vtkPCAAnalysisFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPCAAnalysisFilter.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.
 
=========================================================================*/
#ifndef vtkPCAAnalysisFilter_h
#define vtkPCAAnalysisFilter_h
 
#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
 
class vtkFloatArray;
class vtkPointSet;
 
class VTKFILTERSHYBRID_EXPORT vtkPCAAnalysisFilter : public vtkMultiBlockDataSetAlgorithm
{
 public:
  vtkTypeMacro(vtkPCAAnalysisFilter,vtkMultiBlockDataSetAlgorithm);
 
  void PrintSelf(ostream& os, vtkIndent indent);
 
  static vtkPCAAnalysisFilter *New();
 
 
  vtkGetObjectMacro(Evals, vtkFloatArray);
 
  void GetParameterisedShape(vtkFloatArray *b, vtkPointSet* shape);
 
  void GetShapeParameters(vtkPointSet *shape, vtkFloatArray *b, int bsize);
 
  int GetModesRequiredFor(double proportion);
 
protected:
  vtkPCAAnalysisFilter();
  ~vtkPCAAnalysisFilter();
 
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
private:
  vtkPCAAnalysisFilter(const vtkPCAAnalysisFilter&);  // Not implemented.
  void operator=(const vtkPCAAnalysisFilter&);  // Not implemented.
 
  // Eigenvalues
  vtkFloatArray *Evals;
 
  // Matrix where each column is an eigenvector
  double **evecMat2;
 
  // The mean shape in a vector
  double *meanshape;
};
 
#endif