77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: vtkImageIdealHighPass.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 vtkImageIdealHighPass
|
|
* @brief Simple frequency domain band pass.
|
|
*
|
|
* This filter only works on an image after it has been converted to
|
|
* frequency domain by a vtkImageFFT filter. A vtkImageRFFT filter
|
|
* can be used to convert the output back into the spatial domain.
|
|
* vtkImageIdealHighPass just sets a portion of the image to zero. The sharp
|
|
* cutoff in the frequence domain produces ringing in the spatial domain.
|
|
* Input and Output must be doubles. Dimensionality is set when the axes are
|
|
* set. Defaults to 2D on X and Y axes.
|
|
*
|
|
* @sa
|
|
* vtkImageButterworthHighPass vtkImageIdealLowPass vtkImageFFT vtkImageRFFT
|
|
*/
|
|
|
|
#ifndef vtkImageIdealHighPass_h
|
|
#define vtkImageIdealHighPass_h
|
|
|
|
#include "vtkImagingFourierModule.h" // For export macro
|
|
#include "vtkThreadedImageAlgorithm.h"
|
|
|
|
class VTKIMAGINGFOURIER_EXPORT vtkImageIdealHighPass : public vtkThreadedImageAlgorithm
|
|
{
|
|
public:
|
|
static vtkImageIdealHighPass* New();
|
|
vtkTypeMacro(vtkImageIdealHighPass, vtkThreadedImageAlgorithm);
|
|
void PrintSelf(ostream& os, vtkIndent indent) override;
|
|
|
|
///@{
|
|
/**
|
|
* Set/Get the cutoff frequency for each axis.
|
|
* The values are specified in the order X, Y, Z, Time.
|
|
* Units: Cycles per world unit (as defined by the data spacing).
|
|
*/
|
|
vtkSetVector3Macro(CutOff, double);
|
|
void SetCutOff(double v) { this->SetCutOff(v, v, v); }
|
|
void SetXCutOff(double cutOff);
|
|
void SetYCutOff(double cutOff);
|
|
void SetZCutOff(double cutOff);
|
|
vtkGetVector3Macro(CutOff, double);
|
|
double GetXCutOff() { return this->CutOff[0]; }
|
|
double GetYCutOff() { return this->CutOff[1]; }
|
|
double GetZCutOff() { return this->CutOff[2]; }
|
|
///@}
|
|
|
|
protected:
|
|
vtkImageIdealHighPass();
|
|
~vtkImageIdealHighPass() override = default;
|
|
|
|
double CutOff[3];
|
|
|
|
void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
|
|
vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData,
|
|
int outExt[6], int id) override;
|
|
|
|
private:
|
|
vtkImageIdealHighPass(const vtkImageIdealHighPass&) = delete;
|
|
void operator=(const vtkImageIdealHighPass&) = delete;
|
|
};
|
|
|
|
#endif
|