doc/salome/gui/SMESH/files/uniting_a_set_of_triangles.htm

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   6 <title>Uniting a set of triangles</title>
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  97 <h1>Uniting a set of triangles</h1>
  98
  99 <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
 100  previous operation</a> this one allows to unite at once many triangles
 101  if they have adjacent edges. </p>
 102
 103 <p>&nbsp;</p>
 104
 105 <p class=TODO>To union several triangles:</p>
 106
 107 <p class=TODO>&nbsp;</p>
 108
 109 <p class="whs2"><img src="../pics/a-unionoftriangles.png" x-maintain-ratio="TRUE" width="306px" height="450px" border="0" class="img_whs3"></p>
 110
 111 <p class="whs2">&nbsp;</p>
 112
 113 <p class="whs2">1. Display a mesh or a submesh in the 3D
 114  viewer.</p>
 115
 116 <p class="whs2">2. In the <span style="font-weight: bold;"><B>Modification
 117  </B></span>menu select the <span style="font-weight: bold;"><B>Union of triangles
 118  </B></span>item or click <img src="../image80.gif" width="23px" height="24px" border="0" class="img_whs4"> button in the toolbar. The following
 119  dialog box will appear:</p>
 120
 121 <p>&nbsp;</p>
 122
 123 <ul type="disc" class="whs5">
 124
 125         <li class=kadov-p><p class="whs6"><span
 126  style="font-weight: bold;"><B>The main list </B></span>shall contain the triangles
 127  which will be united. You can click on an triangle in the 3D viewer and
 128  it will be highlighted. After that click the <span style="font-weight: bold;"><B>Add
 129  </B></span>button and the ID of this triangle will be added to the list. To
 130  remove a selected element or elements from the list click the <span style="font-weight: bold;"><B>Remove
 131  </B></span>button. The <span style="font-weight: bold;"><B>Sort </B></span>button
 132  allows to sort the list of IDs. The <span style="font-weight: bold;"><B>Set
 133  filter </B></span>button allows to apply a definite filter to selection of
 134  triangles.</p></li>
 135
 136         <li class=kadov-p><p class="whs6"><span
 137  style="font-weight: bold;"><B>Apply to all </B></span>radio button allows to
 138  modify the orientation of all triangles of the currently displayed mesh
 139  or submesh.</p></li>
 140
 141         <li class=kadov-p><p class="whs6"><span
 142  style="font-weight: bold;"><B>Criterion</B></span> menu allows to apply the operation
 143  only to those object which meet the chosen criterion (from the list of
 144  Quality Controls, i.e. Skew, Warping, Minimum Angle, etc.)</p></li>
 145
 146         <li class=kadov-p><p class="whs6"><span
 147  style="font-weight: bold;"><B>Select from </B></span>set of fields allows to
 148  choose a submesh or an existing group whose triangle elements will be
 149  automatically added to the list.</p></li>
 150 </ul>
 151
 152 <p class="whs2">&nbsp;</p>
 153
 154 <p class="whs2">3. Click the <span style="font-weight: bold;"><B>Apply
 155  </B></span>or <span style="font-weight: bold;"><B>OK </B></span>button to confirm
 156  the operation.</p>
 157
 158 <p class="whs7">&nbsp;</p>
 159
 160 <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
 161  elements have no adjacent edges with one of the others, the operation
 162  on these elements shall take no effect.</p>
 163
 164 <p>&nbsp;</p>
 165
 166 <p><img src="../pics/uniting_a_set_of_triangles1.png" x-maintain-ratio="TRUE" width="286px" height="242px" border="0" class="img_whs8"> &nbsp;&nbsp;&nbsp;<img src="../pics/uniting_a_set_of_triangles2.png" x-maintain-ratio="TRUE" width="286px" height="242px" border="0" class="img_whs9"></p>
 167
 168 <p>&nbsp;</p>
 169
 170 <p>&nbsp;<span style="font-weight: bold;"><B>See
 171  Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark5">Uniting
 172  a Set of Triangles</a> operation. &nbsp;</p>
 173
 174 <p>&nbsp;</p>
 175
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