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

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 110 <h1>Removing nodes and elements</h1>
 111
 112 <p>In MESH you can remove nodes and all types of cells of your mesh. </p>
 113
 114 <p>&nbsp;</p>
 115
 116 <ul type="disc" class="whs1">
 117
 118         <li class=kadov-p><p class="whs2"><a
 119  href="#remove_a_node"
 120         style="font-weight: bold;"><span style="font-weight: bold;"><B>Nodes</a>
 121  </B></span></p></li>
 122
 123         <li class=kadov-p><p class="whs2"><a
 124  href="#remove_an_element"
 125         style="font-weight: bold;">Elements</a></p></li>
 126 </ul>
 127
 128 <p>&nbsp;</p>
 129
 130 <p class=TODO><a name=remove_a_node>To remove a node:</a></p>
 131
 132 <p class=TODO
 133         style="margin-left: 40px;">&nbsp;</p>
 134
 135 <p class="whs3">1. Select your mesh in the Object Browser
 136  or in the 3D viewer.</p>
 137
 138 <p class="whs3">&nbsp;</p>
 139
 140 <p class="whs3">2. From the <span style="font-weight: bold;"><B>Modification
 141  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and
 142  from the associated submenu select the <span style="font-weight: bold;"><B>Remove
 143  nodes</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs4"> icon in the toolbar. The
 144  following dialog box will appear:</p>
 145
 146 <p>&nbsp;</p>
 147
 148 <p class="whs3"><img src="../pics/removenodes.png" x-maintain-ratio="TRUE" width="332px" height="231px" border="0" class="img_whs5"></p>
 149
 150 <p class="whs3">&nbsp;</p>
 151
 152 <p class="whs3">In this dialog box you can specify one or
 153  several nodes (with pressed Shift button) by choosing them in the 3D viewer.</p>
 154
 155 <p class="whs3">&nbsp;</p>
 156
 157 <p class="whs3">3. Click <span style="font-weight: bold;"><B>OK
 158  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to
 159  confirm deletion of the specified nodes.</p>
 160
 161 <p class="whs3">&nbsp;</p>
 162
 163 <p class="whs6"><img src="../note1.gif" x-maintain-ratio="TRUE" width="36px" height="38px" border="0" class="img_whs7">Be careful while removing
 164  nodes because if you remove a definite node of your mesh all adjacent
 165  elements will be also deleted.</p>
 166
 167 <p class="whs3">&nbsp;</p>
 168
 169 <table x-use-null-cells cellspacing="0" width="100%" class="whs8">
 170 <col class="whs9">
 171 <col class="whs10">
 172
 173 <tr valign="top" class="whs11">
 174 <td width="31.569%" class="whs12">
 175 <p><img src="../pics/remove_nodes1.png" x-maintain-ratio="TRUE" width="245px" height="289px" border="0" class="img_whs13"></td>
 176 <td width="68.431%" class="whs14">
 177 <p><img src="../pics/remove_nodes2.png" x-maintain-ratio="TRUE" width="252px" height="288px" border="0" class="img_whs15"></td></tr>
 178 </table>
 179
 180 <p class="whs6">&nbsp;</p>
 181
 182 <p>&nbsp;</p>
 183
 184 <p class=TODO><a name=remove_an_element>To remove an element:</a></p>
 185
 186 <p class=TODO
 187         style="margin-left: 40px;">&nbsp;</p>
 188
 189 <p class="whs3">1. Select your mesh in the Object Browser
 190  or in the 3D viewer.</p>
 191
 192 <p class="whs3">&nbsp;</p>
 193
 194 <p class="whs3">2. From the <span style="font-weight: bold;"><B>Modification
 195  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and
 196  from the associated submenu select the <span style="font-weight: bold;"><B>Remove
 197  elements</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs4"> icon in the toolbar. The
 198  following dialog box will appear:</p>
 199
 200 <p>&nbsp;</p>
 201
 202 <p class="whs3"><img src="../pics/removeelements.png" x-maintain-ratio="TRUE" width="332px" height="231px" border="0" class="img_whs5"></p>
 203
 204 <p class="whs3">&nbsp;</p>
 205
 206 <p class="whs3">In this dialog box you can specify one or
 207  several elements of your mesh (with pressed Shift button) by choosing
 208  them in the 3D viewer.</p>
 209
 210 <p class="whs3">&nbsp;</p>
 211
 212 <p class="whs3">3. Click <span style="font-weight: bold;"><B>OK
 213  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to
 214  confirm deletion of the specified elements.</p>
 215
 216 <p class="whs3">&nbsp;</p>
 217
 218 <table x-use-null-cells cellspacing="0" width="55.882%" class="whs16">
 219 <col class="whs17">
 220 <col class="whs18">
 221
 222 <tr valign="top" class="whs11">
 223 <td width="47.72%" class="whs19">
 224 <p><img src="../pics/remove_elements1.png" x-maintain-ratio="TRUE" width="219px" height="210px" border="0" class="img_whs20"></td>
 225 <td width="52.28%" class="whs21">
 226 <p><img src="../pics/remove_elements2.png" x-maintain-ratio="TRUE" width="240px" height="209px" border="0" class="img_whs22"></td></tr>
 227 </table>
 228
 229 <p class="whs6">&nbsp;</p>
 230
 231 <p>&nbsp;</p>
 232
 233 <p>&nbsp;&nbsp;<span style="font-weight: bold;"><B>See
 234  Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark1">Removing
 235  Nodes and Elements</a> operation. &nbsp;</p>
 236
 237 <p>&nbsp;</p>
 238
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