<?xml version="1.0"?>
<launch>
    <arg name="robot_x"   default="17.5" />
    <arg name="robot_y"   default="34.5" />
    <arg name="robot_yaw" default="1.57079" />
    <arg name="model" default="trolley" />
    <node name="spawn_maze" pkg="gazebo_ros" type="spawn_model" 
          args="-sdf -file $(find factory_ss_demo)models/sehc_trolley/model.sdf -model $(arg model) 
          -x $(arg robot_x) -y $(arg robot_y) -Y $(arg robot_yaw)" output="screen" />

</launch>
