mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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217 lines
8.1 KiB
C++
217 lines
8.1 KiB
C++
// Copyright (C) 2007-2011 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.
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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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// File : StdMeshers_Projection_1D2D.cxx
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// Module : SMESH
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// Author : Edward AGAPOV (eap)
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//
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#include "StdMeshers_Projection_1D2D.hxx"
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#include "SMESH_Gen.hxx"
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#include "SMESH_MesherHelper.hxx"
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#include "SMESH_subMeshEventListener.hxx"
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#include "StdMeshers_FaceSide.hxx"
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#include "StdMeshers_ProjectionSource2D.hxx"
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#include "StdMeshers_ProjectionUtils.hxx"
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#include <TopoDS.hxx>
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#include <TopExp_Explorer.hxx>
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using namespace std;
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//#define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; }
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//=======================================================================
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//function : StdMeshers_Projection_1D2D
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//purpose :
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//=======================================================================
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StdMeshers_Projection_1D2D::StdMeshers_Projection_1D2D(int hypId, int studyId, SMESH_Gen* gen)
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:StdMeshers_Projection_2D(hypId, studyId, gen)
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{
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_name = "Projection_1D2D";
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_requireDescretBoundary = false;
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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bool StdMeshers_Projection_1D2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
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{
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if ( !StdMeshers_Projection_2D::Compute(theMesh, theShape))
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return false;
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SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
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SMESHDS_SubMesh * faceSubMesh = meshDS->MeshElements( theShape );
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if ( !faceSubMesh || faceSubMesh->NbElements() == 0 ) return false;
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_quadraticMesh = faceSubMesh->GetElements()->next()->IsQuadratic();
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SMESH_MesherHelper helper( theMesh );
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helper.SetSubShape( theShape );
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TopoDS_Face F = TopoDS::Face( theShape );
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TError err;
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TSideVector wires = StdMeshers_FaceSide::GetFaceWires( F, theMesh,
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/*ignoreMediumNodes=*/false, err);
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if ( err && !err->IsOK() )
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return error( err );
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for ( size_t iWire = 0; iWire < wires.size(); ++iWire )
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{
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vector<const SMDS_MeshNode*> nodes = wires[ iWire ]->GetOrderedNodes();
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if ( nodes.empty() )
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return error("No nodes found on a wire");
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const bool checkExisting = wires[ iWire ]->NbSegments();
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if ( _quadraticMesh )
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{
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for ( size_t i = 2; i < nodes.size(); i += 2 )
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{
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if ( checkExisting && meshDS->FindEdge( nodes[i-2], nodes[i], nodes[i-1]))
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continue;
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SMDS_MeshElement* e = meshDS->AddEdge( nodes[i-2], nodes[i], nodes[i-1] );
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meshDS->SetMeshElementOnShape( e, nodes[i-1]->getshapeId() );
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}
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}
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else
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{
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int edgeID = meshDS->ShapeToIndex( wires[ iWire ]->Edge(0) );
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for ( size_t i = 1; i < nodes.size(); ++i )
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{
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if ( checkExisting && meshDS->FindEdge( nodes[i-1], nodes[i]))
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continue;
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SMDS_MeshElement* e = meshDS->AddEdge( nodes[i-1], nodes[i] );
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if ( nodes[i-1]->getshapeId() != edgeID &&
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nodes[i ]->getshapeId() != edgeID )
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{
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edgeID = helper.GetMediumPos( nodes[i-1], nodes[i] ).first;
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if ( edgeID < 1 ) edgeID = helper.GetSubShapeID();
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}
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meshDS->SetMeshElementOnShape( e, edgeID );
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}
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}
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}
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return true;
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}
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//=======================================================================
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//function : Evaluate
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//purpose :
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//=======================================================================
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bool StdMeshers_Projection_1D2D::Evaluate(SMESH_Mesh& theMesh,
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const TopoDS_Shape& theShape,
