ING((1 2, 3 4), (5 6, 7 8))"</pre></dd>
<dt><a name="label-47" id="label-47"><code>shape.xvals</code></a></dt><!-- RDLabel: "shape.xvals" -->
<dd>
<p>returns an array of x values.</p>
<pre>ShapeLib::Arc.new([1, 2], [3, 4], [5, 6]).xvals
=&gt; [1.0, 3.0, 5.0]</pre>
<p>Multipart shape results flattened array (all parts joined).</p>
<pre>ShapeLib::Arc.new([[1, 2], [3, 4]], [[5, 6], [7, 8]]).xvals
=&gt; [1.0, 3.0, 5.0, 7.0]</pre></dd>
<dt><a name="label-48" id="label-48"><code>shape.yvals</code></a></dt><!-- RD