-// SMESH SMESHDS : management of mesh data and SMESH document
+// Copyright (C) 2007-2019 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
+// SMESH SMESHDS : management of mesh data and SMESH document
// File : SMESH_SubMesh.cxx
// Author : Yves FRICAUD, OCC
// Module : SMESH
// $Header:
-
-using namespace std;
+//
#include "SMESHDS_SubMesh.hxx"
+#include "SMDS_ElementFactory.hxx"
+#include "SMDS_IteratorOnIterators.hxx"
+#include "SMDS_SetIterator.hxx"
+#include "SMESHDS_Mesh.hxx"
+
+#include <utilities.h>
+
+namespace
+{
+ typedef const SMDS_MeshElement* PElem;
+ typedef const SMDS_MeshNode* PNode;
+
+ typedef SMDS_SetIterator< PElem, PElem const *,
+ SMDS::SimpleAccessor< PElem, PElem const * >,
+ SMDS::NonNullFilter< PElem > > EArrayIterator;
+
+ typedef SMDS_SetIterator< PNode, PNode const *,
+ SMDS::SimpleAccessor< PNode, PNode const * >,
+ SMDS::NonNullFilter< PNode > > NArrayIterator;
+
+ int ind1st( SMDSAbs_ElementType t )
+ {
+ return t == SMDSAbs_Node;
+ }
+
+ //=======================================================================
+ //class : _MyElemIteratorFromNodeIterator
+ //=======================================================================
+ class _MyElemIteratorFromNodeIterator : public SMDS_ElemIterator
+ {
+ SMDS_NodeIteratorPtr myItr;
+ public:
+ _MyElemIteratorFromNodeIterator(SMDS_NodeIteratorPtr nodeItr): myItr( nodeItr ) {}
+ bool more() { return myItr->more(); }
+ const SMDS_MeshElement* next() { return myItr->next(); }
+ };
+}
+
+//================================================================================
+/*!
+ * \brief Constructor
+ */
+//================================================================================
+
+SMESHDS_SubMesh::SMESHDS_SubMesh(const SMESHDS_Mesh *parent, int index)
+ : SMDS_ElementHolder( parent )
+{
+ myParent = parent;
+ myIndex = index;
+ myNbElements = 0;
+ myNbNodes = 0;
+ my1stElemNode[0] = my1stElemNode[1] = 0;
+}
+
+//================================================================================
+/*!
+ * \brief Destructor
+ */
+//================================================================================
+
+SMESHDS_SubMesh::~SMESHDS_SubMesh()
+{
+}
+
//=======================================================================
//function : AddElement
-//purpose :
+//purpose :
//=======================================================================
-void SMESHDS_SubMesh::AddElement(const SMDS_MeshElement * ME)
+
+void SMESHDS_SubMesh::AddElement(const SMDS_MeshElement * elem)
{
- myElements.insert(ME);
+ if (!IsComplexSubmesh())
+ {
+ if ( elem->GetType() == SMDSAbs_Node )
+ {
+ AddNode( static_cast< const SMDS_MeshNode* >( elem ));
+ return;
+ }
+ int oldShapeId = elem->GetShapeID();
+ if ( oldShapeId > 0 )
+ {
+ if (oldShapeId != myIndex)
+ {
+ throw SALOME_Exception
+ (LOCALIZED("add element in subshape already belonging to a subshape"));
+ }
+ }
+
+ elem->setShapeID( myIndex );
+ myNbElements++;
+
+ // remember element with smallest ID to optimize iteration on them
+ add( elem );
+ }
}
//=======================================================================
//function : RemoveElement
-//purpose :
+//purpose :
//=======================================================================
-void SMESHDS_SubMesh::RemoveElement(const SMDS_MeshElement * ME)
+
+bool SMESHDS_SubMesh::RemoveElement(const SMDS_MeshElement * elem )
{
- myElements.erase(ME);
+ if ( myNbElements == 0 || !elem || elem->IsNull() || elem->getshapeId() != myIndex )
+ {
+ return false;
+ }
+ if ( !IsComplexSubmesh() )
+ {
+ elem->setShapeID( 0 );
+ myNbElements--;
+
+ const SMDS_MeshElement* & elem1st = my1stElemNode[ ind1st( elem->GetType() )];
+ if ( elem1st == elem )
+ {
+ if ( myNbElements > 0 )
+ {
+ SMDS_ElemIteratorPtr it = myParent->shapeElementsIterator( myIndex, 1, elem1st );
+ if ( it->more() )
+ elem1st = it->next();
+ else
+ throw SALOME_Exception(LOCALIZED("invalid myNbElements"));
+ }
+ else
+ {
+ elem1st = 0;
+ }
+ }
