X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Funiting_set_of_triangles.doc;h=b9704a41ab49f80f3a7f717bdc69d3b0799ee6fa;hp=fc3a74aed17adb28f66f0d853a98b97d19ba81aa;hb=54644afede59730525ebb89f87d5e09b620e329c;hpb=79b1ac2b6df9117f16f11d444b1f165d477a1813

diff --git a/doc/salome/gui/SMESH/input/uniting_set_of_triangles.doc b/doc/salome/gui/SMESH/input/uniting_set_of_triangles.doc
index fc3a74aed..b9704a41a 100644
--- a/doc/salome/gui/SMESH/input/uniting_set_of_triangles.doc
+++ b/doc/salome/gui/SMESH/input/uniting_set_of_triangles.doc
@@ -2,16 +2,17 @@
 
 \page uniting_set_of_triangles_page Uniting a set of triangles
 
-\n In contrast to the previous operation this one allows to unite at
-once many triangles if they have adjacent edges.
+\n It is possible to unite many neighboring triangles into
+quadrangles by deletion of the common edge.
 
 <em>To union several triangles:</em>
 <ol>
-<li>Display a mesh or a submesh in the 3D viewer.</li>
+<li>Select a mesh (and display it in the 3D Viewer if you are going to
+  pick elements by mouse).</li>
 <li>In the \b Modification menu select the <b>Union of triangles</b>
-item or click <em>"Union of triangles"</em> button in the toolbar.
+  item or click <em>"Union of triangles"</em> button in the tool-bar.
 
-\image html image80.gif
+\image html image80.png
 <center><em>"Union of triangles" button</em></center>
 
 The following dialog box will appear:
@@ -20,32 +21,32 @@ The following dialog box will appear:
 
 <ul>
 <li><b>The main list</b> shall contain the triangles which will be
-united. You can click on an triangle in the 3D viewer and it will be
-highlighted. After that click the \b Add button and the ID of this
-triangle will be added to the list. To remove a selected element or
-elements from the list click the \b Remove button. The \b Sort button allows
-to sort the list of IDs. The <b>Set filter</b> button allows to apply a
-definite filter to selection of triangles.</li>
-<li><b>Apply to all</b> radio button allows to modify connectivity and
-type of all triangles of the currently displayed mesh or submesh.</li>
-<li>\b Criterion menu allows to apply the operation only to those
-object which meet the chosen criterion (from the list of Quality
-Controls, i.e. Skew, Warping, Minimum Angle, etc.)</li>
-<li><b>Select from</b> set of fields allows to choose a submesh or an
-existing group whose triangle elements will be automatically added to
-the list.</li>
+  united. You can click on a triangle in the 3D viewer and it will be
+  highlighted. After that click the \b Add button and the ID of this
+  triangle will be added to the list. To remove a selected element or
+  elements from the list click the \b Remove button. The \b Sort button allows
+  to sort the list of IDs. The <b>Filter</b> button allows to apply a
+  definite \ref filtering_elements "filter" to selection of triangles.</li>
+<li><b>Apply to all</b> radio button allows to apply the operation to
+  all triangles of the selected mesh.</li>
+<li><b>Preview</b> provides a preview in the viewer.</li>
+<li>\b Criterion menu allows to choose a quality criterion,
+  which will be optimized to select triangles to unite.</li>
+<li><b>Select from</b> set of fields allows to choose a sub-mesh or an
+  existing group whose triangle elements then can be added to the
+  list.</li>
 </ul>
 
 </li>
-<li>Click the \b Apply or \b OK button to confirm the operation.</li>
+<li>Click the \b Apply or <b>Apply and Close</b> button to confirm the operation.</li>
 </ol>
 
 If some selected triangle elements have no adjacent edges with one of
 the others, the operation on these elements shall take no effect.
 
-\image html uniting_a_set_of_triangles1.png
+\image html uniting_a_set_of_triangles1.png "The chosen triangles"
 
-\image html uniting_a_set_of_triangles2.png
+\image html uniting_a_set_of_triangles2.png "The union of several triangles - several quadrangular cells are created"
 
 <br><b>See Also</b> a sample TUI Script of a 
 \ref tui_uniting_set_of_triangles "Uniting a Set of Triangles" operation.