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# itk::LevelSetFunction< TImageType > Class Template Reference [Finite Difference Functions, Functions]

#include <itkLevelSetFunction.h>

Inheritance diagram for itk::LevelSetFunction< TImageType >:

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Collaboration diagram for itk::LevelSetFunction< TImageType >:

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List of all members.

## Detailed Description

### template<class TImageType> class itk::LevelSetFunction< TImageType >

The LevelSetFunction class is a generic function object which can be used to create a level set method filter when combined with an appropriate finite difference image filter. (See FiniteDifferenceImageFilter.).

LevelSetFunction implements a generic level set function. This function is an expanded form of the basic equation developed in [1].

where is an advection term, is a propagation (growth) term, and is a spatial modifier term for the mean curvature . , , and are all scalar constants.

Terms in the equation above are supplied through virtual methods, which must be subclassed to complete an implementation. Terms can be eliminated from the equation by setting the corresponding constants to zero. A wide variety of level set methods can be implemented by subclassing this basic equation.

In ITK, the usual sign convention is that the INSIDE of a surface contains NEGATIVE values and the OUTSIDE of the surface contains POSITIVE values.

Warning:
You MUST call Initialize() in the constructor of subclasses of this object to set it up properly to do level-set Calculations. The argument that you pass Initialize is the radius of the neighborhood needed to perform the calculations. If your subclass does not do any additional neighborhood processing, then the default radius should be 1 in each direction.
REFERENCES
[1] Sethian, J.A. Level Set Methods. Cambridge University Press. 1996.

Definition at line 64 of file itkLevelSetFunction.h.

## Public Types

typedef SmartPointer< const
Self
ConstPointer
typedef ZeroFluxNeumannBoundaryCondition<
ImageType
DefaultBoundaryConditionType
typedef Superclass::FloatOffsetType FloatOffsetType
typedef Superclass::ImageType ImageType
typedef Superclass::NeighborhoodScalesType NeighborhoodScalesType
typedef Superclass::NeighborhoodType NeighborhoodType
typedef Superclass::PixelRealType PixelRealType
typedef Superclass::PixelType PixelType
typedef SmartPointer< SelfPointer
typedef PixelType ScalarValueType
typedef LevelSetFunction Self
typedef FiniteDifferenceFunction<
TImageType >
Superclass
typedef double TimeStepType
typedef FixedArray< ScalarValueType,
itkGetStaticConstMacro(ImageDimension)>
VectorType

## Public Member Functions

virtual VectorType AdvectionField (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *=0) const
virtual ScalarValueType Compute3DMinimalCurvature (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *gd=0)
virtual TimeStepType ComputeGlobalTimeStep (void *GlobalData) const
virtual ScalarValueType ComputeMinimalCurvature (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *gd=0)
const NeighborhoodScalesType ComputeNeighborhoodScales () const
virtual PixelType ComputeUpdate (const NeighborhoodType &neighborhood, void *globalData, const FloatOffsetType &=FloatOffsetType(0.0))
virtual Pointer CreateAnother () const
virtual ScalarValueType CurvatureSpeed (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *=0) const
virtual void Delete ()
virtual const char * GetNameOfClass () const
virtual int GetReferenceCount () const
virtual void Initialize (const RadiusType &r)
virtual void InitializeIteration ()
itkStaticConstMacro (ImageDimension, unsigned int, ImageType::ImageDimension)
itkStaticConstMacro (ImageDimension, unsigned int, Superclass::ImageDimension)
virtual ScalarValueType LaplacianSmoothingSpeed (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *=0) const
void Print (std::ostream &os, Indent indent=0) const
virtual ScalarValueType PropagationSpeed (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *=0) const
virtual void Register () const
virtual void ReleaseGlobalDataPointer (void *GlobalData) const
virtual void SetReferenceCount (int)
virtual void UnRegister () const
virtual ScalarValueType ComputeCurvatureTerm (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *gd=0)
virtual ScalarValueType ComputeMeanCurvature (const NeighborhoodType &, const FloatOffsetType &, GlobalDataStruct *gd=0)
virtual void SetAdvectionWeight (const ScalarValueType a)
ScalarValueType GetCurvatureWeight () const
virtual void SetCurvatureWeight (const ScalarValueType c)
ScalarValueType GetEpsilonMagnitude () const
void SetEpsilonMagnitude (const ScalarValueType e)
virtual void * GetGlobalDataPointer () const
ScalarValueType GetLaplacianSmoothingWeight () const
void SetLaplacianSmoothingWeight (const ScalarValueType c)
ScalarValueType GetPropagationWeight () const
virtual void SetPropagationWeight (const ScalarValueType p)
bool GetUseMinimalCurvature () const
void SetUseMinimalCurvature (bool b)
void UseMinimalCurvatureOff ()
void UseMinimalCurvatureOn ()
void SetScaleCoefficients (PixelRealType vals[ImageDimension])

