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vtkImageLaplacian Class Reference

Computes divergence of gradient. More...

#include <vtkImageLaplacian.h>

Inheritance diagram for vtkImageLaplacian:

[legend]Collaboration diagram for vtkImageLaplacian:

[legend]List of all members.

Public Methods
virtual const char *	GetClassName ()
virtual int	IsA (const char *type)
void	PrintSelf (ostream &os, vtkIndent indent)
virtual void	SetDimensionality (int)
virtual int	GetDimensionality ()
Static Public Methods
vtkImageLaplacian *	New ()
int	IsTypeOf (const char *type)
vtkImageLaplacian *	SafeDownCast (vtkObject *o)
Protected Methods
	vtkImageLaplacian ()
	~vtkImageLaplacian ()
	vtkImageLaplacian (const vtkImageLaplacian &)
void	operator= (const vtkImageLaplacian &)
void	ComputeInputUpdateExtent (int inExt[6], int outExt[6])
void	ThreadedExecute (vtkImageData *inData, vtkImageData *outData, int ext[6], int id)
Protected Attributes
int	Dimensionality

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Detailed Description

Computes divergence of gradient.

Date:

2000/12/10 20:09:07

Revision:

1.24

Thanks:

Thanks to C. Charles Law who developed this class.

vtkimageLaplacian computes the Laplacian (like a second derivative) of a scalar image. The operation is the same as taking the divergence after a gradient. Boundaries are handled, so the input is the same as the output. The output is always float. Dimensionality determines how the input regions are interpreted. (images, or volumes). The Dimensionality defaults to two.

Examples:

vtkImageLaplacian (examples)

Definition at line 64 of file vtkImageLaplacian.h.

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Constructor & Destructor Documentation

vtkImageLaplacian::vtkImageLaplacian (    )  [protected]

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

Definition at line 77 of file vtkImageLaplacian.h.

vtkImageLaplacian::vtkImageLaplacian (  const vtkImageLaplacian &    )  [inline, protected]

Definition at line 78 of file vtkImageLaplacian.h.

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Member Function Documentation

vtkImageLaplacian* vtkImageLaplacian::New (    )  [static]

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

virtual const char* vtkImageLaplacian::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 vtkImageToImageFilter.

int vtkImageLaplacian::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 vtkImageToImageFilter.

virtual int vtkImageLaplacian::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 vtkImageToImageFilter.

vtkImageLaplacian* vtkImageLaplacian::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 vtkImageToImageFilter.

void vtkImageLaplacian::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 vtkImageToImageFilter.

virtual void vtkImageLaplacian::SetDimensionality (  int    )  [virtual]

Determines how the input is interpreted (set of 2d slices ...)

virtual int vtkImageLaplacian::GetDimensionality (    )  [virtual]

void vtkImageLaplacian::operator= (  const vtkImageLaplacian &    )  [inline, protected]

Definition at line 79 of file vtkImageLaplacian.h.

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

Reimplemented from vtkImageToImageFilter.

void vtkImageLaplacian::ThreadedExecute (  vtkImageData *    inData, vtkImageData *    outData, int    ext[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 vtkImageLaplacian::Dimensionality [protected]

Definition at line 81 of file vtkImageLaplacian.h.

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

• imaging/vtkImageLaplacian.h

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