+ return true;
+ }
+ return false;
}
//=======================================================================
//function : AddNode
-//purpose :
+//purpose :
//=======================================================================
+
void SMESHDS_SubMesh::AddNode(const SMDS_MeshNode * N)
{
- myNodes.insert(N);
+ if ( !IsComplexSubmesh() )
+ {
+ const int shapeId = N->getshapeId();
+ if ( shapeId > 0 )
+ {
+ if ( shapeId != myIndex )
+ throw SALOME_Exception
+ (LOCALIZED("a node being in sub-mesh is added to another sub-mesh"));
+ return; // already in
+ }
+ N->setShapeID( myIndex );
+ myNbNodes++;
+
+ // remember node with smallest ID to optimize iteration on them
+ add( N );
+ }
}
//=======================================================================
//function : RemoveNode
-//purpose :
+//purpose :
//=======================================================================
-void SMESHDS_SubMesh::RemoveNode(const SMDS_MeshNode * N)
+
+bool SMESHDS_SubMesh::RemoveNode(const SMDS_MeshNode * N)
{
- myNodes.erase(N);
+ if ( myNbNodes == 0 || !N || N->getshapeId() != myIndex )
+ {
+ return false;
+ }
+ if ( !IsComplexSubmesh() )
+ {
+ N->setShapeID( 0 );
+ myNbNodes--;
+
+ const SMDS_MeshElement* & node1st = my1stElemNode[ ind1st( SMDSAbs_Node )];
+ if ( node1st == N )
+ {
+ if ( myNbNodes > 0 )
+ {
+ SMDS_NodeIteratorPtr it =
+ myParent->shapeNodesIterator( myIndex, 1, static_cast< PNode >( node1st ));
+ if ( it->more() )
+ node1st = it->next();
+ else
+ throw SALOME_Exception(LOCALIZED("invalid myNbNodes"));
+ }
+ else
+ {
+ node1st = 0;
+ }
+ }
+ return true;
+ }
+ return false;
}
//=======================================================================
//function : NbElements
-//purpose :
+//purpose :
//=======================================================================
+
int SMESHDS_SubMesh::NbElements() const
{
- return myElements.size();
+ if ( !IsComplexSubmesh() )
+ return myNbElements;
+
+ int nbElems = 0;
+ TSubMeshSet::const_iterator it = mySubMeshes.begin();
+ for ( ; it != mySubMeshes.end(); it++ )
+ nbElems += (*it)->NbElements();
+
+ return nbElems;
}
//=======================================================================
//function : NbNodes
-//purpose :
+//purpose :
//=======================================================================
+
int SMESHDS_SubMesh::NbNodes() const
{
- return myNodes.size();
+ if ( !IsComplexSubmesh() )
+ return myNbNodes;
+
+ int nbElems = 0;
+ TSubMeshSet::const_iterator it = mySubMeshes.begin();
+ for ( ; it != mySubMeshes.end(); it++ )
+ nbElems += (*it)->NbNodes();
+
+ return nbElems;
}
-template<typename T> class MySetIterator:public SMDS_Iterator<const T*>
+// =====================
+// class MyIterator
+// =====================
+
+template<typename VALUE> class MyIterator : public SMDS_Iterator<VALUE>
{
- const set<const T*>& mySet;
- set<const T*>::const_iterator myIt;
+public:
+ MyIterator (const TSubMeshSet& theSubMeshes)
+ : myMore(false), mySubIt( theSubMeshes.begin() ), mySubEnd( theSubMeshes.end() )
+ {}
+ bool more()
+ {
+ while (( !myElemIt.get() || !myElemIt->more() ) && mySubIt != mySubEnd)
+ {
+ myElemIt = getElements(*mySubIt);
+ mySubIt++;
+ }
+ myMore = myElemIt.get() && myElemIt->more();
+ return myMore;
+ }
+ VALUE next()
+ {
+ VALUE elem = 0;
+ if ( myMore )
+ elem = myElemIt->next();
+ return elem;
+ }
+protected:
+ virtual boost::shared_ptr< SMDS_Iterator<VALUE> >
+ getElements(const SMESHDS_SubMesh*) const = 0;
- public:
- MySetIterator(const set<const T*>& s):mySet(s), myIt(s.begin())
- {
- }
-
- bool more()
- {
- return myIt!=mySet.end();
- }
- const T* next()
- {
- const T* t=*myIt;
- myIt++;
- return t;
- }
+private:
+ bool myMore;
+ TSubMeshSet::const_iterator mySubIt, mySubEnd;
+ boost::shared_ptr< SMDS_Iterator<VALUE> > myElemIt;
};
-///////////////////////////////////////////////////////////////////////////////
-///Return an iterator on the elements of submesh
-///The created iterator must be free by the caller
