X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fprojection_algos.doc;h=de11a7ee0e17db89daa865ab09ecd8561e6005fb;hp=e2f68a8974a25633cfbebab8c650032215d6527b;hb=62336a394b80b503991ff801f2ebf7feff47e7f0;hpb=016f5df550d25bb3c661ed0a42df7b08b928f4d3

diff --git a/doc/salome/gui/SMESH/input/projection_algos.doc b/doc/salome/gui/SMESH/input/projection_algos.doc
index e2f68a897..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
@@ -60,14 +73,20 @@ In this dialog you can define
     face being meshed.</li>
 </ul>
 
-The groups of faces are suitable for this algorithm only if they contain an equal number of faces and form topologically equal structures. 
+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.
 
-\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.
+\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