ayoutEngine.html" title="interface in weka.gui.graphvisualizer">LayoutEngine</a></code></dd>
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<h4>phaseIU</h4>
<pre>public&nbsp;void&nbsp;phaseIU(int&nbsp;lindex,
           int[][]&nbsp;levels)</pre>
<div class="block">See Sugiyama et al. 1981 (full reference give at top)
 lindex is the index of the level we want to process.
 In this method we'll sort the vertices at the level
 lindex according t