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<title>Working with groups</title>
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<h1>Working with groups</h1>
<p>The <span style="font-style: italic;"><I>Salome</I></span> platform offers
such a useful functionality as creation and editing groups of subshapes
of a geometrical object which makes handling subshapes much easier. However
the functionality is available in the OCC viewer only. If other viewer
is used in your project by default, you can toggle the OCC viewer via
Preferences / Viewer background / OCC viewer. </p>
<p> </p>
<p class=TODO>To perform operations with groups:</p>
<p class=TODO> </p>
<p class="whs1">In the main menu select <span style="font-weight: bold;"><B>New
entity > Group</B></span>.</p>
<p> </p>
<p><img src="image56.gif" width="24px" height="22px" border="0" class="img_whs2"> <span style="font-weight: bold; font-size: 14pt;"><font size=4 style="font-size:14pt;"><B>Create
a group</B></font></span></p>
<p> </p>
<p class="whs3"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;">Description:</b>
Creates a group of subshapes of a geometrical object.</font></span></p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Result:</b> GEOM_Object.</p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">TUI Command:</b><i>
</i><span style="font-style: italic;"><I>geompy.CreateGroup(MainShape, ShapeType)</I></span>,
where MainShape is a shape for which the group is created, ShapeType is
a type of shapes in the created group.</p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Arguments:</b>
1 Shape + Type of subshape.</p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Dialog Box:</b></p>
<p class="whs3"> </p>
<p class="whs4"><b style="font-weight: bold;"><img src="image192.jpg" width="200px" height="224px" border="0" class="img_whs5"></b></p>
<p class="whs3"> </p>
<p class="whs6">Example:</p>
<p class="whs6"> </p>
<p class="whs4"><img src="image193.jpg" width="250px" height="307px" border="0" class="img_whs7"></p>
<p class="whs3"> </p>
<p class="whs3"> </p>
<p class="whs3"> </p>
<p class="whs3"><img src="image57.gif" width="22px" height="22px" border="0" class="img_whs8"> <span style="font-weight: bold; font-size: 14pt;"><font size=4 style="font-size:14pt;"><B>Edit
a group</B></font></span></p>
<p class="whs3"> </p>
<p class="whs3"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;">Description:</b>
Allows to edit the existing group.</font></span></p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Result:</b> GEOM_Object.</p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">TUI Command:</b><i>
</i></p>
<ul type="disc" class="whs9">
<li class=kadov-p><p class="whs3"><i><span style="font-style: italic;"><I>g</i>eompy.AddObject(Group,
SubShapeID)</I></span>, where Group is a group to which a sub shape has to
be added, SubShapeID is an ID of the sub shape to be added to the group</p></li>
<li class=kadov-p><p class="whs3"><span style="font-style: italic;"><I>geompy.RemoveObject(Group,
SubShapeID)</I></span>, where Group is a group from which a sub shape has
to be removed, SubShapeID is an ID of the sub shape to be removed from
the group</p></li>
<li class=kadov-p><p class="whs3"><span style="font-style: italic;"><I>geompy.GetObjectIDs(Group)</I></span>,
where Group is a group for which its object ID�s are returned. </p></li>
</ul>
<p class="whs4"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">Returns:
List of IDs.</font></span></p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Arguments:</b>
1 Shape + its subshapes.</p>
<p class="whs3"> </p>
<p class="whs3"><b style="font-weight: bold;">Dialog Box:</b></p>
<p class="whs3"> </p>
<p class="whs4"><b style="font-weight: bold;"><img src="image194.jpg" width="200px" height="226px" border="0" class="img_whs10"></b></p>
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