<launch>

  <include file="$(find gazebo_ros)/launch/empty_world.launch">
    <arg name="world_name" value="$(find qt_pi_gazebo_sim)/worlds/playground.world"/>
  </include>
  <!-- <include file="$(find qt_pi_gazebo_sim)/launch/depth_to_laser.launch"/> -->
  <include file="$(find qt_pi_gazebo_sim)/launch/static_tf.launch"/>
  <include file="$(find qt_pi_gazebo_sim)/launch/move_base_amcl.launch"/>
</launch>
