Area mesh quality control is based on the algorithm of area calculation of meshing elements. It can be applied to meshes consisting of 2D meshing elements with 3 and 4 nodes (triangles and quadrangles).
To apply the Area quality control to your mesh:
Display your mesh in the viewer.
Choose Controls > Face Controls > Area or click "Area" button.
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 an Area quality control operation.