/*!

\page area_page Area

\n \b Area mesh quality control is based on the algorithm of area
calculation of  meshing elements. It can be applied to meshes
consisting of 2D meshing elements with 3 and 4 nodes (triangles and
quadrangles).

<em>To apply the Area quality control to your mesh:</em>
<ol>
<li>Display your mesh in the viewer.</li>

<li>Choose <b>Controls > Face Controls > Area</b> or click
<em>"Area"</em> button. 

\image html image35.png
<center><em>"Area" button</em></center>

Your mesh will be displayed in the viewer with its elements colored
according to the applied mesh quality control criterion:

\image html image5.jpg
</li>
</ol>

<br><b>See Also</b> a sample TUI Script of an 
\ref tui_area "Area quality control" operation.  

*/