itkImageSpatialObject.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageSpatialObject.h,v $
  Language:  C++
  Date:      $Date: 2007/01/28 19:24:38 $
  Version:   $Revision: 1.28 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.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 __itkImageSpatialObject_h
#define __itkImageSpatialObject_h

#include "itkImage.h"
#include "itkExceptionObject.h"
#include "itkSpatialObject.h"
#include "itkInterpolateImageFunction.h"
#include "itkNearestNeighborInterpolateImageFunction.h"

namespace itk
{
  
template < unsigned int TDimension = 3,
           class TPixelType = unsigned char
>
class ImageSpatialObject 
  : public SpatialObject< TDimension >
{

public:
 
  typedef double ScalarType; 
  typedef ImageSpatialObject< TDimension, TPixelType > Self;
  typedef SpatialObject< TDimension >                 Superclass;
  typedef SmartPointer< Self >                        Pointer;
  typedef SmartPointer< const Self >                  ConstPointer;

  typedef TPixelType                            PixelType;
  typedef Image< PixelType, TDimension >        ImageType;
  typedef typename ImageType::ConstPointer      ImagePointer;
  typedef typename ImageType::IndexType         IndexType;
  typedef typename ImageType::RegionType        RegionType;
  typedef typename Superclass::TransformType    TransformType;
  typedef typename Superclass::PointType        PointType;
  typedef typename Superclass::BoundingBoxType  BoundingBoxType;
  typedef InterpolateImageFunction<ImageType>   InterpolatorType;

  typedef NearestNeighborInterpolateImageFunction<ImageType>  
                                                NNInterpolatorType;

  typedef VectorContainer< unsigned long, PointType> PointContainerType;
  typedef typename PointContainerType::Pointer       PointContainerPointer;

  itkNewMacro( Self );

  itkTypeMacro( ImageSpatialObject, SpatialObject );

  void SetImage( const ImageType * image );

  const ImageType * GetImage( void ) const;

  bool IsEvaluableAt( const PointType & point, 
                      unsigned int depth=0, char *name=NULL) const;

  bool ValueAt( const PointType & point, double & value, 
                unsigned int depth=0, char *name=NULL) const;


  bool IsInside( const PointType & point,
                 unsigned int depth, char *name) const;

  bool IsInside( const PointType & point) const;

  bool ComputeLocalBoundingBox() const;

  unsigned long GetMTime( void ) const;

  void SetSlicePosition(unsigned int dimension, int position);

  int GetSlicePosition(unsigned int dimension) 
  {return m_SlicePosition[dimension];}

  const char* GetPixelType()
    {
    return m_PixelType.c_str();
    }

  void SetInterpolator(InterpolatorType * interpolator);
  itkGetObjectMacro(Interpolator,InterpolatorType);

protected:
  ImageSpatialObject(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  ImagePointer m_Image;

  ImageSpatialObject();
  virtual ~ImageSpatialObject();

  void PrintSelf( std::ostream& os, Indent indent ) const;

  int*        m_SlicePosition;
  std::string m_PixelType;

  typename InterpolatorType::Pointer m_Interpolator;
};

} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageSpatialObject.txx"
#endif

#endif //__itkImageSpatialObject_h

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