From 5223efcd587dec90d0b1783e8a0af94d594ecaa9 Mon Sep 17 00:00:00 2001
From: barendgehrels <barend@xs4all.nl>
Date: Fri, 17 Feb 2017 16:14:45 +0100
Subject: [PATCH] [traverse] fix operation index

---
 include/boost/geometry/algorithms/detail/overlay/traversal.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/geometry/algorithms/detail/overlay/traversal.hpp b/include/boost/geometry/algorithms/detail/overlay/traversal.hpp
index 845b4cae7..4047b1e2d 100644
--- a/include/boost/geometry/algorithms/detail/overlay/traversal.hpp
+++ b/include/boost/geometry/algorithms/detail/overlay/traversal.hpp
@@ -506,7 +506,7 @@ struct traversal
             {
                 sort_by_side::ring_with_direction const& rwd = *rwr.rings.begin();
                 turn_type const& turn = m_turns[rwd.turn_index];
-                incoming_region_id = turn.operations[op_index].enriched.region_id;
+                incoming_region_id = turn.operations[rwd.operation_index].enriched.region_id;
             }
             else
             {