 class="hl std">)</span>
</pre></div>
</div></div>
    <p class="img">
      <img src="figure/render-variable-offset-1.svg" width="30%">
    </p>
    <h3>Line ends</h3>
    <p>
    The offset curve only produces left and right offsets for
    the main curve, as shown below (the red lines).  
  </p>

    <p class="img">
      <img src="figure/render-no-ends-1.svg" width="30%">
    </p>
    <p>
    If we want to produce a closed shape, we need to connect the
    ends of the offset curves.  In the 'vwline' pac