1 // Copyright (C) 2007-2019 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, or (at your option) any later version.
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 // File : SMESHDS_GroupOnFilter.hxx
25 #ifndef _SMESHDS_GroupOnFilter_HeaderFile
26 #define _SMESHDS_GroupOnFilter_HeaderFile
28 #include "SMESH_SMESHDS.hxx"
30 #include "SMDS_ElementHolder.hxx"
31 #include "SMESHDS_GroupBase.hxx"
32 #include "SMESH_Controls.hxx"
35 * \brief Groups whose contents is dynamically updated using the filter
37 class SMESHDS_EXPORT SMESHDS_GroupOnFilter: public SMESHDS_GroupBase, SMDS_ElementHolder
41 SMESHDS_GroupOnFilter (const int theID,
42 const SMESHDS_Mesh* theMesh,
43 const SMDSAbs_ElementType theType,
44 const SMESH_PredicatePtr& thePredicate);
46 void SetPredicate( const SMESH_PredicatePtr& thePredicate);
48 SMESH_PredicatePtr GetPredicate() const { return myPredicate; }
50 std::vector< int > GetMeshInfo() const;
52 template< typename IDTYPE >
53 int GetElementIds( IDTYPE* ids ) const
55 return getElementIds( (void*)ids, sizeof(IDTYPE));
59 virtual int Extent() const;
61 virtual bool IsEmpty();
63 virtual bool Contains (const int theID);
65 virtual bool Contains (const SMDS_MeshElement* elem);
67 virtual SMDS_ElemIteratorPtr GetElements() const;
69 virtual int GetTic() const;
71 bool IsUpToDate() const;
73 protected: // methods of SMDS_ElementHolder
75 virtual SMDS_ElemIteratorPtr getElements();
76 virtual void tmpClear();
77 virtual void add( const SMDS_MeshElement* element );
78 virtual void compact() {};
83 bool updateParallel() const;
84 void setChanged(bool changed=true);
85 const SMDS_MeshElement* setNbElemToSkip( SMDS_ElemIteratorPtr& elIt );
86 int getElementIds( void* ids, size_t idSize ) const;
88 // We use two ways of optimaization:
89 // 1) The case of little free memory. Remember nb of KO elements (myNbElemToSkip)
90 // to skip before the first OK element. As well remember total nb of OK
91 // elements (myMeshInfo) to stop iteration as all OK elements are found.
92 // 2) The case of enough free memory. Remember all OK elements (myElements).
94 SMESH_PredicatePtr myPredicate;
95 std::vector< int > myMeshInfo;
96 std::vector< const SMDS_MeshElement*> myElements;
98 size_t myMeshModifTime; // when myMeshInfo was updated
100 size_t myNbElemToSkip;