vtkNetCDFCAMReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkNetCDFCAMReader.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 vtkNetCDFCAMReader_h
#define vtkNetCDFCAMReader_h

#include "vtkIONetCDFModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"

#include "vtk_netcdfcpp_fwd.h" // Forward declarations for vtknetcdfcpp

class vtkCallbackCommand;
class vtkDataArraySelection;

class VTKIONETCDF_EXPORT vtkNetCDFCAMReader : public vtkUnstructuredGridAlgorithm
{
public:
  static vtkNetCDFCAMReader *New();
  vtkTypeMacro(vtkNetCDFCAMReader,vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static int CanReadFile(const char* fileName);

  void SetFileName(const char* fileName);
  vtkGetStringMacro(FileName);

  void SetConnectivityFileName(const char* fileName);
  vtkGetStringMacro(ConnectivityFileName);


  enum VerticalDimension
  {
    VERTICAL_DIMENSION_SINGLE_LAYER,
    VERTICAL_DIMENSION_MIDPOINT_LAYERS,
    VERTICAL_DIMENSION_INTERFACE_LAYERS,
    VERTICAL_DIMENSION_COUNT
  };
  vtkSetClampMacro(VerticalDimension, int, 0, 2);
  vtkGetMacro(VerticalDimension, int);


  vtkBooleanMacro(SingleMidpointLayer, vtkTypeBool);
  vtkSetMacro(SingleMidpointLayer, vtkTypeBool);
  vtkGetMacro(SingleMidpointLayer, vtkTypeBool);
  vtkSetMacro(MidpointLayerIndex, int);
  vtkGetMacro(MidpointLayerIndex, int);
  vtkGetVector2Macro(MidpointLayersRange, int);

  vtkBooleanMacro(SingleInterfaceLayer, vtkTypeBool);
  vtkSetMacro(SingleInterfaceLayer, vtkTypeBool);
  vtkGetMacro(SingleInterfaceLayer, vtkTypeBool);
  vtkSetMacro(InterfaceLayerIndex, int);
  vtkGetMacro(InterfaceLayerIndex, int);
  vtkGetVector2Macro(InterfaceLayersRange, int);


  int GetNumberOfPointArrays();
  const char* GetPointArrayName(int index);
  int GetPointArrayStatus(const char* name);
  void SetPointArrayStatus(const char* name, int status);
  void DisableAllPointArrays();
  void EnableAllPointArrays();

protected:
  vtkNetCDFCAMReader();
  ~vtkNetCDFCAMReader() override;

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

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

  int RequestUpdateExtent(vtkInformation *, vtkInformationVector **,
                                  vtkInformationVector *) override;

  bool GetPartitioning(
    int piece, int numPieces,int numCellLevels, int numCellsPerLevel,
    int & beginCellLevel, int & endCellLevel, int & beginCell, int & endCell);

  void BuildVarArray();
  static void SelectionCallback(vtkObject* caller, unsigned long eid,
                                void* clientdata, void* calldata);


private:
  vtkNetCDFCAMReader(const vtkNetCDFCAMReader&) = delete;
  void operator=(const vtkNetCDFCAMReader&) = delete;


  char* FileName;
  char* CurrentFileName;
  vtkSetStringMacro(CurrentFileName);


  char* ConnectivityFileName;
  char* CurrentConnectivityFileName;
  vtkSetStringMacro(CurrentConnectivityFileName);

  int VerticalDimension;
  double * TimeSteps;
  long NumberOfTimeSteps;
  vtkDataArraySelection* PointDataArraySelection;
  vtkCallbackCommand* SelectionObserver;

  vtkTypeBool SingleMidpointLayer;
  int MidpointLayerIndex;
  int MidpointLayersRange[2];

  vtkTypeBool SingleInterfaceLayer;
  int InterfaceLayerIndex;
  int InterfaceLayersRange[2];



  NcFile* PointsFile;
  NcFile* ConnectivityFile;
};

#endif