mitkSUVFunctorPolicy.h

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/*===================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.
 
This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.
 
See LICENSE.txt or http://www.mitk.org for details.
 
===================================================================*/
 
#ifndef mitkSUVFunctorPolicy_h
#define mitkSUVFunctorPolicy_h
 
#include <functional>
#include <limits>
 
#include <itkIndex.h>
#include <mitkNumericConstants.h>
 
#include <MitkPETExports.h>
 
namespace mitk
{
 
  class MITKPET_EXPORT SUVFunctorPolicy
  {
  public:
    typedef ScalarType SUVPixelType;
 
    typedef itk::Index<3> IndexType;
 
    using DecayTimeFunctionType = std::function < double(const IndexType&) >;
 
    SUVFunctorPolicy();
 
    SUVFunctorPolicy(double injectedActivity, double scaleNumerator, double halfLife);
 
    virtual ~SUVFunctorPolicy();
 
    void SetDecayTimeFunctor(const DecayTimeFunctionType& functor);
 
    void SetInjectedActivity(double a);
 
    void SetScaleNumerator(double n);
 
    void SetHalfLife(double tau);
 
    bool IsConfigured() const;
 
    bool operator!=(const SUVFunctorPolicy& other) const;
 
    bool operator==(const SUVFunctorPolicy& other) const;
 
    SUVPixelType operator()(const SUVPixelType& value,
      const IndexType& currentIndex) const;
 
  protected:
 
    double m_InjectedActivity = std::numeric_limits<double>::quiet_NaN();
    double m_ScaleNumerator   = std::numeric_limits<double>::quiet_NaN();
    double m_HalfLife         = std::numeric_limits<double>::quiet_NaN();
 
    DecayTimeFunctionType m_Functor;
  };
 
}
 
 
#endif