From 00b0144736f29378258260f14af5c9d877c0d727 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Sch=C3=BCtte?= <cschuet@google.com>
Date: Wed, 30 May 2018 08:36:35 +0200
Subject: [PATCH] Follow googlecartographer/cartographer#1172 (#881)

---
 cartographer_ros/cartographer_ros/map_builder_bridge.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cartographer_ros/cartographer_ros/map_builder_bridge.cc b/cartographer_ros/cartographer_ros/map_builder_bridge.cc
index f8658f8..df3d0c3 100644
--- a/cartographer_ros/cartographer_ros/map_builder_bridge.cc
+++ b/cartographer_ros/cartographer_ros/map_builder_bridge.cc
@@ -306,7 +306,7 @@ visualization_msgs::MarkerArray MapBuilderBridge::GetTrajectoryNodeList() {
 
     marker.color.a = 1.0;
     for (const auto& node_id_data : node_poses.trajectory(trajectory_id)) {
-      if (!node_id_data.data.has_constant_data) {
+      if (!node_id_data.data.constant_pose_data.has_value()) {
         PushAndResetLineMarker(&marker, &trajectory_node_list.markers);
         continue;
       }