\page rotation_page Rotation
-\n This geometrical operation allows to rotate in space your mesh or
+\n This operation allows to rotate in space your mesh or
some of its elements.
+\image html rotation_ico.png "Rotation button"
+
<em>To rotate your mesh:</em>
\par
From the \b Modification choose \b Transformation and from its sub-menu
\image html rotation.png
\par
In this dialog box you can specify the elements which should be
-rotated and the rotation parameters:
+rotated
+<ul>
+<li>Check on <b>Select the whole mesh, submesh or group</b> option
+<li>Choosing them manually with the mouse in the 3D Viewer. You can
+click on an element in the 3D viewer and it will be highlighted</li>
+<li>Applying Filters. The <b>Set filter</b> button allows to apply a
+definite filter to selection of the elements. See more
+about filters on the
+\ref selection_filter_library_page "Selection filter library" page.</li>
+</ul>
+ and the rotation parameters:
<ul>
<li>\b Axis: point and vector</li>
<li>\b Angle of rotation</li>
\par
-\image html rotation1.png
+\image html rotation1.png "The initial mesh"
-\image html rotation2.png
+\image html rotation2.png "The rotated mesh"
<br><b>See Also</b> a sample TUI Script of a
\ref tui_rotation "Rotation" operation.
-*/
\ No newline at end of file
+*/
