1 // SMESH SMDS : implementaion of Salome mesh data structure
3 // Copyright (C) 2003 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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
23 #pragma warning(disable:4786)
26 #include "SMDS_MeshElement.hxx"
27 #include "SMDS_MeshNode.hxx"
28 #include "SMDS_MeshEdge.hxx"
29 #include "SMDS_MeshFace.hxx"
30 #include "SMDS_MeshVolume.hxx"
31 #include "utilities.h"
35 SMDS_MeshElement::SMDS_MeshElement(int ID):myID(ID)
39 void SMDS_MeshElement::Print(ostream & OS) const
41 OS << "dump of mesh element" << endl;
44 ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
50 ///////////////////////////////////////////////////////////////////////////////
51 /// Create an iterator which iterate on nodes owned by the element.
52 /// This method call elementsIterator().
53 ///////////////////////////////////////////////////////////////////////////////
54 SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
56 return elementsIterator(SMDSAbs_Node);
59 ///////////////////////////////////////////////////////////////////////////////
60 /// Create an iterator which iterate on edges linked with or owned by the element.
61 /// This method call elementsIterator().
62 ///////////////////////////////////////////////////////////////////////////////
63 SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
65 return elementsIterator(SMDSAbs_Edge);
68 ///////////////////////////////////////////////////////////////////////////////
69 /// Create an iterator which iterate on faces linked with or owned by the element.
70 /// This method call elementsIterator().
71 ///////////////////////////////////////////////////////////////////////////////
72 SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
74 return elementsIterator(SMDSAbs_Face);
77 ///////////////////////////////////////////////////////////////////////////////
78 ///Return The number of nodes owned by the current element
79 ///////////////////////////////////////////////////////////////////////////////
80 int SMDS_MeshElement::NbNodes() const
83 SMDS_ElemIteratorPtr it=nodesIterator();
92 ///////////////////////////////////////////////////////////////////////////////
93 ///Return the number of edges owned by or linked with the current element
94 ///////////////////////////////////////////////////////////////////////////////
95 int SMDS_MeshElement::NbEdges() const
98 SMDS_ElemIteratorPtr it=edgesIterator();
107 ///////////////////////////////////////////////////////////////////////////////
108 ///Return the number of faces owned by or linked with the current element
109 ///////////////////////////////////////////////////////////////////////////////
110 int SMDS_MeshElement::NbFaces() const
113 SMDS_ElemIteratorPtr it=facesIterator();
122 ///////////////////////////////////////////////////////////////////////////////
123 ///Create an iterator which iterate on elements linked with the current element.
124 ///@param type The of elements on which you want to iterate
125 ///@return A smart pointer to iterator, you are not to take care of freeing memory
126 ///////////////////////////////////////////////////////////////////////////////
127 class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
129 const SMDS_MeshElement * myElement;
132 SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
133 myElement(element),myMore(true) {}
140 const SMDS_MeshElement* next()
146 SMDS_ElemIteratorPtr SMDS_MeshElement::
147 elementsIterator(SMDSAbs_ElementType type) const
149 /** @todo Check that iterator in the child classes return elements
150 in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
151 and SMDS_VolumeOfFaces */
154 return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
157 MESSAGE("Iterator not implemented");
158 return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
162 ///////////////////////////////////////////////////////////////////////////////
163 ///Return the ID of the element
164 ///////////////////////////////////////////////////////////////////////////////
165 int SMDS_MeshElement::GetID() const
170 bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
172 if(e1.GetType()!=e2.GetType()) return false;
176 return static_cast<const SMDS_MeshNode &>(e1) <
177 static_cast<const SMDS_MeshNode &>(e2);
180 return static_cast<const SMDS_MeshEdge &>(e1) <
181 static_cast<const SMDS_MeshEdge &>(e2);
184 return static_cast<const SMDS_MeshFace &>(e1) <
185 static_cast<const SMDS_MeshFace &>(e2);
188 return static_cast<const SMDS_MeshVolume &>(e1) <
189 static_cast<const SMDS_MeshVolume &>(e2);
191 default : MESSAGE("Internal Error");