for ( TopExp_Explorer eF( aSh, TopAbs_FACE ); eF.More(); eF.Next() )
{
const TopoDS_Face& face = TopoDS::Face( eF.Current() );
+ BRepAdaptor_Surface surf( face, false );
+ if ( surf.IsUPeriodic() || surf.IsUClosed() ) {
+ myParIndex |= U_periodic;
+ myPar1[0] = surf.FirstUParameter();
+ myPar2[0] = surf.LastUParameter();
+ }
+ if ( surf.IsVPeriodic() || surf.IsVClosed() ) {
+ myParIndex |= V_periodic;
+ myPar1[1] = surf.FirstVParameter();
+ myPar2[1] = surf.LastVParameter();
+ }
- // if ( surface->IsUPeriodic() || surface->IsVPeriodic() ||
- // surface->IsUClosed() || surface->IsVClosed() )
+ gp_Pnt2d uv1, uv2;
+ for (TopExp_Explorer exp( face, TopAbs_EDGE ); exp.More(); exp.Next())
{
- //while ( surface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface )))
- //surface = Handle(Geom_RectangularTrimmedSurface)::DownCast( surface )->BasisSurface();
-
- for (TopExp_Explorer exp( face, TopAbs_EDGE ); exp.More(); exp.Next())
+ // look for a "seam" edge, a real seam or an edge on period boundary
+ TopoDS_Edge edge = TopoDS::Edge( exp.Current() );
+ const int edgeID = meshDS->ShapeToIndex( edge );
+ if ( myParIndex )
{
- // look for a seam edge
- TopoDS_Edge edge = TopoDS::Edge( exp.Current() );
- if ( BRep_Tool::IsClosed( edge, face )) {
- // initialize myPar1, myPar2 and myParIndex
- gp_Pnt2d uv1, uv2;
- BRep_Tool::UVPoints( edge, face, uv1, uv2 );
- if ( Abs( uv1.Coord(1) - uv2.Coord(1) ) < Abs( uv1.Coord(2) - uv2.Coord(2) ))
+ BRep_Tool::UVPoints( edge, face, uv1, uv2 );
+ const double du = Abs( uv1.Coord(1) - uv2.Coord(1) );
+ const double dv = Abs( uv1.Coord(2) - uv2.Coord(2) );
+
+ bool isSeam = BRep_Tool::IsClosed( edge, face );
+ if ( isSeam ) // real seam - having two pcurves on face
+ {
+ // pcurve can lie not on pediod boundary (22582, mesh_Quadratic_01/C9)
+ if ( du < dv )
{
double u1 = uv1.Coord(1);
edge.Reverse();
BRep_Tool::UVPoints( edge, face, uv1, uv2 );
double u2 = uv1.Coord(1);
- myParIndex |= U_periodic;
myPar1[0] = Min( u1, u2 );
myPar2[0] = Max( u1, u2 );
}
- else {
+ else
+ {
double v1 = uv1.Coord(2);
edge.Reverse();
BRep_Tool::UVPoints( edge, face, uv1, uv2 );
double v2 = uv1.Coord(2);
- myParIndex |= V_periodic;
myPar1[1] = Min( v1, v2 );
myPar2[1] = Max( v1, v2 );
}
+ }
+ else //if ( !isSeam )
+ {
+ // one pcurve but on period boundary (22772, mesh_Quadratic_01/D1)
+ if (( myParIndex & U_periodic ) && du < Precision::PConfusion() )
+ {
+ isSeam = ( Abs( uv1.Coord(1) - myPar1[0] ) < Precision::PConfusion() ||
+ Abs( uv1.Coord(1) - myPar2[0] ) < Precision::PConfusion() );
+ }
+ else if (( myParIndex & V_periodic ) && dv < Precision::PConfusion() )
+ {
+ isSeam = ( Abs( uv1.Coord(2) - myPar1[1] ) < Precision::PConfusion() ||
+ Abs( uv1.Coord(2) - myPar2[1] ) < Precision::PConfusion() );
+ }
+ }
+ if ( isSeam )
+ {
// store seam shape indices, negative if shape encounters twice
- int edgeID = meshDS->ShapeToIndex( edge );
mySeamShapeIds.insert( IsSeamShape( edgeID ) ? -edgeID : edgeID );
for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() ) {
int vertexID = meshDS->ShapeToIndex( v.Current() );
mySeamShapeIds.insert( IsSeamShape( vertexID ) ? -vertexID : vertexID );
}
}
-
- // look for a degenerated edge
- if ( SMESH_Algo::isDegenerated( edge )) {
- myDegenShapeIds.insert( meshDS->ShapeToIndex( edge ));
- for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() )
- myDegenShapeIds.insert( meshDS->ShapeToIndex( v.Current() ));
- }
}
- if ( !myDegenShapeIds.empty() && !myParIndex )
+ // look for a degenerated edge
+ if ( SMESH_Algo::isDegenerated( edge )) {
+ myDegenShapeIds.insert( edgeID );
+ for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() )
+ myDegenShapeIds.insert( meshDS->ShapeToIndex( v.Current() ));
+ }
+ if ( !BRep_Tool::SameParameter( edge ) ||
+ !BRep_Tool::SameRange( edge ))
{
- BRepAdaptor_Surface surf( face, false );
- if ( surf.IsUPeriodic() || surf.IsUClosed() ) {
- myParIndex |= U_periodic;
- myPar1[0] = surf.FirstUParameter();
- myPar2[0] = surf.LastUParameter();
- }
- else if ( surf.IsVPeriodic() || surf.IsVClosed() ) {
- myParIndex |= V_periodic;
- myPar1[1] = surf.FirstVParameter();
