X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2F1d_meshing_hypo.doc;h=01deffbcd3dd5030cb77f5859b5571bc3367a912;hp=2ab53e44db9639ddb99279c3d31b8e2107fe886e;hb=f6e2eed4240c426f1e65b40d1bd7e8d109a4d4b5;hpb=b8f76a6e3fc33d70c79b0052682a71f3e899964e

diff --git a/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc b/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc
index 2ab53e44d..01deffbcd 100644
--- a/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc
+++ b/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc
@@ -144,12 +144,17 @@ composing your geometrical object. Definition of this hypothesis
 consists of setting the \b length of segments, which will approximate these
 edges, and the \b precision of rounding.
 
-The \b precision parameter is used to round a number of segments,
-calculated by dividing the edge length by the specified \b length of
-segment, to the higher integer if the remainder exceeds the precision
-and to the lower integer otherwise. Use value 0.5 to provide rounding
-to the nearest integer, 1.0 for the lower integer, 0.0 for the higher
-integer. Default value is 1e-07.
+The \b precision parameter is used to round a <em>number of segments</em>,
+calculated by dividing the <em>edge length</em> by the specified \b length of
+segment, to the higher integer if the \a remainder exceeds the \b precision
+and to the lower integer otherwise. <br>
+Use value 0.5 to provide rounding to the nearest integer, 1.0 for the lower integer, 0.0 for the higher integer. Default value is 1e-07.
+
+For example: if <em>edge length</em> is 10.0 and the segment \b length
+is 3.0 then their division gives 10./3. = 3.33(3) and the \a remainder is 0.33(3).
+If \b precision is less than 0.33(3) then the edge is divided into 3 segments.
+If \b precision is more than 0.33(3) then the edge is divided into 4 segments.
+
 
 \image html image41.gif
 
@@ -236,7 +241,7 @@ in the plot the density function curve in red and the node
 distribution as blue crosses. The node distribution is computed in the
 same way as for 
 \ref analyticdensity_anchor "Distribution with Analytic Density". You
-can select the <b>Conversion mode</b> from\b Exponent and <b>Cut
+can select the <b>Conversion mode</b> from \b Exponent and <b>Cut
 negative</b>.
 
 \image html distributionwithtabledensity.png
@@ -245,6 +250,7 @@ negative</b>.
 \ref tui_deflection_1d "Defining Number of Segments" hypothesis
 operation.
 
+\note The plot functionality is available only if GUI module is built with Plot 2D Viewer (option SALOME_USE_PLOT2DVIEWER is ON when building GUI module).
 
 <br>
 \anchor start_and_end_length_anchor
@@ -338,16 +344,24 @@ geometrical model in the 3D Viewer, which can help to understand the
 location of a set of edges within the model.
 
 <b>Propagation chains</b> group allows defining <b>Reversed Edges</b>
-for splitting opposite edges of quadrilateral faces
-in a logically uniform direction. When this group is
-activated, the list is filled with propagation chains found within the
-model. When a chain is selected in the list its edges are
-shown in the Viewer with arrows, which enables choosing a common
-direction for all chain edges. \b Reverse button inverts the common
-direction of chain edges. If \b Add button is active, some
-edges of a chain have a different direction, so you can click \b Add
-button to add them to <b>Reversed Edges</b> list.
+for splitting opposite edges of quadrilateral faces in a logically
+uniform direction. When this group is activated, the list is filled
+with propagation chains found within the shape on which a hypothesis
+is assigned. When a chain is selected in the list its edges are shown
+in the Viewer with arrows, which enables choosing a common direction
+for all chain edges. \b Reverse button inverts the common direction of
+chain edges. \b Add button is active if some edges of a chain have a
+different direction, so you can click \b Add button to add them
+to <b>Reversed Edges</b> list.
 
 \image html propagation_chain.png "The whole geometry and a propagation chain"
 
+\note Alternatively, uniform direction of edges of one propagation
+chain can be achieved by 
+\ref constructing_submeshes_page "definition of a sub-mesh" on one
+edge of the chain and assigning a 
+\ref propagation_anchor "Propagation" additional hypothesis.
+Orientation of this edge (and hence of all the rest edges of the chain) can be
+controlled by using <b>Reversed Edges</b> field.
+
 */