libvtk5-dev 5.10.1+dfsg-2.1build1 / usr / include / vtk-5.10 / 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.
 */

// .NAME vtkTemporalStatistics - Compute statistics of point or cell data as it changes over time
//
// .SECTION Description
//
// Given an input that changes over time, vtkTemporalStatistics looks at the
// data for each time step and computes some statistical information of how a
// point or cell variable changes over time.  For example, vtkTemporalStatistics
// can compute the average value of "pressure" over time of each point.
//
// Note that this filter will require the upstream filter to be run on every
// time step that it reports that it can compute.  This may be a time consuming
// operation.
//
// vtkTemporalStatistics ignores the temporal spacing.  Each timestep will be
// weighted the same regardless of how long of an interval it is to the next
// timestep.  Thus, the average statistic may be quite different from an
// integration of the variable if the time spacing varies.
//
// .SECTION Thanks
// This class was originally written by Kenneth Moreland (kmorel@sandia.gov)
// from Sandia National Laboratories.
//


#ifndef _vtkTemporalStatistics_h
#define _vtkTemporalStatistics_h

#include "vtkPassInputTypeAlgorithm.h"

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

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

  // Description:
  // Turn on/off the computation of the average values over time.  On by
  // default.  The resulting array names have "_average" appended to them.
  vtkGetMacro(ComputeAverage, int);
  vtkSetMacro(ComputeAverage, int);
  vtkBooleanMacro(ComputeAverage, int);

  // Description:
  // Turn on/off the computation of the minimum values over time.  On by
  // default.  The resulting array names have "_minimum" appended to them.
  vtkGetMacro(ComputeMinimum, int);
  vtkSetMacro(ComputeMinimum, int);
  vtkBooleanMacro(ComputeMinimum, int);

  // Description:
  // Turn on/off the computation of the maximum values over time.  On by
  // default.  The resulting array names have "_maximum" appended to them.
  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

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