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

  Program:   Visualization Toolkit
  Module:    vtkStructuredGridAppend.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.

  =========================================================================*/
/**
 * @class   vtkStructuredGridAppend
 * @brief   Collects data from multiple inputs into one structured grid.
 *
 * vtkStructuredGridAppend takes the components from multiple inputs and merges
 * them into one output. All inputs must have the same number of scalar components.
 * All inputs must have the same scalar type.
*/

#ifndef vtkStructuredGridAppend_h
#define vtkStructuredGridAppend_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkStructuredGridAlgorithm.h"

class VTKFILTERSCORE_EXPORT vtkStructuredGridAppend : public vtkStructuredGridAlgorithm
{
 public:
  static vtkStructuredGridAppend *New();
  vtkTypeMacro(vtkStructuredGridAppend,vtkStructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  /**
   * Replace one of the input connections with a new input.  You can
   * only replace input connections that you previously created with
   * AddInputConnection() or, in the case of the first input,
   * with SetInputConnection().
   */
  virtual void ReplaceNthInputConnection(int idx, vtkAlgorithmOutput* input);

  //@{
  /**
   * Assign a data object as input. Note that this method does not
   * establish a pipeline connection. Use SetInputConnection() to
   * setup a pipeline connection.
   */
  void SetInputData(int num, vtkDataObject *input);
  void SetInputData(vtkDataObject *input) { this->SetInputData(0, input); };
  //@}

  //@{
  /**
   * Get one input to this filter. This method is only for support of
   * old-style pipeline connections.  When writing new code you should
   * use vtkAlgorithm::GetInputConnection(0, num).
   */
  vtkDataObject *GetInput(int num);
  vtkDataObject *GetInput() { return this->GetInput(0); };
  //@}

  /**
   * Get the number of inputs to this filter. This method is only for
   * support of old-style pipeline connections.  When writing new code
   * you should use vtkAlgorithm::GetNumberOfInputConnections(0).
   */
  int GetNumberOfInputs() { return this->GetNumberOfInputConnections(0); };

 protected:
  vtkStructuredGridAppend();
  ~vtkStructuredGridAppend() VTK_OVERRIDE;

  int RequestInformation (vtkInformation *,
                          vtkInformationVector **,
                          vtkInformationVector *) VTK_OVERRIDE;

  int RequestUpdateExtent(vtkInformation *,
                          vtkInformationVector **,
                          vtkInformationVector *) VTK_OVERRIDE;

  int RequestData(vtkInformation *,
                  vtkInformationVector **,
                  vtkInformationVector *) VTK_OVERRIDE;

  // see vtkAlgorithm for docs.
  int FillInputPortInformation(int, vtkInformation*) VTK_OVERRIDE;

 private:
  vtkStructuredGridAppend(const vtkStructuredGridAppend&) VTK_DELETE_FUNCTION;
  void operator=(const vtkStructuredGridAppend&) VTK_DELETE_FUNCTION;
};

#endif