an>, <span class="string">'k'</span>, <span class="string">'linewidth'</span>, 2);
</pre><img vspace="5" hspace="5" src="demo_geom2d_iris_02.png" alt=""> <h2 id="4">Draw oriented box</h2><pre class="codeinput">obox = orientedBox(pts);
drawOrientedBox(obox, <span class="string">'color'</span>, <span class="string">'k'</span>, <span class="string">'linewidth'</span>, 1);
</pre><img vspace="5" hspace="5" src="demo_geom2d_iris_03.png" alt=""> <h2 id="5">Process by species</h2><pre class="codeinput"><span class=