77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageGradientMagnitude.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 vtkImageGradientMagnitude
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* @brief Computes magnitude of the gradient.
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*
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*
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* vtkImageGradientMagnitude computes the gradient magnitude of an image.
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* Setting the dimensionality determines whether the gradient is computed on
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* 2D images, or 3D volumes. The default is two dimensional XY images.
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*
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* @sa
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* vtkImageGradient vtkImageMagnitude
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*/
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#ifndef vtkImageGradientMagnitude_h
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#define vtkImageGradientMagnitude_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 vtkImageGradientMagnitude : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageGradientMagnitude* New();
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vtkTypeMacro(vtkImageGradientMagnitude, vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@{
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/**
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* If "HandleBoundariesOn" then boundary pixels are duplicated
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* So central differences can get values.
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*/
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vtkSetMacro(HandleBoundaries, vtkTypeBool);
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vtkGetMacro(HandleBoundaries, vtkTypeBool);
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vtkBooleanMacro(HandleBoundaries, vtkTypeBool);
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///@}
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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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vtkImageGradientMagnitude();
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~vtkImageGradientMagnitude() override = default;
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vtkTypeBool HandleBoundaries;
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int Dimensionality;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void ThreadedExecute(vtkImageData* inData, vtkImageData* outData, int outExt[6], int id) override;
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private:
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vtkImageGradientMagnitude(const vtkImageGradientMagnitude&) = delete;
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void operator=(const vtkImageGradientMagnitude&) = delete;
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};
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#endif
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