From 8df43f2a70500bf1538af878518a9d9dcd456c58 Mon Sep 17 00:00:00 2001 From: eap Date: Thu, 16 May 2013 17:08:45 +0000 Subject: [PATCH] 0022195: EDF SMESH: Mesh using existing elements. --- src/StdMeshers/StdMeshers_Import_1D2D.cxx | 86 ++++++++++++----------- 1 file changed, 46 insertions(+), 40 deletions(-) diff --git a/src/StdMeshers/StdMeshers_Import_1D2D.cxx b/src/StdMeshers/StdMeshers_Import_1D2D.cxx index 5ee09b3e0..f76bb996e 100644 --- a/src/StdMeshers/StdMeshers_Import_1D2D.cxx +++ b/src/StdMeshers/StdMeshers_Import_1D2D.cxx @@ -164,7 +164,7 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & { if ( !_sourceHyp ) return false; - const vector& srcGroups = _sourceHyp->GetGroups(); + const vector& srcGroups = _sourceHyp->GetGroups(/*loaded=*/true); if ( srcGroups.empty() ) return error("Invalid source groups"); @@ -210,6 +210,12 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & vertexNodes.push_back( SMESH_TNodeXYZ( n )); } + // get EDGESs and their ids + vector< TopoDS_Edge > edges; + for ( exp.Init( theShape, TopAbs_EDGE ); exp.More(); exp.Next() ) + if ( subShapeIDs.insert( tgtMesh->ShapeToIndex( exp.Current() )).second ) + edges.push_back( TopoDS::Edge( exp.Current() )); + // to count now many times a link between nodes encounters map linkCount; map::iterator link2Nb; @@ -247,10 +253,11 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & SMDS_MeshElement::iterator node = face->begin_nodes(); for ( size_t i = 0; i < newNodes.size(); ++i, ++node ) { - StdMeshers_Import_1D::TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first; + StdMeshers_Import_1D::TNodeNodeMap::iterator n2nIt = + n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first; if ( n2nIt->second ) { - if ( !subShapeIDs.count( n2nIt->second->getshapeId() )) + if ( !subShapeIDs.count( n2nIt->second->getshapeId() )) // node already on an EDGE break; } else @@ -290,6 +297,8 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & continue; // repeated face in source groups already created // check future face orientation + const int nbCorners = face->NbCornerNodes(); + const bool isQuad = ( nbCorners != (int) newNodes.size() ); if ( toCheckOri ) { int iNode = -1; @@ -300,10 +309,10 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & surface->D1( uv.X(),uv.Y(), p, du,dv ); geomNorm = reverse ? dv^du : du^dv; } - while ( geomNorm.SquareMagnitude() < 1e-6 && iNode+1 < face->NbCornerNodes()); + while ( geomNorm.SquareMagnitude() < 1e-6 && iNode+1 < nbCorners ); - int iNext = helper.WrapIndex( iNode+1, face->NbCornerNodes() ); - int iPrev = helper.WrapIndex( iNode-1, face->NbCornerNodes() ); + int iNext = helper.WrapIndex( iNode+1, nbCorners ); + int iPrev = helper.WrapIndex( iNode-1, nbCorners ); SMESH_TNodeXYZ prevNode( newNodes[iPrev] ); SMESH_TNodeXYZ curNode ( newNodes[iNode] ); @@ -313,40 +322,43 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & gp_Vec meshNorm = n1n2 ^ n1n0; if ( geomNorm * meshNorm < 0 ) - std::reverse( newNodes.begin(), newNodes.end() ); + SMDS_MeshCell::applyInterlace + ( SMDS_MeshCell::reverseSmdsOrder( face->GetEntityType() ), newNodes ); } // make a new face - switch ( newNodes.size() ) - { - case 3: - newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] ); - break; - case 4: - newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] ); - break; - case 6: - newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], - newNodes[3], newNodes[4], newNodes[5]); - break; - case 8: - newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3], - newNodes[4], newNodes[5], newNodes[6], newNodes[7]); - break; - default: continue; - } + if ( face->IsPoly() ) + newFace = tgtMesh->AddPolygonalFace( newNodes ); + else + switch ( newNodes.size() ) + { + case 3: + newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] ); + break; + case 4: + newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] ); + break; + case 6: + newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], + newNodes[3], newNodes[4], newNodes[5]); + break; + case 8: + newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3], + newNodes[4], newNodes[5], newNodes[6], newNodes[7]); + break; + default: continue; + } tgtMesh->SetMeshElementOnShape( newFace, shapeID ); e2e->insert( make_pair( face, newFace )); // collect links - int nbNodes = face->NbCornerNodes(); const SMDS_MeshNode* medium = 0; - for ( int i = 0; i < nbNodes; ++i ) + for ( int i = 0; i < nbCorners; ++i ) { const SMDS_MeshNode* n1 = newNodes[i]; - const SMDS_MeshNode* n2 = newNodes[ (i+1)%nbNodes ]; - if ( newFace->IsQuadratic() ) - medium = newNodes[i+nbNodes]; + const SMDS_MeshNode* n2 = newNodes[ (i+1)%nbCorners ]; + if ( isQuad ) // quadratic face + medium = newNodes[i+nbCorners]; link2Nb = linkCount.insert( make_pair( TLink( n1, n2, medium ), 0)).first; ++link2Nb->second; // if ( link2Nb->second == 1 ) @@ -366,11 +378,6 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & // check if the whole geom face is covered by imported faces // ========================================================== - vector< TopoDS_Edge > edges; - for ( exp.Init( theShape, TopAbs_EDGE ); exp.More(); exp.Next() ) - if ( subShapeIDs.insert( tgtMesh->ShapeToIndex( exp.Current() )).second ) - edges.push_back( TopoDS::Edge( exp.Current() )); - // use large tolerance for projection of nodes to edges because of // BLSURF mesher specifics (issue 0020918, Study2.hdf) const double projTol = minGroupTol; @@ -395,7 +402,7 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & for ( int is1stN = 0; is1stN < 2 && nodesOnBoundary; ++is1stN ) { const SMDS_MeshNode* n = is1stN ? link.node1() : link.node2(); - if ( !subShapeIDs.count( n->getshapeId() )) + if ( !subShapeIDs.count( n->getshapeId() )) // n is assigned to FACE { for ( size_t iE = 0; iE < edges.size(); ++iE ) if ( helper.CheckNodeU( edges[iE], n, u=0, projTol, /*force=*/true )) @@ -424,13 +431,13 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & error("free internal link"); // just for an easier debug break; } - if ( bndShapes.front().ShapeType() == TopAbs_EDGE && + if ( bndShapes.front().ShapeType() == TopAbs_EDGE && // all link nodes are on EDGEs bndShapes.front() != bndShapes.back() ) // link nodes on different geom edges return error(COMPERR_BAD_INPUT_MESH, "Source nodes mismatch target vertices"); // find geom edge the link is on - if ( bndShapes.back().ShapeType() != TopAbs_EDGE ) + if ( bndShapes.back().ShapeType() != TopAbs_EDGE ) // all link nodes are on VERTEXes { // find geom edge by two vertices TopoDS_Shape geomEdge = helper.GetCommonAncestor( bndShapes.back(), @@ -453,8 +460,7 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & if ( link._reversed ) std::swap( newNodes[0], newNodes[1] ); if ( link._medium ) { - newNodes.push_back( link._medium ); - edge = tgtMesh->AddEdge( newNodes[0], newNodes[1], newNodes[2] ); + edge = tgtMesh->AddEdge( newNodes[0], newNodes[1], link._medium ); TopoDS_Edge geomEdge = TopoDS::Edge(bndShapes.back()); helper.CheckNodeU( geomEdge, link._medium, u, projTol, /*force=*/true ); -- 2.30.2