3 \page aspect_ratio_page Aspect Ratio
5 \n The <b>Aspect Ratio</b> quality criterion for mesh elements reveals
6 the degree of conformity of a mesh element to the regular element of
7 its type (with all edges having the same length).
11 - The <b>Aspect Ratio</b> of a \b triangle 2D element consisting of 3
12 nodes is calculated by the formula:
14 \image html formula4.png
16 - The <b>Aspect Ratio</b> of a \b quadrangle 2D element consisting of 4
17 nodes is calculated using The Verdict Geometric Quality Library
18 available within VTK. The calculation formula is:
20 \image html formula5.png
22 <em>To apply the Aspect Ratio quality criterion to your mesh:</em>
24 <li>Display your mesh in the viewer.</li>
26 <li>Choose <b>Controls > Face Controls > Aspect Ratio</b> or click
27 <em>"Aspect Ratio"</em> button in the toolbar.
30 \image html image37.png
31 <em>"Aspect Ratio" button</em>
34 Your mesh will be displayed in the viewer with its elements colored
35 according to the applied mesh quality control criterion:
37 \image html image94.jpg
41 <br><b>See Also</b> a sample TUI Script of an
42 \ref tui_aspect_ratio "Aspect Ratio quality control" operation.