From 37d3fe3ec785dbaef684a28fd14d992e15e58dd8 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Thu, 4 Oct 2018 15:50:06 +0300
Subject: [PATCH] 0023312: [CEA 1928] GEOM: Create group from second shape

---
 src/GEOMImpl/GEOMImpl_IShapesOperations.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/GEOMImpl/GEOMImpl_IShapesOperations.cxx b/src/GEOMImpl/GEOMImpl_IShapesOperations.cxx
index db197be5c..75b41d6e7 100644
--- a/src/GEOMImpl/GEOMImpl_IShapesOperations.cxx
+++ b/src/GEOMImpl/GEOMImpl_IShapesOperations.cxx
@@ -4794,6 +4794,10 @@ static bool isSameEdge(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2)
   gp_Pnt P2 = C1->Value(U);     //Compute a point on two thirds of the edge's length
 
   C2 = new Geom_TrimmedCurve(C2, U21, U22);
+  // vsr 04/10/2018: 0023312 - As curve may be periodic, its parameters may be normalized
+  // so, we re-take them from trimmed curve
+  U21 = C2->FirstParameter();
+  U22 = C2->LastParameter();
 
   if(!GeomLib_Tool::Parameter(C2, P1, MAX_TOLERANCE, U) ||  U < U21 || U > U22)
     return false;