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https://git.salome-platform.org/gitpub/modules/smesh.git
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528 lines
16 KiB
C++
528 lines
16 KiB
C++
// Copyright (C) 2007-2014 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 "utilities.h"
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#include "SMDS_SetIterator.hxx"
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#include <iostream>
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#include <cassert>
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using namespace std;
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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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myElements.clear();
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myNodes.clear();
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myIndex = index;
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myUnusedIdNodes = 0;
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myUnusedIdElements = 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 * ME)
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{
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if (!IsComplexSubmesh())
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{
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if ( ME->GetType() == SMDSAbs_Node )
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{
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AddNode( static_cast< const SMDS_MeshNode* >( ME ));
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return;
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}
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int oldShapeId = ME->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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MESSAGE("add element in subshape already belonging to another subshape "
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<< ME->GetID() << " " << oldShapeId << " " << myIndex);
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throw SALOME_Exception(LOCALIZED("add element in subshape already belonging to a subshape"));
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}
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else
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{
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int idInSubShape = ME->getIdInShape();
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if (idInSubShape >= 0)
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{
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MESSAGE("add element in subshape already belonging to that subshape "
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<< ME->GetID() << " " << oldShapeId << " " << idInSubShape);
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// check if ok: do nothing if ok
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if (idInSubShape >= myElements.size())
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{
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MESSAGE("out of bounds " << idInSubShape << " " << myElements.size());
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throw SALOME_Exception(LOCALIZED("out of bounds"));
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}
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if (ME != myElements[idInSubShape])
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{
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MESSAGE("not the same element");
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throw SALOME_Exception(LOCALIZED("not the same element"));
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}
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MESSAGE("already done, OK, nothing to do");
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return;
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}
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}
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}
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SMDS_MeshElement* elem = (SMDS_MeshElement*) (ME);
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elem->setShapeId(myIndex);
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elem->setIdInShape(myElements.size());
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myElements.push_back(ME);
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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 * ME, bool isElemDeleted)
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{
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if (!ME)
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{
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MESSAGE("-----------------> Remove Null Element " << isElemDeleted);
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return false;
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}
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if (!IsComplexSubmesh())
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{
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if ( ME->getshapeId() != myIndex )
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return false;
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int idInSubShape = ME->getIdInShape();
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SMDS_MeshElement* elem = (SMDS_MeshElement*) (ME);
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elem->setShapeId(0);
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elem->setIdInShape(-1);
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if ((idInSubShape >= 0) && (idInSubShape < myElements.size()))
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{
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myElements[idInSubShape] = 0; // this vector entry is no more used
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if ( ++myUnusedIdElements == (int) myElements.size() )
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{
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clearVector( myElements );
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myUnusedIdElements = 0;
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}
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return true;
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}
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return false;
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}
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MESSAGE("Try to remove an element from a complex submesh ");
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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 idInSubShape = N->getIdInShape();
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const int shapeId = N->getshapeId();
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if ((shapeId > 0) && (idInSubShape >= 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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if ( idInSubShape >= myNodes.size() || myNodes[ idInSubShape ] != N )
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throw SALOME_Exception
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(LOCALIZED("a node with wrong idInSubShape is re-added to the same sub-mesh"));
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return; // already in
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}
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SMDS_MeshNode* node = (SMDS_MeshNode*)(N);
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node->setShapeId(myIndex);
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node->setIdInShape(myNodes.size());
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myNodes.push_back(N);
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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, bool isNodeDeleted)
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{
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if (!IsComplexSubmesh())
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{
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if ( N->getshapeId() != myIndex )
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return false;
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int idInSubShape = N->getIdInShape();
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SMDS_MeshNode* node = (SMDS_MeshNode*) (N);
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node->setShapeId(0);
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node->setIdInShape(-1);
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if ((idInSubShape >= 0) && (idInSubShape < myNodes.size()))
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{
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myNodes[idInSubShape] = 0; // this vector entry is no more used
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if ( ++myUnusedIdNodes == (int) myNodes.size() )
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{
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clearVector( myNodes );
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myUnusedIdNodes = 0;
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}
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return true;
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}
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return false;
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}
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MESSAGE("Try to remove a node from a complex submesh");
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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 myElements.size() - myUnusedIdElements;
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int nbElems = 0;
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set<const SMESHDS_SubMesh*>::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 myNodes.size() - myUnusedIdNodes;
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int nbElems = 0;
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set<const SMESHDS_SubMesh*>::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 submesh elements. Interface of iterator remains
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* unchanged after redesign of SMDS to avoid modification everywhere in SMESH.
