<ol>
<li>From the \b Modification choose \b Transformation and from its
sub-menu select the <b>Merge nodes</b> item. The following dialog box
-shall appear:
-
-\image html mergenodes.png
+shall appear:</li>
+\image html mergenodes_auto.png
+<br>
<ul>
<li>\b Name is the name of the mesh whose nodes will be merged.</li>
+<li>\b Automatic Mode or \b Manual Mode is to switch the dialog
+controls type.
<li>\b Tolerance is a maximum distance between nodes sufficient for
-merging.
+merging, that is able in both dialog modes.</li>
+</ul>
+
+<li><b>Automatic mode:</b>
+<br>
+<ul>
+<li>In \b Automatic Mode to merge the Nodes, just input the tolerance
+value and confirm by \b Apply button.</li>
+</ul>
+</li><br>
+<li>If the \b Manual Mode is selected there are additional controls to
+manage the nodes to be merged in more detail:
<ul>
<li>\b Detect button generates the list of coincident nodes for the given
\b Tolerance.</li>
-</ul>
-</li>
<li><b>Coincident nodes</b> is a list of groupes of nodes for
merging. All nodes of each group will form one after the
operation.
viewer with pressed "Shift" key.</li>
<li><b>Select all</b> checkbox selects all groups.</li>
</ul>
+
+\image html mergenodes.png
+
</li>
<li><b>Edit selected group</b> list allows editing the selected
group:
<br><b>See Also</b> a sample TUI Script of a
\ref tui_merging_nodes "Merge Nodes" operation.
-*/
\ No newline at end of file
+*/
