vtkTemporalStatistics.h

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// -*- c++ -*-
/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTemporalStatistics.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 2008 Sandia Corporation.
 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
 * license for use of this work by or on behalf of the
 * U.S. Government. Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that this Notice and any
 * statement of authorship are reproduced on all copies.
 */

#ifndef vtkTemporalStatistics_h
#define vtkTemporalStatistics_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"

class vtkCompositeDataSet;
class vtkDataSet;
class vtkFieldData;
class vtkGraph;

class VTKFILTERSGENERAL_EXPORT vtkTemporalStatistics : public vtkPassInputTypeAlgorithm
{
public:
  vtkTypeMacro(vtkTemporalStatistics, vtkPassInputTypeAlgorithm);
  static vtkTemporalStatistics *New();
  virtual void PrintSelf(ostream &os, vtkIndent indent);


  vtkGetMacro(ComputeAverage, int);
  vtkSetMacro(ComputeAverage, int);
  vtkBooleanMacro(ComputeAverage, int);


  vtkGetMacro(ComputeMinimum, int);
  vtkSetMacro(ComputeMinimum, int);
  vtkBooleanMacro(ComputeMinimum, int);


  vtkGetMacro(ComputeMaximum, int);
  vtkSetMacro(ComputeMaximum, int);
  vtkBooleanMacro(ComputeMaximum, int);

  // Definition:
  // Turn on/off the computation of the standard deviation of the values over
  // time.  On by default.  The resulting array names have "_stddev" appended to
  // them.
  vtkGetMacro(ComputeStandardDeviation, int);
  vtkSetMacro(ComputeStandardDeviation, int);
  vtkBooleanMacro(ComputeStandardDeviation, int);

protected:
  vtkTemporalStatistics();
  ~vtkTemporalStatistics();

  int ComputeAverage;
  int ComputeMaximum;
  int ComputeMinimum;
  int ComputeStandardDeviation;

  // Used when iterating the pipeline to keep track of which timestep we are on.
  int CurrentTimeIndex;

  virtual int FillInputPortInformation(int port, vtkInformation *info);

  virtual int RequestDataObject(vtkInformation *request,
                                vtkInformationVector **inputVector,
                                vtkInformationVector *outputVector);
  virtual int RequestInformation(vtkInformation *request,
                                 vtkInformationVector **inputVector,
                                 vtkInformationVector *outputVector);
  virtual int RequestUpdateExtent(vtkInformation *request,
                                  vtkInformationVector **inputVector,
                                  vtkInformationVector *outputVector);
  virtual int RequestData(vtkInformation *request,
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector);

  virtual void InitializeStatistics(vtkDataObject *input,
                                    vtkDataObject *output);
  virtual void InitializeStatistics(vtkDataSet *input, vtkDataSet *output);
  virtual void InitializeStatistics(vtkGraph *input, vtkGraph *output);
  virtual void InitializeStatistics(vtkCompositeDataSet *input,
                                    vtkCompositeDataSet *output);
  virtual void InitializeArrays(vtkFieldData *inFd, vtkFieldData *outFd);
  virtual void InitializeArray(vtkDataArray *array, vtkFieldData *outFd);

  virtual void AccumulateStatistics(vtkDataObject *input,
                                    vtkDataObject *output);
  virtual void AccumulateStatistics(vtkDataSet *input, vtkDataSet *output);
  virtual void AccumulateStatistics(vtkGraph *input, vtkGraph *output);
  virtual void AccumulateStatistics(vtkCompositeDataSet *input,
                                    vtkCompositeDataSet *output);
  virtual void AccumulateArrays(vtkFieldData *inFd, vtkFieldData *outFd);

  virtual void PostExecute(vtkDataObject *input, vtkDataObject *output);
  virtual void PostExecute(vtkDataSet *input, vtkDataSet *output);
  virtual void PostExecute(vtkGraph *input, vtkGraph *output);
  virtual void PostExecute(vtkCompositeDataSet *input,
                           vtkCompositeDataSet *output);
  virtual void FinishArrays(vtkFieldData *inFd, vtkFieldData *outFd);

  virtual vtkDataArray *GetArray(vtkFieldData *fieldData,
                                 vtkDataArray *inArray,
                                 const char *nameSuffix);

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

#endif //_vtkTemporalStatistics_h