/dt><!-- RDLabel: "point.m" -->
<dd>
returns a Float m (height) value.</dd>
<dt><a name="label-56" id="label-56"><code>point.z</code></a></dt><!-- RDLabel: "point.z" -->
<dd>
returns a Float z (elevation) value.</dd>
</dl>
<h2><a name="label-57" id="label-57">class PointM</a></h2><!-- RDLabel: "class PointM" -->
<p>Point is a geometric point that has three coordinates x, y and m.</p>
<dl>
<dt><a name="label-58" id="label-58"><code>PointM::new <var>x</var>, <var>y</var>, <var>m</var>, <var>attrs</var> = {}</