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< h1 > Cutting quadrangles< / h1 >
< p > < img src = "../i_blue.jpg" x-maintain-ratio = "TRUE" width = "30px" height = "30px" border = "0" class = "img_whs1" > This operation allows to cut one or several quadrangle
elements by addition of a supplementary edge which will connect two opposite
corners. < / p >
< p > < / p >
< p class = TODO > To cut quadrangles:< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > 1. Display a mesh or a submesh in the 3D
viewer.< / p >
< p class = "whs2" > 2. In the < span style = "font-weight: bold;" > < B > Modification
< / B > < / span > menu select the < span style = "font-weight: bold;" > < B > Cutting of quadrangles
< / B > < / span > item or click < img src = "../image82.gif" width = "25px" height = "22px" border = "0" class = "img_whs3" > button in the toolbar. The following
dialog box will appear:< / p >
< p > < / p >
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< p class = "whs2" > < img src = "../pics/a-cuttingofquadrangles.png" x-maintain-ratio = "TRUE" width = "306px" height = "525px" border = "0" class = "img_whs4" > < / p >
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< p > < / p >
< ul type = "disc" class = "whs5" >
< li class = kadov-p > < p class = "whs6" > < span
style="font-weight: bold;">< B > The main list < / B > < / span > shall contain the quadrangles
which will be cutted. You can click on an quadrangle 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 quadrangle will be added to the list.
To remove a selected element or elements from the list click the < span
style="font-weight: bold;">< B > Remove < / B > < / span > button. The < span style = "font-weight: bold;" > < B > Sort
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< / B > < / span > button allows to sort the list of IDs. The < span style = "font-weight: bold;" > < B > F< / B > < / span > < span
style="font-weight: bold;">< B > ilter < / B > < / span > button allows to apply a definite
filter to selection of quadrangles.< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > < span
style="font-weight: bold;">< B > Apply to all < / B > < / span > radio button allows to
modify the orientation of all quadrangles of the currently displayed mesh
or submesh.< / p > < / li >
< li class = kadov-p > < p class = "whs6" > < span
style="font-weight: bold;">< B > Use diagonal 2-4 < / B > < / span > radio button allows
to specify the opposite corners which will be connected by the cutting
edge.< / p > < / li >
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< li class = kadov-p > < p class = "whs7" > Preview
< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > < span
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style="font-weight: bold;">< B > Criterion< / B > < / span > menu allows to apply the operation
only to those object which meet the chosen criterion (from the list of
Quality Controls, i.e. Skew, Warping, Minimum Angle, etc.)< / p > < / li >
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< li class = kadov-p > < p class = "whs6" > < span
style="font-weight: bold;">< B > Select from < / B > < / span > set of fields allows to
choose a submesh or an existing group whose quadrangle elements will be
automatically added to the list.< / p > < / li >
< / ul >
< p class = "whs2" > < / p >
< p class = "whs2" > 3. Click the < span style = "font-weight: bold;" > < B > Apply
< / B > < / span > or < span style = "font-weight: bold;" > < B > OK < / B > < / span > button to confirm
the operation.< / p >
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< p class = "whs2" > < / p >
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< table x-use-null-cells cellspacing = "0" width = "100%" class = "whs8" >
< col class = "whs9" >
< col class = "whs9" >
< tr valign = "top" class = "whs10" >
< td width = "50%" class = "whs11" >
< p > < img src = "../image52.jpg" width = "353px" height = "300px" border = "0" class = "img_whs12" > < / td >
< td width = "50%" class = "whs13" >
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< / table >
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< p class = "whs14" > < / p >
< p > < span style = "font-weight: bold;" > < B > See
Also< / B > < / span > a sample TUI Script of a < a href = "../modifying_meshes.htm#bookmark7" > Cutting
Quadrangles< / a > operation. < / p >
< p > < / p >
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