vtkDiffusionTensorMathematics.h

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/*=auto=========================================================================

  Portions (c) Copyright 2005 Brigham and Women's Hospital (BWH) All Rights Reserved.

  See Doc/copyright/copyright.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

  Program:   3D Slicer
  Module:    $RCSfile: vtkDiffusionTensorMathematics.h,v $
  Date:      $Date: 2006/12/19 17:14:44 $
  Version:   $Revision: 1.20 $

=========================================================================auto=*/
//
//


#ifndef __vtkDiffusionTensorMathematics_h
#define __vtkDiffusionTensorMathematics_h

#include "vtkTeemConfigure.h"
#include "vtkThreadedImageAlgorithm.h"

class vtkMatrix4x4;
class vtkImageData;
class VTK_Teem_EXPORT vtkDiffusionTensorMathematics : public vtkThreadedImageAlgorithm
{
public:
  static vtkDiffusionTensorMathematics *New();
  vtkTypeMacro(vtkDiffusionTensorMathematics,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkGetMacro(Operation,int);
  vtkSetClampMacro(Operation,int, VTK_TENS_TRACE, VTK_TENS_PERPENDICULAR_DIFFUSIVITY);


  //BTX
  enum
  {
    VTK_TENS_TRACE,
    VTK_TENS_DETERMINANT,
    VTK_TENS_RELATIVE_ANISOTROPY,
    VTK_TENS_FRACTIONAL_ANISOTROPY,
    VTK_TENS_MAX_EIGENVALUE,
    VTK_TENS_MID_EIGENVALUE,
    VTK_TENS_MIN_EIGENVALUE,
    VTK_TENS_LINEAR_MEASURE,
    VTK_TENS_PLANAR_MEASURE,
    VTK_TENS_SPHERICAL_MEASURE,
    VTK_TENS_COLOR_ORIENTATION,
    VTK_TENS_D11,
    VTK_TENS_D22,
    VTK_TENS_D33,
    VTK_TENS_MODE,
    VTK_TENS_COLOR_MODE,
    VTK_TENS_MAX_EIGENVALUE_PROJX,
    VTK_TENS_MAX_EIGENVALUE_PROJY,
    VTK_TENS_MAX_EIGENVALUE_PROJZ,
    VTK_TENS_RAI_MAX_EIGENVEC_PROJX,
    VTK_TENS_RAI_MAX_EIGENVEC_PROJY,
    VTK_TENS_RAI_MAX_EIGENVEC_PROJZ,
    VTK_TENS_PARALLEL_DIFFUSIVITY,
    VTK_TENS_PERPENDICULAR_DIFFUSIVITY,
  };
  //ETX


  void SetOperationToTrace() 
    {this->SetOperation(VTK_TENS_TRACE);};

  void SetOperationToDeterminant() 
    {this->SetOperation(VTK_TENS_DETERMINANT);};

  void SetOperationToRelativeAnisotropy() 
    {this->SetOperation(VTK_TENS_RELATIVE_ANISOTROPY);};
  void SetOperationToFractionalAnisotropy() 
    {this->SetOperation(VTK_TENS_FRACTIONAL_ANISOTROPY);};
  void SetOperationToLinearMeasure() 
    {this->SetOperation(VTK_TENS_LINEAR_MEASURE);};
  void SetOperationToPlanarMeasure() 
    {this->SetOperation(VTK_TENS_PLANAR_MEASURE);};
  void SetOperationToSphericalMeasure() 
    {this->SetOperation(VTK_TENS_SPHERICAL_MEASURE);};
  void SetOperationToMode() 
    {this->SetOperation(VTK_TENS_MODE);};
  void SetOperationToParallelDiffusivity()
    {this->SetOperation(VTK_TENS_PARALLEL_DIFFUSIVITY);};
  void SetOperationToPerpendicularDiffusivity()
    {this->SetOperation(VTK_TENS_PERPENDICULAR_DIFFUSIVITY);};

  void SetOperationToMaxEigenvalue() 
    {this->SetOperation(VTK_TENS_MAX_EIGENVALUE);};
  void SetOperationToMiddleEigenvalue() 
    {this->SetOperation(VTK_TENS_MID_EIGENVALUE);};
  void SetOperationToMinEigenvalue() 
    {this->SetOperation(VTK_TENS_MIN_EIGENVALUE);};

  void SetOperationToMaxEigenvalueProjectionX()
  {this->SetOperation(VTK_TENS_MAX_EIGENVALUE_PROJX);};
  void SetOperationToMaxEigenvalueProjectionY()
  {this->SetOperation(VTK_TENS_MAX_EIGENVALUE_PROJY);};
  void SetOperationToMaxEigenvalueProjectionZ()
  {this->SetOperation(VTK_TENS_MAX_EIGENVALUE_PROJZ);};
  
