/*! \page minimum_angle_page Minimum angle \n <b>Minimum angle</b> mesh quality criterion consists of calculation of the minimum value of angle between two adjacent sides of a 2D meshing element (triangle or quadrangle). <em>To apply the Minimum angle quality criterion to your mesh:</em> <ol> <li>Display your mesh in the viewer.</li> <li>Choose <b>Controls > Face Controls > Minimum angle</b> or click <em>"Minimum Angle"</em> button. \image html image38.png <center><em>"Minimum Angle" button</em></center> Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion: \image html image92.jpg </li> </ol> <br><b>See Also</b> a sample TUI Script of a \ref tui_minimum_angle "Minimum Angle quality control" operation. */