X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMDS%2FSMDS_MeshElement.hxx;h=63fc8cecf14b41858a93d74b63e3b6700056c426;hp=67ac8f2473f36f7dd7fa00afcd795353a9102b4b;hb=19fe2e412fa1cb1fd33d7a2580b2483280db811e;hpb=4ff5bd61540272713e48de1eee75625028c32155 diff --git a/src/SMDS/SMDS_MeshElement.hxx b/src/SMDS/SMDS_MeshElement.hxx index 67ac8f247..63fc8cecf 100644 --- a/src/SMDS/SMDS_MeshElement.hxx +++ b/src/SMDS/SMDS_MeshElement.hxx @@ -1,94 +1,109 @@ -// SMESH SMDS : implementaion of Salome mesh data structure +// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE // -// Copyright (C) 2003 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. -// -// 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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org +// 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, 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 +// + +// SMESH SMDS : implementation of Salome mesh data structure // File : SMDS_MeshElement.hxx // Module : SMESH - +// #ifndef _SMDS_MeshElement_HeaderFile #define _SMDS_MeshElement_HeaderFile - + +#include "SMESH_SMDS.hxx" + #include "SMDSAbs_ElementType.hxx" #include "SMDS_MeshObject.hxx" #include "SMDS_ElemIterator.hxx" -#include "SMDS_MeshElementIDFactory.hxx" - -//#ifdef WNT -//#include -//#else -//#define SALOME_WNT_EXPORT -//#endif - -#if defined WNT && defined WIN32 && defined SMDS_EXPORTS -#define SMDS_WNT_EXPORT __declspec( dllexport ) -#else -#define SMDS_WNT_EXPORT -#endif +#include "SMDS_StdIterator.hxx" -#include #include +#include +#include + +class SMDS_ElementChunk; +class SMDS_Mesh; class SMDS_MeshNode; -class SMDS_MeshEdge; -class SMDS_MeshFace; +class SMDS_UnstructuredGrid; + +// ============================================================ +/*! + * \brief Base class for elements + */ +// ============================================================ -/////////////////////////////////////////////////////////////////////////////// -/// Base class for elements -/////////////////////////////////////////////////////////////////////////////// -class SMDS_WNT_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; + // =========================== + // Access to nodes + // =========================== + virtual SMDS_ElemIteratorPtr nodesIterator() const = 0; - virtual int NbNodes() const; - virtual int NbEdges() const; - virtual int NbFaces() const; - int GetID() const; + virtual SMDS_NodeIteratorPtr nodeIterator() const = 0; + virtual SMDS_NodeIteratorPtr interlacedNodesIterator() const { return nodeIterator(); } + virtual SMDS_NodeIteratorPtr nodesIteratorToUNV() const { return nodeIterator(); } - ///Return the type of the current element - virtual SMDSAbs_ElementType GetType() const = 0; - virtual bool IsPoly() const { return false; }; - virtual bool IsQuadratic() const; + // std-like iteration on nodes + typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_NodeIteratorPtr > iterator; + iterator begin_nodes() const { return iterator( nodeIterator() ); } + iterator end_nodes() const { return iterator(); } - virtual bool IsMediumNode(const SMDS_MeshNode* node) const; + // =========================== + // Type of element + // =========================== + virtual int NbNodes() const = 0; + virtual int NbEdges() const = 0; + virtual int NbFaces() const = 0; + + virtual SMDSAbs_ElementType GetType() const = 0; + virtual SMDSAbs_EntityType GetEntityType() const = 0; + virtual SMDSAbs_GeometryType GetGeomType() const = 0; + virtual VTKCellType GetVtkType() const = 0; - friend std::ostream & operator <<(std::ostream & OS, const SMDS_MeshElement *); - friend bool SMDS_MeshElementIDFactory::BindID(int ID,SMDS_MeshElement*elem); + virtual bool IsPoly() const = 0; + virtual bool IsQuadratic() const = 0; + virtual bool IsMediumNode(const SMDS_MeshNode* node) const; + virtual int NbCornerNodes() const = 0; // =========================== // Access to nodes by index // =========================== + /*! + * \brief Return node by its index + * \param ind - node index + * \retval const SMDS_MeshNode* - the node + */ + 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 */ - virtual const SMDS_MeshNode* GetNode(const int ind) const; + const SMDS_MeshNode* GetNodeWrap(const int ind) const { return GetNode( WrappedIndex( ind )); } /*! * \brief Return true if index of node is valid (0 <= ind < NbNodes()) @@ -98,22 +113,101 @@ public: 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 -( ind % NbNodes()); - if ( ind >= NbNodes() ) return ind % NbNodes(); - return ind; - } - -protected: - SMDS_MeshElement(int ID=-1); - virtual void Print(std::ostream & OS) const; - -private: - int myID; + int WrappedIndex(const int ind) const; + + /*! + * \brief Check if a node belongs to the element + * \param node - the node to check + * \retval int - node index within the element, -1 if not found + */ + virtual int GetNodeIndex( const SMDS_MeshNode* node ) const; + + + virtual int GetID() const; + virtual int 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; + virtual ~Filter() {} + }; + struct NonNullFilter: public Filter + { + bool operator()(const SMDS_MeshElement* e) const { return e; } + }; + struct TypeFilter : public Filter + { + SMDSAbs_ElementType _type; + TypeFilter( SMDSAbs_ElementType t = SMDSAbs_NbElementTypes ):_type(t) {} + bool operator()(const SMDS_MeshElement* e) const { return e && e->GetType() == _type; } + }; + struct EntityFilter : public Filter + { + SMDSAbs_EntityType _type; + EntityFilter( SMDSAbs_EntityType t = SMDSEntity_Last ):_type(t) {} + bool operator()(const SMDS_MeshElement* e) const { return e && e->GetEntityType() == _type; } + }; + struct GeomFilter : public Filter + { + SMDSAbs_GeometryType _type; + GeomFilter( SMDSAbs_GeometryType t = SMDSGeom_NONE ):_type(t) {} + bool operator()(const SMDS_MeshElement* e) const { return e && e->GetGeomType() == _type; } + }; + + protected: + + SMDS_MeshElement(); + + void setVtkID(const int vtkID ); + virtual void setShapeID( const int shapeID ) const; + + SMDS_UnstructuredGrid* getGrid() const; + + protected: + + SMDS_ElementChunk* myHolder; +}; + +// ============================================================ +/*! + * \brief Comparator of elements by ID for usage in std containers + */ +// ============================================================ + +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