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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 itkTransformFileReader_hxx
#define itkTransformFileReader_hxx
#include "itkTransformFileReader.h"
#include "itkTransformIOFactory.h"
#include "itkCompositeTransformIOHelper.h"
namespace itk
{
template<typename TParametersValueType>
TransformFileReaderTemplate<TParametersValueType>
::TransformFileReaderTemplate() :
m_FileName("") /* to be removed soon. See .h */
{
}
template<typename TParametersValueType>
TransformFileReaderTemplate<TParametersValueType>
::~TransformFileReaderTemplate()
{
}
template<typename TParametersValueType>
void TransformFileReaderTemplate<TParametersValueType>
::Update()
{
if ( m_FileName == "" )
{
itkExceptionMacro ("No file name given");
}
if( m_TransformIO.IsNull() )
{
typedef TransformIOFactoryTemplate< TParametersValueType > TransformFactoryIOType;
m_TransformIO = TransformFactoryIOType::CreateTransformIO( m_FileName.c_str(), /*TransformIOFactoryTemplate<TParametersValueType>::*/ ReadMode );
if ( m_TransformIO.IsNull() )
{
itkExceptionMacro("Can't Create IO object for file " << m_FileName);
}
}
typename TransformIOType::TransformListType & ioTransformList = m_TransformIO->GetTransformList();
// Clear old results.
ioTransformList.clear();
m_TransformIO->SetFileName(m_FileName);
m_TransformIO->Read();
// Clear old results.
this->m_TransformList.clear();
// In the case where the first transform in the list is a
// CompositeTransform, add all the transforms to that first
// transform. and return a single composite item on the
// m_TransformList
const std::string firstTransformName = ioTransformList.front()->GetNameOfClass();
if(firstTransformName.find("CompositeTransform") != std::string::npos)
{
typename TransformListType::const_iterator tit = ioTransformList.begin();
typename TransformType::Pointer composite = (*tit).GetPointer();
// CompositeTransformIOHelperTemplate knows how to assign to the composite
// transform's internal list
CompositeTransformIOHelperTemplate<TParametersValueType> helper;
helper.SetTransformList(composite.GetPointer(),ioTransformList);
this->m_TransformList.push_back( composite.GetPointer() );
}
else //Just return the entire list of elements
{
for ( typename TransformListType::iterator it =
ioTransformList.begin();
it != ioTransformList.end(); ++it )
{
this->m_TransformList.push_back( (*it).GetPointer() );
}
}
}
template<typename TParametersValueType>
void TransformFileReaderTemplate<TParametersValueType>
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "FileName: " << m_FileName << std::endl;
}
} // namespace itk
#endif
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