-// SMESH SMDS : implementaion of Salome mesh data structure
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
//
-// 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
+// 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.
//
+// 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.
//
-// File : SMDS_MeshNode.cxx
-// Author : Jean-Michel BOULCOURT
-// Module : SMESH
+// 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 SMDS : implementation of Salome mesh data structure
+//
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
+
+#include "SMDS_MeshNode.hxx"
-using namespace std;
-#include "SMDS_MeshNode.ixx"
-#include "SMDS_ListIteratorOfListOfMeshElement.hxx"
+#include "SMDS_ElementFactory.hxx"
+#include "SMDS_Mesh.hxx"
+#include "SMDS_SetIterator.hxx"
#include "SMDS_SpacePosition.hxx"
-static Handle(SMDS_Position)& StaticInstancePosition()
+#include <utilities.h>
+#include <Utils_SALOME_Exception.hxx>
+#include <cassert>
+#include <smIdType.hxx>
+
+#include <boost/make_shared.hpp>
+
+void SMDS_MeshNode::init(double x, double y, double z)
{
- static Handle(SMDS_SpacePosition) staticpos;
- if (staticpos.IsNull())
- staticpos = new SMDS_SpacePosition();
+ SMDS_UnstructuredGrid * grid = getGrid();
+ vtkPoints *points = grid->GetPoints();
+ points->InsertPoint( GetVtkID(), x, y, z );
+ if ( grid->HasLinks() )
+ grid->GetLinks()->ResizeForPoint( GetVtkID() );
+}
- return staticpos;
+//=======================================================================
+//function : RemoveInverseElement
+//purpose :
+//=======================================================================
+
+void SMDS_MeshNode::RemoveInverseElement(const SMDS_MeshElement * elem)
+{
+ if ( getGrid()->HasLinks() )
+ getGrid()->RemoveReferenceToCell( GetVtkID(), elem->GetVtkID());
}
//=======================================================================
-//function : SMDS_MeshNode
-//purpose :
+//function : Print
+//purpose :
//=======================================================================
-SMDS_MeshNode::SMDS_MeshNode(const Standard_Integer ID,
- const Standard_Real x, const Standard_Real y, const Standard_Real z) :
- SMDS_MeshElement(ID,1,SMDSAbs_Node),myPnt(x,y,z),myPosition(StaticInstancePosition())
+void SMDS_MeshNode::Print(ostream & OS) const
{
+ OS << "Node <" << GetID() << "> : X = " << X() << " Y = "
+ << Y() << " Z = " << Z() << endl;
}
+//=======================================================================
+//function : SetPosition
+//purpose :
+//=======================================================================
+
+void SMDS_MeshNode::SetPosition(const SMDS_PositionPtr& aPos, int shapeID)
+{
+ myHolder->SetPosition( this, aPos, shapeID );
+}
//=======================================================================
-//function : RemoveInverseElement
-//purpose :
+//function : GetPosition
+//purpose : Return a position of this node on shape
+//warning : result is std::unique_ptr !
+//=======================================================================
+
+SMDS_PositionPtr SMDS_MeshNode::GetPosition() const
+{
+ return myHolder->GetPosition( this );
+}
+
+//=======================================================================
+/*!
+ * \brief Iterator on list of elements
+ */
//=======================================================================
-void SMDS_MeshNode::RemoveInverseElement(const Handle(SMDS_MeshElement)& parent)
+namespace
{
+ struct InverseIterator: public SMDS_ElemIterator
+ {
+ const SMDS_Mesh* myMesh;
+ size_t myIter;
+ std::vector<vtkIdType> myCellList;
- SMDS_ListIteratorOfListOfMeshElement itLstInvCnx(myInverseElements);
+ InverseIterator(const SMDS_Mesh * mesh = 0,
+ const vtkIdType* cells = 0,
+ const int ncells = 0,
+ SMDSAbs_ElementType type = SMDSAbs_All)
+ : myMesh(mesh), myIter(0)
+ {
+ if ( ncells )
+ {
+ myCellList.reserve( ncells );
+ if (type == SMDSAbs_All)
+ {
+ myCellList.assign( cells, cells + ncells );
+ }
+ else
+ {
+ for (int i = 0; i < ncells; i++)
+ {
+ vtkIdType vtkId = cells[i];
+ smIdType smdsId = myMesh->FromVtkToSmds( vtkId );
+ const SMDS_MeshElement* elem = myMesh->FindElement( smdsId );
+ if ( elem->GetType() == type )
+ {
+ myCellList.push_back(vtkId);
+ }
+ }
+ }
+ }
+ }
- for (;itLstInvCnx.More();itLstInvCnx.Next()) {
- Handle(SMDS_MeshElement)& ME = itLstInvCnx.Value();
- if (ME->IsSame(parent))
- myInverseElements.Remove(itLstInvCnx);
- if (!itLstInvCnx.More())
- break;
+ bool more()
+ {
+ return ( myIter < myCellList.size() );
+ }
+
+ const SMDS_MeshElement* next()
+ {
+ vtkIdType vtkId = myCellList[ myIter++ ];
+ smIdType smdsId = myMesh->FromVtkToSmds( vtkId );
+ const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
+ if (!elem)
+ {
+ MESSAGE("InverseIterator problem Null element");
+ throw SALOME_Exception("InverseIterator problem Null element");
+ }
+ return elem;
+ }
+ };
+
+ //=======================================================================
+ /*!
