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