X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fabout_meshes.doc;h=621a47e990cd5cb5febd22133da91b94cdafbd3d;hp=14b7a54413234968436d9dc87fb7a4693727c8ca;hb=82a86d922ea23de26a081646419639237faeb1b5;hpb=b8f76a6e3fc33d70c79b0052682a71f3e899964e

diff --git a/doc/salome/gui/SMESH/input/about_meshes.doc b/doc/salome/gui/SMESH/input/about_meshes.doc
index 14b7a5441..621a47e99 100644
--- a/doc/salome/gui/SMESH/input/about_meshes.doc
+++ b/doc/salome/gui/SMESH/input/about_meshes.doc
@@ -3,14 +3,19 @@
 \page about_meshes_page About meshes
 
 \n \b MESH represents a discrete approximation of a subset of the
-three-dimensional space by \ref mesh_entities "elementary geometrical elements".
+three-dimensional space by \ref mesh_entities "elementary geometrical
+elements".
+
+A SALOME study can contain multiple meshes, but they do not
+implicitly compose one super-mesh, and finally each of them
+can be used (e.g. exported) only individually.
 
 Mesh module provides several ways to create the mesh:
 <ul>
   <li>The main way is to \subpage constructing_meshes_page "construct the mesh" 
     on the basis of the geometrical shape produced in the Geometry
     module. This way implies selection of 
-    - a geometrical object (<em> main shape</em>) and
+    - a geometrical object (<em>main shape</em>) and
     - <em>meshing parameters</em> (\ref
       basic_meshing_algos_page "meshing algorithms" and
     characteristics (e.g. element size) of a
@@ -19,7 +24,7 @@ Mesh module provides several ways to create the mesh:
 
     Construction of \subpage constructing_submeshes_page "sub-meshes"
     allows to discretize some sub-shapes of the main shape, for example a face,
-    using the meshing parameters that differ from those for other sub-shapes.<br>
+    using the meshing parameters that differ from those used for other sub-shapes.<br>
     Meshing parameters of meshes and sub-meshes can be 
     \subpage editing_meshes_page "edited". (Upon edition only mesh entities
     generated using changed meshing parameters are removed and will be
@@ -39,11 +44,11 @@ Mesh module provides several ways to create the mesh:
     (and exported to) the file in MED, UNV, STL, CGNS, DAT, GMF and
     SAUVE formats.
   </li>
-  <li>The 3D mesh can be generated from the 2D mesh, \ref
+  <li>The 3D mesh can be generated from the 2D mesh, which was \ref
     importing_exporting_meshes_page "imported" or manually created. To
     setup the meshing parameters of a mesh not based on a geometry, just
     invoke \ref editing_meshes_page "Edit mesh / sub-mesh" command on
-    your 3D mesh.
+    your 2D mesh.
   </li>
   <li>Several meshes can be \subpage building_compounds_page "combined"
     into a new mesh.
@@ -97,13 +102,18 @@ generated on (if any). The node generated on the geometrical edge or
 surface in addition stores its position in parametric space of the
 associated geometrical entity.
 
+Mesh entities are identified by integer IDs starting from 1.
+Nodes and elements are counted separately, i.e. there can be a node
+and element with the same ID.
+
 SALOME supports elements of second order, without a central node
-(quadratic triangle, quadrangle, tetrahedron, hexahedron, pentahedron
-and pyramid) and with central nodes (bi-quadratic triangle and
-quadrangle and tri-quadratic hexahedron).<br>
-Quadratic mesh can be obtained in two ways:
+(quadratic triangle, quadrangle, polygon, tetrahedron, hexahedron,
+pentahedron and pyramid) and with central nodes (bi-quadratic triangle
+and quadrangle and tri-quadratic hexahedron).<br>
+Quadratic mesh can be obtained in three ways:
 - Using a global \ref quadratic_mesh_anchor "Quadratic Mesh"
 hypothesis. (Elements with the central node are not generated in this way).
 - Using \ref convert_to_from_quadratic_mesh_page operation.
-
+- Using an appropriate option of some meshing algorithms, which
+generate elements of several dimensions starting from mesh segments.
 */