-using namespace std;
-// File: SMDS_MeshNode.cxx
-// Created: Wed Jan 23 17:02:11 2002
-// Author: Jean-Michel BOULCOURT
-// <jmb@coulox.paris1.matra-dtv.fr>
+// Copyright (C) 2007-2016 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.
+//
+// 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 SMDS : implementation of Salome mesh data structure
+//
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
-#include "SMDS_MeshNode.ixx"
-#include "SMDS_ListIteratorOfListOfMeshElement.hxx"
+#include "SMDS_MeshNode.hxx"
#include "SMDS_SpacePosition.hxx"
+#include "SMDS_IteratorOfElements.hxx"
+#include "SMDS_Mesh.hxx"
+#include <vtkUnstructuredGrid.h>
-static Handle(SMDS_Position)& StaticInstancePosition()
-{
- static Handle(SMDS_SpacePosition) staticpos;
- if (staticpos.IsNull())
- staticpos = new SMDS_SpacePosition();
+#include "utilities.h"
+#include "Utils_SALOME_Exception.hxx"
+#include <cassert>
- return staticpos;
-}
+using namespace std;
+
+int SMDS_MeshNode::nbNodes =0;
//=======================================================================
//function : SMDS_MeshNode
-//purpose :
+//purpose :
//=======================================================================
+SMDS_MeshNode::SMDS_MeshNode() :
+ SMDS_MeshElement(-1, -1, 0),
+ myPosition(SMDS_SpacePosition::originSpacePosition())
+{
+ nbNodes++;
+}
-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())
+SMDS_MeshNode::SMDS_MeshNode(int id, int meshId, int shapeId, double x, double y, double z):
+ SMDS_MeshElement(id, meshId, shapeId),
+ myPosition(SMDS_SpacePosition::originSpacePosition())
{
+ nbNodes++;
+ init(id, meshId, shapeId, x, y ,z);
}
+void SMDS_MeshNode::init(int id, int meshId, int shapeId, double x, double y, double z)
+{
+ SMDS_MeshElement::init(id, meshId, shapeId);
+ myVtkID = id - 1;
+ assert(myVtkID >= 0);
+ SMDS_UnstructuredGrid * grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
+ vtkPoints *points = grid->GetPoints();
+ points->InsertPoint(myVtkID, x, y, z);
+ if ( grid->HasLinks() )
+ grid->GetLinks()->ResizeForPoint( myVtkID );
+}
+
+SMDS_MeshNode::~SMDS_MeshNode()
+{
+ nbNodes--;
+ if ( myPosition && myPosition != SMDS_SpacePosition::originSpacePosition() )
+ delete myPosition, myPosition = 0;
+}
//=======================================================================
//function : RemoveInverseElement
-//purpose :
+//purpose :
//=======================================================================
-void SMDS_MeshNode::RemoveInverseElement(const Handle(SMDS_MeshElement)& parent)
+void SMDS_MeshNode::RemoveInverseElement(const SMDS_MeshElement * elem)
{
-
- SMDS_ListIteratorOfListOfMeshElement itLstInvCnx(myInverseElements);
-
- for (;itLstInvCnx.More();itLstInvCnx.Next()) {
- Handle(SMDS_MeshElement)& ME = itLstInvCnx.Value();
- if (ME->IsSame(parent))
- myInverseElements.Remove(itLstInvCnx);
- if (!itLstInvCnx.More())
- break;
- }
+ if ( SMDS_Mesh::_meshList[myMeshId]->getGrid()->HasLinks() )
+ SMDS_Mesh::_meshList[myMeshId]->getGrid()->RemoveReferenceToCell(myVtkID, elem->getVtkId());
}
-
//=======================================================================
//function : Print
-//purpose :
+//purpose :
//=======================================================================
-void SMDS_MeshNode::Print(Standard_OStream& OS) const
+void SMDS_MeshNode::Print(ostream & OS) const
{
- OS << "Node <" << myID << "> : X = " << myPnt.X() << " Y = " << myPnt.Y() << " Z = " << myPnt.Z() << endl;
+ OS << "Node <" << myID << "> : X = " << X() << " Y = "
+ << Y() << " Z = " << Z() << endl;
}
-
//=======================================================================
//function : SetPosition
-//purpose :
+//purpose :
//=======================================================================
-void SMDS_MeshNode::SetPosition(const Handle(SMDS_Position)& aPos)
+void SMDS_MeshNode::SetPosition(const SMDS_PositionPtr& aPos)
{
+ if ( myPosition &&
+ myPosition != SMDS_SpacePosition::originSpacePosition() &&
+ myPosition != aPos )
+ delete myPosition;
myPosition = aPos;
}
//=======================================================================
//function : GetPosition
-//purpose :
+//purpose :
//=======================================================================
-Handle(SMDS_Position) SMDS_MeshNode::GetPosition() const
+const SMDS_PositionPtr& SMDS_MeshNode::GetPosition() const
{
return myPosition;
}
+//=======================================================================
+/*!