## Static Public Member Functions

static void BreakOnError ()
static Pointer New ()
static double GetMaximumCurvatureTimeStep ()
static void SetMaximumCurvatureTimeStep (double n)
static double GetMaximumPropagationTimeStep ()
static void SetMaximumPropagationTimeStep (double n)

## Protected Types

typedef int InternalReferenceCountType

## Protected Member Functions

LevelSetFunction ()
void PrintSelf (std::ostream &s, Indent indent) const
virtual ~LevelSetFunction ()
virtual void PrintHeader (std::ostream &os, Indent indent) const
virtual void PrintTrailer (std::ostream &os, Indent indent) const

## Static Protected Member Functions

static VectorType InitializeZeroVectorConstant ()

## Protected Attributes

::vcl_size_t m_Center
ScalarValueType m_CurvatureWeight
ScalarValueType m_EpsilonMagnitude
ScalarValueType m_LaplacianSmoothingWeight
ScalarValueType m_PropagationWeight
InternalReferenceCountType m_ReferenceCount
SimpleFastMutexLock m_ReferenceCountLock
PixelRealType m_ScaleCoefficients [ImageDimension]
bool m_UseMinimalCurvature
::vcl_size_t m_xStride [itkGetStaticConstMacro(ImageDimension)]
std::slice x_slice [itkGetStaticConstMacro(ImageDimension)]

## Static Protected Attributes

static double m_DT
static double m_WaveDT
static VectorType m_ZeroVectorConstant

## Classes

struct  GlobalDataStruct

## Member Typedef Documentation

template<class TImageType>
 typedef ZeroFluxNeumannBoundaryCondition itk::FiniteDifferenceFunction< TImageType >::DefaultBoundaryConditionType [inherited]

The default boundary condition for finite difference functions that is used unless overridden in the Evaluate() method.

Definition at line 92 of file itkFiniteDifferenceFunction.h.

template<class TImageType>
 typedef Superclass::FloatOffsetType itk::LevelSetFunction< TImageType >::FloatOffsetType

A floating point offset from an image grid location. Used for interpolation among grid values in a neighborhood.

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Definition at line 92 of file itkLevelSetFunction.h.

 typedef int itk::LightObject::InternalReferenceCountType [protected, inherited]

Define the type of the reference count according to the target. This allows the use of atomic operations

Definition at line 139 of file itkLightObject.h.

template<class TImageType>
 typedef Superclass::NeighborhoodScalesType itk::LevelSetFunction< TImageType >::NeighborhoodScalesType

The type of data structure that holds the scales with which the neighborhood is weighted to properly account for spacing and neighborhood radius.

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Reimplemented in itk::LevelSetFunctionWithRefitTerm< TImageType, TSparseImageType >.

Definition at line 91 of file itkLevelSetFunction.h.

template<class TImageType>
 typedef Superclass::NeighborhoodType itk::LevelSetFunction< TImageType >::NeighborhoodType

The type of data structure that is passed to this function object to evaluate at a pixel that does not lie on a data set boundary.

