X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FFeaturesPlugin%2Fdoc%2FunionFeature.rst;h=989e9368477b16828be907694cf6a4171f46bf79;hb=79470833af46e5a11abc700ebd07a26ec3e2d5a0;hp=6e3d9a2b0c474682fb659a2e03ddd6eec2b9d37d;hpb=547a3952b37fe76f0d4e031a7d8a943ac6a45bb5;p=modules%2Fshaper.git

diff --git a/src/FeaturesPlugin/doc/unionFeature.rst b/src/FeaturesPlugin/doc/unionFeature.rst
index 6e3d9a2b0..989e93684 100644
--- a/src/FeaturesPlugin/doc/unionFeature.rst
+++ b/src/FeaturesPlugin/doc/unionFeature.rst
@@ -1,10 +1,44 @@
+.. |union_btn.icon|    image:: images/union_btn.png
 
 Union
 =====
 
+Union feature implements a Boolean operation for creation of a union of selected objects.
 
-.. image:: images/Union.png
-  :align: center
+To create a Union in the active part:
 
-.. centered::
-  Union definition
+#. select in the Main Menu *Features - > Union* item  or
+#. click |union_btn.icon| **Union** button in the toolbar
+
+The following property panel will be opened:
+
+.. figure:: images/Union.png
+   :align: center
+
+   **Union operation**
+
+Here it is necessary to select some objects. Only faces with shared edges or solids with shared faces are allowed for selection.
+
+**Apply** button creates a union shape.
+  
+**Cancel** button cancels the operation.
+
+**TUI Command**:
+
+.. py:function:: model.addUnion(Part_doc, objects)
+
+    :param part: The current part object.
+    :param objects: A list of objects.
+    :return: Result object.
+
+Result
+""""""
+
+The Result of the operation will be a shape which is a union of selected objects:
+
+.. figure:: images/CreatedUnion.png
+   :align: center
+
+   **Union created**
+
+**See Also** a sample TUI Script of :ref:`tui_create_union` operation.