/*! \page max_element_length_2d_page Element Diameter 2D \n This quality control criterion consists in calculation of the length of edges and diagonals combining 2D mesh elements (triangles and quadrangles). To apply the Element Diameter 2D quality criterion to your mesh:
  1. Display your mesh in the viewer.
  2. Choose Controls > Face Controls > Element Diameter 2D or click "Element Diameter 2D" button in the toolbar. \image html image42.png
    "Element Diameter 2D" button
    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

See Also a sample TUI Script of a \ref tui_max_element_length_2d "Element Diameter 2D quality control" operation. */