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

  Program:   Visualization Toolkit
  Module:    vtkExtractPolyDataGeometry.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 vtkExtractPolyDataGeometry_h
#define vtkExtractPolyDataGeometry_h

#include "vtkFiltersExtractionModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkImplicitFunction;

class VTKFILTERSEXTRACTION_EXPORT vtkExtractPolyDataGeometry : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkExtractPolyDataGeometry,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkExtractPolyDataGeometry *New();

  unsigned long GetMTime();


  virtual void SetImplicitFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);


  vtkSetMacro(ExtractInside,int);
  vtkGetMacro(ExtractInside,int);
  vtkBooleanMacro(ExtractInside,int);


  vtkSetMacro(ExtractBoundaryCells,int);
  vtkGetMacro(ExtractBoundaryCells,int);
  vtkBooleanMacro(ExtractBoundaryCells,int);


  vtkSetMacro(PassPoints,int);
  vtkGetMacro(PassPoints,int);
  vtkBooleanMacro(PassPoints,int);

protected:
  vtkExtractPolyDataGeometry(vtkImplicitFunction *f=NULL);
  ~vtkExtractPolyDataGeometry();

  // Usual data generation method
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  vtkImplicitFunction *ImplicitFunction;
  int ExtractInside;
  int ExtractBoundaryCells;
  int PassPoints;

  vtkIdType InsertPointInMap(vtkIdType i, vtkPoints *inPts, vtkPoints *newPts, vtkIdType *pointMap);

private:
  vtkExtractPolyDataGeometry(const vtkExtractPolyDataGeometry&);  // Not implemented.
  void operator=(const vtkExtractPolyDataGeometry&);  // Not implemented.
};


inline vtkIdType vtkExtractPolyDataGeometry::InsertPointInMap(vtkIdType i, vtkPoints *inPts,
                                                              vtkPoints *newPts, vtkIdType *pointMap)
{
  double x[3];
  inPts->GetPoint(i, x);
  pointMap[i] = newPts->InsertNextPoint(x);
  return pointMap[i];
}


#endif