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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkGenerateImageSource_hxx
#define itkGenerateImageSource_hxx
namespace itk
{
template <typename TOutputImage>
GenerateImageSource<TOutputImage>::GenerateImageSource()
: m_Spacing(MakeFilled<SpacingType>(1.0))
, m_Origin()
{
this->m_Size.Fill(64); // arbitrary default size
this->m_Direction.SetIdentity();
this->m_StartIndex.Fill(0);
// Pipeline input configuration
// implicit: No Input Required
// "ReferenceImage" optional
Self::AddOptionalInputName("ReferenceImage", 1);
}
template <typename TOutputImage>
void
GenerateImageSource<TOutputImage>::GenerateOutputInformation()
{
// No need to call Superclass::GenerateOutputInformation. No input.
for (unsigned int n = 0; n < this->GetNumberOfOutputs(); ++n)
{
OutputImageType * outputPtr = this->GetOutput(n);
if (!outputPtr)
{
continue;
}
const ReferenceImageBaseType * referenceImage = this->GetReferenceImage();
// Set size, spacing, origin
if (m_UseReferenceImage && referenceImage)
{
outputPtr->SetLargestPossibleRegion(referenceImage->GetLargestPossibleRegion());
outputPtr->SetSpacing(referenceImage->GetSpacing());
outputPtr->SetOrigin(referenceImage->GetOrigin());
outputPtr->SetDirection(referenceImage->GetDirection());
this->m_Direction = referenceImage->GetDirection();
this->m_StartIndex = referenceImage->GetLargestPossibleRegion().GetIndex();
this->m_Size = referenceImage->GetLargestPossibleRegion().GetSize();
}
else
{
typename TOutputImage::RegionType outputLargestPossibleRegion;
outputLargestPossibleRegion.SetSize(m_Size);
outputLargestPossibleRegion.SetIndex(m_StartIndex);
outputPtr->SetLargestPossibleRegion(outputLargestPossibleRegion);
outputPtr->SetSpacing(m_Spacing);
outputPtr->SetOrigin(m_Origin);
outputPtr->SetDirection(m_Direction);
}
}
}
template <typename TOutputImage>
void
GenerateImageSource<TOutputImage>::SetOutputParametersFromImage(const ReferenceImageBaseType * image)
{
this->SetOrigin(image->GetOrigin());
this->SetSpacing(image->GetSpacing());
this->SetDirection(image->GetDirection());
this->SetStartIndex(image->GetLargestPossibleRegion().GetIndex());
this->SetSize(image->GetLargestPossibleRegion().GetSize());
}
template <typename TOutputImage>
void
GenerateImageSource<TOutputImage>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Size: " << static_cast<typename NumericTraits<SizeType>::PrintType>(m_Size) << std::endl;
os << indent << "Spacing: " << static_cast<typename NumericTraits<SpacingType>::PrintType>(m_Spacing) << std::endl;
os << indent << "Origin: " << static_cast<typename NumericTraits<PointType>::PrintType>(m_Origin) << std::endl;
os << indent << "Direction: " << static_cast<typename NumericTraits<DirectionType>::PrintType>(m_Direction)
<< std::endl;
os << indent << "UseReferenceImage: " << this->GetUseReferenceImage() << std::endl;
}
} // end namespace itk
#endif // itkGenerateImageSour_hxx
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