- myPar2[1] = surf.LastVParameter();
- }
+ setPosOnShapeValidity( edgeID, false );
}
}
}
*/
//================================================================================
-void SMESH_MesherHelper::AddTLinks(const SMDS_MeshEdge* edge)
+bool SMESH_MesherHelper::AddTLinks(const SMDS_MeshEdge* edge)
{
- if ( edge->IsQuadratic() )
+ if ( edge && edge->IsQuadratic() )
AddTLinkNode(edge->GetNode(0), edge->GetNode(1), edge->GetNode(2));
+ else
+ return false;
+ return true;
}
//================================================================================
*/
//================================================================================
-void SMESH_MesherHelper::AddTLinks(const SMDS_MeshFace* f)
+bool SMESH_MesherHelper::AddTLinks(const SMDS_MeshFace* f)
{
+ bool isQuad = true;
if ( !f->IsPoly() )
switch ( f->NbNodes() ) {
case 7:
AddTLinkNode(f->GetNode(2),f->GetNode(3),f->GetNode(6));
AddTLinkNode(f->GetNode(3),f->GetNode(0),f->GetNode(7)); break;
default:;
+ isQuad = false;
}
+ return isQuad;
}
//================================================================================
*/
//================================================================================
-void SMESH_MesherHelper::AddTLinks(const SMDS_MeshVolume* volume)
+bool SMESH_MesherHelper::AddTLinks(const SMDS_MeshVolume* volume)
{
if ( volume->IsQuadratic() )
{
nFCenter ));
}
}
+ return true;
}
+ return false;
}
//================================================================================
//=======================================================================
-//function : GetUVOnSeam
+//function : getUVOnSeam
//purpose : Select UV on either of 2 pcurves of a seam edge, closest to the given UV
//=======================================================================
-gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
+gp_Pnt2d SMESH_MesherHelper::getUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
{
gp_Pnt2d result = uv1;
for ( int i = U_periodic; i <= V_periodic ; ++i )
const SMDS_PositionPtr Pos = n->GetPosition();
bool uvOK = false;
- if(Pos->GetTypeOfPosition()==SMDS_TOP_FACE)
+ if ( Pos->GetTypeOfPosition() == SMDS_TOP_FACE )
{
// node has position on face
- const SMDS_FacePosition* fpos =
- static_cast<const SMDS_FacePosition*>( Pos );
- uv.SetCoord(fpos->GetUParameter(),fpos->GetVParameter());
+ const SMDS_FacePosition* fpos = static_cast<const SMDS_FacePosition*>( Pos );
+ uv.SetCoord( fpos->GetUParameter(), fpos->GetVParameter() );
if ( check )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F )); // 2. from 22830
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_EDGE )
{
- // node has position on edge => it is needed to find
- // corresponding edge from face, get pcurve for this
- // edge and retrieve value from this pcurve
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>( Pos );
- int edgeID = n->getshapeId();
- TopoDS_Edge E = TopoDS::Edge(GetMeshDS()->IndexToShape(edgeID));
+ // node has position on EDGE => it is needed to find
+ // corresponding EDGE from FACE, get pcurve for this
+ // EDGE and retrieve value from this pcurve
+ const SMDS_EdgePosition* epos = static_cast<const SMDS_EdgePosition*>( Pos );
+ const int edgeID = n->getshapeId();
+ const TopoDS_Edge& E = TopoDS::Edge( GetMeshDS()->IndexToShape( edgeID ));
double f, l, u = epos->GetUParameter();
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
- bool validU = ( f < u && u < l );
- if ( validU )
- uv = C2d->Value( u );
- else
- uv.SetCoord( Precision::Infinite(),0.);
+ Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( E, F, f, l );
+ bool validU = ( !C2d.IsNull() && ( f < u ) && ( u < l ));
+ if ( validU ) uv = C2d->Value( u );
+ else uv.SetCoord( Precision::Infinite(),0.);
if ( check || !validU )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ),/*force=*/ !validU );
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F ),/*force=*/ !validU );
- // for a node on a seam edge select one of UVs on 2 pcurves
- if ( n2 && IsSeamShape( edgeID ) )
+ // for a node on a seam EDGE select one of UVs on 2 pcurves
+ if ( n2 && IsSeamShape( edgeID ))
{
- uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
