/usr/include/ITK-4.5/itkPointsLocator.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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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_h
#define __itkPointsLocator_h
#include "itkObject.h"
#include "itkPoint.h"
#include "itkIntTypes.h"
#include "itkKdTree.h"
#include "itkKdTreeGenerator.h"
#include "itkVectorContainer.h"
#include "itkVectorContainerToListSampleAdaptor.h"
namespace itk
{
/** \class PointsLocator
* \brief Accelerate geometric searches for points.
*
* This class accelerates the search for the closest point to a user-provided
* point, by using constructing a Kd-Tree structure for the PointSetContainer.
*
* \ingroup ITKRegistrationCommon
*/
template<
typename TPointsContainer = VectorContainer< IdentifierType, Point< float, 3 > >
>
class PointsLocator : public Object
{
public:
/** Standard class typedefs. */
typedef PointsLocator Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro( Self );
/** Standard part of every itk Object. */
itkTypeMacro( PointsLocator, Object );
/** Hold on to the type information specified by the template parameters. */
typedef TPointsContainer PointsContainer;
typedef typename PointsContainer::Pointer PointsContainerPointer;
typedef typename PointsContainer::ConstPointer PointsContainerConstPointer;
typedef typename PointsContainer::ElementIdentifier PointIdentifier;
typedef typename PointsContainer::Element PointType;
/** Hold on to the dimensions specified by the template parameters. */
itkStaticConstMacro( PointDimension, unsigned int, PointType::PointDimension );
/** Convenient typedefs. */
typedef typename PointsContainer::ConstIterator PointsContainerConstIterator;
typedef typename PointsContainer::Iterator PointsContainerIterator;
/** Type of the PointsContainer to List Adaptor. */
typedef Statistics::VectorContainerToListSampleAdaptor
<PointsContainer> SampleAdaptorType;
typedef typename SampleAdaptorType::Pointer SampleAdaptorPointer;
/** Types fo the KdTreeGenerator */
typedef Statistics::KdTreeGenerator<SampleAdaptorType> TreeGeneratorType;
typedef typename TreeGeneratorType::Pointer TreeGeneratorPointer;
typedef typename TreeGeneratorType::KdTreeType TreeType;
typedef typename TreeType::ConstPointer TreeConstPointer;
typedef typename TreeType::InstanceIdentifierVectorType NeighborsIdentifierType;
/** Set/Get the points from which the bounding box should be computed. */
itkSetObjectMacro( Points, PointsContainer );
/** Set/Get the points from which the bounding box should be computed. */
itkGetModifiableObjectMacro(Points, PointsContainer );
/** Compute the kd-tree that will facilitate the querying the points. */
void Initialize();
/** Find the closest point */
PointIdentifier FindClosestPoint( const PointType &query ) const;
/** Find the k-nearest neighbors. Returns the point ids. */
void Search( const PointType &, unsigned int, NeighborsIdentifierType & )
const;
/** Find the closest N points. Returns the point ids. */
void FindClosestNPoints( const PointType &, unsigned int,
NeighborsIdentifierType & ) const;
/** Find all the points within a specified radius. Returns the point ids. */
void Search( const PointType &, double, NeighborsIdentifierType & ) const;
/** Find all the points within a specified radius. Returns the point ids. */
void FindPointsWithinRadius( const PointType &, double,
NeighborsIdentifierType & ) const;
protected:
PointsLocator();
~PointsLocator();
virtual void PrintSelf(std::ostream& os, Indent indent) const;
private:
PointsLocator( const Self& ); //purposely not implemented
void operator=( const Self& ); //purposely not implemented
PointsContainerPointer m_Points;
SampleAdaptorPointer m_SampleAdaptor;
TreeGeneratorPointer m_KdTreeGenerator;
TreeConstPointer m_Tree;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPointsLocator.hxx"
#endif
#endif
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