Attempt of Management of profiles in spliter

[tools/medcoupling.git] / src / MEDCoupling / MEDCoupling1GTUMesh.hxx

diff --git a/src/MEDCoupling/MEDCoupling1GTUMesh.hxx b/src/MEDCoupling/MEDCoupling1GTUMesh.hxx
index 087ed529890aedbe8ac2f35d95fdd1e2b22112fb..9c238cf4504e11655b31f3d323a87b30b67c9c66 100644 (file)
--- a/src/MEDCoupling/MEDCoupling1GTUMesh.hxx
+++ b/src/MEDCoupling/MEDCoupling1GTUMesh.hxx
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2019  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.
+// 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
@@ -22,43 +22,46 @@
 #define __PARAMEDMEM_MEDCOUPLING1GTUMESH_HXX__
 
 #include "MEDCoupling.hxx"
+#include "MCType.hxx"
 #include "MEDCouplingPointSet.hxx"
 #include "MEDCouplingMemArray.hxx"
-#include "MEDCouplingAutoRefCountObjectPtr.hxx"
+#include "MCAuto.hxx"
 
 #include "CellModel.hxx"
 
-namespace ParaMEDMEM
+namespace MEDCoupling
 {
   class MEDCoupling1GTUUMeshCellIterator;
 
   class MEDCoupling1GTUMesh : public MEDCouplingPointSet
   {
   public:
-    MEDCOUPLING_EXPORT static MEDCoupling1GTUMesh *New(const char *name, INTERP_KERNEL::NormalizedCellType type);
+    MEDCOUPLING_EXPORT static MEDCoupling1GTUMesh *New(const std::string& name, INTERP_KERNEL::NormalizedCellType type);
     MEDCOUPLING_EXPORT static MEDCoupling1GTUMesh *New(const MEDCouplingUMesh *m);
     MEDCOUPLING_EXPORT const INTERP_KERNEL::CellModel& getCellModel() const;
     MEDCOUPLING_EXPORT INTERP_KERNEL::NormalizedCellType getCellModelEnum() const;
     MEDCOUPLING_EXPORT int getMeshDimension() const;
     MEDCOUPLING_EXPORT DataArrayInt *giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const;
-    MEDCOUPLING_EXPORT int getNumberOfCellsWithType(INTERP_KERNEL::NormalizedCellType type) const;
-    MEDCOUPLING_EXPORT INTERP_KERNEL::NormalizedCellType getTypeOfCell(int cellId) const;
+    MEDCOUPLING_EXPORT std::size_t getNumberOfCellsWithType(INTERP_KERNEL::NormalizedCellType type) const;
+    MEDCOUPLING_EXPORT INTERP_KERNEL::NormalizedCellType getTypeOfCell(std::size_t cellId) const;
     MEDCOUPLING_EXPORT std::set<INTERP_KERNEL::NormalizedCellType> getAllGeoTypes() const;
     MEDCOUPLING_EXPORT std::vector<int> getDistributionOfTypes() const;
-    MEDCOUPLING_EXPORT void splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const;
+    MEDCOUPLING_EXPORT void splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType, bool smartPflKiller=true) const;
     MEDCOUPLING_EXPORT DataArrayInt *checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const;
     MEDCOUPLING_EXPORT void writeVTKLL(std::ostream& ofs, const std::string& cellData, const std::string& pointData, DataArrayByte *byteData) const;
     MEDCOUPLING_EXPORT std::string getVTKDataSetType() const;
+    MEDCOUPLING_EXPORT std::string getVTKFileExtension() const;
     //
     MEDCOUPLING_EXPORT std::size_t getHeapMemorySizeWithoutChildren() const;
-    MEDCOUPLING_EXPORT int getNodalConnectivityLength() const;
+    MEDCOUPLING_EXPORT std::size_t getNodalConnectivityLength() const;
     MEDCOUPLING_EXPORT bool isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const;
     MEDCOUPLING_EXPORT bool isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const;
-    MEDCOUPLING_EXPORT void checkCoherency() const;
-    MEDCOUPLING_EXPORT DataArrayDouble *getBarycenterAndOwner() const;
+    MEDCOUPLING_EXPORT void checkConsistencyLight() const;
+    MEDCOUPLING_EXPORT DataArrayDouble *computeCellCenterOfMass() const;
     MEDCOUPLING_EXPORT MEDCouplingFieldDouble *getMeasureField(bool isAbs) const;
     MEDCOUPLING_EXPORT MEDCouplingFieldDouble *getMeasureFieldOnNode(bool isAbs) const;
     MEDCOUPLING_EXPORT int getCellContainingPoint(const double *pos, double eps) const;
+    MEDCOUPLING_EXPORT void getCellsContainingPoint(const double *pos, double eps, std::vector<int>& elts) const;
     MEDCOUPLING_EXPORT MEDCouplingFieldDouble *buildOrthogonalField() const;
     MEDCOUPLING_EXPORT DataArrayInt *getCellsInBoundingBox(const double *bbox, double eps) const;
     MEDCOUPLING_EXPORT DataArrayInt *getCellsInBoundingBox(const INTERP_KERNEL::DirectedBoundingBox& bbox, double eps);
@@ -71,9 +74,9 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT virtual void allocateCells(int nbOfCells=0) = 0;
     MEDCOUPLING_EXPORT virtual void insertNextCell(const int *nodalConnOfCellBg, const int *nodalConnOfCellEnd) = 0;
     MEDCOUPLING_EXPORT virtual DataArrayInt *getNodalConnectivity() const = 0;
-    MEDCOUPLING_EXPORT virtual void checkCoherencyOfConnectivity() const = 0;
+    MEDCOUPLING_EXPORT virtual void checkConsistencyOfConnectivity() const = 0;
   protected:
-    MEDCoupling1GTUMesh(const char *name, const INTERP_KERNEL::CellModel& cm);
+    MEDCoupling1GTUMesh(const std::string& name, const INTERP_KERNEL::CellModel& cm);
     MEDCoupling1GTUMesh(const MEDCoupling1GTUMesh& other, bool recDeepCpy);
     MEDCoupling1GTUMesh();
   protected:
@@ -81,34 +84,36 @@ namespace ParaMEDMEM
   };
 