}
else
{ // adjust uv to period
Handle(Geom_Surface) S = BRep_Tool::Surface(F,loc);
Standard_Boolean isUPeriodic = S->IsUPeriodic();
Standard_Boolean isVPeriodic = S->IsVPeriodic();
+ gp_Pnt2d newUV = uv;
if ( isUPeriodic || isVPeriodic ) {
Standard_Real UF,UL,VF,VL;
S->Bounds(UF,UL,VF,VL);
- if(isUPeriodic)
- uv.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
- if(isVPeriodic)
- uv.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
+ if ( isUPeriodic ) newUV.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
+ if ( isVPeriodic ) newUV.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
+
+ if ( n2 )
+ {
+ gp_Pnt2d uv2 = GetNodeUV( F, n2, 0, check );
+ if ( isUPeriodic && Abs( uv.X()-uv2.X() ) < Abs( newUV.X()-uv2.X() ))
+ newUV.SetX( uv.X() );
+ if ( isVPeriodic && Abs( uv.Y()-uv2.Y() ) < Abs( newUV.Y()-uv2.Y() ))
+ newUV.SetY( uv.Y() );
+ }
}
+ uv = newUV;
}
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_VERTEX)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
{
if ( int vertexID = n->getshapeId() ) {
const TopoDS_Vertex& V = TopoDS::Vertex(GetMeshDS()->IndexToShape(vertexID));
// get UV of a vertex closest to the node
double dist = 1e100;
gp_Pnt pn = XYZ( n );
- for ( TopExp_Explorer vert(F,TopAbs_VERTEX); !uvOK && vert.More(); vert.Next() ) {
+ for ( TopExp_Explorer vert( F,TopAbs_VERTEX ); !uvOK && vert.More(); vert.Next() ) {
TopoDS_Vertex curV = TopoDS::Vertex( vert.Current() );
gp_Pnt p = BRep_Tool::Pnt( curV );
double curDist = p.SquareDistance( pn );
}
}
}
- if ( n2 && IsSeamShape( vertexID ) )
- uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ if ( n2 && IsSeamShape( vertexID ))
+ {
+ bool isSeam = ( myShape.IsSame( F ));
+ if ( !isSeam ) {
+ SMESH_MesherHelper h( *myMesh );
+ h.SetSubShape( F );
+ isSeam = IsSeamShape( vertexID );
+ }
+
+ if ( isSeam )
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ }
}
}
else
{
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F ));
}
- if ( check )
+ if ( check && !uvOK )
*check = uvOK;
return uv.XY();
double distXYZ[4]) const
{
int shapeID = n->getshapeId();
- bool infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() ));
- bool zero = ( uv.X() == 0. && uv.Y() == 0. );
- if ( force || toCheckPosOnShape( shapeID ) || infinit || zero )
+ bool infinit;
+ if (( infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() ))) ||
+ ( force ) ||
+ ( uv.X() == 0. && uv.Y() == 0. ) ||
+ ( toCheckPosOnShape( shapeID )))
{
// check that uv is correct
TopLoc_Location loc;
const_cast<SMDS_MeshNode*>(n)->SetPosition
( SMDS_PositionPtr( new SMDS_FacePosition( U, V )));
}
- else if ( uv.Modulus() > numeric_limits<double>::min() )
+ else if ( myShape.IsSame(F) && uv.Modulus() > numeric_limits<double>::min() )
{
setPosOnShapeValidity( shapeID, true );
}
double distXYZ[4]) const
{
int shapeID = n->getshapeId();
- bool infinit = Precision::IsInfinite( u );
- bool zero = ( u == 0. );
- if ( force || toCheckPosOnShape( shapeID ) || infinit || zero )
+ bool infinit;
+ if (( infinit = Precision::IsInfinite( u )) ||
+ ( force ) ||
+ ( u == 0. ) ||
+ ( toCheckPosOnShape( shapeID )))
{
TopLoc_Location loc; double f,l;
Handle(Geom_Curve) curve = BRep_Tool::Curve( E,loc,f,l );
gp_Pnt nodePnt = SMESH_TNodeXYZ( n );
if ( !loc.IsIdentity() ) nodePnt.Transform( loc.Transformation().Inverted() );
gp_Pnt curvPnt;
- double dist = u;
+ double dist = 2*tol;
if ( !infinit )
{
curvPnt = curve->Value( u );
//=======================================================================
//function : GetMediumPos
//purpose : Return index and type of the shape (EDGE or FACE only) to
-// set a medium node on
+// set a medium node on
//param : useCurSubShape - if true, returns the shape set via SetSubShape()
// if any
+//param : expectedSupport - shape type corresponding to element being created,
+// e.g TopAbs_EDGE if SMDSAbs_Edge is created
+// basing on \a n1 and \a n2
+// Calling GetMediumPos() with useCurSubShape=true is OK only for the
+// case where the lower dim mesh is already constructed and converted to quadratic,
+// else, nodes on EDGEs are assigned to FACE, for example.
