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
22 #include "SMDS_MeshElement.hxx"
23 #include "SMDS_MeshNode.hxx"
24 #include "SMDS_MeshEdge.hxx"
25 #include "SMDS_MeshFace.hxx"
26 #include "SMDS_MeshVolume.hxx"
27 #include "utilities.h"
29 SMDS_MeshElement::SMDS_MeshElement(int ID):myID(ID)
33 void SMDS_MeshElement::Print(ostream & OS) const
35 OS << "dump of mesh element" << endl;
38 ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
44 ///////////////////////////////////////////////////////////////////////////////
45 /// Create an iterator which iterate on nodes owned by the element.
46 /// This method call elementsIterator().
47 ///////////////////////////////////////////////////////////////////////////////
48 SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
50 return elementsIterator(SMDSAbs_Node);
53 ///////////////////////////////////////////////////////////////////////////////
54 /// Create an iterator which iterate on edges linked with or owned by the element.
55 /// This method call elementsIterator().
56 ///////////////////////////////////////////////////////////////////////////////
57 SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
59 return elementsIterator(SMDSAbs_Edge);
62 ///////////////////////////////////////////////////////////////////////////////
63 /// Create an iterator which iterate on faces linked with or owned by the element.
64 /// This method call elementsIterator().
65 ///////////////////////////////////////////////////////////////////////////////
66 SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
68 return elementsIterator(SMDSAbs_Face);
71 ///////////////////////////////////////////////////////////////////////////////
72 ///Return The number of nodes owned by the current element
73 ///////////////////////////////////////////////////////////////////////////////
74 int SMDS_MeshElement::NbNodes() const
77 SMDS_ElemIteratorPtr it=nodesIterator();
86 ///////////////////////////////////////////////////////////////////////////////
87 ///Return the number of edges owned by or linked with the current element
88 ///////////////////////////////////////////////////////////////////////////////
89 int SMDS_MeshElement::NbEdges() const
92 SMDS_ElemIteratorPtr it=edgesIterator();
101 ///////////////////////////////////////////////////////////////////////////////
102 ///Return the number of faces owned by or linked with the current element
103 ///////////////////////////////////////////////////////////////////////////////
104 int SMDS_MeshElement::NbFaces() const
107 SMDS_ElemIteratorPtr it=facesIterator();
116 ///////////////////////////////////////////////////////////////////////////////
117 ///Create an iterator which iterate on elements linked with the current element.
118 ///@param type The of elements on which you want to iterate
119 ///@return A smart pointer to iterator, you are not to take care of freeing memory
120 ///////////////////////////////////////////////////////////////////////////////
121 class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
123 const SMDS_MeshElement * myElement;
126 SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
127 myElement(element),myMore(true) {}
134 const SMDS_MeshElement* next()
140 SMDS_ElemIteratorPtr SMDS_MeshElement::
141 elementsIterator(SMDSAbs_ElementType type) const
143 /** @todo Check that iterator in the child classes return elements
144 in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
145 and SMDS_VolumeOfFaces */
148 return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
151 MESSAGE("Iterator not implemented");
152 return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
156 ///////////////////////////////////////////////////////////////////////////////
157 ///Return the ID of the element
158 ///////////////////////////////////////////////////////////////////////////////
159 int SMDS_MeshElement::GetID() const
164 bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
166 if(e1.GetType()!=e2.GetType()) return false;
170 return static_cast<const SMDS_MeshNode &>(e1) <
171 static_cast<const SMDS_MeshNode &>(e2);
174 return static_cast<const SMDS_MeshEdge &>(e1) <
175 static_cast<const SMDS_MeshEdge &>(e2);
178 return static_cast<const SMDS_MeshFace &>(e1) <
179 static_cast<const SMDS_MeshFace &>(e2);
182 return static_cast<const SMDS_MeshVolume &>(e1) <
183 static_cast<const SMDS_MeshVolume &>(e2);
185 default : MESSAGE("Internal Error");