X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fconstructing_submeshes.doc;h=917fd5f65e434515d46350c874b401e55705569d;hb=9ab3722c1b5f134261069e4a7fefe6b9c10820a9;hp=f300d6f50e125a426e201beabb7fb09452c6b277;hpb=bd4e115a78b52e3fbc016e5e30bb0e19b2a9e7d6;p=modules%2Fsmesh.git

diff --git a/doc/salome/gui/SMESH/input/constructing_submeshes.doc b/doc/salome/gui/SMESH/input/constructing_submeshes.doc
index f300d6f50..917fd5f65 100644
--- a/doc/salome/gui/SMESH/input/constructing_submeshes.doc
+++ b/doc/salome/gui/SMESH/input/constructing_submeshes.doc
@@ -4,8 +4,8 @@
 
 Sub-mesh is a mesh on a geometrical sub-object created with algorithms
 and/or hypotheses other than the algorithms and hypotheses assigned to
-the parent mesh on the parent object.
-<br><br>
+the parent mesh on the parent geometrical object.
+
 If a geometrical sub-object belongs to several geometrical objects
 having different meshes or sub-meshes, it will be meshed with the
 hypotheses of a sub-mesh of a lower dimension.<br>
@@ -18,7 +18,9 @@ while the box is a 3D object.  <br>
  will be used. This means that an edge shared by two faces each having
  its own different sub-mesh, will be meshed using algorithms and
  hypotheses of any of the two, chosen randomly. This indeterminacy can
- be fixed by defining \ref submesh_order_anchor "Sub-mesh priority".
+ be fixed by defining \ref submesh_order_anchor "Sub-mesh priority". The
+ default sub-meshes priority is such that multi-dimensional algorithms
+ are processed first.
 <br>
 
 \n Construction of a sub-mesh consists of:
@@ -36,12 +38,15 @@ at computation of this sub-mesh</li>
 From the \b Mesh menu select <b>Create Sub-mesh</b> or click <em>"Create
 Sum-mesh"</em> button in the toolbar.
 
-\image html image33.gif
-<center><em>"Create Sub-mesh" button</em></center>
+<center>
+  \image html image33.gif
+  <em>"Create Sub-mesh" button</em>
+</center>
 
 \par
 The following dialog box will appear:
 
+\par
 \image html createmesh-inv2.png
 
 \par
@@ -50,6 +55,35 @@ Geometry (e.g. a face if the parent mesh has been built on box) of the
 sub-mesh. You can define algorithms and hypotheses in the same way as
 in \ref constructing_meshes_page "Create mesh" menu.
 
+\par
+If the parent mesh is already computed, then you can define the
+\b Geometry by picking mesh elements computed on a sub-shape of interest
+in the 3D Viewer, i.e. you do not have to extract this sub-shape
+in Geometry module beforehand. To start element selection, press \a
+Selection button to the right of \b Geometry label. If this button is
+already down, then click it to release and then click it again. The
+following pop-up menu allowing to choose a way of geometry definition will
+appear.
+
+\par
+\image html choose_geom_selection_way.png
+
+\par
+<b>Direct geometry selection</b> enables selecting the sub-shape in the Object
+Browser.
+<b>Find geometry by mesh element selection</b> activates the following dialog.
+
+\par
+\image html find_geom_by_mesh_elem.png
+
+\par
+In this dialog, <b> Element Type </b> defines kind of element to pick in the
+Viewer. 
+Instead of picking an element in the Viewer, you can type its
+ID in <b> Element ID</b> field. 
+<b> Geometry name </b> field allows defining a name of the sub-shape.
+
+
 \par
 In the Object Browser the structure of the new sub-mesh will be
 displayed as follows: