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