-/*!
-
-\page max_element_length_2d_page Element Diameter 2D
-
-\n This quality control criterion consists in calculation of the maximal length of
-edges and diagonals of 2D mesh elements (triangles and quadrangles). For polygons
-the value is always zero.
-
-<em>To apply the Element Diameter 2D quality criterion to your mesh:</em>
-<ol>
-<li>Display your mesh in the viewer. </li>
-
-<li>Choose <b>Controls > Face Controls > Element Diameter 2D</b> or click
-<em>"Element Diameter 2D"</em> button in the toolbar.
-
-\image html image42.png
-<center><em>"Element Diameter 2D" 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 max_element_length_2d.png
-</li>
-</ol>
-
-<br><b>See Also</b> a sample TUI Script of a
-\ref tui_max_element_length_2d "Element Diameter 2D quality control" operation.
-
-*/