1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // SMESH SMDS : implementaion of Salome mesh data structure
25 #pragma warning(disable:4786)
28 #include "SMDS_MeshElement.hxx"
29 #include "SMDS_MeshNode.hxx"
30 #include "SMDS_MeshEdge.hxx"
31 #include "SMDS_MeshFace.hxx"
32 #include "SMDS_MeshVolume.hxx"
33 #include "utilities.h"
37 SMDS_MeshElement::SMDS_MeshElement(int ID):myID(ID)
41 void SMDS_MeshElement::Print(ostream & OS) const
43 OS << "dump of mesh element" << endl;
46 ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
52 ///////////////////////////////////////////////////////////////////////////////
53 /// Create an iterator which iterate on nodes owned by the element.
54 /// This method call elementsIterator().
55 ///////////////////////////////////////////////////////////////////////////////
56 SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
58 return elementsIterator(SMDSAbs_Node);
61 ///////////////////////////////////////////////////////////////////////////////
62 /// Create an iterator which iterate on edges linked with or owned by the element.
63 /// This method call elementsIterator().
64 ///////////////////////////////////////////////////////////////////////////////
65 SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
67 return elementsIterator(SMDSAbs_Edge);
70 ///////////////////////////////////////////////////////////////////////////////
71 /// Create an iterator which iterate on faces linked with or owned by the element.
72 /// This method call elementsIterator().
73 ///////////////////////////////////////////////////////////////////////////////
74 SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
76 return elementsIterator(SMDSAbs_Face);
79 ///////////////////////////////////////////////////////////////////////////////
80 ///Return The number of nodes owned by the current element
81 ///////////////////////////////////////////////////////////////////////////////
82 int SMDS_MeshElement::NbNodes() const
85 SMDS_ElemIteratorPtr it=nodesIterator();
94 ///////////////////////////////////////////////////////////////////////////////
95 ///Return the number of edges owned by or linked with the current element
96 ///////////////////////////////////////////////////////////////////////////////
97 int SMDS_MeshElement::NbEdges() const
100 SMDS_ElemIteratorPtr it=edgesIterator();
109 ///////////////////////////////////////////////////////////////////////////////
110 ///Return the number of faces owned by or linked with the current element
111 ///////////////////////////////////////////////////////////////////////////////
112 int SMDS_MeshElement::NbFaces() const
115 SMDS_ElemIteratorPtr it=facesIterator();
124 ///////////////////////////////////////////////////////////////////////////////
125 ///Create an iterator which iterate on elements linked with the current element.
126 ///@param type The of elements on which you want to iterate
127 ///@return A smart pointer to iterator, you are not to take care of freeing memory
128 ///////////////////////////////////////////////////////////////////////////////
129 class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
131 const SMDS_MeshElement * myElement;
134 SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
135 myElement(element),myMore(true) {}
142 const SMDS_MeshElement* next()
148 SMDS_ElemIteratorPtr SMDS_MeshElement::
149 elementsIterator(SMDSAbs_ElementType type) const
151 /** @todo Check that iterator in the child classes return elements
152 in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
153 and SMDS_VolumeOfFaces */
156 return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
159 MESSAGE("Iterator not implemented");
160 return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
164 ///////////////////////////////////////////////////////////////////////////////
165 ///Return the ID of the element
166 ///////////////////////////////////////////////////////////////////////////////
167 int SMDS_MeshElement::GetID() const
172 bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
174 if(e1.GetType()!=e2.GetType()) return false;
178 return static_cast<const SMDS_MeshNode &>(e1) <
179 static_cast<const SMDS_MeshNode &>(e2);
182 return static_cast<const SMDS_MeshEdge &>(e1) <
183 static_cast<const SMDS_MeshEdge &>(e2);
186 return static_cast<const SMDS_MeshFace &>(e1) <
187 static_cast<const SMDS_MeshFace &>(e2);
190 return static_cast<const SMDS_MeshVolume &>(e1) <
191 static_cast<const SMDS_MeshVolume &>(e2);
193 default : MESSAGE("Internal Error");
198 bool SMDS_MeshElement::IsValidIndex(const int ind) const
200 return ( ind>-1 && ind<NbNodes() );
203 const SMDS_MeshNode* SMDS_MeshElement::GetNode(const int ind) const
205 SMDS_ElemIteratorPtr it = nodesIterator();
206 int i = 0, index = WrappedIndex( ind );
207 while ( index != i++ )
210 return static_cast<const SMDS_MeshNode*> (it->next());
214 bool SMDS_MeshElement::IsQuadratic() const
219 bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
224 //================================================================================
226 * \brief Check if a node belongs to the element
227 * \param node - the node to check
228 * \retval int - node index within the element, -1 if not found
230 //================================================================================
232 int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
234 SMDS_ElemIteratorPtr nIt = nodesIterator();
235 for ( int i = 0; nIt->more(); ++i )
236 if ( nIt->next() == node )