dox/Filtering/vtkCompositeDataSetAlgorithm.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkCompositeDataSetAlgorithm.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 __vtkCompositeDataSetAlgorithm_h
#define __vtkCompositeDataSetAlgorithm_h

#include "vtkAlgorithm.h"

class vtkCompositeDataSet;

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


  vtkCompositeDataSet* GetOutput();
  vtkCompositeDataSet* GetOutput(int);


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


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

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


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


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


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

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

  // Create a default executive.
  virtual vtkExecutive* CreateDefaultExecutive();

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

  vtkDataObject *GetInput(int port);

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

#endif

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