X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fprojection_algos.doc;h=de11a7ee0e17db89daa865ab09ecd8561e6005fb;hb=83b0c984cc12946923dc2640d68ba3a2700faa28;hp=4cd8b81faf12e0adbabbae19d29b3bc7013148b0;hpb=9a54694a0ab1e5cbc558a35c4606ceea4f7af2ef;p=modules%2Fsmesh.git

diff --git a/doc/salome/gui/SMESH/input/projection_algos.doc b/doc/salome/gui/SMESH/input/projection_algos.doc
index 4cd8b81fa..de11a7ee0 100644
--- a/doc/salome/gui/SMESH/input/projection_algos.doc
+++ b/doc/salome/gui/SMESH/input/projection_algos.doc
@@ -2,9 +2,20 @@
 
 \page projection_algos_page Projection Algorithms
 
-\n Projection algorithms allow to define the mesh of a geometrical
+\tableofcontents
+
+Projection algorithms allow to define the mesh of a geometrical
 object by the projection of another already meshed geometrical object.
 
+\note Source and target geometrical objects mush be topologically
+equal, i.e. they must have same number of sub-shapes, connected to
+corresponding counterparts.
+
+\image html topo_equality.png Topologically equal faces suitable for 2D projection.
+
+
+\section projection_1D Projection 1D
+
 <b>Projection 1D</b> algorithm allows to define the mesh of an edge
 (or group of edges)
 by the projection of another already meshed edge (or group of edges).
@@ -34,6 +45,8 @@ vertices are specified, the edges in the group must be connected.
 The source and target groups must contain equal number of edges
 and they must form topologically equal structures.
 
+\section projection_2D Projection 2D
+
 \n <b>Projection 2D</b> algorithm allows to define the mesh of a face
 (or group of faces) by the projection of another already meshed face
 (or group of faces). This algorithm works only if all edges of the
@@ -59,15 +72,21 @@ In this dialog you can define
     two <b>Target Vertices</b>, which belong to the same edge of the
     face being meshed.</li>
 </ul>
-For groups of face, the groups must contain equal number of faces and
-they must form topologically equal structures. 
-
-\n <b>Projection 1D-2D</b> algorithm differs from <b>Projection 2D</b>
-algorithm in one aspect: it generates mesh segments on edges of
-the face according to the projected 2D elements; thus it does not
-require the edges to be meshed by any other 1D algorithm; moreover it
-does not allow to mesh edges of the face using another algorithm via
-definition of sub-meshes.
+
+The groups of faces are suitable for this algorithm only if they
+contain an equal number of faces and form topologically equal
+structures.
+
+\section projection_1D2D Projection 1D-2D
+
+\n <b>Projection 1D-2D</b> algorithm differs from
+\ref projection_2D algorithm in one aspect: it generates mesh segments
+on edges of the face according to the projected 2D elements; thus it
+does not require the edges to be meshed by any other 1D algorithm;
+moreover it does not allow to mesh edges of the face using another
+algorithm via definition of sub-meshes.
+
+\section projection_3D Projection 3D
 
 \n <b>Projection 3D</b> algorithm allows to define the mesh of a shape by
 the projection of another already meshed shape.  This algorithm works