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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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
#include "itkGenerateImageSource.h"
namespace itk
{
template< typename TOutputImage >
GenerateImageSource< TOutputImage >
::GenerateImageSource()
: m_Spacing( 1.0 ),
m_Origin( 0.0 ),
m_UseReferenceImage( false )
{
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() );
}
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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