Contour interpolator for placing points on an image. More...

#include <vtkDijkstraImageContourLineInterpolator.h>

Inheritance diagram for vtkDijkstraImageContourLineInterpolator:

Collaboration diagram for vtkDijkstraImageContourLineInterpolator:

Public Member Functions

virtual int	InterpolateLine (vtkRenderer ren, vtkContourRepresentation rep, int idx1, int idx2)


virtual void	SetCostImage (vtkImageData *)

virtual vtkImageData *	GetCostImage ()


virtual vtkDijkstraImageGeodesicPath *	GetDijkstraImageGeodesicPath ()

Public Member Functions inherited from vtkContourLineInterpolator
virtual int	UpdateNode (vtkRenderer , vtkContourRepresentation , double *vtkNotUsed(node), int vtkNotUsed(idx))

virtual void	GetSpan (int nodeIndex, vtkIntArray nodeIndices, vtkContourRepresentation rep)

vtkContourLineInterpolator *	NewInstance () const

Public Member Functions inherited from vtkObject
vtkObject *	NewInstance () const

virtual void	DebugOn ()

virtual void	DebugOff ()

bool	GetDebug ()

void	SetDebug (bool debugFlag)

virtual void	Modified ()

virtual unsigned long	GetMTime ()

unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)

unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)

vtkCommand *	GetCommand (unsigned long tag)

void	RemoveObserver (vtkCommand *)

void	RemoveObservers (unsigned long event, vtkCommand *)

void	RemoveObservers (const char event, vtkCommand )

int	HasObserver (unsigned long event, vtkCommand *)

int	HasObserver (const char event, vtkCommand )

void	RemoveObserver (unsigned long tag)

void	RemoveObservers (unsigned long event)

void	RemoveObservers (const char *event)

void	RemoveAllObservers ()

int	HasObserver (unsigned long event)

int	HasObserver (const char *event)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)

int	InvokeEvent (unsigned long event, void *callData)

int	InvokeEvent (const char event, void callData)

int	InvokeEvent (unsigned long event)

int	InvokeEvent (const char *event)

Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const

virtual void	Delete ()

virtual void	FastDelete ()

void	Print (ostream &os)

virtual void	Register (vtkObjectBase *o)

virtual void	UnRegister (vtkObjectBase *o)

void	SetReferenceCount (int)

void	PrintRevisions (ostream &)

virtual void	PrintHeader (ostream &os, vtkIndent indent)

virtual void	PrintTrailer (ostream &os, vtkIndent indent)

int	GetReferenceCount ()

Static Public Member Functions
static vtkDijkstraImageContourLineInterpolator *	New ()

Static Public Member Functions inherited from vtkContourLineInterpolator
static int	IsTypeOf (const char *type)

static vtkContourLineInterpolator *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkObject
static int	IsTypeOf (const char *type)

static vtkObject *	SafeDownCast (vtkObjectBase *o)

static vtkObject *	New ()

static void	BreakOnError ()

static void	SetGlobalWarningDisplay (int val)

static void	GlobalWarningDisplayOn ()

static void	GlobalWarningDisplayOff ()

static int	GetGlobalWarningDisplay ()

Static Public Member Functions inherited from vtkObjectBase
static int	IsTypeOf (const char *name)

static vtkObjectBase *	New ()

Protected Member Functions
	vtkDijkstraImageContourLineInterpolator ()

	~vtkDijkstraImageContourLineInterpolator ()

Protected Member Functions inherited from vtkContourLineInterpolator
	vtkContourLineInterpolator ()

	~vtkContourLineInterpolator ()

Protected Member Functions inherited from vtkObject
	vtkObject ()

virtual	~vtkObject ()

virtual void	RegisterInternal (vtkObjectBase *, int check)

virtual void	UnRegisterInternal (vtkObjectBase *, int check)

void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=NULL)

void	InternalReleaseFocus ()

Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()

virtual	~vtkObjectBase ()

virtual void	CollectRevisions (ostream &)

virtual void	ReportReferences (vtkGarbageCollector *)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Protected Attributes
vtkImageData *	CostImage

vtkDijkstraImageGeodesicPath *	DijkstraImageGeodesicPath

Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount

vtkWeakPointerBase **	WeakPointers

typedef vtkContourLineInterpolator	Superclass

static int	IsTypeOf (const char *type)

static vtkDijkstraImageContourLineInterpolator *	SafeDownCast (vtkObjectBase *o)

virtual int	IsA (const char *type)

vtkDijkstraImageContourLineInterpolator *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent)

virtual vtkObjectBase *	NewInstanceInternal () const

Additional Inherited Members
Public Types inherited from vtkContourLineInterpolator
typedef vtkObject	Superclass

