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<h4>getCurveParallel</h4>
<pre class="methodSignature">public&nbsp;<a href="mxLine.html" title="class in com.mxgraph.util">mxLine</a>&nbsp;getCurveParallel&#8203;(java.lang.String&nbsp;index,
                               double&nbsp;distance)</pre>
<div class="block">Returns a unit vector parallel to the curve at the specified
 distance along the curve. To obtain the angle the vector makes
