-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// 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
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMDS : implementaion of Salome mesh data structure
+// SMESH SMDS : implementation of Salome mesh data structure
// File : SMDS_MeshElement.hxx
// Module : SMESH
//
#include "SMDSAbs_ElementType.hxx"
#include "SMDS_MeshObject.hxx"
#include "SMDS_ElemIterator.hxx"
-#include "SMDS_MeshElementIDFactory.hxx"
#include "SMDS_StdIterator.hxx"
-#include <vector>
#include <iostream>
#include <vtkType.h>
#include <vtkCellType.h>
+#include <smIdType.hxx>
-//typedef unsigned short UShortType;
-typedef short ShortType;
-typedef int LongType;
-
-class SMDS_MeshNode;
-class SMDS_MeshEdge;
-class SMDS_MeshFace;
+class SMDS_ElementChunk;
class SMDS_Mesh;
+class SMDS_MeshNode;
+class SMDS_UnstructuredGrid;
// ============================================================
/*!
// ============================================================
-class SMDS_EXPORT SMDS_MeshElement:public SMDS_MeshObject
+class SMDS_EXPORT SMDS_MeshElement : public SMDS_MeshObject
{
public:
- SMDS_ElemIteratorPtr nodesIterator() const;
- SMDS_ElemIteratorPtr edgesIterator() const;
- SMDS_ElemIteratorPtr facesIterator() const;
- virtual SMDS_ElemIteratorPtr elementsIterator(SMDSAbs_ElementType type) const;
- virtual SMDS_ElemIteratorPtr interlacedNodesElemIterator() const;
+ // ===========================
+ // Access to nodes
+ // ===========================
+ virtual SMDS_ElemIteratorPtr nodesIterator() const = 0;
- virtual SMDS_NodeIteratorPtr nodeIterator() const;
- virtual SMDS_NodeIteratorPtr interlacedNodesIterator() const;
- virtual SMDS_NodeIteratorPtr nodesIteratorToUNV() const;
+ virtual SMDS_NodeIteratorPtr nodeIterator() const = 0;
+ virtual SMDS_NodeIteratorPtr interlacedNodesIterator() const { return nodeIterator(); }
+ virtual SMDS_NodeIteratorPtr nodesIteratorToUNV() const { return nodeIterator(); }
// std-like iteration on nodes
- typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_ElemIteratorPtr > iterator;
- iterator begin_nodes() const { return iterator( nodesIterator() ); }
+ typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_NodeIteratorPtr > iterator;
+ iterator begin_nodes() const { return iterator( nodeIterator() ); }
iterator end_nodes() const { return iterator(); }
- virtual int NbNodes() const;
- virtual int NbEdges() const;
- virtual int NbFaces() const;
- inline int GetID() const { return myID; };
+ // ===========================
+ // Type of element
+ // ===========================
+ virtual int NbNodes() const = 0;
+ virtual int NbEdges() const = 0;
+ virtual int NbFaces() const = 0;
- ///Return the type of the current element
- virtual SMDSAbs_ElementType GetType() const = 0;
- virtual SMDSAbs_EntityType GetEntityType() const = 0;
+ virtual SMDSAbs_ElementType GetType() const = 0;
+ virtual SMDSAbs_EntityType GetEntityType() const = 0;
virtual SMDSAbs_GeometryType GetGeomType() const = 0;
- virtual vtkIdType GetVtkType() const = 0;
- virtual bool IsPoly() const { return false; }
- virtual bool IsQuadratic() const;
+ virtual VTKCellType GetVtkType() const = 0;
+ virtual bool IsPoly() const = 0;
+ virtual bool IsQuadratic() const = 0;
virtual bool IsMediumNode(const SMDS_MeshNode* node) const;
- virtual int NbCornerNodes() const;
-
- friend SMDS_EXPORT std::ostream & operator <<(std::ostream & OS, const SMDS_MeshElement *);
- friend SMDS_EXPORT bool SMDS_MeshElementIDFactory::BindID(int ID,SMDS_MeshElement* elem);
- friend class SMDS_Mesh;
- friend class SMESHDS_Mesh;
- friend class SMESHDS_SubMesh;
- friend class SMDS_MeshElementIDFactory;
+ virtual int NbCornerNodes() const = 0;
// ===========================
// Access to nodes by index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*/
- virtual const SMDS_MeshNode* GetNode(const int ind) const;
+ virtual const SMDS_MeshNode* GetNode(const int ind) const = 0;
/*!
