text: <launch>
        <node pkg="gridmapping2" type="gridmapping2_shared_gridmap_node" name="shared_gridmap" output="screen"/>
        <node pkg="gridmapping2" type="gridmapping2_proxy_example1" name="proxy1" output="screen"/>
        <node pkg="gridmapping2" type="gridmapping2_proxy_example2" name="proxy2" output="screen"/>
  
  </launch>
  