vtkTransformToGrid.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkTransformToGrid.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 vtkTransformToGrid_h
#define vtkTransformToGrid_h
 
#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkAlgorithm.h"
#include "vtkImageData.h" // makes things a bit easier
 
class vtkAbstractTransform;
 
class VTKFILTERSHYBRID_EXPORT vtkTransformToGrid : public vtkAlgorithm
{
public:
  static vtkTransformToGrid *New();
  vtkTypeMacro(vtkTransformToGrid,vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  virtual void SetInput(vtkAbstractTransform*);
  vtkGetObjectMacro(Input,vtkAbstractTransform);
 
 
  vtkSetVector6Macro(GridExtent,int);
  vtkGetVector6Macro(GridExtent,int);
 
 
  vtkSetVector3Macro(GridOrigin,double);
  vtkGetVector3Macro(GridOrigin,double);
 
 
  vtkSetVector3Macro(GridSpacing,double);
  vtkGetVector3Macro(GridSpacing,double);
 
 
  vtkSetMacro(GridScalarType,int);
  vtkGetMacro(GridScalarType,int);
  void SetGridScalarTypeToDouble(){this->SetGridScalarType(VTK_DOUBLE);};
  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);};
 
 
  double GetDisplacementScale() {
    this->UpdateShiftScale(); return this->DisplacementScale; };
  double GetDisplacementShift() {
    this->UpdateShiftScale(); return this->DisplacementShift; };
 
  vtkImageData* GetOutput();
 
 
  virtual int ProcessRequest(vtkInformation*,
                             vtkInformationVector**,
                             vtkInformationVector*);
 
protected:
  vtkTransformToGrid();
  ~vtkTransformToGrid();
 
  void RequestInformation (vtkInformation *,
                           vtkInformationVector **, vtkInformationVector *);
 
  void RequestData(vtkInformation *,
                   vtkInformationVector **, vtkInformationVector *);
 
  void UpdateShiftScale();
 
  unsigned long GetMTime();
 
  vtkAbstractTransform *Input;
 
  int GridScalarType;
  int GridExtent[6];
  double GridOrigin[3];
  double GridSpacing[3];
 
  double DisplacementScale;
  double DisplacementShift;
  vtkTimeStamp ShiftScaleTime;
 
  // see algorithm for more info
  virtual int FillOutputPortInformation(int port, vtkInformation* info);
 
private:
  vtkTransformToGrid(const vtkTransformToGrid&);  // Not implemented.
  void operator=(const vtkTransformToGrid&);  // Not implemented.
};
 
#endif