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MapShapeNbElems& aResMap)
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{
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if ( !StdMeshers_Projection_2D::Evaluate(theMesh,theShape,aResMap))
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return false;
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TopoDS_Shape srcFace = _sourceHypo->GetSourceFace();
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SMESH_Mesh * srcMesh = _sourceHypo->GetSourceMesh();
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if ( !srcMesh ) srcMesh = & theMesh;
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SMESH_subMesh* srcFaceSM = srcMesh->GetSubMesh( srcFace );
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typedef StdMeshers_ProjectionUtils SPU;
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SPU::TShapeShapeMap shape2ShapeMap;
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SPU::InitVertexAssociation( _sourceHypo, shape2ShapeMap, theShape );
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if ( !SPU::FindSubShapeAssociation( theShape, &theMesh, srcFace, srcMesh, shape2ShapeMap))
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return error(COMPERR_BAD_SHAPE,"Topology of source and target faces seems different" );
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MapShapeNbElems srcResMap;
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if ( !srcFaceSM->IsMeshComputed() )
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_gen->Evaluate( *srcMesh, srcFace, srcResMap);
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SMESH_subMeshIteratorPtr smIt = srcFaceSM->getDependsOnIterator(/*includeSelf=*/false,
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/*complexShapeFirst=*/true);
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while ( smIt->more() )
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{
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SMESH_subMesh* srcSM = smIt->next();
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TopAbs_ShapeEnum shapeType = srcSM->GetSubShape().ShapeType();
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if ( shapeType == TopAbs_EDGE )
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{
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std::vector<int> aVec;
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SMESHDS_SubMesh* srcSubMeshDS = srcSM->GetSubMeshDS();
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if ( srcSubMeshDS && srcSubMeshDS->NbElements() )
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{
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aVec.resize(SMDSEntity_Last, 0);
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SMDS_ElemIteratorPtr eIt = srcSubMeshDS->GetElements();
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_quadraticMesh = ( eIt->more() && eIt->next()->IsQuadratic() );
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aVec[SMDSEntity_Node] = srcSubMeshDS->NbNodes();
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aVec[_quadraticMesh ? SMDSEntity_Quad_Edge : SMDSEntity_Edge] = srcSubMeshDS->NbElements();
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}
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else
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{
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if ( srcResMap.empty() )
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if ( !_gen->Evaluate( *srcMesh, srcSM->GetSubShape(), srcResMap ))
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return error(COMPERR_BAD_INPUT_MESH,"Source mesh not evaluatable");
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aVec = srcResMap[ srcSM ];
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if ( aVec.empty() )
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return error(COMPERR_BAD_INPUT_MESH,"Source mesh is wrongly evaluated");
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}
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TopoDS_Shape tgtEdge = shape2ShapeMap( srcSM->GetSubShape() );
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SMESH_subMesh* tgtSM = theMesh.GetSubMesh( tgtEdge );
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aResMap.insert(std::make_pair(tgtSM,aVec));
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}
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if ( shapeType == TopAbs_VERTEX ) break;
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}
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return true;
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}
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//=======================================================================
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//function : SetEventListener
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//purpose : Sets a default event listener to submesh of the source face.
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// whenSetToFaceSubMesh - submesh where algo is set
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// After being set, event listener is notified on each event of a submesh.
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// This method is called when a submesh gets HYP_OK algo_state.
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// Arranges that CLEAN event is translated from source submesh to
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// the whenSetToFaceSubMesh submesh.
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//=======================================================================
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void StdMeshers_Projection_1D2D::SetEventListener(SMESH_subMesh* whenSetToFaceSubMesh)
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{
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// set a listener of events on a source submesh
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StdMeshers_Projection_2D::SetEventListener(whenSetToFaceSubMesh);
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// set a listener to the target FACE submesh in order to update submehses
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// of EDGEs according to events on the target FACE submesh
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// fill a listener data with submeshes of EDGEs
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SMESH_subMeshEventListenerData* data =
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new SMESH_subMeshEventListenerData(/*isDeletable=*/true);
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SMESH_Mesh* mesh = whenSetToFaceSubMesh->GetFather();
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TopExp_Explorer eExp( whenSetToFaceSubMesh->GetSubShape(), TopAbs_EDGE );
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for ( ; eExp.More(); eExp.Next() )
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data->mySubMeshes.push_back( mesh->GetSubMesh( eExp.Current() ));
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// set a listener
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SMESH_subMeshEventListener* listener =
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new SMESH_subMeshEventListener(/*isDeletable=*/true);
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whenSetToFaceSubMesh->SetEventListener( listener, data, whenSetToFaceSubMesh );
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}
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