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100 lines
3.0 KiB
100 lines
3.0 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageShrink3D.h,v $
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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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// .NAME vtkImageShrink3D - Subsamples an image.
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// .SECTION Description
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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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#ifndef __vtkImageShrink3D_h
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#define __vtkImageShrink3D_h
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#include "vtkThreadedImageAlgorithm.h"
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class VTK_IMAGING_EXPORT vtkImageShrink3D : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageShrink3D *New();
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vtkTypeRevisionMacro(vtkImageShrink3D,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Set/Get the shrink factors
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vtkSetVector3Macro(ShrinkFactors,int);
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vtkGetVector3Macro(ShrinkFactors,int);
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// Description:
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// Set/Get the pixel to use as origin.
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vtkSetVector3Macro(Shift,int);
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vtkGetVector3Macro(Shift,int);
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// Description:
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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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void SetAveraging(int);
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int GetAveraging() {return this->GetMean();};
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vtkBooleanMacro(Averaging,int);
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void SetMean(int);
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vtkGetMacro(Mean,int);
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vtkBooleanMacro(Mean,int);
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void SetMinimum(int);
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vtkGetMacro(Minimum,int);
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vtkBooleanMacro(Minimum,int);
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void SetMaximum(int);
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vtkGetMacro(Maximum,int);
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vtkBooleanMacro(Maximum,int);
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void SetMedian(int);
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vtkGetMacro(Median,int);
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vtkBooleanMacro(Median,int);
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protected:
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vtkImageShrink3D();
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~vtkImageShrink3D() {};
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int ShrinkFactors[3];
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int Shift[3];
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int Mean;
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int Minimum;
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int Maximum;
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int Median;
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virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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void ThreadedRequestData(vtkInformation *request,
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector,
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vtkImageData ***inData, vtkImageData **outData,
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int ext[6], int id);
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void InternalRequestUpdateExtent(int *inExt, int *outExt);
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private:
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vtkImageShrink3D(const vtkImageShrink3D&); // Not implemented.
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void operator=(const vtkImageShrink3D&); // Not implemented.
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};
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#endif
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