From dc681ba6320109643467674754799f5d38fe4d21 Mon Sep 17 00:00:00 2001 From: eap Date: Thu, 26 Dec 2013 15:11:35 +0000 Subject: [PATCH] 22368: EDF SMESH: Pattern mapping to assign new nodes to sub-shapes --- src/SMESH/SMESH_Pattern.cxx | 154 +++++++++++++++++--- src/SMESH/SMESH_Pattern.hxx | 2 +- src/StdMeshers/StdMeshers_Projection_2D.cxx | 4 +- 3 files changed, 133 insertions(+), 27 deletions(-) diff --git a/src/SMESH/SMESH_Pattern.cxx b/src/SMESH/SMESH_Pattern.cxx index 63e6f365f..5d0f5e536 100644 --- a/src/SMESH/SMESH_Pattern.cxx +++ b/src/SMESH/SMESH_Pattern.cxx @@ -2641,10 +2641,10 @@ bool SMESH_Pattern::Apply (const SMDS_MeshFace* theFace, list< const SMDS_MeshNode* > nodes; list< const SMDS_MeshNode* >::iterator n = nodes.end(); - SMDS_ElemIteratorPtr noIt = theFace->nodesIterator(); + SMDS_NodeIteratorPtr noIt = theFace->nodeIterator(); int iSub = 0; while ( noIt->more() && iSub < nbFaceNodes ) { - const SMDS_MeshNode* node = smdsNode( noIt->next() ); + const SMDS_MeshNode* node = noIt->next(); nodes.push_back( node ); if ( iSub++ == theNodeIndexOnKeyPoint1 ) n = --nodes.end(); @@ -2661,7 +2661,7 @@ bool SMESH_Pattern::Apply (const SMDS_MeshFace* theFace, list< gp_XYZ > xyzList; myOrderedNodes.resize( nbFaceNodes ); for ( iSub = 0, n = nodes.begin(); n != nodes.end(); ++n ) { - xyzList.push_back( gp_XYZ( (*n)->X(), (*n)->Y(), (*n)->Z() )); + xyzList.push_back( SMESH_TNodeXYZ( *n )); myOrderedNodes[ iSub++] = *n; } @@ -2963,11 +2963,6 @@ bool SMESH_Pattern::Apply (SMESH_Mesh* theMesh, myXYZ.resize( myPoints.size() * theFaces.size(), undefinedXYZ() ); myElements.reserve( theFaces.size() ); - // to find point index - map< TPoint*, int > pointIndex; - for ( int i = 0; i < myPoints.size(); i++ ) - pointIndex.insert( make_pair( & myPoints[ i ], i )); - int ind1 = 0; // lowest point index for a face // meshed geometry @@ -3019,7 +3014,7 @@ bool SMESH_Pattern::Apply (SMESH_Mesh* theMesh, { list< TPoint* > & linkPoints = getShapePoints( eID++ ); const SMDS_MeshNode* n1 = myOrderedNodes[ i ]; - const SMDS_MeshNode* n2 = myOrderedNodes[ i + 1 == nbNodes ? 0 : i + 1 ]; + const SMDS_MeshNode* n2 = myOrderedNodes[( i+1 ) % nbNodes ]; // make a link and a node set TNodeSet linkSet, node1Set; linkSet.insert( n1 ); @@ -3028,7 +3023,7 @@ bool SMESH_Pattern::Apply (SMESH_Mesh* theMesh, list< TPoint* >::iterator p = linkPoints.begin(); { // map the first link point to n1 - int nId = pointIndex[ *p ] + ind1; + int nId = ( *p - &myPoints[0] ) + ind1; myXYZIdToNodeMap[ nId ] = n1; list< list< int > >& groups = myIdsOnBoundary[ node1Set ]; groups.push_back(list< int > ()); @@ -3040,7 +3035,7 @@ bool SMESH_Pattern::Apply (SMESH_Mesh* theMesh, list< int >& indList = groups.back(); // add points to the map excluding the end points for ( p++; *p != linkPoints.back(); p++ ) - indList.push_back( pointIndex[ *p ] + ind1 ); + indList.push_back( ( *p - &myPoints[0] ) + ind1 ); } ind1 += myPoints.size(); } @@ -3443,7 +3438,7 @@ void SMESH_Pattern::mergePoints (const bool uniteGroups) Bnd_Box box; TNodeSet::const_iterator n = nodes.begin(); for ( ; n != nodes.end(); ++n ) - box.Add( gp_Pnt( (*n)->X(), (*n)->Y(), (*n)->Z() )); + box.Add( gp_Pnt( SMESH_TNodeXYZ( *n ))); double x, y, z, X, Y, Z; box.Get( x, y, z, X, Y, Z ); gp_Pnt p( x, y, z ), P( X, Y, Z ); @@ -3454,7 +3449,7 @@ void SMESH_Pattern::mergePoints (const bool