//=======================================================================
std::pair<int, TopAbs_ShapeEnum>
SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- const bool useCurSubShape)
+ const bool useCurSubShape,
+ TopAbs_ShapeEnum expectedSupport)
{
if ( useCurSubShape && !myShape.IsNull() )
return std::make_pair( myShapeID, myShape.ShapeType() );
shapeID = n2->getshapeId();
shape = GetSubShapeByNode( n1, GetMeshDS() );
}
- else
+ else // 2 different shapes
{
const SMDS_TypeOfPosition Pos1 = n1->GetPosition()->GetTypeOfPosition();
const SMDS_TypeOfPosition Pos2 = n2->GetPosition()->GetTypeOfPosition();
if ( Pos1 == SMDS_TOP_3DSPACE || Pos2 == SMDS_TOP_3DSPACE )
{
+ // in SOLID
}
else if ( Pos1 == SMDS_TOP_FACE || Pos2 == SMDS_TOP_FACE )
{
- if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE )
+ // in FACE or SOLID
+ if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE ) // not 2 FACEs
{
if ( Pos1 != SMDS_TOP_FACE ) std::swap( n1,n2 );
TopoDS_Shape F = GetSubShapeByNode( n1, GetMeshDS() );
shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_EDGE );
if ( shape.IsNull() ) shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_FACE );
}
- else // VERTEX and EDGE
+ else // on VERTEX and EDGE
{
if ( Pos1 != SMDS_TOP_VERTEX ) std::swap( n1,n2 );
TopoDS_Shape V = GetSubShapeByNode( n1, GetMeshDS() );
{
if ( shapeID < 1 )
shapeID = GetMeshDS()->ShapeToIndex( shape );
- shapeType = shape.ShapeType();
+ shapeType = shape.ShapeType(); // EDGE or FACE
+
+ if ( expectedSupport < shapeType &&
+ expectedSupport != TopAbs_SHAPE &&
+ !myShape.IsNull() &&
+ myShape.ShapeType() == expectedSupport )
+ {
+ // e.g. a side of triangle connects nodes on the same EDGE but does not
+ // lie on this EDGE (an arc with a coarse mesh)
+ // => shapeType == TopAbs_EDGE, expectedSupport == TopAbs_FACE;
+ // hope that myShape is a right shape, return it if the found shape
+ // has converted elements of corresponding dim (segments in our example)
+ int nbConvertedElems = 0;
+ SMDSAbs_ElementType type = ( shapeType == TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge );
+ for ( int iN = 0; iN < 2; ++iN )
+ {
+ const SMDS_MeshNode* n = iN ? n2 : n1;
+ SMDS_ElemIteratorPtr it = n->GetInverseElementIterator( type );
+ while ( it->more() )
+ {
+ const SMDS_MeshElement* elem = it->next();
+ if ( elem->getshapeId() == shapeID &&
+ elem->IsQuadratic() )
+ {
+ ++nbConvertedElems;
+ break;
+ }
+ }
+ }
+ if ( nbConvertedElems == 2 )
+ {
+ shapeType = myShape.ShapeType();
+ shapeID = myShapeID;
+ }
+ }
}
return make_pair( shapeID, shapeType );
}
}
else
{
- PShapeIteratorPtr it = GetAncestors(shape, *GetMesh(), TopAbs_FACE );
+ PShapeIteratorPtr it = GetAncestors( shape, *GetMesh(), TopAbs_FACE );
while ( const TopoDS_Shape* face = it->next() )
{
faceID = meshDS->ShapeToIndex( *face );
- itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 ) ).first;
+ itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 )).first;
itMapWithIdFace->second++;
}
}
TopoDS_Face F;
gp_XY uvAvg;
- bool badTria=false;
if ( shapeType == TopAbs_FACE )
{
F = TopoDS::Face( meshDS->IndexToShape( faceID ));
- bool check;
- gp_XY uv1 = GetNodeUV( F, n1, n23, &check );
- gp_XY uv2 = GetNodeUV( F, n2, n31, &check );
- gp_XY uv3 = GetNodeUV( F, n3, n12, &check );
- gp_XY uv12 = GetNodeUV( F, n12, n3, &check );
- gp_XY uv23 = GetNodeUV( F, n23, n1, &check );
- gp_XY uv31 = GetNodeUV( F, n31, n2, &check );
+ bool checkOK = true, badTria = false;
+ gp_XY uv1 = GetNodeUV( F, n1, n23, &checkOK );
+ gp_XY uv2 = GetNodeUV( F, n2, n31, &checkOK );
+ gp_XY uv3 = GetNodeUV( F, n3, n12, &checkOK );
+ gp_XY uv12 = GetNodeUV( F, n12, n3, &checkOK );
+ gp_XY uv23 = GetNodeUV( F, n23, n1, &checkOK );
+ gp_XY uv31 = GetNodeUV( F, n31, n2, &checkOK );
uvAvg = GetCenterUV( uv1,uv2,uv3, uv12,uv23,uv31, &badTria );
- if ( badTria )
- force3d = false;
+ if ( badTria || !checkOK )
+ force3d = true;
}
// Create a central node
const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- bool force3d)
+ bool force3d,
+ TopAbs_ShapeEnum expectedSupport)
{
// Find existing node
int faceID = -1, edgeID = -1;
TopoDS_Edge E; double u [2];
TopoDS_Face F; gp_XY uv[2];
- bool uvOK[2] = { false, false };
+ bool uvOK[2] = { true, true };
+ const bool useCurSubShape = ( !myShape.IsNull() && myShape.ShapeType() == TopAbs_EDGE );
- pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, mySetElemOnShape );
- // calling GetMediumPos() with useCurSubShape=mySetElemOnShape is OK only for the
- // case where the lower dim mesh is already constructed, else, nodes on EDGEs are
- // assigned to FACE, for example.
+ pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, useCurSubShape, expectedSupport );
// get positions of the given nodes on shapes
if ( pos.second == TopAbs_FACE )
elem = meshDS->AddFace(n1, n2, n3);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_FACE );
if(myCreateBiQuadratic)
{
const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n12, n23, n31, force3d);
elem = meshDS->AddFace(n1, n2, n3, n4);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_FACE );
if(myCreateBiQuadratic)
{
const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n4, n12, n23, n34, n41, force3d);
{
const SMDS_MeshNode* n1 = nodes[i];
const SMDS_MeshNode* n2 = nodes[(i+1)%nodes.size()];
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
newNodes.push_back( n1 );
newNodes.push_back( n12 );
}
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d);
- const SMDS_MeshNode* n56 = GetMediumNode(n5,n6,force3d);
- const SMDS_MeshNode* n64 = GetMediumNode(n6,n4,force3d);
+ const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n64 = GetMediumNode( n6, n4, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d);
- const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d);
- const SMDS_MeshNode* n36 = GetMediumNode(n3,n6,force3d);
+ const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n36 = GetMediumNode( n3, n6, force3d, TopAbs_SOLID );
if(id)
- elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6,
+ elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6,
n12, n23, n31, n45, n56, n64, n14, n25, n36, id);
else
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
- const int id,
+ const int id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
elem = meshDS->AddVolume(n1, n2, n3, n4);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d);
- const SMDS_MeshNode* n24 = GetMediumNode(n2,n4,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
+ const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n24 = GetMediumNode( n2, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
if(id)
elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n12, n23, n31, n14, n24, n34, id);
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
const SMDS_MeshNode* n5,
- const int id,
+ const int id,
const bool force3d)
{
SMDS_MeshVolume* elem = 0;
elem = GetMeshDS()->AddVolume(n1, n2, n3, n4, n5);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d);
- const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d);
- const SMDS_MeshNode* n35 = GetMediumNode(n3,n5,force3d);
- const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d);
+ const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n35 = GetMediumNode( n3, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID );
if(id)
elem = GetMeshDS()->AddVolumeWithID ( n1, n2, n3, n4, n5,
//=======================================================================
//function : AddVolume
-//purpose : Creates bi-quadratic, quadratic or linear hexahedron
+//purpose : Creates tri-quadratic, quadratic or linear hexahedron
//=======================================================================
SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1,
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, n7, n8);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
-
- const SMDS_MeshNode* n56 = GetMediumNode(n5,n6,force3d);
- const SMDS_MeshNode* n67 = GetMediumNode(n6,n7,force3d);
- const SMDS_MeshNode* n78 = GetMediumNode(n7,n8,force3d);
- const SMDS_MeshNode* n85 = GetMediumNode(n8,n5,force3d);
-
- const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d);
- const SMDS_MeshNode* n26 = GetMediumNode(n2,n6,force3d);
- const SMDS_MeshNode* n37 = GetMediumNode(n3,n7,force3d);
- const SMDS_MeshNode* n48 = GetMediumNode(n4,n8,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID );
+
+ const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n67 = GetMediumNode( n6, n7, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n78 = GetMediumNode( n7, n8, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n85 = GetMediumNode( n8, n5, force3d, TopAbs_SOLID );
+
