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< h1 > Creating groups< / h1 >
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< p class = "whs1" > < img src = "../i_blue.jpg" x-maintain-ratio = "TRUE" width = "30px" height = "30px" border = "0" class = "img_whs2" > < span
style="font-weight: normal;">In MESH you
can create groups of elements of different types. To create a group of
elements< / span > < span style = "font-weight: normal; margin-left: 40px;" >
in the < / span > < span style = "margin-left: 40px;" > Mesh< / span > < span style = "font-weight: normal; margin-left: 40px;" >
menu select < / span > < span style = "margin-left: 40px;" > Create Group< / span > < span
style="font-weight: normal; margin-left: 40px;">.< / span > < span style = "margin-left: 40px;" >
< / span > < / p >
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< p class = "whs3" > To create any group
you should define the following: < / p >
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< ul type = "disc" class = "whs4" >
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< li class = kadov-p > < p class = "whs5" > Mesh:
< span style = "font-weight: normal;" > the name of the mesh whose elements
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will form your group. You can select your mesh in the Objet Browser or
in the 3D viewer.< / span > < / p > < / li >
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< li class = kadov-p > < p class = "whs3" > < span
style="font-weight: bold;">< B > Elements< / B > < / span > < span style = "font-weight: bold;" > < B > Type< / B > < / span >
set of radio buttons allows to select the type of elements which will
form your group:< / p > < / li >
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< ul type = "disc" class = "whs4" >
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< li class = kadov-p > < p class = "whs6" > Nodes< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > Edges
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< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > Faces< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > Volumes< / p > < / li >
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< / ul >
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< li class = kadov-p > < p class = "whs3" > < span
style="font-weight: bold;">< B > Name < / B > < / span > field allows to enter the name
of your new group.< / p > < / li >
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< / ul >
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< p class = "whs3" > SALOME Platform distinguishes
between the two Group types: < span style = "font-weight: bold;" > < B > Standalone
Group< / B > < / span > and < span style = "font-weight: bold;" > < B > Group on Geometry< / B > < / span > .
< / p >
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< h3 > Standalone Group < / h3 >
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< p class = "whs7" > < span style = "font-weight: bold;" > < B > Standalone
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Group< / B > < / span > consists of mesh elements, which you can define in two possible
ways.< / p >
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< ul type = "disc" class = "whs4" >
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< li class = kadov-p > < p class = "whs8" > Choosing them manually
with the mouse in the 3D Viewer. You can click on an element in the 3D
viewer and it will be highlighted. After that click the < span style = "font-weight: bold;" > < B > Add
< / B > < / span > button and the ID of this element will be added to the list. < / p > < / li >
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< li class = kadov-p > < p class = "whs7" > Applying Filters. The
< span style = "font-weight: bold;" > < B > Set filter < / B > < / span > button allows to apply
a definite filter to selection of the elements of your group. See more
about filters on the < a href = "../selection_filter_library.htm" > Selection
filter library< / a > page. < / p > < / li >
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< / ul >
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< p class = "whs7" > To remove a selected element or elements
from the list click the < span style = "font-weight: bold;" > < B > Remove < / B > < / span > button.
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The < span style = "font-weight: bold;" > < B > Sort List < / B > < / span > button allows to
sort the list of IDs of mesh elements. < / p >
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< p class = "whs7" > < span style = "font-weight: bold;" > < B > Select from
< / B > < / span > set of fields allows to choose a submesh or an existing group whose
elements of the previously defined type will be added to the list of elements
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which will form your group. < / p >
< p class = "whs7" > < span style = "font-weight: bold;" > < B > Color Number< / B > < / span >
(integer only, ranging from 0 to 9999) - allows to assign to the group
a certain index, for example, defining boundary conditions. This feature
introduces a useful element of preprocessing in Mesh module. Note that
< span style = "font-weight: bold;" > < B > Color number< / B > < / span > attribute has nothing
to do with the colors used for the display of the elements of the group.< / p >
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< p class = "whs7" > < / p >
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< table x-use-null-cells cellspacing = "0" width = "100%" class = "whs9" >
< col class = "whs10" >
< col class = "whs11" >
< tr valign = "top" class = "whs12" >
< td width = "33.382%" class = "whs13" >
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< p class = "whs1" > < img src = "../pics/creategroup.png" x-maintain-ratio = "TRUE" width = "312px" height = "621px" border = "0" class = "img_whs14" > < / td >
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< td width = "66.618%" class = "whs15" >
< p class = "whs16" > < img src = "../image130.gif" width = "145px" height = "150px" align = "left" border = "0" class = "img_whs17" > < / p >
< p class = "whs16" > < / p >
< p class = "whs16" > < / p >
< p class = "whs16" > < / p >
< p class = "whs16" > < / p >
< p class = "whs16" > < / p >
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< p class = "whs16" > In this picture the brown cells belong to
a group defined manually.< / p >
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< p class = "whs16" > < / p >
< p class = "whs16" > < img src = "../image131.gif" width = "149px" height = "158px" border = "0" class = "img_whs18" > In this picture the brown cells belong to the group defined
by the criterion < br >
Taper > 0. < / p >
< p class = "whs16" > < / p >
< p class = "whs16" > < / td > < / tr >
< / table >
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< p class = "whs7" > < / p >
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< p class = "whs5" > See
Also a sample TUI Script of a < a href = "../grouping_elements.htm#bookmark" > Create
a Standalone Group< / a > operation. < / p >
< h3 > Group on Geometry < / h3 >
< p class = "whs3" > To create a group on
geometry check < span style = "font-weight: bold;" > < B > Group on geometry< / B > < / span >
in the < span style = "font-weight: bold;" > < B > Group type< / B > < / span > field. < span
style="font-weight: bold;">< B > Group on geometry < / B > < / span > contains the elements
of a certain type belonging to the selected< span style = "font-weight: bold;" >
< B > < / B > < / span > geometrical object. To define a group select in the Objet Browser
or in the 3D viewer a geometrical object from which the elements will
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be taken. After confirmation of the operation a new group of mesh elements
will be created.< / p >
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< p class = "whs3" > < / p >
< table x-use-null-cells cellspacing = "0" width = "100%" class = "whs9" >
< col class = "whs19" >
< col class = "whs20" >
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< tr valign = "top" class = "whs21" >
< td width = "33.48%" class = "whs22" >
< p > < img src = "../pics/a-creategroup.png" x-maintain-ratio = "TRUE" width = "312px" height = "312px" border = "0" class = "img_whs23" > < / td >
< td width = "66.52%" class = "whs24" >
< p > < img src = "../image132.gif" width = "135px" height = "150px" border = "0" class = "img_whs25" > In this picture the cells which belong to a certain face
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are selected in green. < / td > < / tr >
< / table >
< p class = "whs3" > < / p >
< p class = "whs6" > See
Also a sample TUI Script of a < a href = "../grouping_elements.htm#bookmark5" > Create
a Group on Geometry< / a > < a href = "../grouping_elements.htm#bookmark" > < / a > operation.
< / p >
< p > < / p >
< p > < / p >
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< p class = "whs16" > < / p >
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< p class = "whs26" > < / p >
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< p > < / p >
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