Detailed Description

template<typename TInput = float, typename TOutput = double>
class itk::HeavisideStepFunction< TInput, TOutput >

Implementation of the classical Heaviside step function.

The Heaviside Step function is a piece-wise function:

http://en.wikipedia.org/wiki/Heaviside_step_function

Author: Mosaliganti K., Smith B., Gelas A., Gouaillard A., Megason S.

This code was taken from the Insight Journal paper:

"Cell Tracking using Coupled Active Surfaces for Nuclei and Membranes"
http://www.insight-journal.org/browse/publication/642
http://hdl.handle.net/10380/3055

That is based on the papers:

"Level Set Segmentation: Active Contours without edge"
http://www.insight-journal.org/browse/publication/322
http://hdl.handle.net/1926/1532

and

"Level set segmentation using coupled active surfaces"
http://www.insight-journal.org/browse/publication/323
http://hdl.handle.net/1926/1533

Definition at line 59 of file itkHeavisideStepFunction.h.

Public Types
typedef SmartPointer< const Self >	ConstPointer

typedef Superclass::InputType	InputType

typedef Superclass::OutputType	OutputType

typedef SmartPointer< Self >	Pointer

typedef HeavisideStepFunction	Self

typedef HeavisideStepFunctionBase < TInput, TOutput >	Superclass

Public Types inherited from itk::HeavisideStepFunctionBase< TInput, TOutput >
typedef SmartPointer< const Self >	ConstPointer

typedef Superclass::InputType	InputType

typedef Superclass::OutputType	OutputType

typedef SmartPointer< Self >	Pointer

typedef HeavisideStepFunctionBase	Self

typedef FunctionBase< TInput, TOutput >	Superclass

Public Types inherited from itk::FunctionBase< TInput, TOutput >
typedef SmartPointer< const Self >	ConstPointer

typedef TInput	InputType

typedef TOutput	OutputType

typedef SmartPointer< Self >	Pointer

typedef FunctionBase	Self

typedef Object	Superclass

Public Types inherited from itk::Object
typedef SmartPointer< const Self >	ConstPointer

typedef SmartPointer< Self >	Pointer

typedef Object	Self

typedef LightObject	Superclass

Public Types inherited from itk::LightObject
typedef SmartPointer< const Self >	ConstPointer

typedef SmartPointer< Self >	Pointer

typedef LightObject	Self

Public Member Functions
virtual ::itk::LightObject::Pointer	CreateAnother (void) const

OutputType	Evaluate (const InputType &input) const

OutputType	EvaluateDerivative (const InputType &input) const

virtual const char *	GetNameOfClass () const

Public Member Functions inherited from itk::HeavisideStepFunctionBase< TInput, TOutput >
	typedef (Concept::Convertible< double, TInput >) DoubleConvertibleToInputCheck

	typedef (Concept::Convertible< double, TOutput >) DoubleConvertibleToOutputCheck

Static Public Member Functions
static Pointer	New ()

Protected Member Functions
	HeavisideStepFunction ()

	~HeavisideStepFunction ()

Protected Member Functions inherited from itk::HeavisideStepFunctionBase< TInput, TOutput >
	HeavisideStepFunctionBase ()

virtual	~HeavisideStepFunctionBase ()

Protected Member Functions inherited from itk::FunctionBase< TInput, TOutput >
	FunctionBase ()

	~FunctionBase ()

Protected Member Functions inherited from itk::Object
	Object ()

bool	PrintObservers (std::ostream &os, Indent indent) const

virtual void	PrintSelf (std::ostream &os, Indent indent) const

virtual void	SetTimeStamp (const TimeStamp &time)

virtual	~Object ()

Protected Member Functions inherited from itk::LightObject
virtual LightObject::Pointer	InternalClone () const

	LightObject ()

virtual void	PrintHeader (std::ostream &os, Indent indent) const

virtual void	PrintTrailer (std::ostream &os, Indent indent) const

virtual	~LightObject ()

Private Member Functions
	HeavisideStepFunction (const Self &)

void	operator= (const Self &)

Additional Inherited Members
Protected Types inherited from itk::LightObject
typedef int	InternalReferenceCountType

Protected Attributes inherited from itk::LightObject
InternalReferenceCountType	m_ReferenceCount

SimpleFastMutexLock	m_ReferenceCountLock