vtkPieceScalars.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPieceScalars_h
#define vtkPieceScalars_h
 
#include "vtkDataSetAlgorithm.h"
#include "vtkFiltersParallelModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkFloatArray;
class vtkIntArray;
 
class VTKFILTERSPARALLEL_EXPORT vtkPieceScalars : public vtkDataSetAlgorithm
{
public:
  static vtkPieceScalars* New();
 
  vtkTypeMacro(vtkPieceScalars, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  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 chosen between 0 and 1.  By default, random mode is off.
  vtkSetMacro(RandomMode, vtkTypeBool);
  vtkGetMacro(RandomMode, vtkTypeBool);
  vtkBooleanMacro(RandomMode, vtkTypeBool);
 
protected:
  vtkPieceScalars();
  ~vtkPieceScalars() override;
 
  // Append the pieces.
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  vtkIntArray* MakePieceScalars(int piece, vtkIdType numScalars);
  vtkFloatArray* MakeRandomScalars(int piece, vtkIdType numScalars);
 
  vtkSetMacro(CellScalarsFlag, int);
  int CellScalarsFlag;
  vtkTypeBool RandomMode;
 
private:
  vtkPieceScalars(const vtkPieceScalars&) = delete;
  void operator=(const vtkPieceScalars&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif