vtkGenericGeometryFilter.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkGenericGeometryFilter.h,v $

  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 __vtkGenericGeometryFilter_h
#define __vtkGenericGeometryFilter_h

#include "vtkPolyDataAlgorithm.h"

class vtkPointLocator;
class vtkPointData;

class VTK_GENERIC_FILTERING_EXPORT vtkGenericGeometryFilter : public vtkPolyDataAlgorithm
{
public:
  static vtkGenericGeometryFilter *New();
  vtkTypeRevisionMacro(vtkGenericGeometryFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


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


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


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


  vtkSetClampMacro(PointMinimum,vtkIdType,0,VTK_LARGE_ID);
  vtkGetMacro(PointMinimum,vtkIdType);


  vtkSetClampMacro(PointMaximum,vtkIdType,0,VTK_LARGE_ID);
  vtkGetMacro(PointMaximum,vtkIdType);


  vtkSetClampMacro(CellMinimum,vtkIdType,0,VTK_LARGE_ID);
  vtkGetMacro(CellMinimum,vtkIdType);


  vtkSetClampMacro(CellMaximum,vtkIdType,0,VTK_LARGE_ID);
  vtkGetMacro(CellMaximum,vtkIdType);


  void SetExtent(double xMin, double xMax, double yMin, double yMax, 
                 double zMin, double zMax);


  void SetExtent(double extent[6]);
  double *GetExtent() { return this->Extent;};


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


  void SetLocator(vtkPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkPointLocator);

  void CreateDefaultLocator();

  unsigned long GetMTime();

protected:
  vtkGenericGeometryFilter();
  ~vtkGenericGeometryFilter();

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  void PolyDataExecute(); //special cases for performance
  void UnstructuredGridExecute();
  void StructuredGridExecute();
  int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  int FillInputPortInformation(int, vtkInformation*);
  
  vtkIdType PointMaximum;
  vtkIdType PointMinimum;
  vtkIdType CellMinimum;
  vtkIdType CellMaximum;
  double Extent[6];
  int PointClipping;
  int CellClipping;
  int ExtentClipping;

  int Merging;
  vtkPointLocator *Locator;
  
  // Used internal by vtkGenericAdaptorCell::Tessellate()
  vtkPointData *internalPD;
  
private:
  vtkGenericGeometryFilter(const vtkGenericGeometryFilter&);  // Not implemented.
  void operator=(const vtkGenericGeometryFilter&);  // Not implemented.
};

#endif

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