+ const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n26 = GetMediumNode( n2, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n37 = GetMediumNode( n3, n7, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n48 = GetMediumNode( n4, n8, force3d, TopAbs_SOLID );
if(myCreateBiQuadratic)
{
- const SMDS_MeshNode* n1234 = GetCentralNode(n1,n2,n3,n4,n12,n23,n34,n41,force3d);
- const SMDS_MeshNode* n1256 = GetCentralNode(n1,n2,n5,n6,n12,n26,n56,n15,force3d);
- const SMDS_MeshNode* n2367 = GetCentralNode(n2,n3,n6,n7,n23,n37,n67,n26,force3d);
- const SMDS_MeshNode* n3478 = GetCentralNode(n3,n4,n7,n8,n34,n48,n78,n37,force3d);
- const SMDS_MeshNode* n1458 = GetCentralNode(n1,n4,n5,n8,n41,n48,n15,n85,force3d);
- const SMDS_MeshNode* n5678 = GetCentralNode(n5,n6,n7,n8,n56,n67,n78,n85,force3d);
+ const SMDS_MeshNode* n1234 = GetCentralNode( n1,n2,n3,n4,n12,n23,n34,n41,force3d );
+ const SMDS_MeshNode* n1256 = GetCentralNode( n1,n2,n5,n6,n12,n26,n56,n15,force3d );
+ const SMDS_MeshNode* n2367 = GetCentralNode( n2,n3,n6,n7,n23,n37,n67,n26,force3d );
+ const SMDS_MeshNode* n3478 = GetCentralNode( n3,n4,n7,n8,n34,n48,n78,n37,force3d );
+ const SMDS_MeshNode* n1458 = GetCentralNode( n1,n4,n5,n8,n41,n48,n15,n85,force3d );
+ const SMDS_MeshNode* n5678 = GetCentralNode( n5,n6,n7,n8,n56,n67,n78,n85,force3d );
vector<gp_XYZ> pointsOnShapes( SMESH_Block::ID_Shell );
pointsOnShapes[ SMESH_Block::ID_Ex11 ] = SMESH_TNodeXYZ( n78 );
pointsOnShapes[ SMESH_Block::ID_E0y1 ] = SMESH_TNodeXYZ( n12 );
pointsOnShapes[ SMESH_Block::ID_E1y1 ] = SMESH_TNodeXYZ( n56 );
- pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 );
- pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 );
- pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 );
+ pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 );
+ pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 );
+ pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 );
pointsOnShapes[ SMESH_Block::ID_E11z ] = SMESH_TNodeXYZ( n67 );
pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = SMESH_TNodeXYZ( n3478 );
// if ( n1->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE &&
// n2->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE )
{
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
newNodes.push_back( n12 );
newQuantities.back()++;
}
for ( int iE = 0; edge != theBaseSide.end(); ++edge, ++iE )
{
map< double, const SMDS_MeshNode*> sortedBaseNN;
- SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN);
+ SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN );
+
+ map< double, const SMDS_MeshNode*>::iterator u_n;
+ // pb with mesh_Projection_2D_00/A1 fixed by adding expectedSupport arg to GetMediumPos()
+ // so the following solution is commented (hope forever :)
+ //
+ // SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN,
+ // // SMDSAbs_Edge here is needed to be coherent with
+ // // StdMeshers_FaceSide used by Quadrangle to get nodes
+ // // on EDGE; else pb in mesh_Projection_2D_00/A1 where a
+ // // medium node on EDGE is medium in a triangle but not
+ // // in a segment
+ // SMDSAbs_Edge );
+ // if ( faceSubMesh->GetElements()->next()->IsQuadratic() )
+ // // filter off nodes medium in faces on theFace (same pb with mesh_Projection_2D_00/A1)
+ // for ( u_n = sortedBaseNN.begin(); u_n != sortedBaseNN.end() ; )
+ // {
+ // const SMDS_MeshNode* node = u_n->second;
+ // SMDS_ElemIteratorPtr faceIt = node->GetInverseElementIterator( SMDSAbs_Face );
+ // if ( faceIt->more() && node ) {
+ // const SMDS_MeshElement* face = faceIt->next();
+ // if ( faceSubMesh->Contains( face ) && face->IsMediumNode( node ))
+ // node = 0;
+ // }
+ // if ( !node )
+ // sortedBaseNN.erase( u_n++ );
+ // else
+ // ++u_n;
+ // }
if ( sortedBaseNN.empty() ) continue;
- map< double, const SMDS_MeshNode*>::iterator u_n = sortedBaseNN.begin();
+ u_n = sortedBaseNN.begin();
if ( theProxyMesh ) // from sortedBaseNN remove nodes not shared by faces of faceSubMesh
{
const SMDS_MeshNode* n1 = (++sortedBaseNN.begin())->second;
//=======================================================================
//function : IsStructured
-//purpose : Return true if 2D mesh on FACE is structured
