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97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageResample.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 vtkImageResample
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* @brief Resamples an image to be larger or smaller.
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*
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* This filter produces an output with different spacing (and extent)
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* than the input. Linear interpolation can be used to resample the data.
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* The Output spacing can be set explicitly or relative to input spacing
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* with the SetAxisMagnificationFactor method.
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*/
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#ifndef vtkImageResample_h
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#define vtkImageResample_h
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#include "vtkImageReslice.h"
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#include "vtkImagingCoreModule.h" // For export macro
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class VTKIMAGINGCORE_EXPORT vtkImageResample : public vtkImageReslice
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{
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public:
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static vtkImageResample* New();
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vtkTypeMacro(vtkImageResample, vtkImageReslice);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Set desired spacing.
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* Zero is a reserved value indicating spacing has not been set.
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*/
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void SetOutputSpacing(double sx, double sy, double sz) override;
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void SetOutputSpacing(const double spacing[3]) override
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{
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this->SetOutputSpacing(spacing[0], spacing[1], spacing[2]);
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}
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void SetAxisOutputSpacing(int axis, double spacing);
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//@}
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//@{
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/**
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* Set/Get Magnification factors.
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* Zero is a reserved value indicating values have not been computed.
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*/
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void SetMagnificationFactors(double fx, double fy, double fz);
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void SetMagnificationFactors(const double f[3])
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{
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this->SetMagnificationFactors(f[0], f[1], f[2]);
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}
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vtkGetVector3Macro(MagnificationFactors, double);
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void SetAxisMagnificationFactor(int axis, double factor);
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//@}
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/**
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* Get the computed magnification factor for a specific axis.
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* The input information is required to compute the value.
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*/
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double GetAxisMagnificationFactor(int axis, vtkInformation* inInfo = nullptr);
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//@{
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/**
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* Dimensionality is the number of axes which are considered during
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* execution. To process images dimensionality would be set to 2.
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* This has the same effect as setting the magnification of the third
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* axis to 1.0
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*/
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vtkSetMacro(Dimensionality, int);
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vtkGetMacro(Dimensionality, int);
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//@}
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protected:
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vtkImageResample();
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~vtkImageResample() override {}
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double MagnificationFactors[3];
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int Dimensionality;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkImageResample(const vtkImageResample&) = delete;
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void operator=(const vtkImageResample&) = delete;
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};
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#endif
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