   class MEDCoupling1DGTUMesh;
+  class MEDCouplingCMesh;
 
   class MEDCoupling1SGTUMesh : public MEDCoupling1GTUMesh
   {
   public:
-    MEDCOUPLING_EXPORT static MEDCoupling1SGTUMesh *New(const char *name, INTERP_KERNEL::NormalizedCellType type);
+    MEDCOUPLING_EXPORT static MEDCoupling1SGTUMesh *New(const std::string& name, INTERP_KERNEL::NormalizedCellType type);
     MEDCOUPLING_EXPORT static MEDCoupling1SGTUMesh *New(const MEDCouplingUMesh *m);
     //! useless constructor only for CORBA -> not swigged
     MEDCOUPLING_EXPORT static MEDCoupling1SGTUMesh *New();
+    // Copy methods
     MEDCOUPLING_EXPORT MEDCoupling1SGTUMesh *clone(bool recDeepCpy) const;
-    MEDCOUPLING_EXPORT MEDCouplingPointSet *deepCpyConnectivityOnly() const;
+    MEDCOUPLING_EXPORT MEDCoupling1SGTUMesh *deepCopy() const;
+    MEDCOUPLING_EXPORT MEDCoupling1SGTUMesh *deepCopyConnectivityOnly() const;
     // overload of TimeLabel and RefCountObject
     MEDCOUPLING_EXPORT void updateTime() const;
     MEDCOUPLING_EXPORT std::size_t getHeapMemorySizeWithoutChildren() const;
-    MEDCOUPLING_EXPORT std::vector<const BigMemoryObject *> getDirectChildren() const;
+    MEDCOUPLING_EXPORT std::vector<const BigMemoryObject *> getDirectChildrenWithNull() const;
     // overload of MEDCouplingMesh
     MEDCOUPLING_EXPORT MEDCouplingMeshType getType() const { return SINGLE_STATIC_GEO_TYPE_UNSTRUCTURED; }
-    MEDCOUPLING_EXPORT MEDCouplingMesh *deepCpy() const;
+
     MEDCOUPLING_EXPORT bool isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const;
     MEDCOUPLING_EXPORT bool isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const;
     MEDCOUPLING_EXPORT void checkFastEquivalWith(const MEDCouplingMesh *other, double prec) const;
-    MEDCOUPLING_EXPORT void checkCoherency() const;
-    MEDCOUPLING_EXPORT void checkCoherency1(double eps=1e-12) const;
-    MEDCOUPLING_EXPORT void checkCoherency2(double eps=1e-12) const;
-    MEDCOUPLING_EXPORT int getNumberOfCells() const;
+    MEDCOUPLING_EXPORT void checkConsistencyLight() const;
+    MEDCOUPLING_EXPORT void checkConsistency(double eps=1e-12) const;
+    MEDCOUPLING_EXPORT std::size_t getNumberOfCells() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeNbOfNodesPerCell() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeNbOfFacesPerCell() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeEffectiveNbOfNodesPerCell() const;
-    MEDCOUPLING_EXPORT void getNodeIdsOfCell(int cellId, std::vector<int>& conn) const;
+    MEDCOUPLING_EXPORT void getNodeIdsOfCell(std::size_t cellId, std::vector<int>& conn) const;
     MEDCOUPLING_EXPORT std::string simpleRepr() const;
     MEDCOUPLING_EXPORT std::string advancedRepr() const;
     MEDCOUPLING_EXPORT DataArrayDouble *computeIsoBarycenterOfNodesPerCell() const;
@@ -121,18 +126,24 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT void shallowCopyConnectivityFrom(const MEDCouplingPointSet *other);
     MEDCOUPLING_EXPORT MEDCouplingPointSet *mergeMyselfWithOnSameCoords(const MEDCouplingPointSet *other) const;
     MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoords(const int *begin, const int *end) const;
-    MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoords2(int start, int end, int step) const;
+    MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoordsSlice(int start, int end, int step) const;
     MEDCOUPLING_EXPORT void computeNodeIdsAlg(std::vector<bool>& nodeIdsInUse) const;
