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

   1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">\r
   2 \r
   3 <html>\r
   4 \r
   5 <!--(==============================================================)-->\r
   6 <!--(Document created with RoboEditor. )============================-->\r
   7 <!--(==============================================================)-->\r
   8 \r
   9 <head>\r
  10 \r
  11 <title>Removing nodes and elements</title>\r
  12 \r
  13 <!--(Meta)==========================================================-->\r
  14 \r
  15 <meta http-equiv=content-type content="text/html; charset=windows-1252">\r
  16 <meta name=generator content="RoboHELP by eHelp Corporation - www.ehelp.com">\r
  17 <meta name=generator-major-version content=0.1>\r
  18 <meta name=generator-minor-version content=1>\r
  19 <meta name=filetype content=kadov>\r
  20 <meta name=filetype-version content=1>\r
  21 <meta name=page-count content=1>\r
  22 <meta name=layout-height content=1633>\r
  23 <meta name=layout-width content=765>\r
  24 \r
  25 \r
  26 <!--(Links)=========================================================-->\r
  27 \r
  28  <link rel='stylesheet' href='../default_ns.css'>\r
  29 <script type="text/javascript" language="JavaScript" title="WebHelpSplitCss">\r
  30 <!--\r
  31 if (navigator.appName !="Netscape")\r
  32 {   document.write("<link rel='stylesheet' href='../default.css'>");}\r
  33 //-->\r
  34 </script>\r
  35 <style type="text/css">\r
  36 <!--\r
  37 p.whs1 {margin-left: 40px;}\r
  38 img_whs2 {border-style: none; border: none; width: 27px; height: 25px;}\r
  39 img_whs3 {border-style: none; border: none; width: 315px; height: 217px;}\r
  40 p.whs4 {margin-left: 0px;}\r
  41 img_whs5 {border-style: none; border: none; width: 36px; height: 38px; float: none;}\r
  42 table.whs6 {x-cell-content-align: top; width: 100%; border-spacing: 0; border-spacing: 0px;}\r
  43 col.whs7 {width: 50%;}\r
  44 tr.whs8 {x-cell-content-align: top;}\r
  45 td.whs9 {width: 50%; padding-right: 10px; padding-left: 10px; border-right-style: none; border-left-style: none; border-top-style: none; border-bottom-style: none;}\r
  46 img_whs10 {border-style: none; border: none; width: 350px; height: 183px;}\r
  47 td.whs11 {width: 50%; padding-right: 10px; padding-left: 10px; border-top-style: none; border-bottom-style: none; border-right-style: none;}\r
  48 img_whs12 {border-style: none; border: none; width: 318px; height: 218px;}\r
  49 img_whs13 {border-style: none; border: none; width: 350px; height: 184px;}\r
  50 -->\r
  51 </style>\r
  52 <script type="text/javascript" language="JavaScript">\r
  53 <!--\r
  54 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))\r
  55 {\r
  56   var strNSS = "<style type='text/css'>";\r
  57   strNSS += "p.whs4 {margin-left:1; }";\r
  58   strNSS +="</style>";\r
  59   document.write(strNSS);\r
  60 }\r
  61 //-->\r
  62 </script>\r
  63 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
  64 <!--\r
  65 function reDo() {\r
  66   if (innerWidth != origWidth || innerHeight != origHeight)\r
  67      location.reload();\r
  68 }\r
  69 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
  70         origWidth = innerWidth;\r
  71         origHeight = innerHeight;\r
  72         onresize = reDo;\r
  73 }\r
  74 onerror = null; \r
  75 //-->\r
  76 </script>\r
  77 <style type="text/css">\r
  78 <!--\r
  79   div.WebHelpPopupMenu {position:absolute; left:0px; top:0px; z-index:4; visibility:hidden;}\r
  80 -->\r
  81 </style>\r
  82 <script type="text/javascript" language="javascript1.2" src="../whmsg.js"></script>\r
  83 <script type="text/javascript" language="javascript" src="../whver.js"></script>\r
