lues for x, y, m, z coordinates.
Note: the order is M then Z, not Z then M.</dd>
<dt><a name="label-38" id="label-38"><code>shape.minbound</code></a></dt><!-- RDLabel: "shape.minbound" -->
<dd>
returns the minimum values for x, y, m, z coordinates.</dd>
<dt><a name="label-39" id="label-39"><code>shape.part_start</code></a></dt><!-- RDLabel: "shape.part_start" -->
<dd>
returns an array of Integer that indicates beginning offset
for each part in <a href="#label-47">shape.xvals</a> etc.</dd>
<dt><a name="label