bos #29171 Refactor testing procedure

[modules/smesh.git] / doc / gui / input / length_2d.rst

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+.. _length_2d_page:
+
+*********
+Length 2D
+*********
+
+This quality control criterion consists of calculation of length of the links between corner nodes of mesh faces.
+
+*To apply the Length 2D quality criterion to your mesh:*
+
+.. |img| image:: ../images/image34.png
+
+#. Display your mesh in the viewer. 
+#. Choose **Controls > Face Controls > Length 2D** or click *"Length 2D"* button |img| in the toolbar. 
+
+
+Your mesh will be displayed in the viewer with links colored according to the applied mesh quality control criterion:
+
+.. image:: ../images/length2d.png
+       :align: center
+
+
+**See Also** a sample TUI Script of a :ref:`tui_length_2d` filter.