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BUG: Boundary condition was not propagated to FFTPadPositiveIndex #49

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Merged
merged 1 commit into from
Jun 7, 2017
Merged

BUG: Boundary condition was not propagated to FFTPadPositiveIndex #49

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11 changes: 10 additions & 1 deletion include/itkFFTPadPositiveIndexImageFilter.h
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Original file line number Diff line number Diff line change
Expand Up @@ -91,8 +91,17 @@ class FFTPadPositiveIndexImageFilter:
itkGetConstMacro(SizeGreatestPrimeFactor, SizeValueType);
itkSetMacro(SizeGreatestPrimeFactor, SizeValueType);
/** Set/get the boundary condition. */
itkSetMacro(BoundaryCondition, BoundaryConditionPointerType);
itkGetConstMacro(BoundaryCondition, BoundaryConditionPointerType);
virtual void SetBoundaryCondition(const BoundaryConditionPointerType boundaryCondition)
{
if ( this->m_BoundaryCondition != boundaryCondition )
{
this->m_BoundaryCondition = boundaryCondition;
this->m_FFTPadFilter->SetBoundaryCondition(this->m_BoundaryCondition);
this->m_FFTPadFilter->Modified();
this->Modified();
}
}

protected:
FFTPadPositiveIndexImageFilter();
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8 changes: 7 additions & 1 deletion include/itkFFTPadPositiveIndexImageFilter.hxx
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Expand Up @@ -53,14 +53,20 @@ FFTPadPositiveIndexImageFilter< TInputImage, TOutputImage >
const typename OutputImageType::RegionType & outputRequestedRegion =
outputPtr->GetRequestedRegion();

typename OutputImageType::RegionType shiftedOutputRequestedRegion;
typename OutputImageType::RegionType::IndexType shiftedRequestedIndex =
outputRequestedRegion.GetIndex() - this->m_ChangeInfoFilter->GetOutputOffset();
shiftedOutputRequestedRegion.SetIndex(shiftedRequestedIndex);
shiftedOutputRequestedRegion.SetSize(outputRequestedRegion.GetSize());

// Ask the boundary condition for the input requested region.
if ( !m_BoundaryCondition )
{
itkExceptionMacro( << "Boundary condition is ITK_NULLPTR so no request region can be generated.");
}
typename InputImageType::RegionType inputRequestedRegion =
m_BoundaryCondition->GetInputRequestedRegion( inputLargestPossibleRegion,
outputRequestedRegion );
shiftedOutputRequestedRegion );

inputPtr->SetRequestedRegion( inputRequestedRegion );
}
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