+//purpose : Return true if 2D mesh on FACE is a structured rectangle
//=======================================================================
bool SMESH_MesherHelper::IsStructured( SMESH_subMesh* faceSM )
return true;
}
+//=======================================================================
+//function : IsDistorted2D
+//purpose : Return true if 2D mesh on FACE is ditorted
+//=======================================================================
+
+bool SMESH_MesherHelper::IsDistorted2D( SMESH_subMesh* faceSM,
+ bool checkUV)
+{
+ if ( !faceSM || faceSM->GetSubShape().ShapeType() != TopAbs_FACE )
+ return false;
+
+ bool haveBadFaces = false;
+
+ SMESH_MesherHelper helper( *faceSM->GetFather() );
+ helper.SetSubShape( faceSM->GetSubShape() );
+
+ const TopoDS_Face& F = TopoDS::Face( faceSM->GetSubShape() );
+ SMESHDS_SubMesh* smDS = helper.GetMeshDS()->MeshElements( F );
+ if ( !smDS || smDS->NbElements() == 0 ) return false;
+
+ SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
+ double prevArea = 0;
+ vector< const SMDS_MeshNode* > nodes;
+ vector< gp_XY > uv;
+ bool* toCheckUV = checkUV ? & checkUV : 0;
+ while ( faceIt->more() && !haveBadFaces )
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+
+ // get nodes
+ nodes.resize( face->NbCornerNodes() );
+ SMDS_MeshElement::iterator n = face->begin_nodes();
+ for ( size_t i = 0; i < nodes.size(); ++n, ++i )
+ nodes[ i ] = *n;
+
+ // avoid elems on degenarate shapes as UV on them can be wrong
+ if ( helper.HasDegeneratedEdges() )
+ {
+ bool isOnDegen = false;
+ for ( size_t i = 0; ( i < nodes.size() && !isOnDegen ); ++i )
+ isOnDegen = helper.IsDegenShape( nodes[ i ]->getshapeId() );
+ if ( isOnDegen )
+ continue;
+ }
+ // prepare to getting UVs
+ const SMDS_MeshNode* inFaceNode = 0;
+ if ( helper.HasSeam() ) {
+ for ( size_t i = 0; ( i < nodes.size() && !inFaceNode ); ++i )
+ if ( !helper.IsSeamShape( nodes[ i ]->getshapeId() ))
+ inFaceNode = nodes[ i ];
+ if ( !inFaceNode )
+ continue;
+ }
+ // get UVs
+ uv.resize( nodes.size() );
+ for ( size_t i = 0; i < nodes.size(); ++i )
+ uv[ i ] = helper.GetNodeUV( F, nodes[ i ], inFaceNode, toCheckUV );
+
+ // compare orientation of triangles
+ double faceArea = 0;
+ for ( int iT = 0, nbT = nodes.size()-2; iT < nbT; ++iT )
+ {
+ gp_XY v1 = uv[ iT+1 ] - uv[ 0 ];
+ gp_XY v2 = uv[ iT+2 ] - uv[ 0 ];
+ faceArea += v2 ^ v1;
+ }
+ haveBadFaces = ( faceArea * prevArea < 0 );
+ prevArea = faceArea;
+ }
+
+ return haveBadFaces;
+}
+
//================================================================================
/*!
* \brief Find out elements orientation on a geometrical face
(shape.ShapeType() == TopAbs_COMPOUND && aMesh->GetMeshDS()->IsGroupOfSubShapes( shape ));
}
+//=======================================================================
+//function : IsBlock
+//purpose :
+//=======================================================================
+
+bool SMESH_MesherHelper::IsBlock( const TopoDS_Shape& shape )
+{
+ if ( shape.IsNull() )
+ return false;
+
+ TopoDS_Shell shell;
+ TopExp_Explorer exp( shape, TopAbs_SHELL );
+ if ( !exp.More() ) return false;
+ shell = TopoDS::Shell( exp.Current() );
+ if ( exp.Next(), exp.More() ) return false;
+
+ TopoDS_Vertex v;
+ TopTools_IndexedMapOfOrientedShape map;
+ return SMESH_Block::FindBlockShapes( shell, v, v, map );
+}
+
+
//================================================================================
/*!
* \brief Return maximal tolerance of shape
return tol;
}
+//================================================================================
+/*!
+ * \brief Return MaxTolerance( face ), probably cached
+ */
+//================================================================================
+
+double SMESH_MesherHelper::getFaceMaxTol( const TopoDS_Shape& face ) const
+{
+ int faceID = GetMeshDS()->ShapeToIndex( face );
+
+ SMESH_MesherHelper* me = const_cast< SMESH_MesherHelper* >( this );
+ double & tol = me->myFaceMaxTol.insert( make_pair( faceID, -1. )).first->second;
+ if ( tol < 0 )
+ tol = MaxTolerance( face );
+
+ return tol;
+}
+
//================================================================================
/*!
