bos #29171 Refactor testing procedure

[modules/smesh.git] / doc / gui / input / max_element_length_2d.rst

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+.. _max_element_length_2d_page:
+
+*******************
+Element Diameter 2D
+*******************
+
+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.
+
+*To apply the Element Diameter 2D quality criterion to your mesh:*
+
+.. |img| image:: ../images/image42.png
+
+#. Display your mesh in the viewer. 
+#. Choose **Controls > Face Controls > Element Diameter 2D** or click *"Element Diameter 2D"* button |img| in the toolbar. 
+
+   Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion:
+
+       .. image:: ../images/max_element_length_2d.png
+               :align: center
+
+**See Also** a sample TUI Script of a :ref:`tui_max_element_length_2d` filter.