+++ /dev/null
-.. _aspect_ratio_page:
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-Aspect Ratio
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-The **Aspect Ratio** quality criterion for mesh elements reveals the degree of conformity of a mesh element to the regular element of its type (with all edges having the same length).
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-* The **Aspect Ratio** of a **triangle** 2D element consisting of 3 nodes is calculated by the formula:
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- .. image:: ../images/formula4.png
- :align: center
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-* The **Aspect Ratio** of a **quadrangle** 2D element consisting of 4 nodes is calculated using The Verdict Geometric Quality Library available within VTK. The calculation formula is:
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- .. image:: ../images/formula5.png
- :align: center
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-*To apply the Aspect Ratio quality criterion to your mesh:*
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-.. |img| image:: ../images/image37.png
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-#. Display your mesh in the viewer.
-#. Choose **Controls > Face Controls > Aspect Ratio** or click *Aspect Ratio* button |img| in the toolbar.
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- Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion:
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- .. image:: ../images/image94.jpg
- :align: center
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-**See Also** a sample TUI Script of an :ref:`tui_aspect_ratio` filter.
