This quality control criterion consists of calculation
of length of the edges combining the meshing elements (triangles and quadrangles)
of your mesh. This quality control criterion consists of calculation
of length of the edges combining the meshing elements (triangles and quadrangles)
of your mesh.
To apply the Length 2D quality criterion to your mesh:
1. Display your mesh in the viewer.
2. Choose Controls
> Length 2D 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 Length 2D quality control operation.