     MEDCOUPLING_EXPORT void getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const;
     MEDCOUPLING_EXPORT void checkFullyDefined() const;
     MEDCOUPLING_EXPORT bool isEmptyMesh(const std::vector<int>& tinyInfo) const;
+    MEDCOUPLING_EXPORT DataArrayInt *computeFetchedNodeIds() const;
     MEDCOUPLING_EXPORT DataArrayInt *getNodeIdsInUse(int& nbrOfNodesInUse) const;
+    MEDCOUPLING_EXPORT void renumberNodesWithOffsetInConn(int offset);
+    MEDCOUPLING_EXPORT void renumberNodesInConn(const INTERP_KERNEL::HashMap<int,int>& newNodeNumbersO2N);
+    MEDCOUPLING_EXPORT void renumberNodesInConn(const std::map<int,int>& newNodeNumbersO2N) override;
     MEDCOUPLING_EXPORT void renumberNodesInConn(const int *newNodeNumbersO2N);
     MEDCOUPLING_EXPORT void fillCellIdsToKeepFromNodeIds(const int *begin, const int *end, bool fullyIn, DataArrayInt *&cellIdsKeptArr) const;
     MEDCOUPLING_EXPORT int getNumberOfNodesInCell(int cellId) const;
-    MEDCOUPLING_EXPORT DataArrayDouble *getBoundingBoxForBBTree() const;
+    MEDCOUPLING_EXPORT DataArrayDouble *getBoundingBoxForBBTree(double arcDetEps=1e-12) const;
+    MEDCOUPLING_EXPORT MEDCouplingFieldDouble *computeDiameterField() const;
+    MEDCOUPLING_EXPORT void invertOrientationOfAllCells();
     // overload of MEDCoupling1GTUMesh
-    MEDCOUPLING_EXPORT void checkCoherencyOfConnectivity() const;
+    MEDCOUPLING_EXPORT void checkConsistencyOfConnectivity() const;
     MEDCOUPLING_EXPORT void allocateCells(int nbOfCells=0);
     MEDCOUPLING_EXPORT void insertNextCell(const int *nodalConnOfCellBg, const int *nodalConnOfCellEnd);
   public://specific
@@ -144,6 +155,9 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT static MEDCoupling1SGTUMesh *Merge1SGTUMeshesOnSameCoords(std::vector<const MEDCoupling1SGTUMesh *>& a);
     MEDCOUPLING_EXPORT MEDCoupling1SGTUMesh *buildSetInstanceFromThis(int spaceDim) const;
     MEDCOUPLING_EXPORT MEDCoupling1GTUMesh *computeDualMesh() const;
+    MEDCOUPLING_EXPORT DataArrayInt *sortHexa8EachOther();
+    MEDCOUPLING_EXPORT MEDCoupling1SGTUMesh *explodeEachHexa8To6Quad4() const;
+    MEDCOUPLING_EXPORT MEDCouplingCMesh *structurizeMe(DataArrayInt *& cellPerm, DataArrayInt *& nodePerm, double eps=1e-12) const;
   public://serialization
     MEDCOUPLING_EXPORT void getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const;
     MEDCOUPLING_EXPORT void resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const;
@@ -151,7 +165,7 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT void unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2,
                                             const std::vector<std::string>& littleStrings);
   private:
-    MEDCoupling1SGTUMesh(const char *name, const INTERP_KERNEL::CellModel& cm);
+    MEDCoupling1SGTUMesh(const std::string& name, const INTERP_KERNEL::CellModel& cm);
     MEDCoupling1SGTUMesh(const MEDCoupling1SGTUMesh& other, bool recDeepCpy);
     MEDCoupling1SGTUMesh();
   private:
@@ -163,37 +177,42 @@ namespace ParaMEDMEM
     DataArrayInt *simplexizePlanarFace6();
     MEDCoupling1DGTUMesh *computeDualMesh3D() const;
     MEDCoupling1DGTUMesh *computeDualMesh2D() const;
+    template<class MAPCLS>
+    void renumberNodesInConnT(const MAPCLS& newNodeNumbersO2N);
   private:
-    MEDCouplingAutoRefCountObjectPtr<DataArrayInt> _conn;
+    MCAuto<DataArrayIdType> _conn;
+  public:
+    static const int HEXA8_FACE_PAIRS[6];
   };
 
