/*!

\page rotation_page Rotation

\n This geometrical operation allows to rotate in space your mesh or
some of its elements.

<em>To rotate your mesh:</em>
\par
From the \b Modification choose \b Transformation and  from its sub-menu
select the \b Rotation item. The following dialog box shall appear:

\image html rotation.png
\par 
In this dialog box you can specify the elements which should be
rotated and the rotation parameters:
<ul>
<li>\b Axis: point and vector</li>
<li>\b Angle of rotation</li>
</ul>
<b>Create a Copy</b> checkbox allows creating a new mesh, the source
mesh (or group of elements remains at its initial location).
<b>Generate Groups</b> checkbox allows copying the groups of elements
of the source mesh to the newly created one.
\par


\image html rotation1.png

\image html rotation2.png

<br><b>See Also</b> a sample TUI Script of a 
\ref tui_rotation "Rotation" operation.  

*/