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vtkImageLaplacian.h
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vtkImageLaplacian.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageLaplacian.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkImageLaplacian
* @brief Computes divergence of gradient.
*
* 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.
* Dimensionality determines how the input regions are interpreted.
* (images, or volumes). The Dimensionality defaults to two.
*/
#ifndef vtkImageLaplacian_h
#define vtkImageLaplacian_h
#include "vtkImagingGeneralModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
class VTKIMAGINGGENERAL_EXPORT vtkImageLaplacian : public vtkThreadedImageAlgorithm
{
public:
static vtkImageLaplacian *New();
vtkTypeMacro(vtkImageLaplacian,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
//@{
/**
* Determines how the input is interpreted (set of 2d slices ...)
*/
vtkSetClampMacro(Dimensionality,int,2,3);
vtkGetMacro(Dimensionality,int);
//@}
protected:
vtkImageLaplacian();
~vtkImageLaplacian()VTK_OVERRIDE {}
int Dimensionality;
int RequestUpdateExtent (vtkInformation *, vtkInformationVector **,
vtkInformationVector *) VTK_OVERRIDE;
void ThreadedRequestData(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector,
vtkImageData ***inData, vtkImageData **outData,
int outExt[6], int id) VTK_OVERRIDE;
private:
vtkImageLaplacian(const vtkImageLaplacian&) VTK_DELETE_FUNCTION;
void operator=(const vtkImageLaplacian&) VTK_DELETE_FUNCTION;
};
#endif