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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMinimumMaximumImageCalculator.h,v $
Language: C++
Date: $Date: 2005-01-21 20:20:27 $
Version: $Revision: 1.15 $
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 __itkMinimumMaximumImageCalculator_h
#define __itkMinimumMaximumImageCalculator_h
#include "itkObject.h"
#include "itkObjectFactory.h"
namespace itk
{
/** This calculator computes the minimum and the maximum intensity values of
* an image. It is templated over input image type. If only Maximum or
* Minimum value is needed, just call ComputeMaximum() (ComputeMinimum())
* otherwise Compute() will compute both.
*
* \ingroup Operators
*/
template <class TInputImage>
class ITK_EXPORT MinimumMaximumImageCalculator : public Object
{
public:
/** Standard class typedefs. */
typedef MinimumMaximumImageCalculator Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MinimumMaximumImageCalculator, Object);
/** Type definition for the input image. */
typedef TInputImage ImageType;
/** Pointer type for the image. */
typedef typename TInputImage::Pointer ImagePointer;
/** Const Pointer type for the image. */
typedef typename TInputImage::ConstPointer ImageConstPointer;
/** Type definition for the input image pixel type. */
typedef typename TInputImage::PixelType PixelType;
/** Type definition for the input image index type. */
typedef typename TInputImage::IndexType IndexType;
/** Type definition for the input image region type. */
typedef typename TInputImage::RegionType RegionType;
/** Set the input image. */
itkSetConstObjectMacro(Image,ImageType);
/** Compute the minimum value of intensity of the input image. */
void ComputeMinimum(void);
/** Compute the maximum value of intensity of the input image. */
void ComputeMaximum(void);
/** Compute the minimum and maximum values of intensity of the input image. */
void Compute(void);
/** Return the minimum intensity value. */
itkGetMacro(Minimum,PixelType);
/** Return the maximum intensity value. */
itkGetMacro(Maximum,PixelType);
/** Return the index of the minimum intensity value. */
itkGetConstReferenceMacro(IndexOfMinimum,IndexType);
/** Return the index of the maximum intensity value. */
itkGetConstReferenceMacro(IndexOfMaximum,IndexType);
/** Set the region over which the values will be computed */
void SetRegion( const RegionType & region );
protected:
MinimumMaximumImageCalculator();
virtual ~MinimumMaximumImageCalculator() {};
void PrintSelf(std::ostream& os, Indent indent) const;
private:
MinimumMaximumImageCalculator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
PixelType m_Minimum;
PixelType m_Maximum;
ImageConstPointer m_Image;
IndexType m_IndexOfMinimum;
IndexType m_IndexOfMaximum;
RegionType m_Region;
bool m_RegionSetByUser;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMinimumMaximumImageCalculator.txx"
#endif
#endif /* __itkMinimumMaximumImageCalculator_h */
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