From 47514a428f093ddcf9d2fb0c5e0bda47d042b8d6 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Fri, 18 Oct 2019 21:21:27 +0300
Subject: [PATCH] #17871 [CEA 17868] Import 1D 2D threshold value

---
 src/StdMeshers/StdMeshers_Import_1D2D.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/StdMeshers/StdMeshers_Import_1D2D.cxx b/src/StdMeshers/StdMeshers_Import_1D2D.cxx
index b74b8bfe5..45129db02 100644
--- a/src/StdMeshers/StdMeshers_Import_1D2D.cxx
+++ b/src/StdMeshers/StdMeshers_Import_1D2D.cxx
@@ -307,10 +307,12 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape &
     const double groupTol = 0.5 * sqrt( getMinElemSize2( srcGroup ));
     minGroupTol = std::min( groupTol, minGroupTol );
 
+    // clsfTol is 3D tolerance
     //GeomAdaptor_Surface S( surface );
     // const double clsfTol = Min( S.UResolution( 0.1 * groupTol ), -- issue 0023092
     //                             S.VResolution( 0.1 * groupTol ));
-    const double clsfTol = BRep_Tool::Tolerance( geomFace );
+    // another idea: try to use max tol of all edges
+    const double clsfTol = 10 * BRep_Tool::Tolerance( geomFace ); // 0.1 * groupTol;
 
     if ( helper.HasSeam() )
       onEdgeClassifier.SetMesh( srcMesh->GetMeshDS() );