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107 lines
3.0 KiB
C
107 lines
3.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageShrink3D.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 vtkImageShrink3D
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* @brief Subsamples an image.
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*
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* vtkImageShrink3D shrinks an image by sub sampling on a
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* uniform grid (integer multiples).
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*/
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#ifndef vtkImageShrink3D_h
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#define vtkImageShrink3D_h
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#include "vtkImagingCoreModule.h" // For export macro
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#include "vtkThreadedImageAlgorithm.h"
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class VTKIMAGINGCORE_EXPORT vtkImageShrink3D : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageShrink3D* New();
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vtkTypeMacro(vtkImageShrink3D, vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Set/Get the shrink factors
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*/
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vtkSetVector3Macro(ShrinkFactors, int);
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vtkGetVector3Macro(ShrinkFactors, int);
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//@}
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//@{
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/**
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* Set/Get the pixel to use as origin.
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*/
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vtkSetVector3Macro(Shift, int);
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vtkGetVector3Macro(Shift, int);
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//@}
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//@{
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/**
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* Choose Mean, Minimum, Maximum, Median or sub sampling.
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* The neighborhood operations are not centered on the sampled pixel.
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* This may cause a half pixel shift in your output image.
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* You can changed "Shift" to get around this.
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* vtkImageGaussianSmooth or vtkImageMean with strides.
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*/
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void SetAveraging(vtkTypeBool);
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vtkTypeBool GetAveraging() { return this->GetMean(); }
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vtkBooleanMacro(Averaging, vtkTypeBool);
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//@}
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void SetMean(vtkTypeBool);
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vtkGetMacro(Mean, vtkTypeBool);
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vtkBooleanMacro(Mean, vtkTypeBool);
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void SetMinimum(vtkTypeBool);
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vtkGetMacro(Minimum, vtkTypeBool);
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vtkBooleanMacro(Minimum, vtkTypeBool);
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void SetMaximum(vtkTypeBool);
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vtkGetMacro(Maximum, vtkTypeBool);
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vtkBooleanMacro(Maximum, vtkTypeBool);
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void SetMedian(vtkTypeBool);
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vtkGetMacro(Median, vtkTypeBool);
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vtkBooleanMacro(Median, vtkTypeBool);
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protected:
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vtkImageShrink3D();
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~vtkImageShrink3D() override {}
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int ShrinkFactors[3];
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int Shift[3];
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int Mean;
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vtkTypeBool Minimum;
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vtkTypeBool Maximum;
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vtkTypeBool Median;
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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 ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData, int ext[6],
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int id) override;
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void InternalRequestUpdateExtent(int* inExt, int* outExt);
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private:
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vtkImageShrink3D(const vtkImageShrink3D&) = delete;
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void operator=(const vtkImageShrink3D&) = delete;
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};
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#endif
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