/*!

\page display_mode_page Display Mode

\n This option is relevant for viewing 3D objects. Wireframe mode means
that you can see only  edges of the object, while its shells remain
transparent. Shading mode means that the shells are filled with color.

\n To change the display mode right-click on this geometrical object
in the viewer and from the pop-up menu select <b>Display mode -->
Wireframe</b> or <b>Shading</b>.

\n <b>TUI Command:</b> <em>gg.setDisplayMode(ID, Short)</em>

\image html disp_mode1sn.png
<center><em>Wireframe</em></center>

\image html /disp_mode2sn.png
<center><em>Shading</em></center>

\n There is an option to show the direction of edges on the selected shape from popup menu <b> Display mode
-> Show Edge Direction</b> or it possible to apply this functionality for all objects in the current view from
the main menu <b> View -> Display Mode -> Show/Hide Edge Direction.</b>

\image html vectors_mode.png
<center><em>Vectors Mode (Show Edge Direction)</em></center>

\n <b>TUI Command:</b> <em>gg.setVectorsMode(ID, Bool)</em>

Our <b>TUI Scripts</b> provide you with useful examples of 
\ref tui_change_disp_mode "Changing Display Parameters".

*/