--- /dev/null
+/*!
+
+\page merging_elements_page Merging Elements
+
+\n This functionality allows to merge coincident elements of a mesh
+selectable in the dialog box.
+
+\image html mergeelems.png
+
+<ul>
+<li>\b Name is the name of the mesh whose elements will be merged.</li>
+<li>\b Tolerance is a maximum distance between elements sufficient for
+merging.
+<ul>
+<li>\b Detect button generates the list of coincident elements for the given
+\b Tolerance.</li>
+</ul>
+</li>
+<li><b>Coincident elements</b> is a list of groupes of elements for
+merging. All elements of each group will form one after the operation.
+<ul>
+<li>\b Remove button deletes the selected group from the list.</li>
+<li>\b Add button adds to the list a group of elements selected in the
+viewer with pressed "Shift" key.</li>
+<li><b>Select all</b> checkbox selects all groups.</li>
+</ul>
+</li>
+<li><b>Edit selected group</b> list allows editing the selected
+group:
+<br><br>
+\image html add.gif
+<center>adds to the group the element selected in the viewer.</center>
+<br>
+\image html remove.gif
+<center>removes from the group the selected element.</center>
+<br>
+\image html sort.gif
+<center>moves the selected element to the first position in the
+group. This means that all other elements will be merged into this
+one.</center><br>
+</li>
+</ul>
+</li>
+<li>To confirm your choice click \b OK or \b Apply button.</li>
+</ol>
+
+In this picture you see a triangle which coincides with one of the
+elements of the mesh. After we apply <b>Merge Elements</b> functionality, the
+triangle will be completely merged with the mesh.
+
+\image html meshtrianglemergeelem1.png
+
+<br><b>See Also</b> a sample TUI Script of a
+\ref tui_merging_elements "Merge Elements" operation.
+
+*/