uniteGroups) bool unite = ( uniteGroups && nodes.size() == 2 ); map< double, int > distIndMap; const SMDS_MeshNode* node = *nodes.begin(); - gp_Pnt P( node->X(), node->Y(), node->Z() ); + gp_Pnt P = SMESH_TNodeXYZ( node ); // compare points, replace indices @@ -3928,32 +3923,142 @@ bool SMESH_Pattern::MakeMesh(SMESH_Mesh* theMesh, myXYZ[ i ].Y(), myXYZ[ i ].Z()); } - } + if ( theMesh->HasShapeToMesh() ) + { + // set nodes on EDGEs (IMP 22368) + SMESH_MesherHelper helper( *theMesh ); + helper.ToFixNodeParameters( true ); + map< TNodeSet, list< list< int > > >::iterator idListIt = myIdsOnBoundary.begin(); + for ( ; idListIt != myIdsOnBoundary.end(); idListIt++ ) + { + list >& groups = idListIt->second; + const TNodeSet& nodes = idListIt->first; + if ( nodes.size() != 2 ) + continue; // not a link + const SMDS_MeshNode* n1 = *nodes.begin(); + const SMDS_MeshNode* n2 = *nodes.rbegin(); + TopoDS_Shape S1 = helper.GetSubShapeByNode( n1, aMeshDS ); + TopoDS_Shape S2 = helper.GetSubShapeByNode( n2, aMeshDS ); + if ( S1.IsNull() || S1.ShapeType() < TopAbs_EDGE || + S2.IsNull() || S2.ShapeType() < TopAbs_EDGE ) + continue; + TopoDS_Shape S; + if ( S1.ShapeType() == TopAbs_EDGE ) + { + if ( S1 == S2 || helper.IsSubShape( S2, S1 )) + S = S1; + } + else if ( S2.ShapeType() == TopAbs_EDGE ) + { + if ( helper.IsSubShape( S1, S2 )) + S = S2; + } + else + { + S = helper.GetCommonAncestor( S1, S2, *theMesh, TopAbs_EDGE ); + } + if ( S.IsNull() ) + continue; + const TopoDS_Edge & E = TopoDS::Edge( S ); + helper.SetSubShape( E ); + list >::iterator g = groups.begin(); + for ( ; g != groups.end(); ++g ) + { + list< int >& ids = *g; + list< int >::iterator id = ids.begin(); + for ( ; id != ids.end(); ++id ) + if ( nodesVector[ *id ] && nodesVector[ *id ]->getshapeId() < 1 ) + { + double u = 1e100; + aMeshDS->SetNodeOnEdge( nodesVector[ *id ], E, u ); + helper.CheckNodeU( E, nodesVector[ *id ], u, 1e-7, true ); + } + } + } + } + } // if ( onMeshElements ) + else { nodesVector.resize( myPoints.size(), 0 ); - // to find point index - map< TPoint*, int > pointIndex; - for ( int i = 0; i < myPoints.size(); i++ ) - pointIndex.insert( make_pair( & myPoints[ i ], i )); + // find existing nodes on EDGEs and VERTEXes (IMP 22368) + map< int, list< TPoint* > >::iterator idPointIt = myShapeIDToPointsMap.begin(); + if ( !myShapeIDMap.IsEmpty() && aMeshDS->NbNodes() > 0 ) + + for ( ; idPointIt != myShapeIDToPointsMap.end(); idPointIt++ ) + { + const TopoDS_Shape& S = myShapeIDMap( idPointIt->first ); + list< TPoint* > & points = idPointIt->second; + if ( points.empty() ) + continue; + + switch ( S.ShapeType() ) + { + case TopAbs_VERTEX: + { + int pIndex = points.back() - &myPoints[0]; + if ( !nodesVector[ pIndex ] ) + nodesVector[ pIndex ] = SMESH_Algo::VertexNode( TopoDS::Vertex( S ), aMeshDS ); + break; + } + case TopAbs_EDGE: + { + const TopoDS_Edge& edge = TopoDS::Edge( S ); + map< double, const SMDS_MeshNode* > paramsOfNodes; + if ( !SMESH_Algo::GetSortedNodesOnEdge( aMeshDS, edge, + /*ignoreMediumNodes=*/false, + paramsOfNodes ) + || paramsOfNodes.size() < 3 ) + break; + // points on VERTEXes are included with wrong myU + list< TPoint* >::reverse_iterator pItR = ++points.rbegin(); + list< TPoint* >::iterator pItF = ++points.begin(); + const bool isForward = ( (*pItF)->myU < (*pItR)->myU ); + map< double, const SMDS_MeshNode* >::iterator