ts"></a> Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>w629</th>
      <td><p>numeric. Value at wavelength of 629 nm</p></td>
    </tr>
    <tr>
      <th>w658</th>
      <td><p>numeric. Value at wavelength of 658 nm</p></td>
    </tr>
    <tr>
      <th>w729</th>
      <td><p>numeric. Value at wavelength of 729 nm</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"><