--- /dev/null
+// Copyright (C) 2020 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// Author : Anthony Geay (EDF R&D)
+
+#include "vtkGroupsNames.h"
+#include "ExtractGroupHelper.h"
+#include "vtkMEDReader.h"
+#include "vtkUgSelectCellIds.h"
+#include "MEDFileFieldRepresentationTree.hxx"
+#include "VTKMEDTraits.hxx"
+
+#include <vtkCellArray.h>
+#include <vtkCellData.h>
+#include "vtkMutableDirectedGraph.h"
+#include "vtkInformationDataObjectMetaDataKey.h"
+#include <vtkCompositeDataToUnstructuredGridFilter.h>
+#include <vtkMultiBlockDataGroupFilter.h>
+#include <vtkDoubleArray.h>
+#include <vtkInformation.h>
+#include <vtkInformationVector.h>
+#include <vtkNew.h>
+#include <vtkPVGlyphFilter.h>
+#include <vtkPointData.h>
+#include <vtkPolyData.h>
+#include <vtkUnstructuredGrid.h>
+#include <vtkMultiBlockDataSet.h>
+#include <vtkCellCenters.h>
+#include <vtkGlyphSource2D.h>
+#include "vtkTable.h"
+#include "vtkStringArray.h"
+
+class vtkGroupsNamesInternal : public ExtractGroupInternal
+{
+};
+
+vtkStandardNewMacro(vtkGroupsNames);
+
+vtkGroupsNames::vtkGroupsNames():Internal(new ExtractGroupInternal)
+{
+}
+
+vtkGroupsNames::~vtkGroupsNames()
+{
+ delete this->Internal;
+}
+
+int vtkGroupsNames::RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
+{
+ vtkInformation *outInfo(outputVector->GetInformationObject(0));
+ vtkInformation *inputInfo(inputVector[0]->GetInformationObject(0));
+ if(!ExtractGroupInternal::IndependantIsInformationOK(vtkMEDReader::META_DATA(),inputInfo))
+ {
+ vtkErrorMacro("No SIL Data available ! The source of this filter must be MEDReader !");
+ return 0;
+ }
+ vtkMutableDirectedGraph *mdg(vtkMutableDirectedGraph::SafeDownCast(inputInfo->Get(vtkMEDReader::META_DATA())));
+ this->Internal->loadFrom(mdg);
+ return 1;
+}
+
+int vtkGroupsNames::RequestData(vtkInformation *vtkNotUsed(request), vtkInformationVector **inputVector, vtkInformationVector *outputVector)
+{
+ vtkInformation* inputInfo=inputVector[0]->GetInformationObject(0);
+ vtkDataSet *input(nullptr);
+ vtkMultiBlockDataSet *inputMB(vtkMultiBlockDataSet::SafeDownCast(inputInfo->Get(vtkDataObject::DATA_OBJECT())));
+ if(inputMB)
+ {
+ if(inputMB->GetNumberOfBlocks()!=1)
+ {
+ vtkErrorMacro("vtkGroupsNames::RequestData : input has not the right number of parts ! Expected 1 !");
+ return 0;
+ }
+ input = vtkDataSet::SafeDownCast(inputMB->GetBlock(0));
+ }
+ else
+ {
+ input = vtkDataSet::SafeDownCast(inputInfo->Get(vtkDataObject::DATA_OBJECT()));
+ }
+ if(!input)
+ {
+ vtkErrorMacro("vtkGroupsNames::RequestData : input is neither a DataSet nor a MultiblockDataSet !");
+ return 0;
+ }
+ vtkInformation *info(input->GetInformation());
+ vtkInformation *outInfo(outputVector->GetInformationObject(0));
+ vtkTable *output(vtkTable::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT())));
+ if(!output)
+ {
+ vtkErrorMacro("vtkGroupsNames::RequestData : something wrong !");
+ return 0;
+ }
+ //
+ vtkUnstructuredGrid *inputc(vtkUnstructuredGrid::SafeDownCast(input));
+ if(!inputc)
+ {
+ vtkErrorMacro("vtkGroupsNames::RequestData : Only implemented for vtkUnstructuredGrid !");
+ return 0;
+ }
+ //
+ vtkDataArray *famIdsGen(inputc->GetCellData()->GetScalars(MEDFileFieldRepresentationLeavesArrays::FAMILY_ID_CELL_NAME));
+ if(!famIdsGen)
+ {
+ vtkErrorMacro(<< "vtkGroupsNames::RequestData : Fail to locate " << MEDFileFieldRepresentationLeavesArrays::FAMILY_ID_CELL_NAME << " array !");
+ return 0;
+ }
+ using vtkMCIdTypeArray = MEDFileVTKTraits<mcIdType>::VtkType;
+ vtkMCIdTypeArray *famIdsArr(vtkMCIdTypeArray::SafeDownCast(famIdsGen));
+ if(!famIdsArr)
+ {
+ vtkErrorMacro(<< "vtkGroupsNames::RequestData : cell array " << MEDFileFieldRepresentationLeavesArrays::FAMILY_ID_CELL_NAME << " is exepected to be IdType !");
+ return 0;
+ }
+ // Let's go !
+ std::vector< std::pair<std::string,std::vector<int> > > allGroups(this->Internal->getAllGroups());
+ vtkNew<vtkIntArray> blockIdArr;
+ blockIdArr->SetName("Block ID");
+ blockIdArr->SetNumberOfTuples(allGroups.size());
+ vtkNew<vtkStringArray> groupNameArr;
+ groupNameArr->SetName("Group Name");
+ groupNameArr->SetNumberOfTuples(allGroups.size());
+ int blockId(0);
+ for(const auto& grp : allGroups)
+ {
+ blockIdArr->SetValue(blockId,blockId);
+ groupNameArr->SetValue(blockId,vtkStdString(grp.first));
+ blockId++;
+ }
+ output->AddColumn(blockIdArr);
+ output->AddColumn(groupNameArr);
+ return 1;
+}
--- /dev/null
+// Copyright (C) 2020 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// Author : Anthony Geay (EDF R&D)
+
+#pragma once
+
+#include "vtkTableAlgorithm.h"
+
+class ExtractGroupInternal;
+
+class vtkGroupsNames : public vtkTableAlgorithm
+{
+public:
+ static vtkGroupsNames *New();
+ vtkTypeMacro(vtkGroupsNames, vtkTableAlgorithm);
+protected:
+ vtkGroupsNames();
+ ~vtkGroupsNames();
+ int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override;
+ int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
+private:
+ ExtractGroupInternal *Internal;
+};
