message: added spin once
diff: @@ -42,6 +42,8 @@ void SimulationServer::getServerConfigFromRosParam(
  nh_private_.param("min_dist", min_dist_, min_dist_);
  nh_private_.param("num_viewpoints", num_viewpoints_, num_viewpoints_);
  +
  + nh_private_.param("world_frame", world_frame_, world_frame_);
  }
  SimulationServer::SimulationServer(
  @@ -402,6 +404,7 @@ void SimulationServer::visualize() {
  marker_array.markers[0].header.frame_id = world_frame_;
  tsdf_test_mesh_pub_.publish(marker_array);
  }
  + ros::spinOnce();
  }
  void SimulationServer::run() {
  