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Definition at line 90 of file itkLevelSetFunction.h.

template<class TImageType>
 typedef Superclass::PixelRealType itk::LevelSetFunction< TImageType >::PixelRealType

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Reimplemented in itk::SegmentationLevelSetFunction< TImageType, TFeatureImageType >.

Definition at line 88 of file itkLevelSetFunction.h.

template<class TImageType>
 typedef Superclass::PixelType itk::LevelSetFunction< TImageType >::PixelType

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Definition at line 86 of file itkLevelSetFunction.h.

template<class TImageType>
 typedef double itk::LevelSetFunction< TImageType >::TimeStepType

Convenient typedefs.

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

Definition at line 84 of file itkLevelSetFunction.h.

template<class TImageType>
 typedef FixedArray itk::LevelSetFunction< TImageType >::VectorType

The vector type that will be used in the calculations.

Reimplemented in itk::SegmentationLevelSetFunction< TImageType, TFeatureImageType >.

Definition at line 96 of file itkLevelSetFunction.h.

## Constructor & Destructor Documentation

template<class TImageType>
 itk::LevelSetFunction< TImageType >::LevelSetFunction ( ) [inline, protected]

Definition at line 295 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual itk::LevelSetFunction< TImageType >::~LevelSetFunction ( ) [inline, protected, virtual]

Definition at line 303 of file itkLevelSetFunction.h.

## Member Function Documentation

template<class TImageType>
 virtual VectorType itk::LevelSetFunction< TImageType >::AdvectionField ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * = 0 ) const [inline, virtual]

Advection field. Default implementation returns a vector of zeros.

Reimplemented in itk::SegmentationLevelSetFunction< TImageType, TFeatureImageType >.

Definition at line 124 of file itkLevelSetFunction.h.

 static void itk::LightObject::BreakOnError ( ) [static, inherited]

This method is called when itkExceptionMacro executes. It allows the debugger to break on error.

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::Compute3DMinimalCurvature ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * gd = 0 ) [virtual]

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::ComputeCurvatureTerm ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * gd = 0 ) [virtual]

template<class TImageType>
 virtual TimeStepType itk::LevelSetFunction< TImageType >::ComputeGlobalTimeStep ( void * GlobalData ) const [virtual]

Computes the time step for an update given a global data structure. The data used in the computation may take different forms depending on the nature of the equations. This global data cannot be kept in the instance of the equation object itself since the equation object must remain stateless for thread safety. The global data is therefore managed for each thread by the finite difference solver filters.

Implements itk::FiniteDifferenceFunction< TImageType >.

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::ComputeMeanCurvature ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * gd = 0 ) [virtual]

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::ComputeMinimalCurvature ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * gd = 0 ) [virtual]

template<class TImageType>
 const NeighborhoodScalesType itk::FiniteDifferenceFunction< TImageType >::ComputeNeighborhoodScales ( ) const [inherited]

Compute the scales that weight the neighborhood during difference operations to properly account for spacing and neighborhood radius

template<class TImageType>
 virtual PixelType itk::LevelSetFunction< TImageType >::ComputeUpdate ( const NeighborhoodType & neighborhood, void * globalData, const FloatOffsetType & = FloatOffsetType(0.0) ) [virtual]

Compute the equation value.

Implements itk::FiniteDifferenceFunction< TImageType >.

 virtual Pointer itk::LightObject::CreateAnother ( ) const [virtual, inherited]

Create an object from an instance, potentially deferring to a factory. This method allows you to create an instance of an object that is exactly the same type as the referring object. This is useful in cases where an object has been cast back to a base class.

Reimplemented in itk::Object.

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::CurvatureSpeed ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * = 0 ) const [inline, virtual]

Curvature speed. Can be used to spatially modify the effects of curvature . The default implementation returns one.

