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

  Program:   Visualization Toolkit
  Module:    vtkPieceScalars.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

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modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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=========================================================================*/
// .NAME vtkPieceScalars - Sets all cell scalars from the update piece.
// .SECTION Description
// vtkPieceScalars is meant to display which piece is being requested
// as scalar values.  It is usefull for visualizing the partioning for
// streaming or distributed pipelines.
// .SECTION See Also
// vtkPolyDataStreamer

#ifndef __vtkPieceScalars_h
#define __vtkPieceScalars_h

#include "vtkPolyDataToPolyDataFilter.h"

class VTK_EXPORT vtkPieceScalars : public vtkPolyDataToPolyDataFilter
{
public:
  static vtkPieceScalars *New();

  vtkTypeMacro(vtkPieceScalars,vtkPolyDataToPolyDataFilter);
  void PrintSelf(ostream& os, vtkIndent indent);

protected:
  vtkPieceScalars();
  ~vtkPieceScalars();
  vtkPieceScalars(const vtkPieceScalars&) {};
  void operator=(const vtkPieceScalars&) {};
  
  // Append the pieces.
  void Execute();
};

#endif





