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