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 #include "SMDS_MeshNode.hxx"
24 #include "SMDS_SpacePosition.hxx"
25 #include "SMDS_IteratorOfElements.hxx"
27 //=======================================================================
28 //function : SMDS_MeshNode
30 //=======================================================================
32 SMDS_MeshNode::SMDS_MeshNode(double x, double y, double z):
33 myX(x), myY(y), myZ(z),
34 myPosition(SMDS_SpacePosition::originSpacePosition())
38 //=======================================================================
39 //function : RemoveInverseElement
41 //=======================================================================
43 void SMDS_MeshNode::RemoveInverseElement(const SMDS_MeshElement * parent)
45 myInverseElements.erase(parent);
48 //=======================================================================
51 //=======================================================================
53 void SMDS_MeshNode::Print(ostream & OS) const
55 OS << "Node <" << GetID() << "> : X = " << myX << " Y = "
56 << myY << " Z = " << myZ << endl;
59 //=======================================================================
60 //function : SetPosition
62 //=======================================================================
64 void SMDS_MeshNode::SetPosition(const SMDS_PositionPtr& aPos)
69 //=======================================================================
70 //function : GetPosition
72 //=======================================================================
74 const SMDS_PositionPtr& SMDS_MeshNode::GetPosition() const
79 class SMDS_MeshNode_MyInvIterator:public SMDS_ElemIterator
81 const set<const SMDS_MeshElement*>& mySet;
82 set<const SMDS_MeshElement*>::iterator myIterator;
84 SMDS_MeshNode_MyInvIterator(const set<const SMDS_MeshElement*>& s):
87 myIterator=mySet.begin();
92 return myIterator!=mySet.end();
95 const SMDS_MeshElement* next()
97 const SMDS_MeshElement* current=*myIterator;
103 SMDS_ElemIteratorPtr SMDS_MeshNode::
104 GetInverseElementIterator() const
106 return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyInvIterator(myInverseElements));
109 // Same as GetInverseElementIterator but the create iterator only return
110 // wanted type elements.
111 class SMDS_MeshNode_MyIterator:public SMDS_ElemIterator
113 set<const SMDS_MeshElement*> mySet;
114 set<const SMDS_MeshElement*>::iterator myIterator;
116 SMDS_MeshNode_MyIterator(SMDSAbs_ElementType type,
117 const set<const SMDS_MeshElement*>& s)
119 const SMDS_MeshElement * e;
121 set<const SMDS_MeshElement*>::iterator it=s.begin();
127 case SMDSAbs_Edge: toInsert=true; break;
128 case SMDSAbs_Face: toInsert=(e->GetType()!=SMDSAbs_Edge); break;
129 case SMDSAbs_Volume: toInsert=(e->GetType()==SMDSAbs_Volume); break;
131 if(toInsert) mySet.insert(e);
134 myIterator=mySet.begin();
139 return myIterator!=mySet.end();
142 const SMDS_MeshElement* next()
144 const SMDS_MeshElement* current=*myIterator;
150 SMDS_ElemIteratorPtr SMDS_MeshNode::
151 elementsIterator(SMDSAbs_ElementType type) const
153 if(type==SMDSAbs_Node)
154 return SMDS_MeshElement::elementsIterator(SMDSAbs_Node);
156 return SMDS_ElemIteratorPtr
157 (new SMDS_IteratorOfElements
159 SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyIterator(type, myInverseElements))));
162 int SMDS_MeshNode::NbNodes() const
167 double SMDS_MeshNode::X() const
172 double SMDS_MeshNode::Y() const
177 double SMDS_MeshNode::Z() const
182 void SMDS_MeshNode::setXYZ(double x, double y, double z)
189 SMDSAbs_ElementType SMDS_MeshNode::GetType() const
194 //=======================================================================
195 //function : AddInverseElement
197 //=======================================================================
198 void SMDS_MeshNode::AddInverseElement(const SMDS_MeshElement* ME)
200 myInverseElements.insert(ME);
203 //=======================================================================
204 //function : ClearInverseElements
206 //=======================================================================
207 void SMDS_MeshNode::ClearInverseElements()
209 myInverseElements.clear();
212 bool SMDS_MeshNode::emptyInverseElements()
214 return myInverseElements.empty();
217 ///////////////////////////////////////////////////////////////////////////////
218 /// To be used with STL set
219 ///////////////////////////////////////////////////////////////////////////////
220 bool operator<(const SMDS_MeshNode& e1, const SMDS_MeshNode& e2)
222 return e1.GetID()<e2.GetID();
223 /*if(e1.myX<e2.myX) return true;
224 else if(e1.myX==e2.myX)
226 if(e1.myY<e2.myY) return true;
227 else if(e1.myY==e2.myY) return (e1.myZ<e2.myZ);