+ * \brief Iterator on list of elements
+ */
+//=======================================================================
+
+class SMDS_MeshNode_MyInvIterator: public SMDS_ElemIterator
+{
+private:
+ SMDS_Mesh* myMesh;
+ vtkIdType* myCells;
+ int myNcells;
+ SMDSAbs_ElementType myType;
+ int iter;
+ vector<vtkIdType> cellList;
+
+public:
+ SMDS_MeshNode_MyInvIterator(SMDS_Mesh *mesh, vtkIdType* cells, int ncells, SMDSAbs_ElementType type) :
+ myMesh(mesh), myCells(cells), myNcells(ncells), myType(type), iter(0)
+ {
+ if ( ncells )
+ {
+ cellList.reserve( ncells );
+ if (type == SMDSAbs_All)
+ {
+ cellList.assign( cells, cells + ncells );
+ }
+ else
+ {
+ for (int i = 0; i < ncells; i++)
+ {
+ int vtkId = cells[i];
+ int smdsId = myMesh->fromVtkToSmds(vtkId);
+ const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
+ if (elem->GetType() == type)
+ {
+ cellList.push_back(vtkId);
+ }
+ }
+ }
+ myCells = cellList.empty() ? 0 : &cellList[0];
+ myNcells = cellList.size();
+ }
+ }
+
+ bool more()
+ {
+ return (iter < myNcells);
+ }
+
+ const SMDS_MeshElement* next()
+ {
+ int vtkId = myCells[iter];
+ int smdsId = myMesh->fromVtkToSmds(vtkId);
+ const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
+ if (!elem)
+ {
+ MESSAGE("SMDS_MeshNode_MyInvIterator problem Null element");
+ throw SALOME_Exception("SMDS_MeshNode_MyInvIterator problem Null element");
+ }
+ iter++;
+ return elem;
+ }
+};
+
+SMDS_ElemIteratorPtr SMDS_MeshNode::GetInverseElementIterator(SMDSAbs_ElementType type) const
+{
+ if ( SMDS_Mesh::_meshList[myMeshId]->NbElements() > 0 ) // avoid building links
+ {
+ vtkCellLinks::Link& l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetLinks()->GetLink(myVtkID);
+ return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyInvIterator(SMDS_Mesh::_meshList[myMeshId], l.cells, l.ncells, type));
+ }
+ else
+ {
+ return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyInvIterator(SMDS_Mesh::_meshList[myMeshId], 0, 0, type));
+ }
+}
+
+SMDS_ElemIteratorPtr SMDS_MeshNode::elementsIterator(SMDSAbs_ElementType type) const
+{
+ if ( type == SMDSAbs_Node )
+ return SMDS_MeshElement::elementsIterator( SMDSAbs_Node );
+ else
+ return GetInverseElementIterator( type );
+}
+
+int SMDS_MeshNode::NbNodes() const
+{
+ return 1;
+}
+
+double* SMDS_MeshNode::getCoord() const
+{
+ return SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetPoint(myVtkID);
+}
+
+double SMDS_MeshNode::X() const
+{
+ double *coord = getCoord();
+ return coord[0];
+}
+
+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::GetXYZ(double xyz[3]) const
+{
+ return SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetPoint(myVtkID,xyz);
+}
+
+//================================================================================
+void SMDS_MeshNode::setXYZ(double x, double y, double z)
+{
+ SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
+ vtkPoints *points = mesh->getGrid()->GetPoints();
+ points->InsertPoint(myVtkID, x, y, z);
+ mesh->adjustBoundingBox(x, y, z);
+ mesh->setMyModified();
+}
+
+SMDSAbs_ElementType SMDS_MeshNode::GetType() const
+{
+ return SMDSAbs_Node;
+}
+
+vtkIdType SMDS_MeshNode::GetVtkType() const
+{
+ return VTK_VERTEX;
+}
+
+//=======================================================================
+//function : AddInverseElement
+//purpose :
+//=======================================================================
+void SMDS_MeshNode::AddInverseElement(const SMDS_MeshElement* ME)
+{
+ SMDS_UnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
+ if ( grid->HasLinks() )
+ {
+ vtkCellLinks *Links = grid->GetLinks();
+ Links->ResizeCellList(myVtkID, 1);
+ Links->AddCellReference(ME->getVtkId(), myVtkID);
+ }
+}
+
+//=======================================================================
+//function : ClearInverseElements
+//purpose :
+//=======================================================================
+void SMDS_MeshNode::ClearInverseElements()
+{
+ SMDS_Mesh::_meshList[myMeshId]->getGrid()->ResizeCellList(myVtkID, 0);
+}
+
+//================================================================================
+/*!
+ * \brief Count inverse elements of given type
+ */
+//================================================================================
+
+int SMDS_MeshNode::NbInverseElements(SMDSAbs_ElementType type) const
+{
+ int nb = 0;
+ if ( SMDS_Mesh::_meshList[myMeshId]->NbElements() > 0 ) // avoid building links
+ {
+ vtkCellLinks::Link& l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetLinks()->GetLink(myVtkID);
+
+ if ( type == SMDSAbs_All )
+ return l.ncells;
+
+ SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
+ 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;
+}