  void SetOperationToRAIMaxEigenvecX()
  {this->SetOperation(VTK_TENS_RAI_MAX_EIGENVEC_PROJX);}
  void SetOperationToRAIMaxEigenvecY()
  {this->SetOperation(VTK_TENS_RAI_MAX_EIGENVEC_PROJY);}
  void SetOperationToRAIMaxEigenvecZ()
  {this->SetOperation(VTK_TENS_RAI_MAX_EIGENVEC_PROJZ);}
  
  void SetOperationToD11() 
    {this->SetOperation(VTK_TENS_D11);};
  void SetOperationToD22() 
    {this->SetOperation(VTK_TENS_D22);};
  void SetOperationToD33() 
    {this->SetOperation(VTK_TENS_D33);};
  
  void SetOperationToColorByOrientation() 
    {this->SetOperation(VTK_TENS_COLOR_ORIENTATION);};

  void SetOperationToColorByMode() 
    {this->SetOperation(VTK_TENS_COLOR_MODE);};

  vtkSetMacro(ScaleFactor,double);
  vtkGetMacro(ScaleFactor,double);

  vtkSetMacro(ExtractEigenvalues,int);
  vtkBooleanMacro(ExtractEigenvalues,int);
  vtkGetMacro(ExtractEigenvalues,int);

  //
  //
  //
  virtual void SetTensorRotationMatrix(vtkMatrix4x4*);
  vtkGetObjectMacro(TensorRotationMatrix, vtkMatrix4x4);

  vtkBooleanMacro(MaskWithScalars, int);
  vtkSetMacro(MaskWithScalars, int);
  vtkGetMacro(MaskWithScalars, int);

  vtkBooleanMacro(FixNegativeEigenvalues, int);
  vtkSetMacro(FixNegativeEigenvalues, int);
  vtkGetMacro(FixNegativeEigenvalues, int);

  virtual void SetScalarMask(vtkImageData*);
  vtkGetObjectMacro(ScalarMask, vtkImageData);
  
  vtkSetMacro(MaskLabelValue, int);
  vtkGetMacro(MaskLabelValue, int);

  static void ModeToRGB(double Mode, double FA,
                 double &R, double &G, double &B);


  static int FixNegativeEigenvaluesMethod(double w[3]);
  static double Determinant(double D[3][3]);
  static double Trace(double D[3][3]);
  static double Trace(double w[3]);
  static double RelativeAnisotropy(double w[3]);
  static double FractionalAnisotropy(double w[3]);
  static double LinearMeasure(double w[3]);
  static double PlanarMeasure(double w[3]);
  static double SphericalMeasure(double w[3]);
  static double MaxEigenvalue(double w[3]);
  static double MiddleEigenvalue(double w[3]);
  static double ParallelDiffusivity(double w[3]);
  static double PerpendicularDiffusivity(double w[3]);
  static double MinEigenvalue(double w[3]);
  static double RAIMaxEigenvecX(double **v, double w[3]);
  static double RAIMaxEigenvecY(double **v, double w[3]);
  static double RAIMaxEigenvecZ(double **v, double w[3]);
  static double MaxEigenvalueProjectionX(double **v, double w[3]);
  static double MaxEigenvalueProjectionY(double **v, double w[3]);
  static double MaxEigenvalueProjectionZ(double **v, double w[3]);
  static double Mode(double w[3]);
  static void ColorByMode(double w[3], double &R,double &G, double &B);

  //Description
  //Wrap function to teem eigen solver
  static int TeemEigenSolver(double **m, double *w, double **v);
  void ComputeTensorIncrements(vtkImageData *imageData, vtkIdType incr[3]);

protected:
  vtkDiffusionTensorMathematics();
  ~vtkDiffusionTensorMathematics();

  int Operation; 
  double ScaleFactor; 
  int ExtractEigenvalues; 

  int MaskWithScalars;
  vtkImageData *ScalarMask;
  int MaskLabelValue;
  
  vtkMatrix4x4 *TensorRotationMatrix;
  int FixNegativeEigenvalues;

  virtual int RequestInformation (vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);

  virtual void ThreadedRequestData(vtkInformation *request,
                                   vtkInformationVector **inputVector,
                                   vtkInformationVector *outputVector,
                                   vtkImageData ***inData,
                                   vtkImageData **outData,
                                   int extent[6], int threadId);

  int FillInputPortInformation(int port, vtkInformation* info);


private:
  vtkDiffusionTensorMathematics(const vtkDiffusionTensorMathematics&);
  void operator=(const vtkDiffusionTensorMathematics&);
};

#endif