  <span class="comment">%------------------------------------------------------------------</span>
         <span class="comment">% Transform point coordinates from natural coordinate system to</span>
         <span class="comment">% global cartesian coordinate system.</span>
         X = coordNaturalToCartesian(this,NODE,Xn)

         <span class="comment">%------------------------------------------------------------------</span>
         <span class="comment">% Transform point coordinates from global cart