mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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450 lines
12 KiB
C++
450 lines
12 KiB
C++
// Copyright (C) 2007-2016 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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// SMESH SMESHDS : management of mesh data and SMESH document
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// File : SMESH_SubMesh.cxx
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// Author : Yves FRICAUD, OCC
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// Module : SMESH
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// $Header:
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//
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#include "SMESHDS_SubMesh.hxx"
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#include "SMESHDS_Mesh.hxx"
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#include "SMDS_SetIterator.hxx"
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#include "SMDS_ElementFactory.hxx"
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#include <utilities.h>
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//================================================================================
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/*!
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* \brief Constructor
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*/
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//================================================================================
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SMESHDS_SubMesh::SMESHDS_SubMesh(SMESHDS_Mesh *parent, int index)
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{
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myParent = parent;
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myIndex = index;
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myNbElements = 0;
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myNbNodes = 0;
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}
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//================================================================================
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/*!
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* \brief Destructor
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*/
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//================================================================================
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SMESHDS_SubMesh::~SMESHDS_SubMesh()
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{
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}
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//=======================================================================
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//function : AddElement
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//purpose :
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//=======================================================================
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void SMESHDS_SubMesh::AddElement(const SMDS_MeshElement * elem)
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{
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if (!IsComplexSubmesh())
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{
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if ( elem->GetType() == SMDSAbs_Node )
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{
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AddNode( static_cast< const SMDS_MeshNode* >( elem ));
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return;
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}
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int oldShapeId = elem->GetShapeID();
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if ( oldShapeId > 0 )
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{
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if (oldShapeId != myIndex)
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{
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throw SALOME_Exception
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(LOCALIZED("add element in subshape already belonging to a subshape"));
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}
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}
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elem->setShapeID( myIndex );
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myNbElements++;
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}
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}
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//=======================================================================
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//function : RemoveElement
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//purpose :
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//=======================================================================
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bool SMESHDS_SubMesh::RemoveElement(const SMDS_MeshElement * elem )
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{
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if ( !elem || elem->IsNull() || elem->getshapeId() != myIndex )
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{
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return false;
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}
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if ( !IsComplexSubmesh() )
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{
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elem->setShapeID( 0 );
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myNbElements--;
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return true;
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}
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return false;
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}
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//=======================================================================
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//function : AddNode
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//purpose :
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//=======================================================================
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void SMESHDS_SubMesh::AddNode(const SMDS_MeshNode * N)
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{
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if ( !IsComplexSubmesh() )
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{
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const int shapeId = N->getshapeId();
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if ( shapeId > 0 )
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{
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if ( shapeId != myIndex )
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throw SALOME_Exception
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(LOCALIZED("a node being in sub-mesh is added to another sub-mesh"));
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return; // already in
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}
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N->setShapeID( myIndex );
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myNbNodes++;
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}
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}
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//=======================================================================
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//function : RemoveNode
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//purpose :
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//=======================================================================
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bool SMESHDS_SubMesh::RemoveNode(const SMDS_MeshNode * N)
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{
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if ( !N || N->getshapeId() != myIndex )
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{
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return false;
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}
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if ( !IsComplexSubmesh() )
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{
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N->setShapeID( 0 );
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myNbNodes--;
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return true;
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}
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return false;
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}
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//=======================================================================
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//function : NbElements
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//purpose :
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//=======================================================================
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int SMESHDS_SubMesh::NbElements() const
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{
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if ( !IsComplexSubmesh() )
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return myNbElements;
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int nbElems = 0;
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TSubMeshSet::const_iterator it = mySubMeshes.begin();
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for ( ; it != mySubMeshes.end(); it++ )
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nbElems += (*it)->NbElements();
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return nbElems;
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}
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//=======================================================================
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//function : NbNodes
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//purpose :
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//=======================================================================
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int SMESHDS_SubMesh::NbNodes() const
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{
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if ( !IsComplexSubmesh() )
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return myNbNodes;
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int nbElems = 0;
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TSubMeshSet::const_iterator it = mySubMeshes.begin();
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for ( ; it != mySubMeshes.end(); it++ )
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nbElems += (*it)->NbNodes();
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return nbElems;
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}
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/*!
