vtkHomogeneousTransform.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkHomogeneousTransform.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 vtkHomogeneousTransform_h
#define vtkHomogeneousTransform_h
 
#include "vtkCommonTransformsModule.h" // For export macro
#include "vtkAbstractTransform.h"
 
class vtkMatrix4x4;
 
class VTKCOMMONTRANSFORMS_EXPORT vtkHomogeneousTransform : public vtkAbstractTransform
{
public:
 
  vtkTypeMacro(vtkHomogeneousTransform,vtkAbstractTransform);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void TransformPoints(vtkPoints *inPts, vtkPoints *outPts);
 
 
  virtual void TransformPointsNormalsVectors(vtkPoints *inPts,
                                             vtkPoints *outPts,
                                             vtkDataArray *inNms,
                                             vtkDataArray *outNms,
                                             vtkDataArray *inVrs,
                                             vtkDataArray *outVrs);
 
  void GetMatrix(vtkMatrix4x4 *m);
 
  vtkMatrix4x4 *GetMatrix() { this->Update(); return this->Matrix; };
 
 
  vtkHomogeneousTransform *GetHomogeneousInverse()
    {
      return static_cast<vtkHomogeneousTransform *>(this->GetInverse());
    }
 
 
  void InternalTransformPoint(const float in[3], float out[3]);
  void InternalTransformPoint(const double in[3], double out[3]);
 
 
  void InternalTransformDerivative(const float in[3], float out[3],
                                   float derivative[3][3]);
  void InternalTransformDerivative(const double in[3], double out[3],
                                   double derivative[3][3]);
 
protected:
  vtkHomogeneousTransform();
  ~vtkHomogeneousTransform();
 
  void InternalDeepCopy(vtkAbstractTransform *transform);
 
  vtkMatrix4x4 *Matrix;
 
private:
  vtkHomogeneousTransform(const vtkHomogeneousTransform&);  // Not implemented.
  void operator=(const vtkHomogeneousTransform&);  // Not implemented.
};
 
#endif