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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 itkMalcolmSparseLevelSetImage_h
#define itkMalcolmSparseLevelSetImage_h
#include "itkImage.h"
#include "itkLevelSetSparseImage.h"
#include "itkLabelObject.h"
#include "itkLabelMap.h"
namespace itk
{
/**
* \class MalcolmSparseLevelSetImage
* \brief Derived class for the Malcolm representation of level-set function
*
* This representation is a "sparse" level-set function, where values could
* only be { -1, 0, +1 } and organized into 1 layer { 0 }.
*
* \tparam VDimension Dimension of the input space
* \ingroup ITKLevelSetsv4
*/
template< unsigned int VDimension >
class ITK_TEMPLATE_EXPORT MalcolmSparseLevelSetImage :
public LevelSetSparseImage< int8_t, VDimension >
{
public:
typedef MalcolmSparseLevelSetImage Self;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef LevelSetSparseImage< int8_t, VDimension > Superclass;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MalcolmSparseLevelSetImage, LevelSetSparseImage);
itkStaticConstMacro ( Dimension, unsigned int, VDimension );
typedef typename Superclass::InputType InputType;
typedef typename Superclass::OutputType OutputType;
typedef typename Superclass::OutputRealType OutputRealType;
typedef typename Superclass::GradientType GradientType;
typedef typename Superclass::HessianType HessianType;
typedef typename Superclass::LevelSetDataType LevelSetDataType;
typedef typename Superclass::LayerIdType LayerIdType;
typedef typename Superclass::LabelObjectType LabelObjectType;
typedef typename Superclass::LabelObjectPointer LabelObjectPointer;
typedef typename Superclass::LabelObjectLengthType LabelObjectLengthType;
typedef typename Superclass::LabelObjectLineType LabelObjectLineType;
typedef typename Superclass::LabelMapType LabelMapType;
typedef typename Superclass::LabelMapPointer LabelMapPointer;
typedef typename Superclass::RegionType RegionType;
typedef typename Superclass::LayerType LayerType;
typedef typename Superclass::LayerIterator LayerIterator;
typedef typename Superclass::LayerConstIterator LayerConstIterator;
typedef typename Superclass::LayerMapType LayerMapType;
typedef typename Superclass::LayerMapIterator LayerMapIterator;
typedef typename Superclass::LayerMapConstIterator LayerMapConstIterator;
/** Returns the value of the level set function at a given location inputPixel */
using Superclass::Evaluate;
virtual OutputType Evaluate( const InputType& inputPixel ) const ITK_OVERRIDE;
/** Returns the Hessian of the level set function at a given location inputPixel */
virtual HessianType EvaluateHessian( const InputType& inputPixel ) const ITK_OVERRIDE;
/** Returns the Laplacian of the level set function at a given location inputPixel */
virtual OutputRealType EvaluateLaplacian( const InputType& inputPixel ) const ITK_OVERRIDE;
/** Returns the MeanCurvature of the level set function at a given location inputPixel */
virtual OutputRealType EvaluateMeanCurvature( const InputType& inputPixel ) const ITK_OVERRIDE;
virtual void EvaluateHessian( const InputType& inputPixel, LevelSetDataType& data ) const ITK_OVERRIDE;
virtual void EvaluateLaplacian( const InputType& inputPixel, LevelSetDataType& data ) const ITK_OVERRIDE;
virtual void EvaluateMeanCurvature( const InputType& inputPixel, LevelSetDataType& data ) const ITK_OVERRIDE;
static inline LayerIdType MinusOneLayer() { return -1; }
static inline LayerIdType ZeroLayer() { return 0; }
static inline LayerIdType PlusOneLayer() { return 1; }
protected:
MalcolmSparseLevelSetImage();
virtual ~MalcolmSparseLevelSetImage() ITK_OVERRIDE;
/** Initialize the sparse field layers */
virtual void InitializeLayers() ITK_OVERRIDE;
virtual void InitializeInternalLabelList() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(MalcolmSparseLevelSetImage);
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMalcolmSparseLevelSetImage.hxx"
#endif
#endif // itkMalcolmSparseLevelSetImage_h
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