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<title>Working with groups</title>
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<h1>Working with groups</h1>
<p>Creation and editing groups of subshapes of a geometrical object makes
handling subshapes much easier. This functionality is available in OCC
viewer only.</p>
<p> </p>
<p><img src="image56.gif" width="24px" height="22px" border="0" class="img_whs1"> <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="whs2">To create a group of subshapes of a geometrical
object in the main menu select <span style="font-weight: bold;"><B>New entity
> Group > Create</B></span>. </p>
<p class="whs2">The following menu will appear. </p>
<p class="whs2"> </p>
<p class="whs3"><b style="font-weight: bold;"><img src="pics/geomcreategroup.png" x-maintain-ratio="TRUE" width="312px" height="379px" border="0" class="img_whs4"></b></p>
<p class="whs3"> </p>
<p class="whs5">In this Menu: </p>
<p class="whs5"> </p>
<ul type="disc" class="whs6">
<li class=kadov-p><p class="whs5"><span style="font-weight: bold;"><B>Shape
Type</B></span> radio button define the type of elements for the group (points,
lines, planes or shapes). </p></li>
<li class=kadov-p><p class="whs5"><span style="font-weight: bold;"><B>Group
Name</B></span> - here you can enter the name of the group, by default, it
is Group_n.</p></li>
<li class=kadov-p><p class="whs5">Then, using the <img src="image28.gif" width="50px" height="31px" border="0" class="img_whs7"> button, select the <span style="font-weight: bold;"><B>Main
Shape</B></span> (a geometrical object on which the group will be created).
You can select the elements of your group in two ways:</p></li>
<li class=kadov-p><p class="whs8">Clicking
<span style="font-weight: bold;"><B>Select Sub-Shapes</B></span> button you can
select them manually in the 3D Viewer, and add to the group by clicking
the <span style="font-weight: bold;"><B>Add</B></span> button (keep down the
Shift button on the keyboard to select several elements and add all them
together). The indexes of the selected elements will be displayed in the
list. To delete elements from the list, select them and click <span style="font-weight: bold;"><B>Remove</B></span>
button. </p></li>
<li class=kadov-p><p class="whs8">Clicking
<span style="font-weight: bold;"><B>Select All</B></span> button you can add
all object's elements of a certain type in the list of the elements of
the group. To delete elements from the list, select them and click <span
style="font-weight: bold;"><B>Remove</B></span> button. </p></li>
<li class=kadov-p><p class="whs9">Finally,
confirm your selection by clicking <span style="font-weight: bold;"><B>OK
</B></span>(also closes the Menu) or <span style="font-weight: bold;"><B>Apply</B></span>
(leaves the Menu open for creation of other groups), or skip it by clicking
<span style="font-weight: bold;"><B>Close</B></span> button. </p></li>
</ul>
<p class="whs2"> </p>
<p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">The</span>
Result <span style="font-weight: normal;">of the operation will be a</span></b><b>
GEOM_Object<span style="font-weight: normal;">.</span></b></p>
<p class="whs2"> </p>
<p class="whs2"><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="whs2"> </p>
<p class="whs2"><b style="font-weight: bold;">Arguments:</b>
1 Shape + Type of subshape.</p>
<p class="whs2"> </p>
<p class="whs10">Example:</p>
<p class="whs10"> </p>
<p class="whs11"><img src="image193.jpg" width="250px" height="307px" border="0" class="img_whs12"></p>
<p class="whs2"> </p>
<p class="whs2"> </p>
<p class="whs2"> </p>
<p class="whs2"><img src="image57.gif" width="22px" height="22px" border="0" class="img_whs13"> <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="whs2"> </p>
<p class="whs2">To<span style="font-weight: bold;"><B> Edit </B></span>an
existing group in the main menu select <span style="font-weight: bold;"><B>New
entity > Group > Edit</B></span>. This menu is designed in the same
way as the <span style="font-weight: bold;"><B>Create a group</B></span> menu.
</p>
<p class="whs2"> </p>
<p class="whs2"><b style="font-weight: bold;"><span style="font-weight: normal;">The</span>
Result <span style="font-weight: normal;">of the operation will be a</span></b><b>
GEOM_Object<span style="font-weight: normal;">.</span></b></p>
<p> </p>
<p class="whs2"><b style="font-weight: bold;">TUI Command:</b><i>
</i></p>
<ul type="disc" class="whs6">
<li class=kadov-p><p class="whs2"><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="whs2"><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="whs2"><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="whs11"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;">Returns:
List of IDs.</font></span></p>
<p class="whs2"> </p>
<p class="whs2"><b style="font-weight: bold;">Arguments:</b>
1 Shape + its subshapes.</p>
<p class="whs2"> </p>
<p class="whs2"><b style="font-weight: bold;">Dialog Box:</b></p>
<p class="whs2"> </p>
<p class="whs14"><b style="font-weight: bold;"><img src="pics/editgroup.png" x-maintain-ratio="TRUE" width="312px" height="379px" border="0" class="img_whs15"></b></p>
<p class="whs14"> </p>
<p class="whs2">Our <span style="font-weight: bold;"><B>TUI Scripts</B></span>
provide you with useful examples of <a href="working_with_groups.htm">Working
with Groups</a>. </p>
<p> </p>
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