 options for controlling the legend.</p></td>
    </tr>
    <tr>
      <th>legend_format</th>
      <td><p>A list containing functions to apply to legend values. See section legend</p></td>
    </tr>
    <tr>
      <th>update_view</th>
      <td><p>logical indicating if the map should update the bounds to include this layer</p></td>
    </tr>
    <tr>
      <th>focus_layer</th>
      <td><p>logical indicating if the map should update the bounds to only include this layer</p></td>
    </tr>
    <tr>
      <t