dox/Graphics/vtkExtractArraysOverTime.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkExtractArraysOverTime.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 __vtkExtractArraysOverTime_h
#define __vtkExtractArraysOverTime_h

#include "vtkMultiBlockDataSetAlgorithm.h"

class vtkSelection;
class vtkDataSet;
class vtkRectilinearGrid;
class vtkExtractArraysOverTimeInternal;
class vtkDataSetAttributes;

class VTK_GRAPHICS_EXPORT vtkExtractArraysOverTime : public vtkMultiBlockDataSetAlgorithm
{
public:
  static vtkExtractArraysOverTime *New();
  vtkTypeRevisionMacro(vtkExtractArraysOverTime, vtkMultiBlockDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkGetMacro(NumberOfTimeSteps,int);    


  void SetSelectionConnection(vtkAlgorithmOutput* algOutput)
  {
    this->SetInputConnection(1, algOutput);
  }

//BTX
protected:
  vtkExtractArraysOverTime();
  ~vtkExtractArraysOverTime();

  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 PostExecute(vtkInformation* request,
                           vtkInformationVector** inputVector,
                           vtkInformationVector* outputVector);

  int DetermineSelectionType(vtkSelection*);

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


  vtkIdType GetSelectedId( vtkInformationVector** inputV, 
                         vtkInformation* outInfo);

  void CopyFastPathDataToOutput(vtkDataSet *input, vtkRectilinearGrid *output);


  void ExecuteAtTimeStep(vtkInformationVector** inputV, 
    vtkInformation* outInfo);

  int CurrentTimeIndex;
  int NumberOfTimeSteps;

  int FieldType;
  int ContentType;

  bool WaitingForFastPathData;
  bool IsExecuting;
  bool UseFastPath;
  vtkIdType SelectedId;

  int Error;

  enum Errors
  {
    NoError,
    MoreThan1Indices
  };

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

  class vtkInternal;
  vtkInternal *Internal;

//ETX
};

#endif

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