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vtkImageSkeleton2D Class Reference

Skeleton of 2D images. More...

#include <vtkImageSkeleton2D.h>

Inheritance diagram for vtkImageSkeleton2D:

[legend]Collaboration diagram for vtkImageSkeleton2D:

[legend]List of all members.

Public Methods
virtual const char *	GetClassName ()
virtual int	IsA (const char *type)
void	PrintSelf (ostream &os, vtkIndent indent)
void	SetNumberOfIterations (int num)
virtual void	IterativeExecuteData (vtkImageData *in, vtkImageData *out)
virtual void	SetPrune (int)
virtual int	GetPrune ()
virtual void	PruneOn ()
virtual void	PruneOff ()
Static Public Methods
vtkImageSkeleton2D *	New ()
int	IsTypeOf (const char *type)
vtkImageSkeleton2D *	SafeDownCast (vtkObject *o)
Protected Methods
	vtkImageSkeleton2D ()
	~vtkImageSkeleton2D ()
void	ComputeInputUpdateExtent (int inExt[6], int outExt[6])
void	ThreadedExecute (vtkImageData *inData, vtkImageData *outData, int outExt[6], int id)
Protected Attributes
int	Prune

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Detailed Description

Skeleton of 2D images.

Date:

2001/11/13 14:32:41

Revision:

1.25

Thanks:

Thanks to C. Charles Law who developed this class.

vtkImageSkeleton2D should leave only single pixel width lines of non-zero-valued pixels (values of 1 are not allowed). It works by erosion on a 3x3 neighborhood with special rules. The number of iterations determines how far the filter can erode. There are three pruning levels: prune == 0 will leave traces on all angles... prune == 1 will not leave traces on 135 degree angles, but will on 90. prune == 2 does not leave traces on any angles leaving only closed loops. Prune defaults to zero. The output scalar type is the same as the input.

Tests:

vtkImageSkeleton2D (Tests)

Definition at line 66 of file vtkImageSkeleton2D.h.

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Constructor & Destructor Documentation

vtkImageSkeleton2D::vtkImageSkeleton2D (    )  [protected]

vtkImageSkeleton2D::~vtkImageSkeleton2D (    )  [inline, protected]

Definition at line 88 of file vtkImageSkeleton2D.h.

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Member Function Documentation

vtkImageSkeleton2D* vtkImageSkeleton2D::New (    )  [static]

Instantiate object with no start, end, or progress methods. Reimplemented from vtkImageToImageFilter.

virtual const char* vtkImageSkeleton2D::GetClassName (    )  [virtual]

Return the class name as a string. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkImageIterateFilter.

int vtkImageSkeleton2D::IsTypeOf (  const char *    type )  [static]

Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkImageIterateFilter.

virtual int vtkImageSkeleton2D::IsA (  const char *    type )  [virtual]

Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkImageIterateFilter.

vtkImageSkeleton2D* vtkImageSkeleton2D::SafeDownCast (  vtkObject *    o )  [static]

Will cast the supplied object to vtkObject* is this is a safe operation (i.e., a safe downcast); otherwise NULL is returned. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkImageIterateFilter.

void vtkImageSkeleton2D::PrintSelf (  ostream &    os, vtkIndent    indent )  [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 vtkImageIterateFilter.

virtual void vtkImageSkeleton2D::SetPrune (  int    )  [virtual]

When prune is on, only closed loops are left unchanged.

virtual int vtkImageSkeleton2D::GetPrune (    )  [virtual]

When prune is on, only closed loops are left unchanged.

virtual void vtkImageSkeleton2D::PruneOn (    )  [virtual]

When prune is on, only closed loops are left unchanged.

virtual void vtkImageSkeleton2D::PruneOff (    )  [virtual]

When prune is on, only closed loops are left unchanged.

void vtkImageSkeleton2D::SetNumberOfIterations (  int    num )  [virtual]

Sets the number of cycles in the erosion. Reimplemented from vtkImageIterateFilter.

virtual void vtkImageSkeleton2D::IterativeExecuteData (  vtkImageData *    in, vtkImageData *    out )  [inline, virtual]

Reimplemented from vtkImageIterateFilter. Definition at line 83 of file vtkImageSkeleton2D.h.

void vtkImageSkeleton2D::ComputeInputUpdateExtent (  int    inExt[6], int    outExt[6] )  [protected, virtual]

Reimplemented from vtkImageIterateFilter.

void vtkImageSkeleton2D::ThreadedExecute (  vtkImageData *    inData, vtkImageData *    outData, int    outExt[6], int    id )  [protected, virtual]

If the subclass does not define an Execute method, then the task will be broken up, multiple threads will be spawned, and each thread will call this method. It is public so that the thread functions can call this method. Reimplemented from vtkImageToImageFilter.

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Member Data Documentation

int vtkImageSkeleton2D::Prune [protected]

Definition at line 90 of file vtkImageSkeleton2D.h.

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The documentation for this class was generated from the following file:

• Imaging/vtkImageSkeleton2D.h

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