itkPointSet.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPointSet.h,v $
  Language:  C++
  Date:      $Date: 2003/11/08 02:42:14 $
  Version:   $Revision: 1.21 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkPointSet_h
#define __itkPointSet_h

#include "itkDataObject.h"
#include "itkPoint.h"
#include "itkDefaultStaticMeshTraits.h"
#include "itkPointLocator.h"
#include "itkBoundingBox.h"
#include <vector>
#include <set>


namespace itk
{

template <typename TPointSet>
struct GetPointSetDimension
{
itkStaticConstMacro(PointDimension, unsigned int,  TPointSet::PointDimension);
}; 
  
template <
  typename TPixelType,
  unsigned int VDimension = 3,
  typename TMeshTraits = DefaultStaticMeshTraits< TPixelType, VDimension, VDimension >
  >
class ITK_EXPORT PointSet: public DataObject
{
public:
  typedef PointSet                Self;
  typedef DataObject  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
    
  itkNewMacro(Self);

  itkTypeMacro(PointSet, Object);

  typedef TMeshTraits   MeshTraits;
  typedef typename MeshTraits::PixelType                PixelType;  
  
  typedef typename MeshTraits::CoordRepType             CoordRepType;  
  typedef typename MeshTraits::PointIdentifier          PointIdentifier;
  typedef typename MeshTraits::PointType                PointType;
  typedef typename MeshTraits::PointsContainer          PointsContainer;
  typedef typename MeshTraits::PointDataContainer       PointDataContainer;
  
  itkStaticConstMacro(PointDimension, unsigned int,
                      TMeshTraits::PointDimension);

  typedef PointLocator<PointIdentifier,itkGetStaticConstMacro(PointDimension),
                       CoordRepType,PointsContainer>  PointLocatorType;
  typedef BoundingBox<PointIdentifier,itkGetStaticConstMacro(PointDimension),
                      CoordRepType,PointsContainer>   BoundingBoxType;
  
  typedef typename PointsContainer::Pointer          PointsContainerPointer;
  typedef typename PointsContainer::ConstPointer     PointsContainerConstPointer;
  typedef typename PointDataContainer::Pointer       PointDataContainerPointer;
  typedef typename PointDataContainer::ConstPointer  PointDataContainerConstPointer;
  typedef typename PointLocatorType::Pointer         PointLocatorPointer;
  typedef typename BoundingBoxType::Pointer          BoundingBoxPointer;
  
  typedef typename
          PointsContainer::ConstIterator        PointsContainerConstIterator;
  typedef typename
          PointsContainer::Iterator             PointsContainerIterator;
  typedef typename
          PointDataContainer::ConstIterator     PointDataContainerIterator;
    
  typedef int                                   RegionType;

  int GetMaximumNumberOfRegions() const
    {return m_MaximumNumberOfRegions;}
      
protected:
  PointsContainerPointer  m_PointsContainer;

  PointDataContainerPointer  m_PointDataContainer;
 
  PointLocatorPointer m_PointLocator;
  
  BoundingBoxPointer m_BoundingBox;

public:
  void PassStructure(Self* inputPointSet);
  virtual void Initialize(void);
  unsigned long GetNumberOfPoints(void) const;
  
  void SetPoints(PointsContainer*);
  PointsContainer * GetPoints(void);
  const PointsContainer * GetPoints(void) const;
  void SetPointData(PointDataContainer*);
  PointDataContainer * GetPointData(void);
  const PointDataContainer * GetPointData(void) const;
  
  void SetPoint(PointIdentifier, PointType);
  bool GetPoint(PointIdentifier, PointType*) const;
  
  void SetPointData(PointIdentifier, PixelType);
  bool GetPointData(PointIdentifier, PixelType*) const;
  
  const BoundingBoxType * GetBoundingBox(void) const;

  bool FindClosestPoint(CoordRepType coords[PointDimension],
                        PointIdentifier* pointId);

  virtual void UpdateOutputInformation();
  virtual void SetRequestedRegionToLargestPossibleRegion();
  virtual void CopyInformation(const DataObject *data);
  virtual bool RequestedRegionIsOutsideOfTheBufferedRegion();
  virtual bool VerifyRequestedRegion();
  
  virtual void SetRequestedRegion(DataObject *data);

  virtual void SetRequestedRegion( const RegionType & region );
  itkGetMacro( RequestedRegion, RegionType );

  virtual void SetBufferedRegion( const RegionType & region );
  itkGetMacro( BufferedRegion, RegionType );


protected:
  PointSet();
  ~PointSet() {}
  virtual void PrintSelf(std::ostream& os, Indent indent) const;
  
  // If the RegionType is ITK_UNSTRUCTURED_REGION, then the following
  // variables represent the maximum number of region that the data
  // object can be broken into, which region out of how many is
  // currently in the buffered region, and the number of regions and
  // the specific region requested for the update. Data objects that
  // do not support any division of the data can simply leave the
  // MaximumNumberOfRegions as 1. The RequestedNumberOfRegions and
  // RequestedRegion are used to define the currently requested
  // region. The LargestPossibleRegion is always requested region = 0
  // and number of regions = 1;
  int m_MaximumNumberOfRegions;
  int m_NumberOfRegions;
  int m_RequestedNumberOfRegions;
  RegionType m_BufferedRegion;
  RegionType m_RequestedRegion;

private:
  PointSet(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

}; // End Class: PointSet

} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPointSet.txx"
#endif
  
#endif

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