1 #include "vtkFileSeriesGroupReader.h"
3 #include <vtkInformation.h>
4 #include <vtkInformationVector.h>
5 #include <vtkMultiBlockDataSet.h>
6 #include <vtkMultiProcessController.h>
7 #include <vtkObjectFactory.h>
8 #include <vtkSmartPointer.h>
9 #include <vtkStreamingDemandDrivenPipeline.h>
11 #include "vtkMEDReader.h"
16 vtkStandardNewMacro(vtkFileSeriesGroupReader);
18 //=============================================================================
19 struct vtkFileSeriesGroupReaderInternals
21 std::vector<std::string> FileNames;
24 //=============================================================================
25 vtkFileSeriesGroupReader::vtkFileSeriesGroupReader()
26 : Internals(new vtkFileSeriesGroupReaderInternals())
28 this->SetNumberOfInputPorts(0);
29 this->SetNumberOfOutputPorts(1);
32 //-----------------------------------------------------------------------------
33 vtkFileSeriesGroupReader::~vtkFileSeriesGroupReader() = default;
35 //----------------------------------------------------------------------------
36 void vtkFileSeriesGroupReader::AddFileName(const char* name)
38 // Make sure the reader always has a filename set
39 this->ReaderSetFileName(name);
41 this->AddFileNameInternal(name);
45 //----------------------------------------------------------------------------
46 void vtkFileSeriesGroupReader::RemoveAllFileNames()
48 this->RemoveAllFileNamesInternal();
52 //----------------------------------------------------------------------------
53 void vtkFileSeriesGroupReader::RemoveAllFileNamesInternal()
55 this->Internals->FileNames.clear();
58 //----------------------------------------------------------------------------
59 void vtkFileSeriesGroupReader::AddFileNameInternal(const char* name)
61 this->Internals->FileNames.emplace_back(name);
64 //----------------------------------------------------------------------------
65 unsigned int vtkFileSeriesGroupReader::GetNumberOfFileNames()
67 return static_cast<unsigned int>(this->Internals->FileNames.size());
70 //----------------------------------------------------------------------------
71 const char* vtkFileSeriesGroupReader::GetFileName(unsigned int idx)
73 if (idx >= this->Internals->FileNames.size())
77 return this->Internals->FileNames[idx].c_str();
80 //----------------------------------------------------------------------------
81 int vtkFileSeriesGroupReader::CanReadFile(const char* filename)
88 return this->ReaderCanReadFile(filename);
91 //----------------------------------------------------------------------------
92 int vtkFileSeriesGroupReader::RequestInformation(
93 vtkInformation* request, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
95 return this->Reader->ProcessRequest(request, inputVector, outputVector);
98 //----------------------------------------------------------------------------
99 int vtkFileSeriesGroupReader::RequestData(vtkInformation* vtkNotUsed(request),
100 vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
102 auto output = vtkMultiBlockDataSet::GetData(outputVector, 0);
103 output->SetNumberOfBlocks(this->GetNumberOfFileNames());
105 vtkInformation* info = outputVector->GetInformationObject(0);
106 double time = info->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
108 vtkMultiProcessController *vmpc(vtkMultiProcessController::GetGlobalController());
109 unsigned int iProc = vmpc ? vmpc->GetLocalProcessId() : 0;
110 unsigned int nProc = vmpc ? vmpc->GetNumberOfProcesses() : 1;
111 unsigned int nFiles = this->GetNumberOfFileNames() / nProc;
112 unsigned int offFile = iProc * nFiles;
113 unsigned int supFiles = this->GetNumberOfFileNames() % nProc;
114 if (iProc == nProc - 1)
119 for (unsigned int i = 0; i < nFiles; i++)
121 this->ReaderSetFileName(this->GetFileName(i + offFile));
122 vtkMEDReader::SafeDownCast(this->Reader)->ReloadInternals();
123 vtkMEDReader::SafeDownCast(this->Reader)->SetDistributeWithMPI(false);
124 this->Reader->UpdateInformation();
125 this->Reader->UpdateTimeStep(time);
126 vtkDataObject* outputReader = this->Reader->GetOutputDataObject(0);
127 vtkSmartPointer<vtkDataObject> outputLeaf = vtkSmartPointer<vtkDataObject>::Take(outputReader->NewInstance());
128 outputLeaf->DeepCopy(outputReader);
129 output->SetBlock(i, outputLeaf);
135 //------------------------------------------------------------------------------
136 int vtkFileSeriesGroupReader::FillOutputPortInformation(
137 int vtkNotUsed(port), vtkInformation* info)
139 info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
143 //-----------------------------------------------------------------------------
144 void vtkFileSeriesGroupReader::PrintSelf(ostream& os, vtkIndent indent)
146 this->Superclass::PrintSelf(os, indent);
148 os << indent << "MetaFileName: " << (this->_MetaFileName ? this->_MetaFileName : "(none)")