dox/Graphics/vtkGeometryFilter.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeometryFilter.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 __vtkGeometryFilter_h
#define __vtkGeometryFilter_h

#include "vtkPolyDataAlgorithm.h"

class vtkIncrementalPointLocator;

class VTK_GRAPHICS_EXPORT vtkGeometryFilter : public vtkPolyDataAlgorithm
{
public:
  static vtkGeometryFilter *New();
  vtkTypeMacro(vtkGeometryFilter,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(vtkIncrementalPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkIncrementalPointLocator);

  void CreateDefaultLocator();

  unsigned long GetMTime();

protected:
  vtkGeometryFilter();
  ~vtkGeometryFilter();

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);

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

  vtkIdType PointMaximum;
  vtkIdType PointMinimum;
  vtkIdType CellMinimum;
  vtkIdType CellMaximum;
  double Extent[6];
  int PointClipping;
  int CellClipping;
  int ExtentClipping;

  int Merging;
  vtkIncrementalPointLocator *Locator;
private:
  vtkGeometryFilter(const vtkGeometryFilter&);  // Not implemented.
  void operator=(const vtkGeometryFilter&);  // Not implemented.
};

#endif