/*!

\page copy_mesh_page Copy Mesh

\n A mesh can be created by copying a part of or the whole other mesh.

<em>To make a copy of a mesh:</em>

\par
From the \b Mesh menu select <b>Copy Mesh</b> or click <em>"Copy Mesh"</em>
button in the toolbar.

\image html copy_mesh_icon.png
<center><em>"Copy Mesh" button</em></center>

\par
The following dialog box will appear:

\image html copy_mesh_dlg.png

\par
In the dialog:
<ul>
<li>specify the part of mesh to copy:

<ul>
<li><b>Select the whole mesh, submesh or group</b> by mouse activating
this checkbox; or</li>
<li>choose mesh elements with the mouse in the 3D Viewer. It is
possible to select a whole area with a mouse frame; or</li> 
<li>input the <b>Source Element IDs</b> directly in this field. The
selected elements will be highlighted in the viewer; or</li>
<li>apply Filters. <b>Set filter</b> button allows to apply a filter
to the selection of elements. See more about filters in the \ref
selection_filter_library_page "Selection filter library" page.</li>
</ul>
</li>

<li>specify the <b>New Mesh Name</b>;</li>

<li>specify the conditions of copying:
<ul>
<li>activate <b>Generate groups</b> checkbox to copy the groups of
elements of the source mesh to the newly created mesh.</li>
<li>activate <b>Preserve IDs of elements</b> checkbox to keep
the IDs of new nodes and elements the same as the IDs of source nodes
and elements.</li>
</ul>
</li>

<li>Click \b Apply or <b>Apply and Close</b> button to confirm the operation.</li>
</ul>

<b>See Also</b> a sample 
\ref tui_copy_mesh "TUI Example of mesh copying."
*/