vtkGradientFilter.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGradientFilter.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.
 
=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
 
#ifndef vtkGradientFilter_h
#define vtkGradientFilter_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"
 
class VTKFILTERSGENERAL_EXPORT vtkGradientFilter : public vtkDataSetAlgorithm
{
public:
  vtkTypeMacro(vtkGradientFilter, vtkDataSetAlgorithm);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
 
  static vtkGradientFilter *New();
 
 
  virtual void SetInputScalars(int fieldAssociation, const char *name);
  virtual void SetInputScalars(int fieldAssociation, int fieldAttributeType);
 
 
  vtkGetStringMacro(ResultArrayName);
  vtkSetStringMacro(ResultArrayName);
 
 
  vtkGetStringMacro(VorticityArrayName);
  vtkSetStringMacro(VorticityArrayName);
 
 
  vtkGetStringMacro(QCriterionArrayName);
  vtkSetStringMacro(QCriterionArrayName);
 
 
  vtkGetMacro(FasterApproximation, int);
  vtkSetMacro(FasterApproximation, int);
  vtkBooleanMacro(FasterApproximation, int);
 
 
  vtkSetMacro(ComputeVorticity, int);
  vtkGetMacro(ComputeVorticity, int);
  vtkBooleanMacro(ComputeVorticity, int);
 
 
  vtkSetMacro(ComputeQCriterion, int);
  vtkGetMacro(ComputeQCriterion, int);
  vtkBooleanMacro(ComputeQCriterion, int);
 
protected:
  vtkGradientFilter();
  ~vtkGradientFilter();
 
  virtual int RequestUpdateExtent(vtkInformation *,
                                  vtkInformationVector **,
                                  vtkInformationVector *);
  virtual int RequestData(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *);
 
 
  virtual int ComputeUnstructuredGridGradient(
    vtkDataArray* Array, int fieldAssociation, vtkDataSet* input,
    bool computeVorticity, bool computeQCriterion, vtkDataSet* output);
 
 
  virtual int ComputeRegularGridGradient(
    vtkDataArray* Array, int fieldAssociation, bool computeVorticity,
    bool computeQCriterion, vtkDataSet* output);
 
  char *ResultArrayName;
 
  char *VorticityArrayName;
 
  char *QCriterionArrayName;
 
  int FasterApproximation;
 
  int ComputeQCriterion;
 
  int ComputeVorticity;
 
private:
  vtkGradientFilter(const vtkGradientFilter &); // Not implemented
  void operator=(const vtkGradientFilter &);    // Not implemented
};
 
#endif //_vtkGradientFilter_h