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https://git.salome-platform.org/gitpub/modules/smesh.git
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97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
// Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// File : SMDS_ElementHolder.hxx
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// Module : SMESH
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//
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#ifndef _SMDS_ElementHolder_HeaderFile
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#define _SMDS_ElementHolder_HeaderFile
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#include "SMESH_SMDS.hxx"
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#include "SMDS_ElemIterator.hxx"
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#include <smIdType.hxx>
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#include <vtkType.h>
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#include <vector>
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#include <set>
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class SMDS_Mesh;
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class SMDS_MeshElement;
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//------------------------------------------------------------------------------------
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/*!
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* \brief Base class of object holding SMDS_MeshElement pointers.
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* Registering such an object in SMDS_Mesh assures that the
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* pointers remain valid after compacting the mesh
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*/
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class SMDS_EXPORT SMDS_ElementHolder
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{
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public:
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//! register self in the mesh
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SMDS_ElementHolder( const SMDS_Mesh* mesh );
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//! un-register self from the mesh
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virtual ~SMDS_ElementHolder();
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protected:
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//!< the descendant object return its elements just before the mesh compacting
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virtual SMDS_ElemIteratorPtr getElements() = 0;
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//!< the descendant object temporary remove its elements
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virtual void tmpClear() = 0;
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//!< the descendant object re-add its elements after the mesh compacting
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virtual void add( const SMDS_MeshElement* element ) = 0;
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//!< the descendant squeeze its element storage after re-adding elements
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virtual void compact() = 0;
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//!< allow the descendant treat its elements before mesh clearing
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virtual void clear() {}
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SMDS_Mesh* myMesh;
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private: // methods called by SMDS_Mesh
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friend class SMDS_Mesh;
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//! store vtkIDs of elements
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void beforeCompacting();
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//! restore pointers to elements
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void restoreElements( const std::vector<smIdType>& idNodessOldToNew,
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const std::vector<smIdType>& idCellsOldToNew );
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std::vector<const SMDS_MeshElement*> myExternalElems; //!< elements not contained in the mesh
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std::vector< vtkIdType > myVtkIDs; //!< vtk IDs of elements
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std::vector< bool > myIsNode;
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std::set< SMDS_ElementHolder* >::iterator myPtrInMesh;
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};
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#endif
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