   class MEDCoupling1DGTUMesh : public MEDCoupling1GTUMesh
   {
   public:
-    MEDCOUPLING_EXPORT static MEDCoupling1DGTUMesh *New(const char *name, INTERP_KERNEL::NormalizedCellType type);
+    MEDCOUPLING_EXPORT static MEDCoupling1DGTUMesh *New(const std::string& name, INTERP_KERNEL::NormalizedCellType type);
     MEDCOUPLING_EXPORT static MEDCoupling1DGTUMesh *New(const MEDCouplingUMesh *m);
     //! useless constructor only for CORBA -> not swigged
     MEDCOUPLING_EXPORT static MEDCoupling1DGTUMesh *New();
+    // Copy methods
     MEDCOUPLING_EXPORT MEDCoupling1DGTUMesh *clone(bool recDeepCpy) const;
-    MEDCOUPLING_EXPORT MEDCouplingPointSet *deepCpyConnectivityOnly() const;
+    MEDCOUPLING_EXPORT MEDCoupling1DGTUMesh *deepCopy() const;
+    MEDCOUPLING_EXPORT MEDCoupling1DGTUMesh *deepCopyConnectivityOnly() const;
+
     // overload of TimeLabel and RefCountObject
     MEDCOUPLING_EXPORT void updateTime() const;
     MEDCOUPLING_EXPORT std::size_t getHeapMemorySizeWithoutChildren() const;
-    MEDCOUPLING_EXPORT std::vector<const BigMemoryObject *> getDirectChildren() const;
+    MEDCOUPLING_EXPORT std::vector<const BigMemoryObject *> getDirectChildrenWithNull() const;
     // overload of MEDCouplingMesh
     MEDCOUPLING_EXPORT MEDCouplingMeshType getType() const { return SINGLE_DYNAMIC_GEO_TYPE_UNSTRUCTURED; }
-    MEDCOUPLING_EXPORT MEDCouplingMesh *deepCpy() const;
     MEDCOUPLING_EXPORT bool isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const;
     MEDCOUPLING_EXPORT bool isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const;
     MEDCOUPLING_EXPORT void checkFastEquivalWith(const MEDCouplingMesh *other, double prec) const;
-    MEDCOUPLING_EXPORT void checkCoherency() const;
-    MEDCOUPLING_EXPORT void checkCoherency1(double eps=1e-12) const;
-    MEDCOUPLING_EXPORT void checkCoherency2(double eps=1e-12) const;
-    MEDCOUPLING_EXPORT int getNumberOfCells() const;
+    MEDCOUPLING_EXPORT void checkConsistencyLight() const;
+    MEDCOUPLING_EXPORT void checkConsistency(double eps=1e-12) const;
+    MEDCOUPLING_EXPORT std::size_t getNumberOfCells() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeNbOfNodesPerCell() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeNbOfFacesPerCell() const;
     MEDCOUPLING_EXPORT DataArrayInt *computeEffectiveNbOfNodesPerCell() const;
-    MEDCOUPLING_EXPORT void getNodeIdsOfCell(int cellId, std::vector<int>& conn) const;
+    MEDCOUPLING_EXPORT void getNodeIdsOfCell(std::size_t cellId, std::vector<int>& conn) const;
     MEDCOUPLING_EXPORT std::string simpleRepr() const;
     MEDCOUPLING_EXPORT std::string advancedRepr() const;
     MEDCOUPLING_EXPORT DataArrayDouble *computeIsoBarycenterOfNodesPerCell() const;
@@ -206,18 +225,24 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT void shallowCopyConnectivityFrom(const MEDCouplingPointSet *other);
     MEDCOUPLING_EXPORT MEDCouplingPointSet *mergeMyselfWithOnSameCoords(const MEDCouplingPointSet *other) const;
     MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoords(const int *begin, const int *end) const;
-    MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoords2(int start, int end, int step) const;
+    MEDCOUPLING_EXPORT MEDCouplingPointSet *buildPartOfMySelfKeepCoordsSlice(int start, int end, int step) const;
     MEDCOUPLING_EXPORT void computeNodeIdsAlg(std::vector<bool>& nodeIdsInUse) const;
     MEDCOUPLING_EXPORT void getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const;
     MEDCOUPLING_EXPORT void checkFullyDefined() const;
     MEDCOUPLING_EXPORT bool isEmptyMesh(const std::vector<int>& tinyInfo) const;
+    MEDCOUPLING_EXPORT DataArrayInt *computeFetchedNodeIds() const;
     MEDCOUPLING_EXPORT DataArrayInt *getNodeIdsInUse(int& nbrOfNodesInUse) const;
+    MEDCOUPLING_EXPORT void renumberNodesWithOffsetInConn(int offset);
+    MEDCOUPLING_EXPORT void renumberNodesInConn(const INTERP_KERNEL::HashMap<int,int>& newNodeNumbersO2N);
+    MEDCOUPLING_EXPORT void renumberNodesInConn(const std::map<int,int>& newNodeNumbersO2N) override;
     MEDCOUPLING_EXPORT void renumberNodesInConn(const int *newNodeNumbersO2N);
     MEDCOUPLING_EXPORT void fillCellIdsToKeepFromNodeIds(const int *begin, const int *end, bool fullyIn, DataArrayInt *&cellIdsKeptArr) const;
     MEDCOUPLING_EXPORT int getNumberOfNodesInCell(int cellId) const;
-    MEDCOUPLING_EXPORT DataArrayDouble *getBoundingBoxForBBTree() const;
+    MEDCOUPLING_EXPORT DataArrayDouble *getBoundingBoxForBBTree(double arcDetEps=1e-12) const;
+    MEDCOUPLING_EXPORT MEDCouplingFieldDouble *computeDiameterField() const;
+    MEDCOUPLING_EXPORT void invertOrientationOfAllCells();
     // overload of MEDCoupling1GTUMesh
-    MEDCOUPLING_EXPORT void checkCoherencyOfConnectivity() const;
+    MEDCOUPLING_EXPORT void checkConsistencyOfConnectivity() const;
     MEDCOUPLING_EXPORT void allocateCells(int nbOfCells=0);
     MEDCOUPLING_EXPORT void insertNextCell(const int *nodalConnOfCellBg, const int *nodalConnOfCellEnd);
   public://specific
@@ -240,15 +265,17 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT void unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2,
                                             const std::vector<std::string>& littleStrings);
   private:
-    MEDCoupling1DGTUMesh(const char *name, const INTERP_KERNEL::CellModel& cm);
+    MEDCoupling1DGTUMesh(const std::string& name, const INTERP_KERNEL::CellModel& cm);
     MEDCoupling1DGTUMesh(const MEDCoupling1DGTUMesh& other, bool recDeepCpy);
     MEDCoupling1DGTUMesh();
   private:
     void checkDynamicGeoT2ype() const;
     static MEDCoupling1DGTUMesh *Merge1DGTUMeshesLL(std::vector<const MEDCoupling1DGTUMesh *>& a);
+    template<class MAPCLS>
+    void renumberNodesInConnT(const MAPCLS& newNodeNumbersO2N);
   private:
-    MEDCouplingAutoRefCountObjectPtr<DataArrayInt> _conn_indx;
-    MEDCouplingAutoRefCountObjectPtr<DataArrayInt> _conn;
+    MCAuto<DataArrayIdType> _conn_indx;
+    MCAuto<DataArrayIdType> _conn;
   };
 }