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* instances are stored in shared_ptr for automatic destruction.
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* Container is copied for iteration, because original can be modified
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* by addition of elements, for instance, and then reallocated (vector)
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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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typename TSET::const_iterator _it, _end;
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TSET _table;
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public:
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MySetIterator(const TSET& table)
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{
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_table = table;
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_it = _table.begin();
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_end = _table.end();
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while ((_it != _end) && (*_it == 0))
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_it++;
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}
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virtual bool more()
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{
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while ((_it != _end) && (*_it == 0))
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_it++;
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return (_it != _end);
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}
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virtual ELEM next()
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{
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ELEM e = *_it;
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_it++;
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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 set<const SMESHDS_SubMesh*>& theSubMeshes)
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: mySubIt( theSubMeshes.begin() ), mySubEnd( theSubMeshes.end() ), myMore(false)
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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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set<const SMESHDS_SubMesh*>::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 set<const SMESHDS_SubMesh*>& 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 set<const SMESHDS_SubMesh*>& 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 SMDS_ElemIteratorPtr(new MySetIterator<const SMDS_MeshElement*, std::vector<const SMDS_MeshElement*> >(myElements));
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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 SMDS_NodeIteratorPtr(new MySetIterator<const SMDS_MeshNode*, std::vector<const SMDS_MeshNode*> >(myNodes));
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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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// DO NOT TRY TO FIND A REMOVED ELEMENT !!
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//if ( IsComplexSubmesh() || !ME )
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if (!ME)
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return false;
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if (IsComplexSubmesh())
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{
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set<const SMESHDS_SubMesh*>::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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if (ME->GetType() == SMDSAbs_Node)
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{
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int idInShape = ME->getIdInShape();
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if ((idInShape >= 0) && (idInShape < myNodes.size()))
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if (myNodes[idInShape] == ME)
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return true;
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}
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else
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{
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int idInShape = ME->getIdInShape();
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if ((idInShape >= 0) && (idInShape < myElements.size()))
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if (myElements[idInShape] == ME)
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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 : 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 set<const SMESHDS_SubMesh*>::const_iterator TIterator;
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return SMESHDS_SubMeshIteratorPtr
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( new SMDS_SetIterator< const SMESHDS_SubMesh*, TIterator >( mySubMeshes.begin(),
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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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clearVector( myElements );
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clearVector( myNodes );
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myUnusedIdNodes = 0;
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myUnusedIdElements = 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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int SMESHDS_SubMesh::getSize()
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{
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int c = NbNodes();
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int d = NbElements();
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return c+d;
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}
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void SMESHDS_SubMesh::compactList()
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{
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if ( myUnusedIdElements > 0 )
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{
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std::vector<const SMDS_MeshElement*> newElems;
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newElems.reserve( myElements.size() - myUnusedIdElements );
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for (size_t i = 0; i < myElements.size(); i++)
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if (myElements[i])
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{
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SMDS_MeshElement* elem = (SMDS_MeshElement*)myElements[i];
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elem->setIdInShape(newElems.size());
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newElems.push_back(elem);
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}
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myElements.swap(newElems);
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myUnusedIdElements = 0;
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}
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if ( myUnusedIdNodes > 0 )
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{
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std::vector<const SMDS_MeshNode*> newNodes;
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newNodes.reserve( myNodes.size() - myUnusedIdNodes );
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for (size_t i = 0; i < myNodes.size(); i++)
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if (myNodes[i])
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{
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SMDS_MeshNode* node = (SMDS_MeshNode*)myNodes[i];
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node->setIdInShape(newNodes.size());
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newNodes.push_back(node);
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}
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myNodes.swap(newNodes);
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myUnusedIdNodes = 0;
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}
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}
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