/*! \page taper_page Taper \n \b Taper mesh quality criterion represents the ratio of the areas of two triangles separated by a diagonal within a quadrilateral face.
JA = 0.25 * (A1 + A2 + A3 + A4)
TAPER = MAX(|A1/JA - 1|, |A2/JA - 1|, |A3/JA - 1|, |A4/JA - 1|)

To apply the Taper quality criterion to your mesh:
  1. Display your mesh in the viewer.
  2. Choose Controls > Face Controls > Taper or click "Taper" button in the toolbar. \image html image36.png
    "Taper" button
    Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion: \image html image90.jpg

See Also a sample TUI Script of a \ref tui_taper "Taper quality control" operation. */