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[modules/smesh.git] / doc / salome / gui / SMESH / input / sewing_meshes.doc

diff --git a/doc/salome/gui/SMESH/input/sewing_meshes.doc b/doc/salome/gui/SMESH/input/sewing_meshes.doc
index c3afbf1e07fe43515666cba75520fda59eac46a9..ad5f15e65f5eda18e608abea4b3be6a9c4a2243e 100644 (file)
--- a/doc/salome/gui/SMESH/input/sewing_meshes.doc
+++ b/doc/salome/gui/SMESH/input/sewing_meshes.doc
@@ -2,7 +2,7 @@
 
 \page sewing_meshes_page Sewing meshes
 
-\n In SMESH you can sew elements of  different meshes. The current
+\n In SMESH you can sew elements of a mesh. The current
 functionality allows you to sew:
 <ul>
 <li>\ref free_borders_anchor "Free borders"</li>
@@ -13,7 +13,7 @@ functionality allows you to sew:
 
 \image html sewing.png "Sewing button"
 
-<em>To sew elements of different meshes:</em>
+<em>To sew elements of a mesh:</em>
 <ol>
 <li>From the \b Modification menu choose the \b Transformation item
 and from its sub-menu select the \b Sewing item.</li>
@@ -50,6 +50,12 @@ corresponding end nodes of two borders will be merged. Intermediate
 nodes of two borders will be either merged or inserted into faces of
 the opposite border.
 
+In practice the borders to sew often coincide and in this case it is
+difficult to specify the first and the last nodes of a border since
+they coincide with the first and the last nodes of the other
+border. To cope with this, manually \ref merging_nodes_page to fuse
+each pair of coincident nodes into one.
+
 The sewing algorithm is as follows:
 <ol>
 <li>The parameter (U) of each node within a border is computed. So
@@ -158,4 +164,4 @@ nodes in 3D viewer or define them by its id.
 <b>See Also</b> a sample TUI Script of a 
 \ref tui_sew_side_elements "Sew Side Elements" operation.  
 
-*/
\ No newline at end of file
+*/