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 int SMDS_MeshCell::nbCells = 0;
39 SMDS_MeshElement::SMDS_MeshElement(int ID):myID(ID), myMeshId(-1), myShapeId(-1)
43 SMDS_MeshElement::SMDS_MeshElement(int id, UShortType meshId, ShortType shapeId):
44 myID(id), myMeshId(meshId), myShapeId(shapeId)
48 void SMDS_MeshElement::Print(ostream & OS) const
50 OS << "dump of mesh element" << endl;
53 ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
59 ///////////////////////////////////////////////////////////////////////////////
60 /// Create an iterator which iterate on nodes owned by the element.
61 /// This method call elementsIterator().
62 ///////////////////////////////////////////////////////////////////////////////
63 SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
65 return elementsIterator(SMDSAbs_Node);
68 ///////////////////////////////////////////////////////////////////////////////
69 /// Create an iterator which iterate on edges linked with or owned by the element.
70 /// This method call elementsIterator().
71 ///////////////////////////////////////////////////////////////////////////////
72 SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
74 return elementsIterator(SMDSAbs_Edge);
77 ///////////////////////////////////////////////////////////////////////////////
78 /// Create an iterator which iterate on faces linked with or owned by the element.
79 /// This method call elementsIterator().
80 ///////////////////////////////////////////////////////////////////////////////
81 SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
83 return elementsIterator(SMDSAbs_Face);
86 ///////////////////////////////////////////////////////////////////////////////
87 ///Return The number of nodes owned by the current element
88 ///////////////////////////////////////////////////////////////////////////////
89 int SMDS_MeshElement::NbNodes() const
92 SMDS_ElemIteratorPtr it=nodesIterator();
101 ///////////////////////////////////////////////////////////////////////////////
102 ///Return the number of edges owned by or linked with the current element
103 ///////////////////////////////////////////////////////////////////////////////
104 int SMDS_MeshElement::NbEdges() const
107 SMDS_ElemIteratorPtr it=edgesIterator();
116 ///////////////////////////////////////////////////////////////////////////////
117 ///Return the number of faces owned by or linked with the current element
118 ///////////////////////////////////////////////////////////////////////////////
119 int SMDS_MeshElement::NbFaces() const
122 SMDS_ElemIteratorPtr it=facesIterator();
131 ///////////////////////////////////////////////////////////////////////////////
132 ///Create an iterator which iterate on elements linked with the current element.
133 ///@param type The of elements on which you want to iterate
134 ///@return A smart pointer to iterator, you are not to take care of freeing memory
135 ///////////////////////////////////////////////////////////////////////////////
136 class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
138 const SMDS_MeshElement * myElement;
141 SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
142 myElement(element),myMore(true) {}
149 const SMDS_MeshElement* next()
155 SMDS_ElemIteratorPtr SMDS_MeshElement::
156 elementsIterator(SMDSAbs_ElementType type) const
158 /** @todo Check that iterator in the child classes return elements
159 in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
160 and SMDS_VolumeOfFaces */
163 return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
166 MESSAGE("Iterator not implemented");
167 return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
171 ///////////////////////////////////////////////////////////////////////////////
172 ///Return the ID of the element
173 ///////////////////////////////////////////////////////////////////////////////
174 int SMDS_MeshElement::GetID() const
179 bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
181 if(e1.GetType()!=e2.GetType()) return false;
185 return static_cast<const SMDS_MeshNode &>(e1) <
186 static_cast<const SMDS_MeshNode &>(e2);
189 return static_cast<const SMDS_MeshEdge &>(e1) <
190 static_cast<const SMDS_MeshEdge &>(e2);
193 return static_cast<const SMDS_MeshFace &>(e1) <
194 static_cast<const SMDS_MeshFace &>(e2);
197 return static_cast<const SMDS_MeshVolume &>(e1) <
198 static_cast<const SMDS_MeshVolume &>(e2);
200 default : MESSAGE("Internal Error");
205 bool SMDS_MeshElement::IsValidIndex(const int ind) const
207 return ( ind>-1 && ind<NbNodes() );
210 const SMDS_MeshNode* SMDS_MeshElement::GetNode(const int ind) const
213 SMDS_ElemIteratorPtr it = nodesIterator();
214 for ( int i = 0; i < ind; ++i )
217 return static_cast<const SMDS_MeshNode*> (it->next());
222 bool SMDS_MeshElement::IsQuadratic() const
227 bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
232 //================================================================================
234 * \brief Check if a node belongs to the element
235 * \param node - the node to check
236 * \retval int - node index within the element, -1 if not found
238 //================================================================================
240 int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
242 SMDS_ElemIteratorPtr nIt = nodesIterator();
243 for ( int i = 0; nIt->more(); ++i )
244 if ( nIt->next() == node )
249 SMDS_MeshCell::SMDS_MeshCell()
255 SMDS_MeshCell::~SMDS_MeshCell()