Definition at line 137 of file itkLevelSetFunction.h.

 virtual void itk::LightObject::Delete ( ) [virtual, inherited]

Delete an itk object. This method should always be used to delete an object when the new operator was used to create it. Using the C delete method will not work with reference counting.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::GetAdvectionWeight ( ) const [inline]

Definition at line 152 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::GetCurvatureWeight ( ) const [inline]

Definition at line 166 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::GetEpsilonMagnitude ( ) const [inline]

Definition at line 180 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual void* itk::LevelSetFunction< TImageType >::GetGlobalDataPointer ( ) const [inline, virtual]

Returns a pointer to a global data structure that is passed to this object from the solver at each calculation. The idea is that the solver holds the state of any global values needed to calculate the time step, while the equation object performs the actual calculations. The global data should also be initialized in this method. Global data can be used for caching any values used or reused by the FunctionObject. Each thread should receive its own global data struct.

Implements itk::FiniteDifferenceFunction< TImageType >.

Definition at line 204 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::GetLaplacianSmoothingWeight ( ) const [inline]

Definition at line 173 of file itkLevelSetFunction.h.

template<class TImageType>
 static double itk::LevelSetFunction< TImageType >::GetMaximumCurvatureTimeStep ( ) [inline, static]

Definition at line 274 of file itkLevelSetFunction.h.

template<class TImageType>
 static double itk::LevelSetFunction< TImageType >::GetMaximumPropagationTimeStep ( ) [inline, static]

Definition at line 288 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual const char* itk::LevelSetFunction< TImageType >::GetNameOfClass ( ) const [virtual]

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::GetPropagationWeight ( ) const [inline]

Definition at line 159 of file itkLevelSetFunction.h.

template<class TImageType>

Returns the radius of the neighborhood this FiniteDifferenceFunction needs to perform its calculations.

Definition at line 146 of file itkFiniteDifferenceFunction.h.

 virtual int itk::LightObject::GetReferenceCount ( ) const [inline, virtual, inherited]

Gets the reference count on this object.

Definition at line 106 of file itkLightObject.h.

template<class TImageType>
 bool itk::LevelSetFunction< TImageType >::GetUseMinimalCurvature ( ) const [inline]

Definition at line 252 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual void itk::LevelSetFunction< TImageType >::Initialize ( const RadiusType & r ) [virtual]

This method creates the appropriate member variable operators for the level-set calculations. The argument to this function is a the radius necessary for performing the level-set calculations.

Reimplemented in itk::SegmentationLevelSetFunction< TImageType, TFeatureImageType >.

template<class TImageType>
 virtual void itk::FiniteDifferenceFunction< TImageType >::InitializeIteration ( ) [inline, virtual, inherited]

This method allows the function to set its state before each iteration of the finite difference solver (image filter) that uses it. This is a thread-safe time to manipulate the object's state.

An example of how this can be used: the Anisotropic diffusion class of FiniteDifferenceFunctions use this method to pre-calculate an average gradient magnitude across the entire image region. This value is set in the function object and used by the ComputeUpdate methods that are called at each pixel as a constant.

Definition at line 118 of file itkFiniteDifferenceFunction.h.

template<class TImageType>
 static VectorType itk::LevelSetFunction< TImageType >::InitializeZeroVectorConstant ( ) [static, protected]

This method's only purpose is to initialize the zero vector constant.

template<class TImageType>
 itk::FiniteDifferenceFunction< TImageType >::itkStaticConstMacro ( ImageDimension , unsigned int, ImageType::ImageDimension ) [inherited]

Save image dimension.

template<class TImageType>
 itk::LevelSetFunction< TImageType >::itkStaticConstMacro ( ImageDimension , unsigned int, Superclass::ImageDimension )

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::LaplacianSmoothingSpeed ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * = 0 ) const [inline, virtual]

Laplacian smoothing speed. Can be used to spatially modify the effects of laplacian smoothing of the level set function

Definition at line 144 of file itkLevelSetFunction.h.

template<class TImageType>
 static Pointer itk::LevelSetFunction< TImageType >::New ( ) [static]

 void itk::LightObject::Print ( std::ostream & os, Indent indent = 0 ) const [inherited]

Cause the object to print itself out.

