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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageMathematics.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 vtkImageMathematics
* @brief Add, subtract, multiply, divide, invert, sin,
* cos, exp, log.
*
* vtkImageMathematics implements basic mathematic operations SetOperation is
* used to select the filters behavior. The filter can take two or one
* input.
*/
#ifndef vtkImageMathematics_h
#define vtkImageMathematics_h
// Operation options.
#define VTK_ADD 0
#define VTK_SUBTRACT 1
#define VTK_MULTIPLY 2
#define VTK_DIVIDE 3
#define VTK_INVERT 4
#define VTK_SIN 5
#define VTK_COS 6
#define VTK_EXP 7
#define VTK_LOG 8
#define VTK_ABS 9
#define VTK_SQR 10
#define VTK_SQRT 11
#define VTK_MIN 12
#define VTK_MAX 13
#define VTK_ATAN 14
#define VTK_ATAN2 15
#define VTK_MULTIPLYBYK 16
#define VTK_ADDC 17
#define VTK_CONJUGATE 18
#define VTK_COMPLEX_MULTIPLY 19
#define VTK_REPLACECBYK 20
#include "vtkImagingMathModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
class VTKIMAGINGMATH_EXPORT vtkImageMathematics : public vtkThreadedImageAlgorithm
{
public:
static vtkImageMathematics* New();
vtkTypeMacro(vtkImageMathematics, vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Set/Get the Operation to perform.
*/
vtkSetMacro(Operation, int);
vtkGetMacro(Operation, int);
//@}
/**
* Set each pixel in the output image to the sum of the corresponding pixels
* in Input1 and Input2.
*/
void SetOperationToAdd() { this->SetOperation(VTK_ADD); }
/**
* Set each pixel in the output image to the difference of the corresponding pixels
* in Input1 and Input2 (output = Input1 - Input2).
*/
void SetOperationToSubtract() { this->SetOperation(VTK_SUBTRACT); }
/**
* Set each pixel in the output image to the product of the corresponding pixels
* in Input1 and Input2.
*/
void SetOperationToMultiply() { this->SetOperation(VTK_MULTIPLY); }
/**
* Set each pixel in the output image to the quotient of the corresponding pixels
* in Input1 and Input2 (Output = Input1 / Input2).
*/
void SetOperationToDivide() { this->SetOperation(VTK_DIVIDE); }
void SetOperationToConjugate() { this->SetOperation(VTK_CONJUGATE); }
void SetOperationToComplexMultiply() { this->SetOperation(VTK_COMPLEX_MULTIPLY); }
/**
* Set each pixel in the output image to 1 over the corresponding pixel
* in Input1 and Input2 (output = 1 / Input1). Input2 is not used.
*/
void SetOperationToInvert() { this->SetOperation(VTK_INVERT); }
/**
* Set each pixel in the output image to the sine of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToSin() { this->SetOperation(VTK_SIN); }
/**
* Set each pixel in the output image to the cosine of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToCos() { this->SetOperation(VTK_COS); }
/**
* Set each pixel in the output image to the exponential of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToExp() { this->SetOperation(VTK_EXP); }
/**
* Set each pixel in the output image to the log of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToLog() { this->SetOperation(VTK_LOG); }
/**
* Set each pixel in the output image to the absolute value of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToAbsoluteValue() { this->SetOperation(VTK_ABS); }
/**
* Set each pixel in the output image to the square of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToSquare() { this->SetOperation(VTK_SQR); }
/**
* Set each pixel in the output image to the square root of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToSquareRoot() { this->SetOperation(VTK_SQRT); }
/**
* Set each pixel in the output image to the minimum of the corresponding pixels
* in Input1 and Input2. (Output = min(Input1, Input2))
*/
void SetOperationToMin() { this->SetOperation(VTK_MIN); }
/**
* Set each pixel in the output image to the maximum of the corresponding pixels
* in Input1 and Input2. (Output = max(Input1, Input2))
*/
void SetOperationToMax() { this->SetOperation(VTK_MAX); }
/**
* Set each pixel in the output image to the arctangent of the corresponding pixel
* in Input1. Input2 is not used.
*/
void SetOperationToATAN() { this->SetOperation(VTK_ATAN); }
void SetOperationToATAN2() { this->SetOperation(VTK_ATAN2); }
/**
* Set each pixel in the output image to the product of ConstantK with the
* corresponding pixel in Input1. Input2 is not used.
*/
void SetOperationToMultiplyByK() { this->SetOperation(VTK_MULTIPLYBYK); }
/**
* Set each pixel in the output image to the product of ConstantC with the
* corresponding pixel in Input1. Input2 is not used.
*/
void SetOperationToAddConstant() { this->SetOperation(VTK_ADDC); }
/**
* Find every pixel in Input1 that equals ConstantC and set the corresponding pixels
* in the Output to ConstantK. Input2 is not used.
*/
void SetOperationToReplaceCByK() { this->SetOperation(VTK_REPLACECBYK); }
//@{
/**
* A constant used by some operations (typically multiplicative). Default is 1.
*/
vtkSetMacro(ConstantK, double);
vtkGetMacro(ConstantK, double);
//@}
//@{
/**
* A constant used by some operations (typically additive). Default is 0.
*/
vtkSetMacro(ConstantC, double);
vtkGetMacro(ConstantC, double);
//@}
//@{
/**
* How to handle divide by zero. Default is 0.
*/
vtkSetMacro(DivideByZeroToC, vtkTypeBool);
vtkGetMacro(DivideByZeroToC, vtkTypeBool);
vtkBooleanMacro(DivideByZeroToC, vtkTypeBool);
//@}
/**
* Set the two inputs to this filter. For some operations, the second input
* is not used.
*/
virtual void SetInput1Data(vtkDataObject* in) { this->SetInputData(0, in); }
virtual void SetInput2Data(vtkDataObject* in) { this->SetInputData(1, in); }
protected:
vtkImageMathematics();
~vtkImageMathematics() override {}
int Operation;
double ConstantK;
double ConstantC;
vtkTypeBool DivideByZeroToC;
int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData,
int extent[6], int threadId) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkImageMathematics(const vtkImageMathematics&) = delete;
void operator=(const vtkImageMathematics&) = delete;
};
#endif