itkGaussianImageSource.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGaussianImageSource.h,v $
  Language:  C++
  Date:      $Date: 2002/09/11 19:39:01 $
  Version:   $Revision: 1.10 $

  Copyright (c) 2002 Insight 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 __itkGaussianImageSource_h
#define __itkGaussianImageSource_h

#include "itkImageSource.h"
#include "itkFixedArray.h"

namespace itk
{

template <typename TOutputImage>
class ITK_EXPORT GaussianImageSource : public ImageSource<TOutputImage>
{
public:
  typedef GaussianImageSource   Self;
  typedef ImageSource<TOutputImage>  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  typedef typename TOutputImage::PixelType OutputImagePixelType;

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  itkStaticConstMacro(NDimensions, unsigned int, TOutputImage::ImageDimension);

  typedef FixedArray<double, itkGetStaticConstMacro(NDimensions)> ArrayType;

  itkTypeMacro(GaussianImageSource,ImageSource);

  itkNewMacro(Self);
  
  virtual void SetSize( const unsigned long values[NDimensions]);

  itkGetVectorMacro(Size,const unsigned long,NDimensions);
  
  virtual void SetSpacing( const float values[NDimensions]);
  virtual void SetSpacing( const double values[NDimensions]);
  
  itkGetVectorMacro(Spacing,const double,NDimensions);

  virtual void SetOrigin( const float values[NDimensions]);
  virtual void SetOrigin( const double values[NDimensions]);

  itkGetVectorMacro(Origin,const double,NDimensions);

  itkSetMacro(Scale, double);
  itkGetMacro(Scale, double);
  itkSetMacro(Normalized, bool);
  itkGetMacro(Normalized, bool);
  itkSetMacro(Sigma, ArrayType);
  itkGetMacro(Sigma, ArrayType);
  itkSetMacro(Mean, ArrayType);
  itkGetMacro(Mean, ArrayType);
  

protected:
  GaussianImageSource();
  ~GaussianImageSource();
  void PrintSelf(std::ostream& os, Indent indent) const;
  void GenerateData();
  virtual void GenerateOutputInformation();

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

  unsigned long  m_Size[NDimensions];    //size of the output image
  double         m_Spacing[NDimensions]; //spacing
  double         m_Origin[NDimensions];  //origin

  ArrayType m_Sigma;

  ArrayType m_Mean;

  double m_Scale;

  bool m_Normalized;
};

} // end namespace itk

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

#endif

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