X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fmerging_nodes.doc;h=439e1fea3c6a7872f9c26517a4ec15a7a7308e6b;hb=18e7b9c7521fc13f643973ea953b08bdbf6dfbda;hp=76692add1dd24be086850d1963dd7d6b14cfdade;hpb=d64c9cac70573c5789a61c314f5ac5ffc3428f4a;p=modules%2Fsmesh.git

diff --git a/doc/salome/gui/SMESH/input/merging_nodes.doc b/doc/salome/gui/SMESH/input/merging_nodes.doc
index 76692add1..439e1fea3 100644
--- a/doc/salome/gui/SMESH/input/merging_nodes.doc
+++ b/doc/salome/gui/SMESH/input/merging_nodes.doc
@@ -21,8 +21,28 @@ then converted to the single node.
 processed.
 <li>\b Tolerance is a maximum distance between nodes sufficient for
 merging.</li>
+<li>Activation of <b>No merge of corner and medium nodes</b> check-box
+  prevents merging medium nodes of quadratic elements with corner
+  nodes. This check-box is enabled provided that the selected mesh
+  includes quadratic elements.</li>
 <li><b>Exclude Groups</b> group box allows to ignore the nodes which
-belong to the specified mesh groups.
+belong to the specified mesh groups.</li>
+<li><b>Nodes to keep</b> group box allows to specify nodes to keep in
+  the mesh. (By default a node being the first in a group of
+  coincident nodes is kept.) It is possible to either select nodes in
+  the Viewer or select groups of any element type whose nodes will be
+  kept.
+  <ol>
+    <li>\a Selection button activates selection of nodes to keep.</li>
+    <li><b>Node IDs</b> button activates selection of nodes in the
+      Viewer.</li>
+    <li><b>Groups and Sub-meshes</b> button activates selection of
+      groups and sub-meshes.</li>
+    <li>\b Add button adds selected nodes or groups to the list.</li>
+    <li> Nodes or groups selected in the list can be removed using \b
+      Remove button.</li>
+  </ol>
+</li>
 </ul>
 
 <li><b>Automatic mode:</b>
@@ -39,14 +59,15 @@ In this mode additional controls are available:
 <li>\b Detect button generates the list of coincident nodes for the given
 \b Tolerance.</li>
 <li><b>Coincident nodes</b> is a list of groups of nodes for
-  merging. As result of the operation all nodes of each group will be
-  replaces by the firts node of the group.
+  merging. After the operation all nodes of each group will
+  be united into one node. The first node of a group is kept and
+  the others are removed.
 <ul>
 <li>\b Remove button deletes the selected group from the list.</li>
 <li>\b Add button adds to the list a group of nodes selected in the
 viewer with pressed "Shift" key.</li>
-<li><b>Select all</b> checkbox selects all groups.</li>
-<li><b>Show double nodes IDs</b> checkbox shows/hides identifiers of
+<li><b>Select all</b> check-box selects all groups.</li>
+<li><b>Show double nodes IDs</b> check-box shows/hides identifiers of
 nodes of selected groups in the 3D viewer.</li>
 </ul>
 
@@ -65,17 +86,16 @@ nodes of selected groups in the 3D viewer.</li>
   <br>
   \image html sort.png
   <center>moves the selected node to the first position in the
-    group. This means that all other nodes of the group will be
-    replaced by this one.</center><br>
+    group in order to keep it in the mesh.</center><br>
 </li>
 </ul>
 </li>
 <li>To confirm your choice click \b Apply or <b>Apply and Close</b> button.</li>
 </ol>
 
-\image html merging_nodes1.png "The initial obgect" 
+\image html merging_nodes1.png "The initial object"
 
-\image html merging_nodes2.png "The object has been merged with a very big tolerance"
+\image html merging_nodes2.png "The object has been merged"
 
 <br><b>See Also</b> a sample TUI Script of a 
 \ref tui_merging_nodes "Merge Nodes" operation.