COMP: Many compiler warnings

[hjmjohnson]

[277/278] Building CXX object Modules/Remote/GrowCut/test/CMakeFiles/GrowCutTestDriver.dir/itkFastGrowCutTest.cxx.o
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/test/itkFastGrowCutTest.cxx:19:
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:197:
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:99:17: warning: declaration shadows a field of 'FastGrowCut<TInputImage, TLabelImage, TMaskImage>' [-Wshadow]
  NodeIndexType m_DimX = region.GetSize(0);
                ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:181:17: note: previous declaration is here
  NodeIndexType m_DimX;
                ^
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/test/itkFastGrowCutTest.cxx:19:
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:197:
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:100:17: warning: declaration shadows a field of 'FastGrowCut<TInputImage, TLabelImage, TMaskImage>' [-Wshadow]
  NodeIndexType m_DimY = region.GetSize(1);
                ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:182:17: note: previous declaration is here
  NodeIndexType m_DimY;
                ^
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/test/itkFastGrowCutTest.cxx:19:
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:197:
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:101:17: warning: declaration shadows a field of 'FastGrowCut<TInputImage, TLabelImage, TMaskImage>' [-Wshadow]
  NodeIndexType m_DimZ = region.GetSize(2);
                ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:183:17: note: previous declaration is here
  NodeIndexType m_DimZ;
                ^
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/test/itkFastGrowCutTest.cxx:19:
In file included from /Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:197:
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:295:24: warning: declaration shadows a local variable [-Wshadow]
    LabelPixelType *   resultLabelVolumePtr = resultLabelVolume->GetBufferPointer();
                       ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:288:30: note: previous declaration is here
  LabelPixelType *           resultLabelVolumePtr = resultLabelVolume->GetBufferPointer();
                             ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:382:16: warning: unused variable 'compareTolerance' [-Wunused-variable]
  const double compareTolerance = (spacing[0] + spacing[1] + spacing[2]) / 3.0 * 0.01;
               ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.hxx:377:14: warning: unused variable 'seedImage' [-Wunused-variable]
  auto       seedImage = this->GetSeedImage();
             ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/include/itkFastGrowCut.h:69:15: note: in instantiation of member function 'itk::FastGrowCut<itk::Image<short, 3>, itk::Image<unsigned char, 3>, itk::Image<unsigned char, 3> >::GenerateData' requested here
  itkNewMacro(Self);
              ^
/Users/johnsonhj/Dashboard/src/ITK/Modules/Remote/GrowCut/test/itkFastGrowCutTest.cxx:78:41: note: in instantiation of member function 'itk::FastGrowCut<itk::Image<short, 3>, itk::Image<unsigned char, 3>, itk::Image<unsigned char, 3> >::New' requested here
  FGCType::Pointer fgcFilter = FGCType::New();
                                        ^
6 warnings generated.
[278/278] Linking CXX executable bin/GrowCutTestDriver

[dzenanz]

This code is in need of cleanup. That is on a TODO list.

What compiler did you use to get these warnings? I don't get them on either VS2019 or GCC9.3.