearestKSearch ((*input_)[(*indices_)[index]], k, k_indices, k_sqr_distances));
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> void
pcl::search::Search<PointT>::nearestKSearch (
const PointCloud& cloud, const Indices& indices,
int k, std::vector<Indices>& k_indices,
std::vector< std::vector<float> >& k_sqr_distances) const
{
if (indices.empty ())
{
k_indices.resize (cloud.size ());
k_sqr_distances.resize (cloud.size ());
for (std::size_t i = 0; i < cloud.size (); i++)
nearestKSearch (cloud, static_cast<index_t> (i), k, k_indices[i], k_sqr_distances[i]);
}
else
{
k_indices.resize (indices.size ());
k_sqr_distances.resize (indices.size ());
for (std::size_t i = 0; i < indices.size (); i++)
nearestKSearch (cloud, indices[i], k, k_indices[i], k_sqr_distances[i]);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> int
pcl::search::Search<PointT>::radiusSearch (
const PointCloud &cloud, index_t index, double radius,
Indices &k_indices, std::vector<float> &k_sqr_distances,
unsigned int max_nn) const
{
assert (index >= 0 && index < static_cast<index_t> (cloud.size ()) && "Out-of-bounds error in radiusSearch!");
return (radiusSearch(cloud[index], radius, k_indices, k_sqr_distances, max_nn));
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> int
pcl::search::Search<PointT>::radiusSearch (
index_t index, double radius, Indices &k_indices,
std::vector<float> &k_sqr_distances, unsigned int max_nn ) const
{
if (!indices_)
{
assert (index >= 0 && index < static_cast<index_t> (input_->size ()) && "Out-of-bounds error in radiusSearch!");
return (radiusSearch ((*input_)[index], radius, k_indices, k_sqr_distances, max_nn));
}
assert (index >= 0 && index < static_cast<index_t> (indices_->size ()) && "Out-of-bounds error in radiusSearch!");
return (radiusSearch ((*input_)[(*indices_)[index]], radius, k_indices, k_sqr_distances, max_nn));
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> void
pcl::search::Search<PointT>::radiusSearch (
const PointCloud& cloud,
const Indices& indices,
double radius,
std::vector<Indices>& k_indices,
std::vector< std::vector<float> > &k_sqr_distances,
unsigned int max_nn) const
{
if (indices.empty ())
{
k_indices.resize (cloud.size ());
k_sqr_distances.resize (cloud.size ());
for (std::size_t i = 0; i < cloud.size (); i++)
radiusSearch (cloud, static_cast<index_t> (i), radius,k_indices[i], k_sqr_distances[i], max_nn);
}
else
{
k_indices.resize (indices.size ());
k_sqr_distances.resize (indices.size ());
for (std::size_t i = 0; i < indices.size (); i++)
radiusSearch (cloud,indices[i],radius,k_indices[i],k_sqr_distances[i], max_nn);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointT> void
pcl::search::Search<PointT>::sortResults (
Indices& indices, std::vector<float>& distances) const
{
Indices order (indices.size ());
for (std::size_t idx = 0; idx < order.size (); ++idx)
order [idx] = static_cast<index_t> (idx);
Compare compare (distances);
sort (order.begin (), order.end (), compare);
Indices sorted (indices.size ());
for (std::size_t idx = 0; idx < order.size (); ++idx)
sorted [idx] = indices[order [idx]];
indices = sorted;
// sort the according distances.
sort (distances.begin (), distances.end ());
}
#define PCL_INSTANTIATE_Search(T) template class PCL_EXPORTS pcl::search::Search<T>;
#endif //#ifndef _PCL_SEARCH_SEARCH_IMPL_HPP_