[Insight-users] Repeat use of filter

[Jesse Ross-Jones]

Hello,

I am using ITK to write a method which requires the repeated use of a
couple filters. Instead of having to repeat code, is it possible for the
filters to work within a loop instead?

*A simplified example of the working code is here:*

  dilateFilter->SetInput(this->GetInput());
  dilateFilter->SetKernel(structuringElement);

  meanFilter->SetRadius(2);
  meanFilter->SetInput(dilateFilter->GetOutput());

  dilateFilter2->SetInput(meanFilter->GetOutput());
  dilateFilter2->SetKernel(structuringElement);

  meanFilter2->SetRadius(2);
  meanFilter2->SetInput(dilateFilter->GetOutput());

  dilateFilter3->SetInput(meanFilter2->GetOutput());
  dilateFilter3->SetKernel(structuringElement);

  meanFilter3->SetRadius(2);
  meanFilter3->SetInput(dilateFilter3->GetOutput());


*I tried to replace the previous code with something the following, but the
result produced only a black image.

*
  dilateFilter->SetInput(this->GetInput());
  dilateFilter->SetKernel(structuringElement);

  meanFilter->SetRadius(2);
  meanFilter->SetInput(dilateFilter->GetOutput());

  for ( int j = 0 ; j < 3 ; j = j + 1 ){
     dilateFilter->SetInput(meanFilter->GetOutput());
     meanFilter->SetInput(dilateFilter->GetOutput());
     meanFilter->Update();
  }


Best Regards,
Jesse
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