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-<h1>Uniting a set of triangles</h1>
-
-<p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> In contrast to <a href="uniting_two_triangles.htm">the
- previous operation</a> this one allows to unite at once many triangles
- if they have adjacent edges. </p>
-
-<p> </p>
-
-<p class=TODO>To union several triangles:</p>
-
-<p class=TODO> </p>
-
-<p class="whs2"><img src="../pics/a-unionoftriangles.png" x-maintain-ratio="TRUE" width="306px" height="450px" border="0" class="img_whs3"></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>Union of triangles
- </B></span>item or click <img src="../image80.gif" width="23px" height="24px" border="0" class="img_whs4"> button in the toolbar. The following
- dialog box will appear:</p>
-
-<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 triangles
- which will be united. You can click on an triangle 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 triangle 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 </B></span>button
- allows to sort the list of IDs. The <span style="font-weight: bold;"><B>Set
- filter </B></span>button allows to apply a definite filter to selection of
- triangles.</p></li>
-
- <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 triangles of the currently displayed mesh
- or submesh.</p></li>
-
- <li class=kadov-p><p class="whs6"><span
- 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>
-
- <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 triangle 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>
-
-<p class="whs7"> </p>
-
-<p class="whs7"><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> If some selected triangle
- elements have no adjacent edges with one of the others, the operation
- on these elements shall take no effect.</p>
-
-<p> </p>
-
-<p><img src="../pics/uniting_a_set_of_triangles1.png" x-maintain-ratio="TRUE" width="286px" height="242px" border="0" class="img_whs8"> <img src="../pics/uniting_a_set_of_triangles2.png" x-maintain-ratio="TRUE" width="286px" height="242px" border="0" class="img_whs9"></p>
-
-<p> </p>
-
-<p> <span style="font-weight: bold;"><B>See
- Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark5">Uniting
- a Set of Triangles</a> operation. </p>
-
-<p> </p>
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