vtkStreamingStatistics.h

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

Program:   Visualization Toolkit
Module:    vtkStreamingStatistics.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2010 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
  -------------------------------------------------------------------------*/
#ifndef vtkStreamingStatistics_h
#define vtkStreamingStatistics_h

#include "vtkFiltersStatisticsModule.h" // For export macro
#include "vtkTableAlgorithm.h"

class vtkDataObjectCollection;
class vtkMultiBlockDataSet;
class vtkStatisticsAlgorithm;
class vtkTable;

class VTKFILTERSSTATISTICS_EXPORT vtkStreamingStatistics : public vtkTableAlgorithm
{
public:
  vtkTypeMacro(vtkStreamingStatistics, vtkTableAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkStreamingStatistics* New();

  enum InputPorts
  {
    INPUT_DATA = 0,         
    LEARN_PARAMETERS = 1,   
    INPUT_MODEL = 2         
  };

  enum OutputIndices
  {
    OUTPUT_DATA  = 0,       
    OUTPUT_MODEL = 1,       
    OUTPUT_TEST  = 2        
  };

  virtual void SetStatisticsAlgorithm(vtkStatisticsAlgorithm*);

protected:
  vtkStreamingStatistics();
  ~vtkStreamingStatistics() override;

  int FillInputPortInformation( int port, vtkInformation* info ) override;
  int FillOutputPortInformation( int port, vtkInformation* info ) override;

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

private:
  vtkStreamingStatistics( const vtkStreamingStatistics& ) = delete;
  void operator = ( const vtkStreamingStatistics& ) = delete;

  // Internal statistics algorithm to care for and feed
  vtkStatisticsAlgorithm* StatisticsAlgorithm;

  // Internal model that gets aggregated
  vtkMultiBlockDataSet* InternalModel;
};

#endif