dox/IO/Geometry/vtkOpenFOAMReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkOpenFOAMReader.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.

=========================================================================*/
#ifndef __vtkOpenFOAMReader_h
#define __vtkOpenFOAMReader_h

#include "vtkIOGeometryModule.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"

class vtkCollection;
class vtkCharArray;
class vtkDataArraySelection;
class vtkDoubleArray;
class vtkStdString;
class vtkStringArray;

class vtkOpenFOAMReaderPrivate;

class VTKIOGEOMETRY_EXPORT vtkOpenFOAMReader : public vtkMultiBlockDataSetAlgorithm
{
public:
  static vtkOpenFOAMReader *New();
  vtkTypeMacro(vtkOpenFOAMReader, vtkMultiBlockDataSetAlgorithm);
  void PrintSelf(ostream &, vtkIndent);

  int CanReadFile(const char *);


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);


  int GetNumberOfCellArrays(void)
  { return this->GetNumberOfSelectionArrays(this->CellDataArraySelection); }


  int GetCellArrayStatus(const char *name)
  { return this->GetSelectionArrayStatus(this->CellDataArraySelection, name); }
  void SetCellArrayStatus(const char *name, int status)
  { this->SetSelectionArrayStatus(this->CellDataArraySelection, name, status); }


  const char *GetCellArrayName(int index)
  { return this->GetSelectionArrayName(this->CellDataArraySelection, index); }


  void DisableAllCellArrays()
  { this->DisableAllSelectionArrays(this->CellDataArraySelection); }
  void EnableAllCellArrays()
  { this->EnableAllSelectionArrays(this->CellDataArraySelection); }


  int GetNumberOfPointArrays(void)
  { return this->GetNumberOfSelectionArrays(this->PointDataArraySelection); }


  int GetPointArrayStatus(const char *name)
  { return this->GetSelectionArrayStatus(this->PointDataArraySelection, name); }
  void SetPointArrayStatus(const char *name, int status)
  { this->SetSelectionArrayStatus(this->PointDataArraySelection,
    name, status); }


  const char *GetPointArrayName(int index)
  { return this->GetSelectionArrayName(this->PointDataArraySelection, index); }


  void DisableAllPointArrays()
  { this->DisableAllSelectionArrays(this->PointDataArraySelection); }
  void EnableAllPointArrays()
  { this->EnableAllSelectionArrays(this->PointDataArraySelection); }


  int GetNumberOfLagrangianArrays(void)
  { return this->GetNumberOfSelectionArrays(
    this->LagrangianDataArraySelection); }


  int GetLagrangianArrayStatus(const char *name)
  { return this->GetSelectionArrayStatus(this->LagrangianDataArraySelection,
    name); }
  void SetLagrangianArrayStatus(const char *name, int status)
  { this->SetSelectionArrayStatus(this->LagrangianDataArraySelection, name,
    status); }


  const char* GetLagrangianArrayName(int index)
  { return this->GetSelectionArrayName(this->LagrangianDataArraySelection,
    index); }


  void DisableAllLagrangianArrays()
  { this->DisableAllSelectionArrays(this->LagrangianDataArraySelection); }
  void EnableAllLagrangianArrays()
  { this->EnableAllSelectionArrays(this->LagrangianDataArraySelection); }


  int GetNumberOfPatchArrays(void)
  { return this->GetNumberOfSelectionArrays(this->PatchDataArraySelection); }


  int GetPatchArrayStatus(const char *name)
  { return this->GetSelectionArrayStatus(this->PatchDataArraySelection, name); }
  void SetPatchArrayStatus(const char *name, int status)
  { this->SetSelectionArrayStatus(this->PatchDataArraySelection, name,
    status); }


  const char *GetPatchArrayName(int index)
  { return this->GetSelectionArrayName(this->PatchDataArraySelection, index); }


  void DisableAllPatchArrays()
  { this->DisableAllSelectionArrays(this->PatchDataArraySelection); }
  void EnableAllPatchArrays()
  { this->EnableAllSelectionArrays(this->PatchDataArraySelection); }


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


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


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

  // Option for reading old binary lagrangian/positions format

  vtkSetMacro(PositionsIsIn13Format, int);
  vtkGetMacro(PositionsIsIn13Format, int);
  vtkBooleanMacro(PositionsIsIn13Format, int);


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


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


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

  void SetRefresh() { this->Refresh = true; this->Modified(); }

  void SetParent(vtkOpenFOAMReader *parent) { this->Parent = parent; }
  int MakeInformationVector(vtkInformationVector *, const vtkStdString &);
  bool SetTimeValue(const double);
  vtkDoubleArray *GetTimeValues();
  int MakeMetaDataAtTimeStep(const bool);

  //BTX
  friend class vtkOpenFOAMReaderPrivate;
  //ETX

protected:
  // refresh flag
  bool Refresh;

  // for creating cell-to-point translated data
  int CreateCellToPoint;

  // for caching mesh
  int CacheMesh;

  // for decomposing polyhedra on-the-fly
  int DecomposePolyhedra;

  // for reading old binary lagrangian/positions format
  int PositionsIsIn13Format;

  // for reading point/face/cell-Zones
  int ReadZones;

  // determine if time directories are listed according to controlDict
  int ListTimeStepsByControlDict;

  // add dimensions to array names
  int AddDimensionsToArrayNames;

  char *FileName;
  vtkCharArray *CasePath;
  vtkCollection *Readers;

  // DataArraySelection for Patch / Region Data
  vtkDataArraySelection *PatchDataArraySelection;
  vtkDataArraySelection *CellDataArraySelection;
  vtkDataArraySelection *PointDataArraySelection;
  vtkDataArraySelection *LagrangianDataArraySelection;

  // old selection status
  unsigned long int PatchSelectionMTimeOld;
  unsigned long int CellSelectionMTimeOld;
  unsigned long int PointSelectionMTimeOld;
  unsigned long int LagrangianSelectionMTimeOld;

  // preserved old information
  vtkStdString *FileNameOld;
  int ListTimeStepsByControlDictOld;
  int CreateCellToPointOld;
  int DecomposePolyhedraOld;
  int PositionsIsIn13FormatOld;
  int AddDimensionsToArrayNamesOld;
  int ReadZonesOld;

  // paths to Lagrangians
  vtkStringArray *LagrangianPaths;

  // number of reader instances
  int NumberOfReaders;
  // index of the active reader
  int CurrentReaderIndex;

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

  void CreateCasePath(vtkStdString &, vtkStdString &);
  void SetTimeInformation(vtkInformationVector *, vtkDoubleArray *);
  void CreateCharArrayFromString(vtkCharArray *, const char *, vtkStdString &);
  void UpdateStatus();
  void UpdateProgress(double);

private:
  vtkOpenFOAMReader *Parent;

  vtkOpenFOAMReader(const vtkOpenFOAMReader&);  // Not implemented.
  void operator=(const vtkOpenFOAMReader&);  // Not implemented.

  int GetNumberOfSelectionArrays(vtkDataArraySelection *);
  int GetSelectionArrayStatus(vtkDataArraySelection *, const char *);
  void SetSelectionArrayStatus(vtkDataArraySelection *, const char *, int);
  const char *GetSelectionArrayName(vtkDataArraySelection *, int);
  void DisableAllSelectionArrays(vtkDataArraySelection *);
  void EnableAllSelectionArrays(vtkDataArraySelection *);

  void AddSelectionNames(vtkDataArraySelection *, vtkStringArray *);
};

#endif