dox/Graphics/vtkExtractSelectedThresholds.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkExtractSelectedThresholds.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 __vtkExtractSelectedThresholds_h
#define __vtkExtractSelectedThresholds_h

#include "vtkExtractSelectionBase.h"

class vtkSelection;
class vtkDataArray;
class vtkDoubleArray;

class VTK_GRAPHICS_EXPORT vtkExtractSelectedThresholds : public vtkExtractSelectionBase
{
public:
  vtkTypeRevisionMacro(vtkExtractSelectedThresholds, vtkExtractSelectionBase);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkExtractSelectedThresholds *New();

  static int EvaluateValue(vtkDataArray *scalars, vtkIdType id, vtkDoubleArray *lims);

protected:
  vtkExtractSelectedThresholds();
  ~vtkExtractSelectedThresholds();

  // Usual data generation method
  int RequestData(vtkInformation *, 
                  vtkInformationVector **, 
                  vtkInformationVector *);

  int ExtractCells(vtkSelection *sel, vtkDataSet *input, 
                   vtkDataSet *output,
                   int usePointScalars);
  int ExtractPoints(vtkSelection *sel, vtkDataSet *input, 
                    vtkDataSet *output);

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

#endif

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