vtkPointSetAlgorithm.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkPointSetAlgorithm.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 __vtkPointSetAlgorithm_h
#define __vtkPointSetAlgorithm_h

#include "vtkAlgorithm.h"

class vtkPointSet;
class vtkPolyData;
class vtkStructuredGrid;
class vtkUnstructuredGrid;

class VTK_FILTERING_EXPORT vtkPointSetAlgorithm : public vtkAlgorithm
{
public:
  static vtkPointSetAlgorithm *New();
  vtkTypeRevisionMacro(vtkPointSetAlgorithm,vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkPointSet* GetOutput();
  vtkPointSet* GetOutput(int);

  vtkPolyData *GetPolyDataOutput();

  vtkStructuredGrid *GetStructuredGridOutput();

  vtkUnstructuredGrid *GetUnstructuredGridOutput();


  void SetInput(vtkDataObject*);
  void SetInput(int, vtkDataObject*);
  void SetInput(vtkPointSet*);
  void SetInput(int, vtkPointSet*);


  void AddInput(vtkDataObject *);
  void AddInput(vtkPointSet*);
  void AddInput(int, vtkPointSet*);
  void AddInput(int, vtkDataObject*);

  // this method is not recommended for use, but lots of old style filters
  // use it
  vtkDataObject *GetInput();


  virtual int ProcessRequest(vtkInformation* request, 
                             vtkInformationVector** inputVector,
                             vtkInformationVector* outputVector);

protected:
  vtkPointSetAlgorithm();
  ~vtkPointSetAlgorithm() {};
  

  virtual int RequestDataObject(vtkInformation* request, 
                                vtkInformationVector** inputVector, 
                                vtkInformationVector* outputVector);
  

  virtual int ExecuteInformation(vtkInformation*, 
                                 vtkInformationVector**, 
                                 vtkInformationVector*) {return 1;};
  

  virtual int RequestData(vtkInformation*, 
                          vtkInformationVector**, 
                          vtkInformationVector*) {return 1;};
  

  virtual int ComputeInputUpdateExtent(vtkInformation*,
                                       vtkInformationVector**,
                                       vtkInformationVector*) 
    {
      return 1;
    };

  // see algorithm for more info
  virtual int FillOutputPortInformation(int port, vtkInformation* info);
  virtual int FillInputPortInformation(int port, vtkInformation* info);

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

#endif

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