descLeft">&#160;</td><td class="mdescRight">Determines whether points aligned along <em>direction</em>  in data space are also aligned along some line in plot space. <dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">direction</td><td>The direction in data space along which the points should be aligned.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if any two points aligned along <em>direction</em>  in data 