+ * \brief Iterator on a node
+ */
+ //=======================================================================
+
+ template< class ELEM_ITERATOR >
+ struct Iterator : public ELEM_ITERATOR
+ {
+ typedef typename ELEM_ITERATOR::value_type element_type;
+ const SMDS_MeshNode* myNode;
+
+ Iterator( const SMDS_MeshNode* n ): myNode( n ) {}
+
+ virtual bool more()
+ {
+ return myNode;
+ }
+ virtual element_type next()
+ {
+ element_type res = static_cast<element_type>( myNode );
+ myNode = 0;
+ return res;
+ }
+ };
+}
+
+SMDS_ElemIteratorPtr SMDS_MeshNode::GetInverseElementIterator(SMDSAbs_ElementType type) const
+{
+ if ( GetMesh()->NbElements() > 0 ) // avoid building links
+ {
+ vtkCellLinks::Link& l = getGrid()->GetLinks()->GetLink( GetVtkID() );
+ return boost::make_shared< InverseIterator >( GetMesh(), l.cells, l.ncells, type );
+ }
+ else
+ {
+ return boost::make_shared< InverseIterator >();
}
}
+SMDS_ElemIteratorPtr SMDS_MeshNode::nodesIterator() const
+{
+ return boost::make_shared< Iterator< SMDS_ElemIterator > >( this );
+}
-//=======================================================================
-//function : Print
-//purpose :
-//=======================================================================
+SMDS_NodeIteratorPtr SMDS_MeshNode::nodeIterator() const
+{
+ return boost::make_shared< Iterator< SMDS_NodeIterator > >( this );
+}
+
+const SMDS_MeshNode* SMDS_MeshNode::GetNode(const int ind) const
+{
+ return ind == 0 ? this : 0;
+}
-void SMDS_MeshNode::Print(Standard_OStream& OS) const
+double* SMDS_MeshNode::getCoord() const
{
- OS << "Node <" << myID << "> : X = " << myPnt.X() << " Y = " << myPnt.Y() << " Z = " << myPnt.Z() << endl;
+ return getGrid()->GetPoint( GetVtkID() );
}
+double SMDS_MeshNode::X() const
+{
+ double *coord = getCoord();
+ return coord[0];
+}
-//=======================================================================
-//function : SetPosition
-//purpose :
-//=======================================================================
+double SMDS_MeshNode::Y() const
+{
+ double *coord = getCoord();
+ return coord[1];
+}
+
+double SMDS_MeshNode::Z() const
+{
+ double *coord = getCoord();
+ return coord[2];
+}
+
+//================================================================================
+/*!
+ * \brief thread safe getting coords
+ */
+//================================================================================
-void SMDS_MeshNode::SetPosition(const Handle(SMDS_Position)& aPos)
+void SMDS_MeshNode::GetXYZ(double xyz[3]) const
{
- myPosition = aPos;
+ return getGrid()->GetPoint( GetVtkID(), xyz );
+}
+
+//================================================================================
+void SMDS_MeshNode::setXYZ( double x, double y, double z )
+{
+ vtkPoints *points = getGrid()->GetPoints();
+ points->InsertPoint( GetVtkID(), x, y, z );
+ //GetMesh()->adjustBoundingBox(x, y, z);
+ GetMesh()->setMyModified();
}
//=======================================================================
-//function : GetPosition
-//purpose :
+//function : AddInverseElement
+//purpose :
//=======================================================================
+void SMDS_MeshNode::AddInverseElement( const SMDS_MeshElement* elem )
+{
+ SMDS_UnstructuredGrid* grid = getGrid();
+ if ( grid->HasLinks() )
+ {
+ vtkCellLinks *Links = grid->GetLinks();
+ Links->ResizeCellList( GetVtkID(), 1 );
+ Links->AddCellReference( elem->GetVtkID(), GetVtkID() );
+ }
+}
-Handle(SMDS_Position) SMDS_MeshNode::GetPosition() const
+//=======================================================================
+//function : ClearInverseElements
+//purpose :
+//=======================================================================
+void SMDS_MeshNode::ClearInverseElements()
{
- return myPosition;
+ getGrid()->ResizeCellList( GetVtkID(), 0);
}
+//================================================================================
+/*!
+ * \brief Count inverse elements of given type
+ */
+//================================================================================
+
+int SMDS_MeshNode::NbInverseElements(SMDSAbs_ElementType type) const
+{
+ int nb = 0;
+ SMDS_Mesh *mesh = GetMesh();
+ if ( mesh->NbElements() > 0 ) // avoid building links
+ {
+ vtkCellLinks::Link& l = mesh->GetGrid()->GetLinks()->GetLink( GetVtkID() );
+
+ if ( type == SMDSAbs_All )
+ return l.ncells;
+
+ for ( int i = 0; i < l.ncells; i++ )
+ {
+ const SMDS_MeshElement* elem = mesh->FindElement( mesh->FromVtkToSmds( l.cells[i] ));
+ nb += ( elem->GetType() == type );
+ }
+ }
+ return nb;
+}
