X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2FSMDS%2FSMDS_MeshElement.hxx;h=938abf0b260c0be2cc922b9d0d0e911c1fe8f697;hb=9357f5c87098aff2b95b754d69f66c76d2df9c24;hp=86bc6ddb5109df689494b1f5bea20ec160b21d0b;hpb=bef85377644b6a909a8f798c46362b898d43be3b;p=modules%2Fsmesh.git diff --git a/src/SMDS/SMDS_MeshElement.hxx b/src/SMDS/SMDS_MeshElement.hxx index 86bc6ddb5..938abf0b2 100644 --- a/src/SMDS/SMDS_MeshElement.hxx +++ b/src/SMDS/SMDS_MeshElement.hxx @@ -1,74 +1,146 @@ -// SMESH SMDS : implementaion of Salome mesh data structure +// Copyright (C) 2007-2010 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. // -// 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 +// 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 : implementaion 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_Iterator.hxx" +#include "SMDS_ElemIterator.hxx" #include "SMDS_MeshElementIDFactory.hxx" +#include "SMDS_StdIterator.hxx" #include #include -using namespace std; class SMDS_MeshNode; class SMDS_MeshEdge; -class SMDS_MeshFace; +class SMDS_MeshFace; + +// ============================================================ +/*! + * \brief Base class for elements + */ +// ============================================================ -/////////////////////////////////////////////////////////////////////////////// -/// Base class for elements -/////////////////////////////////////////////////////////////////////////////// -class 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; + + // std-like iteration on nodes + typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_ElemIteratorPtr > iterator; + iterator begin_nodes() const { return iterator( nodesIterator() ); } + iterator end_nodes() const { return iterator(); } + + virtual int NbNodes() const; + virtual int NbEdges() const; + virtual int NbFaces() const; + int GetID() const; + + ///Return the type of the current element + virtual SMDSAbs_ElementType GetType() const = 0; + virtual bool IsPoly() const { return false; }; + virtual bool IsQuadratic() const; + //! Return type of entity + virtual SMDSAbs_EntityType GetEntityType() 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); + + // =========================== + // 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; + + /*! + * \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 + */ + const SMDS_MeshNode* GetNodeWrap(const int ind) const { return GetNode( WrappedIndex( ind )); } + + /*! + * \brief Return true if index of node is valid (0 <= ind < NbNodes()) + * \param ind - node index + * \retval bool - index check result + */ + virtual bool IsValidIndex(const int ind) const; + + /*! + * \brief Return a valid 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; + } + + /*! + * \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 + */ + int GetNodeIndex( const SMDS_MeshNode* node ) const; + +protected: + SMDS_MeshElement(int ID=-1); + virtual void Print(std::ostream & OS) const; + +private: + int myID; +}; + +// ============================================================ +/*! + * \brief Comparator of elements by ID for usage in std containers + */ +// ============================================================ - public: - SMDS_Iterator * nodesIterator() const; - SMDS_Iterator * edgesIterator() const; - SMDS_Iterator * facesIterator() const; - virtual SMDS_Iterator * - elementsIterator(SMDSAbs_ElementType type) const; - - virtual int NbNodes() const; - virtual int NbEdges() const; - virtual int NbFaces() const; - int GetID() const; - - ///Return the type of the current element - virtual SMDSAbs_ElementType GetType() const = 0; - friend ostream & operator <<(ostream & OS, const SMDS_MeshElement *); - friend bool SMDS_MeshElementIDFactory::BindID(int ID,SMDS_MeshElement*elem); - - protected: - SMDS_MeshElement(int ID=-1); - virtual void Print(ostream & OS) const; - - private: - int myID; +struct TIDCompare { + bool operator () (const SMDS_MeshElement* e1, const SMDS_MeshElement* e2) const + { return e1->GetID() < e2->GetID(); } }; #endif