* \brief Return node by its index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*
- * Index is wrapped if it is out of a valid range
+ * Index is wrapped if it is out of a valid range of corner nodes
*/
const SMDS_MeshNode* GetNodeWrap(const int ind) const { return GetNode( WrappedIndex( ind )); }
virtual bool IsValidIndex(const int ind) const;
/*!
- * \brief Return a valid node index, fixing the given one if necessary
+ * \brief Return a valid corner node index, fixing the given one if necessary
* \param ind - node index
* \retval int - valid node index
*/
- int WrappedIndex(const int ind) const {
- if ( ind < 0 ) return NbNodes() + ind % NbNodes();
- if ( ind >= NbNodes() ) return ind % NbNodes();
- return ind;
- }
+ int WrappedIndex(const int ind) const;
/*!
* \brief Check if a node belongs to the element
*/
virtual int GetNodeIndex( const SMDS_MeshNode* node ) const;
- inline ShortType getMeshId() const { return myMeshId; }
- inline LongType getshapeId() const { return myShapeId; }
- inline int getIdInShape() const { return myIdInShape; }
- inline int getVtkId() const { return myVtkID; }
+
+ virtual smIdType GetID() const;
+ virtual vtkIdType GetVtkID() const;
+ virtual int getshapeId() const { return GetShapeID(); }
+ virtual int GetShapeID() const;
+
+ // mark this element; to be used in algos
+ virtual void setIsMarked( bool is ) const;
+ virtual bool isMarked() const;
+
+ // element can be allocated but "not used"
+ bool IsNull() const { return myHolder == 0; }
+
+ SMDS_Mesh* GetMesh() const;
+
+ void Print(std::ostream & OS) const;
+
+ friend SMDS_EXPORT std::ostream & operator <<(std::ostream & OS, const SMDS_MeshElement *);
+ friend class SMDS_ElementFactory;
+ friend class SMESHDS_SubMesh;
/*!
* \brief Filters of elements, to be used with SMDS_SetIterator
struct Filter
{
virtual bool operator()(const SMDS_MeshElement* e) const = 0;
- ~Filter() {}
+ virtual ~Filter() {}
};
struct NonNullFilter: public Filter
{
bool operator()(const SMDS_MeshElement* e) const { return e && e->GetGeomType() == _type; }
};
-protected:
- inline void setId(int id) {myID = id; }
- inline void setShapeId(LongType shapeId) {myShapeId = shapeId; }
- inline void setIdInShape(int id) { myIdInShape = id; }
- inline void setVtkId(int vtkId) { myVtkID = vtkId; }
- SMDS_MeshElement(int ID=-1);
- SMDS_MeshElement(int id, ShortType meshId, LongType shapeId = 0);
- virtual void init(int id = -1, ShortType meshId = -1, LongType shapeId = 0);
- virtual void Print(std::ostream & OS) const;
-
- //! Element index in vector SMDS_Mesh::myNodes or SMDS_Mesh::myCells
- int myID;
- //! index in vtkUnstructuredGrid
- int myVtkID;
- //! SMDS_Mesh identification in SMESH
- ShortType myMeshId;
- //! SubShape and SubMesh identification in SMESHDS
- LongType myShapeId;
- //! Element index in SMESHDS_SubMesh vector
- int myIdInShape;
-};
+ protected:
+
+ SMDS_MeshElement();
+
+ void setVtkID(const vtkIdType vtkID );
+ virtual void setShapeID( const int shapeID ) const;
+
+ SMDS_UnstructuredGrid* getGrid() const;
+ protected:
+
+ SMDS_ElementChunk* myHolder;
+};
// ============================================================
/*!
*/
// ============================================================
-struct TIDCompare {
+struct TIDTypeCompare {
bool operator () (const SMDS_MeshElement* e1, const SMDS_MeshElement* e2) const
{ return e1->GetType() == e2->GetType() ? e1->GetID() < e2->GetID() : e1->GetType() < e2->GetType(); }
};
+// WARNING: this comparator makes impossible to store both nodes and elements in the same set
+// because there are nodes and elements with the same ID. Use TIDTypeCompare for such containers.
+struct TIDCompare {
+ bool operator () (const SMDS_MeshElement* e1, const SMDS_MeshElement* e2) const
+ { return e1->GetID() < e2->GetID(); }
+};
+
#endif