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* Template class used for iteration on vector of elements which can resize
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* during iteration. The iterator returns only elements present upon its creation.
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*/
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template <class ELEM, typename TSET> class MySetIterator : public SMDS_Iterator<ELEM>
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{
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protected:
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int _iCur, _iEnd, _iDelta;
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const TSET& _table;
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public:
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MySetIterator(const TSET& table, bool reverse): _table( table )
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{
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if ( reverse )
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{
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_iCur = _table.size()-1;
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_iEnd = -1;
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_iDelta = -1;
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}
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else
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{
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_iCur = 0;
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_iEnd = _table.size();
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_iDelta = 1;
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}
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if ( more() && !_table[ _iCur ])
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next();
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}
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virtual bool more()
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{
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return ( _iEnd - _iCur ) * _iDelta > 0;
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}
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virtual ELEM next()
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{
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ELEM e = more() ? _table[ _iCur ] : 0;
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_iCur += _iDelta;
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while ( more() && !_table[ _iCur ])
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_iCur += _iDelta;
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return e;
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}
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};
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// =====================
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// class MyIterator
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// =====================
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template<typename VALUE> class MyIterator : public SMDS_Iterator<VALUE>
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{
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public:
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MyIterator (const TSubMeshSet& theSubMeshes)
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: myMore(false), mySubIt( theSubMeshes.begin() ), mySubEnd( theSubMeshes.end() )
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{}
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bool more()
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{
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while (( !myElemIt.get() || !myElemIt->more() ) && mySubIt != mySubEnd)
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{
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myElemIt = getElements(*mySubIt);
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mySubIt++;
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}
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myMore = myElemIt.get() && myElemIt->more();
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return myMore;
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}
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VALUE next()
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{
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VALUE elem = 0;
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if ( myMore )
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elem = myElemIt->next();
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return elem;
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}
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protected:
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virtual boost::shared_ptr< SMDS_Iterator<VALUE> >
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getElements(const SMESHDS_SubMesh*) const = 0;
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private:
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bool myMore;
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TSubMeshSet::const_iterator mySubIt, mySubEnd;
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boost::shared_ptr< SMDS_Iterator<VALUE> > myElemIt;
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};
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// =====================
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// class MyElemIterator
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// =====================
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class MyElemIterator: public MyIterator<const SMDS_MeshElement*>
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{
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public:
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MyElemIterator (const TSubMeshSet& theSubMeshes)
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:MyIterator<const SMDS_MeshElement*>( theSubMeshes ) {}
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SMDS_ElemIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
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{ return theSubMesh->GetElements(); }
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};
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// =====================
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// class MyNodeIterator
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// =====================
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class MyNodeIterator: public MyIterator<const SMDS_MeshNode*>
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{
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public:
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MyNodeIterator (const TSubMeshSet& theSubMeshes)
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:MyIterator<const SMDS_MeshNode*>( theSubMeshes ) {}
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SMDS_NodeIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
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{ return theSubMesh->GetNodes(); }
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};
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//=======================================================================
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//function : GetElements
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//purpose :
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//=======================================================================
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SMDS_ElemIteratorPtr SMESHDS_SubMesh::GetElements() const
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{
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if ( IsComplexSubmesh() )
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return SMDS_ElemIteratorPtr( new MyElemIterator( mySubMeshes ));
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return myParent->shapeElementsIterator( myIndex, myNbElements );
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}
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//=======================================================================
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//function : GetNodes
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//purpose :
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//=======================================================================
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SMDS_NodeIteratorPtr SMESHDS_SubMesh::GetNodes() const
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{
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if ( IsComplexSubmesh() )
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return SMDS_NodeIteratorPtr( new MyNodeIterator( mySubMeshes ));
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return myParent->shapeNodesIterator( myIndex, myNbNodes );
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}
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//=======================================================================
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//function : Contains