Public Types inherited from vtkObject
typedef vtkObjectBase	Superclass

Detailed Description

Contour interpolator for placing points on an image.

vtkDijkstraImageContourLineInterpolator interpolates and places contour points on images. The class interpolates nodes by computing a graph laying on the image data. By graph, we mean that the line interpolating the two end points traverses along pixels so as to form a shortest path. A Dijkstra algorithm is used to compute the path.

The class is meant to be used in conjunction with vtkImageActorPointPlacer. One reason for this coupling is a performance issue: both classes need to perform a cell pick, and coupling avoids multiple cell picks (cell picks are slow). Another issue is that the interpolator may need to set the image input to its vtkDijkstraImageGeodesicPath ivar.

See also: vtkContourWidget vtkContourLineInterpolator vtkDijkstraImageGeodesicPath

Tests:: vtkDijkstraImageContourLineInterpolator (Tests)

Definition at line 49 of file vtkDijkstraImageContourLineInterpolator.h.

Member Typedef Documentation

typedef vtkContourLineInterpolator vtkDijkstraImageContourLineInterpolator::Superclass

Standard methods for instances of this class.

Definition at line 56 of file vtkDijkstraImageContourLineInterpolator.h.

Constructor & Destructor Documentation

vtkDijkstraImageContourLineInterpolator::vtkDijkstraImageContourLineInterpolator ( )

protected

vtkDijkstraImageContourLineInterpolator::~vtkDijkstraImageContourLineInterpolator ( )

protected

Member Function Documentation

static int vtkDijkstraImageContourLineInterpolator::IsTypeOf ( const char * type )

static

Standard methods for instances of this class.

virtual int vtkDijkstraImageContourLineInterpolator::IsA ( const char * type )

virtual

Standard methods for instances of this class.

Reimplemented from vtkContourLineInterpolator.

static vtkDijkstraImageContourLineInterpolator* vtkDijkstraImageContourLineInterpolator::SafeDownCast ( vtkObjectBase * o )

static

Standard methods for instances of this class.

virtual vtkObjectBase* vtkDijkstraImageContourLineInterpolator::NewInstanceInternal ( ) const

protectedvirtual

Standard methods for instances of this class.

Reimplemented from vtkContourLineInterpolator.

vtkDijkstraImageContourLineInterpolator* vtkDijkstraImageContourLineInterpolator::NewInstance ( ) const

Standard methods for instances of this class.

void vtkDijkstraImageContourLineInterpolator::PrintSelf	(	ostream &	os,
		vtkIndent	indent
	)

virtual

Standard methods for instances of this class.

Reimplemented from vtkContourLineInterpolator.

static vtkDijkstraImageContourLineInterpolator* vtkDijkstraImageContourLineInterpolator::New ( )

static

virtual int vtkDijkstraImageContourLineInterpolator::InterpolateLine	(	vtkRenderer *	ren,
		vtkContourRepresentation *	rep,
		int	idx1,
		int	idx2
	)

virtual

Subclasses that wish to interpolate a line segment must implement this. For instance vtkBezierContourLineInterpolator adds nodes between idx1 and idx2, that allow the contour to adhere to a bezier curve.

Implements vtkContourLineInterpolator.

virtual void vtkDijkstraImageContourLineInterpolator::SetCostImage ( vtkImageData * )

virtual

Set the image data for the vtkDijkstraImageGeodesicPath. If not set, the interpolator uses the image data input to the image actor. The image actor is obtained from the expected vtkImageActorPointPlacer.

virtual vtkImageData* vtkDijkstraImageContourLineInterpolator::GetCostImage ( )

virtual

Set the image data for the vtkDijkstraImageGeodesicPath. If not set, the interpolator uses the image data input to the image actor. The image actor is obtained from the expected vtkImageActorPointPlacer.

virtual vtkDijkstraImageGeodesicPath* vtkDijkstraImageContourLineInterpolator::GetDijkstraImageGeodesicPath ( )

virtual

access to the internal dijkstra path