-///////////////////////////////////////////////////////////////////////////////
-SMDS_Iterator<const SMDS_MeshElement*> * SMESHDS_SubMesh::GetElements() const
+
+// =====================
+// class MyElemIterator
+// =====================
+
+class MyElemIterator: public MyIterator<const SMDS_MeshElement*>
+{
+public:
+ MyElemIterator (const TSubMeshSet& theSubMeshes)
+ :MyIterator<const SMDS_MeshElement*>( theSubMeshes ) {}
+ SMDS_ElemIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
+ { return theSubMesh->GetElements(); }
+};
+
+// =====================
+// class MyNodeIterator
+// =====================
+
+class MyNodeIterator: public MyIterator<const SMDS_MeshNode*>
{
- return new MySetIterator<SMDS_MeshElement>(myElements);
+public:
+ MyNodeIterator (const TSubMeshSet& theSubMeshes)
+ :MyIterator<const SMDS_MeshNode*>( theSubMeshes ) {}
+ SMDS_NodeIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
+ { return theSubMesh->GetNodes(); }
+};
+
+//=======================================================================
+//function : GetElements
+//purpose :
+//=======================================================================
+
+SMDS_ElemIteratorPtr SMESHDS_SubMesh::GetElements() const
+{
+ if ( IsComplexSubmesh() )
+ return SMDS_ElemIteratorPtr( new MyElemIterator( mySubMeshes ));
+
+ const SMDS_MeshElement* const * elem1st = & my1stElemNode[ ind1st( SMDSAbs_All )];
+ if ( myNbElements < 2 )
+ {
+ return boost::make_shared< EArrayIterator >( elem1st, elem1st + myNbElements );
+ }
+
+ return myParent->shapeElementsIterator( myIndex, myNbElements, *elem1st );
}
-///////////////////////////////////////////////////////////////////////////////
-///Return an iterator on the nodes of submesh
-///The created iterator must be free by the caller
-///////////////////////////////////////////////////////////////////////////////
-SMDS_Iterator<const SMDS_MeshNode*> * SMESHDS_SubMesh::GetNodes() const
+//=======================================================================
+//function : GetNodes
+//purpose :
+//=======================================================================
+
+SMDS_NodeIteratorPtr SMESHDS_SubMesh::GetNodes() const
{
- return new MySetIterator<SMDS_MeshNode>(myNodes);
+ if ( IsComplexSubmesh() )
+ return SMDS_NodeIteratorPtr( new MyNodeIterator( mySubMeshes ));
+
+ PNode const * node1st =
+ reinterpret_cast< PNode const* >( & my1stElemNode[ ind1st( SMDSAbs_Node )] );
+ if ( myNbNodes < 2 )
+ {
+ return boost::make_shared< NArrayIterator >( node1st, node1st + myNbNodes );
+ }
+
+ return myParent->shapeNodesIterator( myIndex, myNbNodes, *node1st );
}
+//=======================================================================
+//function : Contains
+//purpose : check if elem or node is in
+//=======================================================================
+
+bool SMESHDS_SubMesh::Contains(const SMDS_MeshElement * ME) const
+{
+ if ( !ME || ME->IsNull() )
+ return false;
+
+ if ( IsComplexSubmesh() )
+ {
+ TSubMeshSet::const_iterator aSubIt = mySubMeshes.begin();
+ for (; aSubIt != mySubMeshes.end(); aSubIt++)
+ if ((*aSubIt)->Contains(ME))
+ return true;
+ return false;
+ }
+ return ME->getshapeId() == myIndex;
+}
+
+//=======================================================================
+//function : IsQuadratic
+//purpose : Return true if my 1st element is quadratic
+//=======================================================================
+
+bool SMESHDS_SubMesh::IsQuadratic() const
+{
+ if ( IsComplexSubmesh() )
+ {
+ TSubMeshSet::const_iterator aSubIt = mySubMeshes.begin();
+ for (; aSubIt != mySubMeshes.end(); aSubIt++)
+ if ((*aSubIt)->IsQuadratic())
+ return true;
+ return false;
+ }
+
+ if ( myNbElements == 0 )
+ return false;
+
+ SMDS_ElemIteratorPtr it = GetElements();
+ return it->more() && it->next()->IsQuadratic();
+}
+
+//=======================================================================
+//function : AddSubMesh
