-// Copyright (C) 2007-2020 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021 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
GC_MakeSegment edge( SMESH_TNodeXYZ( face->GetNode( i )),
SMESH_TNodeXYZ( face->GetNode( (i+1)%nbNodes) ));
anExtCC.Init( lineCurve, edge.Value() );
+ if ( !anExtCC.Extrema().IsDone() ||
+ anExtCC.Extrema().IsParallel() )
+ continue;
if ( anExtCC.NbExtrema() > 0 && anExtCC.LowerDistance() <= tol)
{
Standard_Real pl, pe;