lass="keyword">function</span> demoGeom3d(varargin)
</pre><pre class="codeinput"><span class="comment">%DEMOGEOM3D Demo of geom3d basic processing</span>
<span class="comment">%</span>
<span class="comment">%   Usage:</span>
<span class="comment">%   demoGeom3d</span>
<span class="comment">%</span>
<span class="comment">%   This demo demonstrates some usage example of the geom3d library.</span>
<span class="comment">%   In particular, it shows how to:</span>
<span class="comment">%   - create shapes like po