* \brief Return an angle between two EDGEs sharing a common VERTEX with reference
continue;
gp_XYZ edgeDir = SMESH_TNodeXYZ( nOnEdge[0] ) - SMESH_TNodeXYZ( nOnEdge[1] );
gp_XYZ edgeNorm = faceNorm ^ edgeDir;
- n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true );
+ n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create
gp_XYZ pN0 = SMESH_TNodeXYZ( nOnEdge[0] );
gp_XYZ pMedium = SMESH_TNodeXYZ( n ); // on-edge node location
gp_XYZ pFaceN = SMESH_TNodeXYZ( nOnFace ); // on-face node location
// 3. Compute displacement of medium nodes
// ---------------------------------------
+ SMESH_MesherHelper faceHlp(*myMesh);
+
// two loops on QFaces: the first is to treat boundary links, the second is for internal ones.
TopLoc_Location loc;
bool checkUV;
TopoDS_Face face;
if ( !isInside )
{
- // compute node displacement of end links of chain in parametric space of face
+ // compute node displacement of end links of chain in parametric space of FACE
TChainLink& linkOnFace = *(++chain.begin());
const SMDS_MeshNode* nodeOnFace = linkOnFace->_mediumNode;
TopoDS_Shape f = GetSubShapeByNode( nodeOnFace, GetMeshDS() );
if ( !f.IsNull() && f.ShapeType() == TopAbs_FACE )
{
face = TopoDS::Face( f );
+ faceHlp.SetSubShape( face );
Handle(Geom_Surface) surf = BRep_Tool::Surface(face,loc);
bool isStraight[2];
for ( int is1 = 0; is1 < 2; ++is1 ) // move0 or move1
{
TChainLink& link = is1 ? chain.back() : chain.front();
- gp_XY uvm = GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV);
- gp_XY uv1 = GetNodeUV( face, link->node1(), nodeOnFace, &checkUV);
- gp_XY uv2 = GetNodeUV( face, link->node2(), nodeOnFace, &checkUV);
- gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
+ gp_XY uvm = faceHlp.GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, link->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, link->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
// uvMove = uvm - uv12
gp_XY uvMove = applyIn2D(surf, uvm, uv12, gp_XY_Subtracted, /*inPeriod=*/false);
( is1 ? move1 : move0 ).SetCoord( uvMove.X(), uvMove.Y(), 0 );
}
// check if a chain is already fixed
- gp_XY uvm = GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV);
- gp_XY uv1 = GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV);
- gp_XY uv2 = GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV);
- gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
+ gp_XY uvm = faceHlp.GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
if (( uvm - uv12 ).SquareModulus() > 1e-10 )
{
MSG("Already fixed - ignore");
else {
// compute 3D displacement by 2D one
Handle(Geom_Surface) s = BRep_Tool::Surface(face,loc);
- gp_XY oldUV = GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV);
- gp_XY newUV = applyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added);
+ gp_XY oldUV = faceHlp.GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV );
+ gp_XY newUV = applyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added );
gp_Pnt newPnt = s->Value( newUV.X(), newUV.Y());
move = gp_Vec( XYZ((*link1)->_mediumNode), newPnt.Transformed(loc) );
if ( SMDS_FacePosition* nPos =
if ( (XYZ((*link1)->node1()) - XYZ((*link1)->node2())).SquareModulus() <
move.SquareMagnitude())
{
- gp_XY uv0 = GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV);
- gp_XY uv2 = GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV);
+ gp_XY uv0 = faceHlp.GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV );
MSG( "TOO LONG MOVE \t" <<
"uv0: "<<uv0.X()<<", "<<uv0.Y()<<" \t" <<
"uv2: "<<uv2.X()<<", "<<uv2.Y()<<" \t" <<
// nodes
nodes.assign( tria->begin_nodes(), tria->end_nodes() );
// UV
+ bool uvOK = true, badTria;
for ( int i = 0; i < 6; ++i )
{
- uv[ i ] = GetNodeUV( F, nodes[i], nodes[(i+1)%3], &checkUV );
+ uv[ i ] = GetNodeUV( F, nodes[i], nodes[(i+1)%3], &uvOK );
// as this method is used after mesh generation, UV of nodes is not
// updated according to bending links, so we update
if ( nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
// move the central node
- gp_XY uvCent = GetCenterUV( uv[0], uv[1], uv[2], uv[3], uv[4], uv[5] );
- gp_Pnt p = surf->Value( uvCent.X(), uvCent.Y() ).Transformed( loc );
+ gp_Pnt p;
+ if ( !uvOK || badTria )
+ {
+ p = ( SMESH_TNodeXYZ( nodes[3] ) +
+ SMESH_TNodeXYZ( nodes[4] ) +
+ SMESH_TNodeXYZ( nodes[5] )) / 3;
+ }
+ else
+ {
+ gp_XY uvCent = GetCenterUV( uv[0], uv[1], uv[2], uv[3], uv[4], uv[5], &badTria );
+ p = surf->Value( uvCent.X(), uvCent.Y() ).Transformed( loc );
+ }
GetMeshDS()->MoveNode( tria->GetNode(6), p.X(), p.Y(), p.Z() );
}
}
