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4.1 KiB
C++

/*
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*
* Point Cloud Library (PCL) - www.pointclouds.org
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* $Id$
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#ifndef PCL_FEATURES_IMPL_NORMAL_3D_H_
#define PCL_FEATURES_IMPL_NORMAL_3D_H_
#include <pcl/features/normal_3d.h>
///////////////////////////////////////////////////////////////////////////////////////////
template <typename PointInT, typename PointOutT> void
pcl::NormalEstimation<PointInT, PointOutT>::computeFeature (PointCloudOut &output)
{
// Allocate enough space to hold the results
// \note This resize is irrelevant for a radiusSearch ().
pcl::Indices nn_indices (k_);
std::vector<float> nn_dists (k_);
output.is_dense = true;
// Save a few cycles by not checking every point for NaN/Inf values if the cloud is set to dense
if (input_->is_dense)
{
// Iterating over the entire index vector
for (std::size_t idx = 0; idx < indices_->size (); ++idx)
{
if (this->searchForNeighbors ((*indices_)[idx], search_parameter_, nn_indices, nn_dists) == 0 ||
!computePointNormal (*surface_, nn_indices, output[idx].normal[0], output[idx].normal[1], output[idx].normal[2], output[idx].curvature))
{
output[idx].normal[0] = output[idx].normal[1] = output[idx].normal[2] = output[idx].curvature = std::numeric_limits<float>::quiet_NaN ();
output.is_dense = false;
continue;
}
flipNormalTowardsViewpoint ((*input_)[(*indices_)[idx]], vpx_, vpy_, vpz_,
output[idx].normal[0], output[idx].normal[1], output[idx].normal[2]);
}
}
else
{
// Iterating over the entire index vector
for (std::size_t idx = 0; idx < indices_->size (); ++idx)
{
if (!isFinite ((*input_)[(*indices_)[idx]]) ||
this->searchForNeighbors ((*indices_)[idx], search_parameter_, nn_indices, nn_dists) == 0 ||
!computePointNormal (*surface_, nn_indices, output[idx].normal[0], output[idx].normal[1], output[idx].normal[2], output[idx].curvature))
{
output[idx].normal[0] = output[idx].normal[1] = output[idx].normal[2] = output[idx].curvature = std::numeric_limits<float>::quiet_NaN ();
output.is_dense = false;
continue;
}
flipNormalTowardsViewpoint ((*input_)[(*indices_)[idx]], vpx_, vpy_, vpz_,
output[idx].normal[0], output[idx].normal[1], output[idx].normal[2]);
}
}
}
#define PCL_INSTANTIATE_NormalEstimation(T,NT) template class PCL_EXPORTS pcl::NormalEstimation<T,NT>;
#endif // PCL_FEATURES_IMPL_NORMAL_3D_H_