Referenced by itk::WeakPointer< itk::ProcessObject >::Print().

 virtual void itk::LightObject::PrintHeader ( std::ostream & os, Indent indent ) const [protected, virtual, inherited]

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::PrintSelf ( std::ostream & s, Indent indent ) const [protected, virtual]

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::FiniteDifferenceFunction< TImageType >.

 virtual void itk::LightObject::PrintTrailer ( std::ostream & os, Indent indent ) const [protected, virtual, inherited]

template<class TImageType>
 virtual ScalarValueType itk::LevelSetFunction< TImageType >::PropagationSpeed ( const NeighborhoodType & , const FloatOffsetType & , GlobalDataStruct * = 0 ) const [inline, virtual]

Propagation speed. This term controls surface expansion/contraction. Default implementation returns zero.

Reimplemented in itk::SegmentationLevelSetFunction< TImageType, TFeatureImageType >.

Definition at line 130 of file itkLevelSetFunction.h.

 virtual void itk::LightObject::Register ( ) const [virtual, inherited]

Increase the reference count (mark as used by another object).

Reimplemented in itk::Object.

template<class TImageType>
 virtual void itk::LevelSetFunction< TImageType >::ReleaseGlobalDataPointer ( void * GlobalData ) const [inline, virtual]

When the finite difference solver filter has finished using a global data pointer, it passes it to this method, which frees the memory. The solver cannot free the memory because it does not know the type to which the pointer points.

Implements itk::FiniteDifferenceFunction< TImageType >.

Definition at line 223 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual void itk::LevelSetFunction< TImageType >::SetAdvectionWeight ( const ScalarValueType a ) [inline, virtual]

Alpha. Scales all advection term values.

Definition at line 150 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual void itk::LevelSetFunction< TImageType >::SetCurvatureWeight ( const ScalarValueType c ) [inline, virtual]

Gamma. Scales all curvature weight values

Definition at line 164 of file itkLevelSetFunction.h.

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::SetEpsilonMagnitude ( const ScalarValueType e ) [inline]

Epsilon.

Definition at line 178 of file itkLevelSetFunction.h.

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::SetLaplacianSmoothingWeight ( const ScalarValueType c ) [inline]

Weight of the laplacian smoothing term

Definition at line 171 of file itkLevelSetFunction.h.

template<class TImageType>
 static void itk::LevelSetFunction< TImageType >::SetMaximumCurvatureTimeStep ( double n ) [inline, static]

Set/Get the maximum constraint for the curvature term factor in the time step calculation. Changing this value from the default is not recommended or necessary, but can be used to speed up the surface evolution at the risk of creating an unstable solution.

Definition at line 270 of file itkLevelSetFunction.h.

template<class TImageType>
 static void itk::LevelSetFunction< TImageType >::SetMaximumPropagationTimeStep ( double n ) [inline, static]

Set/Get the maximum constraint for the scalar/vector term factor of the time step calculation. Changing this value from the default is not recommended or necessary, but can be used to speed up the surface evolution at the risk of creating an unstable solution.

Definition at line 284 of file itkLevelSetFunction.h.

template<class TImageType>
 virtual void itk::LevelSetFunction< TImageType >::SetPropagationWeight ( const ScalarValueType p ) [inline, virtual]

Beta. Scales all propagation term values.

Definition at line 157 of file itkLevelSetFunction.h.

template<class TImageType>
 void itk::FiniteDifferenceFunction< TImageType >::SetRadius ( const RadiusType & r ) [inline, inherited]

Sets the radius of the neighborhood this FiniteDifferenceFunction needs to perform its calculations.

Definition at line 141 of file itkFiniteDifferenceFunction.h.

 virtual void itk::LightObject::SetReferenceCount ( int ) [virtual, inherited]

Sets the reference count on this object. This is a dangerous method, use it with care.