u2n = ++paramsOfNodes.begin(); + map< double, const SMDS_MeshNode* >::iterator u2nEnd = --paramsOfNodes.end(); + TPoint* p; + while ( u2n != u2nEnd && pItF != points.end() ) + { + const double u = u2n->first; + const SMDS_MeshNode* n = u2n->second; + const double tol = ( (++u2n)->first - u ) / 20; + do + { + p = ( isForward ? *pItF : *pItR ); + if ( Abs( u - p->myU ) < tol ) + { + int pIndex = p - &myPoints[0]; + if ( !nodesVector [ pIndex ] ) + nodesVector [ pIndex ] = n; + ++pItF; + ++pItR; + break; + } + } + while ( p->myU < u && ( ++pItF, ++pItR != points.rend() )); + } + break; + } + default:; + } + } // end of "find existing nodes on EDGEs and VERTEXes" // loop on sub-shapes of myShape: create nodes - map< int, list< TPoint* > >::iterator idPointIt = myShapeIDToPointsMap.begin(); + idPointIt = myShapeIDToPointsMap.begin(); for ( ; idPointIt != myShapeIDToPointsMap.end(); idPointIt++ ) { TopoDS_Shape S; - //SMESHDS_SubMesh * subMeshDS = 0; if ( !myShapeIDMap.IsEmpty() ) { S = myShapeIDMap( idPointIt->first ); - //subMeshDS = aMeshDS->MeshElements( S ); } list< TPoint* > & points = idPointIt->second; list< TPoint* >::iterator pIt = points.begin(); for ( ; pIt != points.end(); pIt++ ) { TPoint* point = *pIt; - int pIndex = pointIndex[ point ]; + //int pIndex = pointIndex[ point ]; + int pIndex = point - &myPoints[0]; if ( nodesVector [ pIndex ] ) continue; SMDS_MeshNode* node = aMeshDS->AddNode (point->myXYZ.X(), @@ -4148,8 +4253,9 @@ void SMESH_Pattern::createElements(SMESH_Mesh* theMes SMDS_ElemIteratorPtr noIt = elem->nodesIterator(); while ( noIt->more() ) { SMDS_MeshNode* node = const_cast(smdsNode( noIt->next() )); - if (!node->getshapeId() && - shellNodes.find( node ) == shellNodes.end() ) { + if ( node->getshapeId() < 1 && + shellNodes.find( node ) == shellNodes.end() ) + { if ( S.ShapeType() == TopAbs_FACE ) aMeshDS->SetNodeOnFace( node, shapeID, Precision::Infinite(),// <- it's a sign that UV is not set diff --git a/src/SMESH/SMESH_Pattern.hxx b/src/SMESH/SMESH_Pattern.hxx index b2606e463..b57624c2d 100644 --- a/src/SMESH/SMESH_Pattern.hxx +++ b/src/SMESH/SMESH_Pattern.hxx @@ -356,7 +356,7 @@ private: // all functions assure that shapes are indexed so that first go // ordered vertices, then ordered edge, then faces and maybe a shell TopTools_IndexedMapOfOrientedShape myShapeIDMap; - std::map< int, std::list< TPoint* > > myShapeIDToPointsMap; + std::map< int, std::list< TPoint*> > myShapeIDToPointsMap; // for the 2d case: // nb of key-points in each of pattern boundaries diff --git a/src/StdMeshers/StdMeshers_Projection_2D.cxx b/src/StdMeshers/StdMeshers_Projection_2D.cxx index 6bb6adc1f..96570ecdd 100644 --- a/src/StdMeshers/StdMeshers_Projection_2D.cxx +++ b/src/StdMeshers/StdMeshers_Projection_2D.cxx @@ -1018,9 +1018,9 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& map< double, const SMDS_MeshNode* >::iterator u_oldNode, u_newNode, u_newOnSeam, newEnd; set< const SMDS_MeshNode* > seamNodes; - // mapper puts on a seam edge nodes from 2 edges + // mapper changed, no more "mapper puts on a seam edge nodes from 2 edges" if ( isSeam && ! getBoundaryNodes ( sm, tgtFace, u2nodesOnSeam, seamNodes )) - RETURN_BAD_RESULT("getBoundaryNodes() failed"); + ;//RETURN_BAD_RESULT("getBoundaryNodes() failed"); SMDS_NodeIteratorPtr nIt = smDS->GetNodes(); while ( nIt->more() ) -- 2.39.2