VTK  9.0.1
vtkPNetCDFPOPReader.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtPkNetCDFPOPReader.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
31 #ifndef vtkPNetCDFPOPReader_h
32 #define vtkPNetCDFPOPReader_h
33 
34 #include "vtkIOParallelNetCDFModule.h" // For export macro
36 
38 class vtkCallbackCommand;
39 class vtkMPIController;
40 class vtkPNetCDFPOPReaderInternal;
41 
42 class VTKIOPARALLELNETCDF_EXPORT vtkPNetCDFPOPReader : public vtkRectilinearGridAlgorithm
43 {
44 public:
46  static vtkPNetCDFPOPReader* New();
47  void PrintSelf(ostream& os, vtkIndent indent) override;
48 
50 
53  vtkSetStringMacro(FileName);
54  vtkGetStringMacro(FileName);
56 
58 
61  vtkSetVector3Macro(Stride, int);
62  vtkGetVector3Macro(Stride, int);
64 
66 
69  virtual int GetNumberOfVariableArrays();
70  virtual const char* GetVariableArrayName(int idx);
71  virtual int GetVariableArrayStatus(const char* name);
72  virtual void SetVariableArrayStatus(const char* name, int status);
74 
79  void SetReaderRanks(vtkIdList*);
80 
81  // Set/Get the vtkMultiProcessController which will handle communications
82  // for the parallel rendering.
83  vtkGetObjectMacro(Controller, vtkMPIController);
84  void SetController(vtkMPIController* controller);
85 
86 protected:
88  ~vtkPNetCDFPOPReader() override;
89 
91  virtual int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
92  vtkInformationVector* outputVector) override;
93 
94  // Helper function for RequestData: Reads part of the netCDF
95  // file and sends sub-arrays to all ranks that need that data
96  int ReadAndSend(vtkInformation* outInfo, int varID);
97 
98  // Returns the MPI rank of the process that should read the specified depth
99  int ReaderForDepth(unsigned depth);
100 
101  bool IsReaderRank();
102  bool IsFirstReaderRank();
103 
104  static void SelectionModifiedCallback(
105  vtkObject* caller, unsigned long eid, void* clientdata, void* calldata);
106 
107  static void EventCallback(vtkObject* caller, unsigned long eid, void* clientdata, void* calldata);
108 
110 
111  char* FileName;
113  vtkSetStringMacro(OpenedFileName);
114 
115  int NCDFFD; // netcdf file descriptor
116 
117  int Stride[3];
118 
120 
121 private:
122  vtkPNetCDFPOPReader(const vtkPNetCDFPOPReader&) = delete;
123  void operator=(const vtkPNetCDFPOPReader&) = delete;
124 
125  vtkPNetCDFPOPReaderInternal* Internals;
126 };
127 #endif
vtkPNetCDFPOPReader::NCDFFD
int NCDFFD
Definition: vtkPNetCDFPOPReader.h:113
vtkRectilinearGridAlgorithm::RequestInformation
virtual int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
vtkRectilinearGridAlgorithm
Superclass for algorithms that produce only rectilinear grid as output.
Definition: vtkRectilinearGridAlgorithm.h:43
vtkInformationVector
Store zero or more vtkInformation instances.
Definition: vtkInformationVector.h:35
vtkPNetCDFPOPReader::FileName
char * FileName
Definition: vtkPNetCDFPOPReader.h:111
vtkPNetCDFPOPReader::SelectionObserver
vtkCallbackCommand * SelectionObserver
Definition: vtkPNetCDFPOPReader.h:109
vtkObject
abstract base class for most VTK objects
Definition: vtkObject.h:62
vtkPNetCDFPOPReader
read NetCDF files in parallel with MPI .Author Ross Miller 03.14.2011
Definition: vtkPNetCDFPOPReader.h:42
vtkDataArraySelection
Store on/off settings for data arrays for a vtkSource.
Definition: vtkDataArraySelection.h:34
vtkRectilinearGridAlgorithm::RequestData
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
vtkPNetCDFPOPReader::Controller
vtkMPIController * Controller
Definition: vtkPNetCDFPOPReader.h:119
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:30
vtkX3D::name
@ name
Definition: vtkX3D.h:225
vtkInformation
Store vtkAlgorithm input/output information.
Definition: vtkInformation.h:73
vtkRectilinearGridAlgorithm::New
static vtkRectilinearGridAlgorithm * New()
vtkRectilinearGridAlgorithm.h
vtkCallbackCommand
supports function callbacks
Definition: vtkCallbackCommand.h:44
vtkMPIController
Process communication using MPI.
Definition: vtkMPIController.h:55
vtkRectilinearGridAlgorithm::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkPNetCDFPOPReader::OpenedFileName
char * OpenedFileName
Definition: vtkPNetCDFPOPReader.h:112