From eca7b5ea4afc8414e59e1b316468215b1c30f323 Mon Sep 17 00:00:00 2001
From: "andrey.kaftasev@opencascade.com" <akaftasev>
Date: Mon, 13 Apr 2020 12:36:47 +0300
Subject: [PATCH] 0031217: Modeling Algorithms - Exception is raised in
 GeomFill_SectionPlacement when parallel path and SectionAxis

Now code protected from crashes when IsParallel
---
 src/GeomFill/GeomFill_SectionPlacement.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GeomFill/GeomFill_SectionPlacement.cxx b/src/GeomFill/GeomFill_SectionPlacement.cxx
index 98e1a2306c..644d034f95 100644
--- a/src/GeomFill/GeomFill_SectionPlacement.cxx
+++ b/src/GeomFill/GeomFill_SectionPlacement.cxx
@@ -643,7 +643,7 @@ void GeomFill_SectionPlacement::Perform(const Handle(Adaptor3d_HCurve)& Path,
 			    myAdpSection.LastParameter(),
 			    Path->Resolution(Tol/100), 
 			    myAdpSection.Resolution(Tol/100));
-	  if (Ext.IsDone()) {
+	  if (Ext.IsDone() && !Ext.IsParallel()) {
 	    Extrema_POnCurv P1, P2;
 	    for (ii=1; ii<=Ext.NbExt(); ii++) {
 	      distaux = sqrt (Ext.SquareDistance(ii));
-- 
2.39.5