+++ /dev/null
-.. _diagonal_inversion_of_elements_page:
-
-***********************************
-Diagonal inversion of two triangles
-***********************************
-
-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 **Modification** menu choose the **Diagonal inversion** item or click *"Diagonal Inversion"* |img| button in the toolbar.
-
-.. |img| image:: ../images/image70.png
-
-The following dialog box shall appear:
-
- .. image:: ../images/diagonalinversion.png
- :align: center
-
-#. Enter IDs of nodes forming the required edge in the **Edge** field (the node IDs must be separated by dashes) or select this edge in the 3D viewer.
-#. Click the **Apply** or **Apply and Close** button.
-
- .. image:: ../images/image38.jpg
- :align: center
-
- .. centered::
- The selected edge
-
- .. image:: ../images/image36.jpg
- :align: center
-
- .. centered::
- The inverted edge
-
-**See Also** a sample TUI Script of a :ref:`tui_diagonal_inversion` operation.
-
-