/*!
\page diagonal_inversion_of_elements_page Diagonal inversion of two triangles
\n In MESH you can inverse the diagonal (edge) of a pseudo-quadrangle
formed by two neighboring triangles with one common edge.
To inverse the diagonal:
- From the \b Modification menu choose the Diagonal inversion item or
click "Diagonal Inversion" button in the toolbar.
\image html image70.png
"Diagonal Inversion" button
The following dialog box shall appear:
\image html diagonalinversion.png
- Enter IDs of nodes forming the required edge in the \b Edge field
(the node IDs must be separated by dashes) or select
this edge in the 3D viewer.
- Click the \b Apply or Apply and Close button.
\image html image38.jpg "The selected edge"
\image html image36.jpg "The inverted edge"
See Also a sample TUI Script of a
\ref tui_diagonal_inversion "Diagonal Inversion of Elements" operation.
*/