Reimplemented in itk::Object.

template<class TImageType>
 void itk::FiniteDifferenceFunction< TImageType >::SetScaleCoefficients ( PixelRealType vals[ImageDimension] ) [inline, inherited]

Set the ScaleCoefficients for the difference operators. The defaults a 1.0. These can be set to take the image spacing into account.

Definition at line 152 of file itkFiniteDifferenceFunction.h.

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::SetUseMinimalCurvature ( bool b ) [inline]

Definition at line 248 of file itkLevelSetFunction.h.

 virtual void itk::LightObject::UnRegister ( ) const [virtual, inherited]

Decrease the reference count (release by another object).

Reimplemented in itk::Object.

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::UseMinimalCurvatureOff ( ) [inline]

Definition at line 260 of file itkLevelSetFunction.h.

template<class TImageType>
 void itk::LevelSetFunction< TImageType >::UseMinimalCurvatureOn ( ) [inline]

Definition at line 256 of file itkLevelSetFunction.h.

## Member Data Documentation

template<class TImageType>

Alpha.

Definition at line 332 of file itkLevelSetFunction.h.

template<class TImageType>
 :: vcl_size_t itk::LevelSetFunction< TImageType >::m_Center [protected]

The offset of the center pixel in the neighborhood.

Definition at line 314 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::m_CurvatureWeight [protected]

Gamma.

Definition at line 338 of file itkLevelSetFunction.h.

template<class TImageType>
 double itk::LevelSetFunction< TImageType >::m_DT [static, protected]

Definition at line 308 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::m_EpsilonMagnitude [protected]

Epsilon magnitude controls the lower limit for gradient magnitude.

Definition at line 329 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::m_LaplacianSmoothingWeight [protected]

Laplacean smoothing term

Definition at line 341 of file itkLevelSetFunction.h.

template<class TImageType>
 ScalarValueType itk::LevelSetFunction< TImageType >::m_PropagationWeight [protected]

Beta.

Definition at line 335 of file itkLevelSetFunction.h.

template<class TImageType>

Definition at line 203 of file itkFiniteDifferenceFunction.h.

 InternalReferenceCountType itk::LightObject::m_ReferenceCount [mutable, protected, inherited]

Number of uses of this object by other objects.

Definition at line 144 of file itkLightObject.h.

 SimpleFastMutexLock itk::LightObject::m_ReferenceCountLock [mutable, protected, inherited]

Mutex lock to protect modification to the reference count

Definition at line 147 of file itkLightObject.h.

template<class TImageType>
 PixelRealType itk::FiniteDifferenceFunction< TImageType >::m_ScaleCoefficients[ImageDimension] [protected, inherited]

Definition at line 204 of file itkFiniteDifferenceFunction.h.

template<class TImageType>
 bool itk::LevelSetFunction< TImageType >::m_UseMinimalCurvature [protected]

Definition at line 319 of file itkLevelSetFunction.h.

template<class TImageType>
 double itk::LevelSetFunction< TImageType >::m_WaveDT [static, protected]

Constants used in the time step calculation.

Definition at line 307 of file itkLevelSetFunction.h.

template<class TImageType>
 :: vcl_size_t itk::LevelSetFunction< TImageType >::m_xStride[itkGetStaticConstMacro(ImageDimension)] [protected]

Stride length along the y-dimension.

Definition at line 317 of file itkLevelSetFunction.h.

template<class TImageType>
 VectorType itk::LevelSetFunction< TImageType >::m_ZeroVectorConstant [static, protected]

Zero vector constant.

Definition at line 326 of file itkLevelSetFunction.h.

template<class TImageType>
 std::slice itk::LevelSetFunction< TImageType >::x_slice[itkGetStaticConstMacro(ImageDimension)] [protected]

Slices for the ND neighborhood.

Definition at line 311 of file itkLevelSetFunction.h.

The documentation for this class was generated from the following file:
Generated at Thu Nov 6 07:36:07 2008 for ITK by 1.5.1 written by Dimitri van Heesch, © 1997-2000