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 using The Verdict Geometric Quality Library
13 available within VTK. The calculation formula is:
15 \image html formula4.png
17 - The <b>Aspect Ratio</b> of a \b quadrangle 2D element consisting of 4
18 nodes is calculated using The Verdict Geometric Quality Library
19 available within VTK. The calculation formula is:
21 \image html formula5.png
23 <em>To apply the Aspect Ratio quality criterion to your mesh:</em>
25 <li>Display your mesh in the viewer.</li>
27 <li>Choose <b>Controls > Face Controls > Aspect Ratio</b> or click
28 <em>"Aspect Ratio"</em> button in the toolbar.
31 \image html image37.png
32 <em>"Aspect Ratio" button</em>
35 Your mesh will be displayed in the viewer with its elements colored
36 according to the applied mesh quality control criterion:
38 \image html image94.jpg
42 <br><b>See Also</b> a sample TUI Script of an
43 \ref tui_aspect_ratio "Aspect Ratio quality control" operation.