From 374031c17eaff49e84ed4d627f17e1d4c57a41e0 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Wed, 27 Jan 2021 16:48:04 +0300
Subject: [PATCH] bos #20640 EDF 22800 - Adding 3D

---
 src/SMESHUtils/SMESH_MeshAlgos.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/SMESHUtils/SMESH_MeshAlgos.cxx b/src/SMESHUtils/SMESH_MeshAlgos.cxx
index 3bc48ff24..7a4a0a481 100644
--- a/src/SMESHUtils/SMESH_MeshAlgos.cxx
+++ b/src/SMESHUtils/SMESH_MeshAlgos.cxx
@@ -688,6 +688,9 @@ bool SMESH_ElementSearcherImpl::getIntersParamOnLine(const gp_Lin&           lin
     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;