[Insight-users] itk set\get macro

[l franz]

Hi everybody,

I have create a class in which I have to set (and get) a parameter, the 
brightness threshold. For that, I used itk set/get macro:

itkSetMacro(BrightnessThreshold, int);
itkGetConstReferenceMacro(BrightnessThreshold, int);

But the program doesn't want to compile. The errors given are:

/home/gally/susan/itkUsanWeightFunction.h: In method `void
itk::UsanWeightFunction<TOperator>::SetBrightnessThreshold (int) [with 
TOperator = FloatType]':
/home/gally/susan/itkFSLSusanImageFilter.txx:159: instantiated from 
`itk::FSLSusanImageFilter<TInputImage, TOutputImage>::ThreadedGenerateData 
(typename TOutputImage::RegionType &, int) [with TInputImage = main (int, 
char **)::InputImageType, TOutputImage = main (int, char 
**)::OutputImageType]'
/home/gally/programmes/itk/InsightToolkit-1.8.1/Code/IO/itkImageFileWriter.txx:158:
instantiated from here
/home/gally/susan/itkUsanWeightFunction.h:93: no matching function for call 
to
`itk::UsanWeightFunction<FloatType>::GetDebug ()'
/home/gally/susan/itkFSLSusanImageFilter.txx:159: instantiated from 
`itk::FSLSusanImageFilter<TInputImage, TOutputImage>::ThreadedGenerateData 
(typename TOutputImage::RegionType &, int) [with TInputImage = main (int, 
char **)::InputImageType, TOutputImage = main (int, char 
**)::OutputImageType]'
/home/gally/programmes/itk/InsightToolkit-1.8.1/Code/IO/itkImageFileWriter.txx:158:
instantiated from here
/home/gally/susan/itkUsanWeightFunction.h:93: no matching function for call 
to
`itk::UsanWeightFunction<FloatType>::Modified ()'
/home/gally/susan/itkUsanWeightFunction.h: In method `const int
&itk::UsanWeightFunction<TOperator>::GetBrightnessThreshold () const [with 
TOperator = FloatType]':
/home/gally/programmes/itk/InsightToolkit-1.8.1/Code/Common/itkPoint.h:97: 
instantiated from here
/home/gally/susan/itkUsanWeightFunction.h:94: no matching function for call 
to
`itk::UsanWeightFunction<FloatType>::GetDebug () const'
/home/gally/susan/itkUsanWeightFunction.h:94: passing `const 
itk::UsanWeightFunction<FloatType>' as
`this' argument of `const char 
*itk::UsanWeightFunction<TOperator>::GetNameOfClass () [with TOperator =
FloatType]' discards qualifiers

I understand that I need GetDebug() and Modified() method, but I don't know 
why... Does my class needs inheritance of something??

Thanks for advices,

Regards,

Franz
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