Taper mesh quality
criterion represents the ratio of the areas of two triangles separated
by a diagonal. So it can be calculated only for elements consisting of
4 nodes.Taper mesh quality
criterion represents the ratio of the areas of two triangles separated
by a diagonal. So it can be calculated only for elements consisting of
4 nodes.
To apply the Taper quality criterion to your mesh:
1. Display your mesh in the viewer.
2. Choose Controls
> Taper or click 
button in the toolbar. Your mesh
will be displayed in the viewer with its elements colored according to
the applied mesh quality control criterion:
See Also a sample TUI Script of a Taper quality control operation.