dox/IO/ParallelExodus/vtkPExodusIIReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkPExodusIIReader.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 (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/

#ifndef __vtkPExodusIIReader_h
#define __vtkPExodusIIReader_h

#include "vtkIOParallelExodusModule.h" // For export macro
#include "vtkExodusIIReader.h"

#include <vector> // Required for vector

class vtkTimerLog;
class vtkMultiProcessController;

class VTKIOPARALLELEXODUS_EXPORT vtkPExodusIIReader : public vtkExodusIIReader
{
public:
  static vtkPExodusIIReader* New();
  vtkTypeMacro(vtkPExodusIIReader,vtkExodusIIReader);
  void PrintSelf( ostream& os, vtkIndent indent );


  void SetController(vtkMultiProcessController* c);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);


  vtkSetStringMacro(FilePattern);
  vtkGetStringMacro(FilePattern);
  vtkSetStringMacro(FilePrefix);
  vtkGetStringMacro(FilePrefix);


  void SetFileRange( int, int );
  void SetFileRange( int* r ) { this->SetFileRange( r[0], r[1] ); }
  vtkGetVector2Macro(FileRange,int);

  void SetFileNames( int nfiles, const char** names );

  virtual void SetFileName( const char* name );

  char** GetFileNames() { return this->FileNames; }

  int GetNumberOfFileNames() { return this->NumberOfFileNames; }


  vtkGetMacro(NumberOfFiles,int);

  virtual vtkIdType GetTotalNumberOfElements();
  virtual vtkIdType GetTotalNumberOfNodes();

  virtual void UpdateTimeInformation();

  virtual void Broadcast( vtkMultiProcessController* ctrl );


  vtkGetMacro(VariableCacheSize,double);
  vtkSetMacro(VariableCacheSize,double);

protected:
  vtkPExodusIIReader();
  ~vtkPExodusIIReader();


  int DeterminePattern( const char* file );
  static int DetermineFileId( const char* file );

  //holds the size of the variable cache in GigaBytes
  double VariableCacheSize;

  // **KEN** Previous discussions concluded with std classes in header
  // files is bad.  Perhaps we should change ReaderList.

  vtkMultiProcessController* Controller;
  vtkIdType ProcRank;
  vtkIdType ProcSize;
  char* FilePattern;
  char* CurrentFilePattern;
  char* FilePrefix;
  char* CurrentFilePrefix;
  char* MultiFileName;
  int FileRange[2];
  int CurrentFileRange[2];
  int NumberOfFiles;
  char **FileNames;
  int NumberOfFileNames;
//BTX
  std::vector<vtkExodusIIReader*> ReaderList;
  std::vector<int> NumberOfPointsPerFile;
  std::vector<int> NumberOfCellsPerFile;
//ETX

  int LastCommonTimeStep;

  int Timing;
  vtkTimerLog *TimerLog;

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

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

#endif