X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FGEOM%2Finput%2Fcommon_operation.doc;h=804fcfafb265f05a8fc0bef70a3ca9ed59308a7c;hb=97d9c2c6b1eb1b8c37b74e9409ebdb89c42c8c27;hp=c9bca9897311f73889b4774be39b92450a64fa05;hpb=265dfeb97b0a5da55c2dfa2ac96666c7e2a5164e;p=modules%2Fgeom.git

diff --git a/doc/salome/gui/GEOM/input/common_operation.doc b/doc/salome/gui/GEOM/input/common_operation.doc
index c9bca9897..804fcfafb 100644
--- a/doc/salome/gui/GEOM/input/common_operation.doc
+++ b/doc/salome/gui/GEOM/input/common_operation.doc
@@ -2,22 +2,38 @@
 
 \page common_operation_page Common
 
-To produce a \b Common operation in the <b>Main Menu</b> select <b>Operations - > Boolean - > Common</b>
+\b Common operation cuts the common part of a list of shapes and transforms it into an independent geometrical object.
 
-This operation cuts the common part of a list of shapes and transforms it into an independent geometrical object.
+To produce it, select in the main menu  <b>Operations - > Boolean - > Common</b>.
 
-The \b Result will be a \b GEOM_Object.
+\image html bool2.png "Common dialog"
 
-<b>TUI Command:</b> <em>geompy.MakeCommonList(theShapesList, checkSelfInte)</em>\n
-<b>Arguments:</b> Name + a list of shapes + an optional flag for self-intersection check.\n
-<b>Advanced option:</b>
-\ref restore_presentation_parameters_page "Set presentation parameters and sub-shapes from arguments".
+In this dialog:
+- Input or accept the default \b Name of the resulting shape. 
+- Click the arrow button and select in the Object Browser or in the Viewer the <b>Objects</b> the common part which of should be found.
+- Activate the corresponding check-box if you wish to <b> Detect Self-intersections </b>
+- Activate \ref restore_presentation_parameters_page "Advanced options" if required.
+- Press "Apply" or "Apply & Close" button to get the result (GEOM_Object).
 
-\image html bool2.png "Common dialog"
 
-For a particular case with two shapes for the Common operation there is the following TUI command:
+\note This algorithm does not find all types of self-intersections. It is tuned
+      to detect vertex/vertex, vertex/edge, edge/edge, vertex/face and edge/face
+      intersections. Face/face intersections detection is switched off as it
+      is a time-consuming operation that gives an impact on performance. To find
+      all self-intersections use \ref check_self_intersections_page
+      "Detect Self-intersection tool".
+	  
+	  
+This operation can be performed using a <b>TUI Command:</b> 
+
+<em>geompy.MakeCommonList(theShapesList, checkSelfInte)</em>
+
+<b>Arguments:</b> Name + a list of shapes + an optional flag for self-intersection check.
+
+There is also a special <b>TUI Command</b> for the Common operation on two shapes :
+
+<em>geompy.MakeCommon(s1, s2, checkSelfInte)</em>
 
-<b>TUI Command:</b> <em>geompy.MakeCommon(s1, s2, checkSelfInte)</em>\n
 <b>Arguments:</b> Name + 2 shapes + an optional flag for self-intersection check.
 
 <b>Example:</b>
@@ -31,8 +47,7 @@ Our <b>TUI Scripts</b> provide you with useful examples of the use of
 
 <b> More details </b>
 
-For a detailed description of the Boolean operations please refer to
-<a href="SALOME_BOA_PA.pdf">this document</a>.
+Please, refer to <a href="SALOME_BOA_PA.pdf">this document</a> for a detailed description of Boolean operations.
 It provides a general review of the Partition and Boolean
 operations algorithms, describes the usage methodology and highlights
 major limitations of these operations.