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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkPieceScalars.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.
=========================================================================*/
// .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 partitioning for
// streaming or distributed pipelines.
//
// .SECTION See Also
// vtkPolyDataStreamer
#ifndef __vtkPieceScalars_h
#define __vtkPieceScalars_h
#include "vtkDataSetAlgorithm.h"
class vtkFloatArray;
class vtkIntArray;
class VTK_PARALLEL_EXPORT vtkPieceScalars : public vtkDataSetAlgorithm
{
public:
static vtkPieceScalars *New();
vtkTypeRevisionMacro(vtkPieceScalars,vtkDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Option to centerate cell scalars of poi9nts scalars. Default is point scalars.
void SetScalarModeToCellData() {this->SetCellScalarsFlag(1);}
void SetScalarModeToPointData() {this->SetCellScalarsFlag(0);}
int GetScalarMode() {return this->CellScalarsFlag;}
// Dscription:
// This option uses a random mapping between pieces and scalar values.
// The scalar values are choosen between 0 and 1. By default, random mode is off.
vtkSetMacro(RandomMode, int);
vtkGetMacro(RandomMode, int);
vtkBooleanMacro(RandomMode, int);
protected:
vtkPieceScalars();
~vtkPieceScalars();
// Append the pieces.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
vtkIntArray *MakePieceScalars(int piece, vtkIdType numScalars);
vtkFloatArray *MakeRandomScalars(int piece, vtkIdType numScalars);
vtkSetMacro(CellScalarsFlag,int);
int CellScalarsFlag;
int RandomMode;
private:
vtkPieceScalars(const vtkPieceScalars&); // Not implemented.
void operator=(const vtkPieceScalars&); // Not implemented.
};
#endif
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