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 "vtkAlgorithm.h"
#include "vtkFiltersHybridModule.h" // For export macro
#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) override;
 
 
  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();
 
  vtkTypeBool ProcessRequest(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
protected:
  vtkTransformToGrid();
  ~vtkTransformToGrid() override;
 
  void RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
 
  void RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
 
  void UpdateShiftScale();
 
  vtkMTimeType GetMTime() override;
 
  vtkAbstractTransform* Input;
 
  int GridScalarType;
  int GridExtent[6];
  double GridOrigin[3];
  double GridSpacing[3];
 
  double DisplacementScale;
  double DisplacementShift;
  vtkTimeStamp ShiftScaleTime;
 
  // see algorithm for more info
  int FillOutputPortInformation(int port, vtkInformation* info) override;
 
private:
  vtkTransformToGrid(const vtkTransformToGrid&) = delete;
  void operator=(const vtkTransformToGrid&) = delete;
};
 
#endif