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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 itkNarrowBandCurvesLevelSetImageFilter_hxx
#define itkNarrowBandCurvesLevelSetImageFilter_hxx
#include "itkNarrowBandCurvesLevelSetImageFilter.h"
#include "itkMath.h"
namespace itk
{
template< typename TInputImage, typename TFeatureImage, typename TOutputType >
NarrowBandCurvesLevelSetImageFilter< TInputImage, TFeatureImage, TOutputType >
::NarrowBandCurvesLevelSetImageFilter()
{
/* Instantiate a geodesic active contour function and set it as the
segmentation function. */
m_CurvesFunction = CurvesFunctionType::New();
this->SetSegmentationFunction(m_CurvesFunction);
/* Use negative features by default. */
this->ReverseExpansionDirectionOff();
}
template< typename TInputImage, typename TFeatureImage, typename TOutputType >
void
NarrowBandCurvesLevelSetImageFilter< TInputImage, TFeatureImage, TOutputType >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << "CurvesFunction: " << m_CurvesFunction.GetPointer();
}
template< typename TInputImage, typename TFeatureImage, typename TOutputType >
void
NarrowBandCurvesLevelSetImageFilter< TInputImage, TFeatureImage, TOutputType >
::GenerateData()
{
// Make sure the SpeedImage is setup for the case when PropagationScaling
// is zero. This image is used by the curvature term.
if ( this->GetSegmentationFunction()
&& Math::ExactlyEquals(this->GetSegmentationFunction()->GetPropagationWeight(), 0) )
{
this->GetSegmentationFunction()->AllocateSpeedImage();
this->GetSegmentationFunction()->CalculateSpeedImage();
}
// Continue with Superclass implementation
Superclass::GenerateData();
}
} // end namespace itk
#endif
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