ntImage.height);
      viewer.shift(gridClient.currentImage.pose.position.x, gridClient.currentImage.pose.position.y);
    });
  }
</script>
</head>

<body onload="init()">
  <h1>Simple Map Example</h1>
  <p>
    Run the following commands in the terminal then refresh this page. This will load a map from the
    <tt>ros-indigo-rail-maps</tt>
    package.
  </p>
  <ol>
    <li><tt>roscore</tt></li>
    <li><tt>rosrun map_server map_server /opt/ros/indigo/share/rail_maps/maps/rail_lab.yaml</tt></li>
    <li><