/usr/include/ITK-4.9/itkPointsLocator.hxx is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkPointsLocator_hxx
#define itkPointsLocator_hxx
#include "itkPointsLocator.h"
namespace itk
{
template<typename TPointsContainer>
PointsLocator<TPointsContainer>
::PointsLocator()
{
this->m_SampleAdaptor = SampleAdaptorType::New();
this->m_KdTreeGenerator = TreeGeneratorType::New();
}
template<typename TPointsContainer>
PointsLocator<TPointsContainer>
::~PointsLocator()
{
}
template<typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::Initialize()
{
if( !this->m_Points )
{
itkExceptionMacro( "The points have not been set (m_Points == ITK_NULLPTR)" );
}
if( this->m_Points->Size() == 0 )
{
itkExceptionMacro( "The number of points is 0." );
}
this->m_SampleAdaptor = SampleAdaptorType::New();
this->m_KdTreeGenerator = TreeGeneratorType::New();
// Lack of const-correctness in the PointSetAdaptor should be fixed.
this->m_SampleAdaptor->SetVectorContainer(
const_cast<PointsContainer *>( this->m_Points.GetPointer() ) );
this->m_SampleAdaptor->SetMeasurementVectorSize( PointDimension );
this->m_KdTreeGenerator->SetSample( this->m_SampleAdaptor );
this->m_KdTreeGenerator->SetBucketSize( 16 );
this->m_KdTreeGenerator->Update();
this->m_Tree = this->m_KdTreeGenerator->GetOutput();
}
template<typename TPointsContainer>
typename PointsLocator<TPointsContainer>
::PointIdentifier
PointsLocator<TPointsContainer>
::FindClosestPoint( const PointType &query ) const
{
NeighborsIdentifierType identifiers;
this->m_Tree->Search( query, 1u, identifiers );
return identifiers[0];
}
template<
typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::Search( const PointType &query, unsigned int numberOfNeighborsRequested,
NeighborsIdentifierType &identifiers ) const
{
unsigned int N = numberOfNeighborsRequested;
if( N > this->m_Points->Size() )
{
N = this->m_Points->Size();
itkWarningMacro( "The number of requested neighbors is greater than the "
<< "total number of points. Only returning " << N << " points." );
}
this->m_Tree->Search( query, N, identifiers );
}
template<
typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::FindClosestNPoints( const PointType &query, unsigned int
numberOfNeighborsRequested, NeighborsIdentifierType &identifiers ) const
{
unsigned int N = numberOfNeighborsRequested;
if( N > this->m_Points->Size() )
{
N = this->m_Points->Size();
itkWarningMacro( "The number of requested neighbors is greater than the "
<< "total number of points. Only returning " << N << " points." );
}
this->m_Tree->Search( query, N, identifiers );
}
template<
typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::Search( const PointType &query, double radius,
NeighborsIdentifierType &identifiers ) const
{
this->m_Tree->Search( query, radius, identifiers );
}
template<
typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::FindPointsWithinRadius( const PointType &query, double radius,
NeighborsIdentifierType &identifiers ) const
{
this->m_Tree->Search( query, radius, identifiers );
}
/**
* Print out internals
*/
template<
typename TPointsContainer>
void
PointsLocator<TPointsContainer>
::PrintSelf( std::ostream& os, Indent indent ) const
{
Superclass::PrintSelf( os, indent );
}
} // end namespace itk
#endif
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