SALOME - SMESH
SMDS_MeshElement.hxx
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1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
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.
10 //
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.
15 //
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
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 // SMESH SMDS : implementaion of Salome mesh data structure
23 // File : SMDS_MeshElement.hxx
24 // Module : SMESH
25 //
26 #ifndef _SMDS_MeshElement_HeaderFile
27 #define _SMDS_MeshElement_HeaderFile
28 
29 #include "SMESH_SMDS.hxx"
30 
31 #include "SMDSAbs_ElementType.hxx"
32 #include "SMDS_MeshObject.hxx"
33 #include "SMDS_ElemIterator.hxx"
35 
36 #include <vector>
37 #include <iostream>
38 
39 class SMDS_MeshNode;
40 class SMDS_MeshEdge;
41 class SMDS_MeshFace;
42 
43 // ============================================================
47 // ============================================================
48 
50 {
51 public:
52 
53  SMDS_ElemIteratorPtr nodesIterator() const;
54  SMDS_ElemIteratorPtr edgesIterator() const;
55  SMDS_ElemIteratorPtr facesIterator() const;
56  virtual SMDS_ElemIteratorPtr elementsIterator(SMDSAbs_ElementType type) const;
57 
58  virtual int NbNodes() const;
59  virtual int NbEdges() const;
60  virtual int NbFaces() const;
61  int GetID() const;
62 
64  virtual SMDSAbs_ElementType GetType() const = 0;
65  virtual bool IsPoly() const { return false; };
66  virtual bool IsQuadratic() const;
68  virtual SMDSAbs_EntityType GetEntityType() const = 0;
69 
70  virtual bool IsMediumNode(const SMDS_MeshNode* node) const;
71 
72  friend SMDS_EXPORT std::ostream & operator <<(std::ostream & OS, const SMDS_MeshElement *);
74 
75  // ===========================
76  // Access to nodes by index
77  // ===========================
83  virtual const SMDS_MeshNode* GetNode(const int ind) const;
84 
92  const SMDS_MeshNode* GetNodeWrap(const int ind) const { return GetNode( WrappedIndex( ind )); }
93 
99  virtual bool IsValidIndex(const int ind) const;
100 
106  int WrappedIndex(const int ind) const {
107  if ( ind < 0 ) return NbNodes() + ind % NbNodes();
108  if ( ind >= NbNodes() ) return ind % NbNodes();
109  return ind;
110  }
111 
117  int GetNodeIndex( const SMDS_MeshNode* node ) const;
118 
119 protected:
120  SMDS_MeshElement(int ID=-1);
121  virtual void Print(std::ostream & OS) const;
122 
123 private:
124  int myID;
125 };
126 
127 // ============================================================
131 // ============================================================
132 
133 struct TIDCompare {
134  bool operator () (const SMDS_MeshElement* e1, const SMDS_MeshElement* e2) const
135  { return e1->GetID() < e2->GetID(); }
136 };
137 
138 #endif
bool BindID(int ID, SMDS_MeshElement *elem)
SMDSAbs_EntityType
#define SMDS_EXPORT
Definition: SMESH_SMDS.hxx:36
boost::shared_ptr< SMDS_Iterator< const SMDS_MeshElement * > > SMDS_ElemIteratorPtr
SMDSAbs_ElementType
Type (node, edge, face or volume) of elements.
int GetID() const
int WrappedIndex(const int ind) const
Return a valid node index, fixing the given one if necessary.
virtual bool IsPoly() const
const SMDS_MeshNode * GetNodeWrap(const int ind) const
Return node by its index.
Base class for elements.
Comparator of elements by ID for usage in std containers.