vtkClipConvexPolyData.h

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

  Program:   Visualization Toolkit
  Module:    vtkClipConvexPolyData.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 __vtkClipConvexPolyData_h
#define __vtkClipConvexPolyData_h

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

class vtkPlaneCollection;
class vtkPlane;
class vtkClipConvexPolyDataInternals;

class VTKFILTERSGENERAL_EXPORT vtkClipConvexPolyData : public vtkPolyDataAlgorithm
{
public:
  static vtkClipConvexPolyData *New();
  vtkTypeMacro(vtkClipConvexPolyData,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetPlanes(vtkPlaneCollection *planes);
  vtkGetObjectMacro(Planes,vtkPlaneCollection);

  virtual unsigned long int GetMTime();

protected:
  vtkClipConvexPolyData();
  ~vtkClipConvexPolyData();

  // The method that does it all...
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector);


  void ClipWithPlane(vtkPlane *p,
                     double tolerance);

  bool HasDegeneracies(vtkPlane *p);

  void ClearInternals();

  void ClearNewVertices();

  void RemoveEmptyPolygons();

  vtkPlaneCollection *Planes;
  vtkClipConvexPolyDataInternals *Internal;

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

#endif