---

Hybrid/vtkTransformToGrid.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkTransformToGrid.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkTransformToGrid_h
#define __vtkTransformToGrid_h

#include "vtkImageSource.h"

class vtkAbstractTransform;

class VTK_HYBRID_EXPORT vtkTransformToGrid : public vtkImageSource
{
public:
  static vtkTransformToGrid *New();
  vtkTypeRevisionMacro(vtkTransformToGrid,vtkImageSource);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetInput(vtkAbstractTransform*);
  vtkGetObjectMacro(Input,vtkAbstractTransform);


  vtkSetVector6Macro(GridExtent,int);
  vtkGetVector6Macro(GridExtent,int);


  vtkSetVector3Macro(GridOrigin,float);
  vtkGetVector3Macro(GridOrigin,float);


  vtkSetVector3Macro(GridSpacing,float);
  vtkGetVector3Macro(GridSpacing,float);


  vtkSetMacro(GridScalarType,int);
  vtkGetMacro(GridScalarType,int);
  void SetGridScalarTypeToFloat(){this->SetGridScalarType(VTK_FLOAT);};
  void SetGridScalarTypeToShort(){this->SetGridScalarType(VTK_SHORT);};
  void SetGridScalarTypeToUnsignedShort()
    {this->SetGridScalarType(VTK_UNSIGNED_SHORT);};
  void SetGridScalarTypeToUnsignedChar()
    {this->SetGridScalarType(VTK_UNSIGNED_CHAR);};
  void SetGridScalarTypeToChar()
    {this->SetGridScalarType(VTK_CHAR);};


  float GetDisplacementScale() {
    this->UpdateShiftScale(); return this->DisplacementScale; };
  float GetDisplacementShift() {
    this->UpdateShiftScale(); return this->DisplacementShift; };

protected:
  vtkTransformToGrid();
  ~vtkTransformToGrid();

  void ExecuteInformation();

  void ExecuteData(vtkDataObject *data);

  void UpdateShiftScale();

  unsigned long GetMTime();

  vtkAbstractTransform *Input;

  int GridScalarType;
  int GridExtent[6];
  float GridOrigin[3];
  float GridSpacing[3];

  float DisplacementScale;
  float DisplacementShift;
  vtkTimeStamp ShiftScaleTime;
private:
  vtkTransformToGrid(const vtkTransformToGrid&);  // Not implemented.
  void operator=(const vtkTransformToGrid&);  // Not implemented.
};

#endif

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