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//purpose : check if elem or node is in
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//=======================================================================
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bool SMESHDS_SubMesh::Contains(const SMDS_MeshElement * ME) const
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{
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if ( !ME || ME->IsNull() )
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return false;
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if ( IsComplexSubmesh() )
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{
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TSubMeshSet::const_iterator aSubIt = mySubMeshes.begin();
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for (; aSubIt != mySubMeshes.end(); aSubIt++)
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if ((*aSubIt)->Contains(ME))
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return true;
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return false;
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}
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return ME->getshapeId() == myIndex;
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}
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//=======================================================================
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//function : IsQuadratic
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//purpose : Return true if my 1st element is quadratic
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//=======================================================================
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bool SMESHDS_SubMesh::IsQuadratic() const
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{
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if ( IsComplexSubmesh() )
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{
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TSubMeshSet::const_iterator aSubIt = mySubMeshes.begin();
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for (; aSubIt != mySubMeshes.end(); aSubIt++)
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if ((*aSubIt)->IsQuadratic())
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return true;
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return false;
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}
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if ( myNbElements == 0 )
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return false;
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SMDS_ElemIteratorPtr it = GetElements();
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return it->more() && it->next()->IsQuadratic();
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}
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//=======================================================================
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//function : AddSubMesh
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//purpose :
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//=======================================================================
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void SMESHDS_SubMesh::AddSubMesh( const SMESHDS_SubMesh* theSubMesh )
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{
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ASSERT( theSubMesh );
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mySubMeshes.insert( theSubMesh );
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}
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//=======================================================================
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//function : RemoveSubMesh
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//purpose :
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//=======================================================================
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bool SMESHDS_SubMesh::RemoveSubMesh( const SMESHDS_SubMesh* theSubMesh )
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{
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return mySubMeshes.erase( theSubMesh );
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}
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//=======================================================================
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//function : RemoveAllSubmeshes
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//purpose :
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//=======================================================================
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void SMESHDS_SubMesh::RemoveAllSubmeshes()
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{
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mySubMeshes.clear();
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}
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//=======================================================================
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//function : ContainsSubMesh
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//purpose :
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//=======================================================================
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bool SMESHDS_SubMesh::ContainsSubMesh( const SMESHDS_SubMesh* theSubMesh ) const
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{
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return mySubMeshes.find( theSubMesh ) != mySubMeshes.end();
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}
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//=======================================================================
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//function : GetSubMeshIterator
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//purpose :
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//=======================================================================
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SMESHDS_SubMeshIteratorPtr SMESHDS_SubMesh::GetSubMeshIterator() const
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{
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typedef SMDS_SetIterator< const SMESHDS_SubMesh*, TSubMeshSet::const_iterator > TIterator;
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return boost::make_shared< TIterator >( mySubMeshes.begin(), mySubMeshes.end());
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}
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//=======================================================================
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//function : Clear
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//purpose : remove the contents
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//=======================================================================
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void SMESHDS_SubMesh::Clear()
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{
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if ( myParent && myParent->NbNodes() > 0 )
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{
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if ( myNbElements > 0 )
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for ( SMDS_ElemIteratorPtr it = GetElements(); it->more(); )
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{
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const SMDS_MeshElement * elem = it->next();
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elem->setShapeID( 0 );
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}
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if ( myNbNodes > 0 )
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for ( SMDS_NodeIteratorPtr it = GetNodes(); it->more(); )
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{
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const SMDS_MeshNode * elem = it->next();
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elem->setShapeID( 0 );
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}
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}
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myNbElements = 0;
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myNbNodes = 0;
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if ( NbSubMeshes() > 0 )
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{
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SMESHDS_SubMeshIteratorPtr sub = GetSubMeshIterator();
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while ( sub->more() ) {
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if ( SMESHDS_SubMesh* sm = (SMESHDS_SubMesh*) sub->next())
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sm->Clear();
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}
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}
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}
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