From 0a66c59547341a3726ed8bf05297675efe26085b Mon Sep 17 00:00:00 2001
From: Wolfgang Hess <whess@google.com>
Date: Tue, 17 Oct 2017 15:35:52 +0200
Subject: [PATCH] Follow googlecartographer/cartographer#596. (#546)

---
 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 21acf60..8c618b5 100644
--- a/cartographer_ros/cartographer_ros/map_builder_bridge.cc
+++ b/cartographer_ros/cartographer_ros/map_builder_bridge.cc
@@ -212,7 +212,7 @@ visualization_msgs::MarkerArray MapBuilderBridge::GetTrajectoryNodeList() {
         CreateTrajectoryMarker(trajectory_id, node_options_.map_frame);
 
     for (const auto& node : single_trajectory_nodes) {
-      if (node.trimmed()) {
+      if (node.constant_data == nullptr) {
         PushAndResetLineMarker(&marker, &trajectory_node_list.markers);
         continue;
       }