+//purpose :
+//=======================================================================
+
+void SMESHDS_SubMesh::AddSubMesh( const SMESHDS_SubMesh* theSubMesh )
+{
+ ASSERT( theSubMesh );
+ mySubMeshes.insert( theSubMesh );
+}
+
+//=======================================================================
+//function : RemoveSubMesh
+//purpose :
+//=======================================================================
+
+bool SMESHDS_SubMesh::RemoveSubMesh( const SMESHDS_SubMesh* theSubMesh )
+{
+ return mySubMeshes.erase( theSubMesh );
+}
+
+//=======================================================================
+//function : RemoveAllSubmeshes
+//purpose :
+//=======================================================================
+
+void SMESHDS_SubMesh::RemoveAllSubmeshes()
+{
+ mySubMeshes.clear();
+}
+
+//=======================================================================
+//function : ContainsSubMesh
+//purpose :
+//=======================================================================
+
+bool SMESHDS_SubMesh::ContainsSubMesh( const SMESHDS_SubMesh* theSubMesh ) const
+{
+ return mySubMeshes.find( theSubMesh ) != mySubMeshes.end();
+}
+
+//=======================================================================
+//function : GetSubMeshIterator
+//purpose :
+//=======================================================================
+
+SMESHDS_SubMeshIteratorPtr SMESHDS_SubMesh::GetSubMeshIterator() const
+{
+ typedef SMDS_SetIterator< const SMESHDS_SubMesh*, TSubMeshSet::const_iterator > TIterator;
+ return boost::make_shared< TIterator >( mySubMeshes.begin(), mySubMeshes.end());
+}
+
+//=======================================================================
+//function : Clear
+//purpose : remove the contents
+//=======================================================================
+
+void SMESHDS_SubMesh::Clear()
+{
+ if ( myParent && myParent->NbNodes() > 0 )
+ {
+ if ( myNbElements > 0 )
+ for ( SMDS_ElemIteratorPtr it = GetElements(); it->more(); )
+ {
+ const SMDS_MeshElement * elem = it->next();
+ elem->setShapeID( 0 );
+ }
+ if ( myNbNodes > 0 )
+ for ( SMDS_NodeIteratorPtr it = GetNodes(); it->more(); )
+ {
+ const SMDS_MeshNode * elem = it->next();
+ elem->setShapeID( 0 );
+ }
+ }
+
+ myNbElements = 0;
+ myNbNodes = 0;
+ my1stElemNode[0] = my1stElemNode[1] = 0;
+
+ if ( NbSubMeshes() > 0 )
+ {
+ SMESHDS_SubMeshIteratorPtr sub = GetSubMeshIterator();
+ while ( sub->more() ) {
+ if ( SMESHDS_SubMesh* sm = (SMESHDS_SubMesh*) sub->next())
+ sm->Clear();
+ }
+ }
+}
+
+//=======================================================================
+//function : getElements
+//purpose : Return iterator on all elements and nodes during compacting
+//=======================================================================
+
+SMDS_ElemIteratorPtr SMESHDS_SubMesh::getElements()
+{
+ if ( IsComplexSubmesh() ) // return nothing
+ boost::make_shared< EArrayIterator >( & my1stElemNode[0], & my1stElemNode[0] );
+
+ typedef std::vector< SMDS_ElemIteratorPtr > TIterVec;
+ TIterVec iterVec(2);
+ iterVec[0] = GetElements();
+ iterVec[1].reset( new _MyElemIteratorFromNodeIterator( GetNodes() ));
+
+ return boost::make_shared< SMDS_IteratorOnIterators< PElem, TIterVec > >( iterVec );
+}
+
+//=======================================================================
+//function : tmpClear
+//purpose : clean up after compacting
+//=======================================================================
+
+void SMESHDS_SubMesh::tmpClear()
+{
+ my1stElemNode[0] = my1stElemNode[1] = 0;
+}
+
+//=======================================================================
+//function : add
+//purpose : update my1stElemNode
+//=======================================================================
+
+void SMESHDS_SubMesh::add( const SMDS_MeshElement* elem )
+{
+ const SMDS_MeshElement* & oldElem = my1stElemNode[ ind1st( elem->GetType() )];
+ if ( !oldElem || oldElem->GetID() > elem->GetID() )
+ oldElem = elem;
+}