  84 <script type="text/javascript" language="javascript1.2" src="../whproxy.js"></script>\r
  85 <script type="text/javascript" language="javascript1.2" src="../whutils.js"></script>\r
  86 <script type="text/javascript" language="javascript1.2" src="../whtopic.js"></script>\r
  87 </head>\r
  88 \r
  89 <!--(Body)==========================================================-->\r
  90 \r
  91 \r
  92 <body>\r
  93 \r
  94 <script type="text/javascript" language="javascript1.2">\r
  95 <!--\r
  96 if (window.gbWhTopic)\r
  97 {\r
  98         if (window.addTocInfo)\r
  99         {\r
 100         addTocInfo("SMESH module\nModifying meshes\nRemoving nodes and elements");\r
 101 addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");\r
 102 \r
 103         }\r
 104         if (window.writeBtnStyle)\r
 105                 writeBtnStyle();\r
 106 \r
 107         if (window.writeIntopicBar)\r
 108                 writeIntopicBar(1);\r
 109 \r
 110         if (window.setRelStartPage)\r
 111         {\r
 112         setRelStartPage("../smesh.htm");\r
 113 \r
 114                 autoSync(0);\r
 115                 sendSyncInfo();\r
 116                 sendAveInfoOut();\r
 117         }\r
 118 }\r
 119 else\r
 120         document.location.reload();\r
 121 //-->\r
 122 </script>\r
 123 <h1>Removing nodes and elements</h1>\r
 124 \r
 125 <p>In SMESH you can remove nodes and all types of cells of your mesh. </p>\r
 126 \r
 127 <p>&nbsp;</p>\r
 128 \r
 129 <p class=TODO>To remove a node:</p>\r
 130 \r
 131 <p class=TODO\r
 132         style="margin-left: 40px;">&nbsp;</p>\r
 133 \r
 134 <p class="whs1">1. Select your mesh in the Object Browser \r
 135  or in the 3D viewer.</p>\r
 136 \r
 137 <p class="whs1">&nbsp;</p>\r
 138 \r
 139 <p class="whs1">2. From the <span style="font-weight: bold;"><B>Modification \r
 140  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and \r
 141  from the associated submenu select the <span style="font-weight: bold;"><B>Remove \r
 142  nodes</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs2"> icon in the toolbar. The \r
 143  following dialog box will appear:</p>\r
 144 \r
 145 <p>&nbsp;</p>\r
 146 \r
 147 <p class="whs1"><img src="../image87.gif" width="315px" height="217px" border="0" class="img_whs3"></p>\r
 148 \r
 149 <p class="whs1">&nbsp;</p>\r
 150 \r
 151 <p class="whs1">In this dialog box you can specify one or \r
 152  several nodes (with pressed Shift button) by choosing them in the 3D viewer.</p>\r
 153 \r
 154 <p class="whs1">&nbsp;</p>\r
 155 \r
 156 <p class="whs1">3. Click <span style="font-weight: bold;"><B>OK \r
 157  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to \r
 158  confirm deletion of the specified nodes.</p>\r
 159 \r
 160 <p class="whs1">&nbsp;</p>\r
 161 \r
 162 <p class="whs4"><img src="../note1.gif" x-maintain-ratio="TRUE" width="36px" height="38px" border="0" class="img_whs5">Be careful while removing \r
 163  nodes because if you remove a definite node of your mesh all adjacent \r
 164  elements will be also deleted.</p>\r
 165 \r
 166 <p class="whs1">&nbsp;</p>\r
 167 \r
 168 <!--(Table)=========================================================-->\r
 169 <table x-use-null-cells cellspacing="0" width="100%" class="whs6">\r
 170 <col class="whs7">\r
 171 <col class="whs7">\r
 172 \r
 173 <tr valign="top" class="whs8">\r
 174 <td width="50%" class="whs9">\r
 175 <p><img src="../image73.jpg" width="350px" height="183px" border="0" class="img_whs10"></td>\r
 176 <td width="50%" class="whs11">\r
 177 <p><img src="../image72.jpg" width="350px" height="183px" border="0" class="img_whs10"></td></tr>\r
 178 </table>\r
 179 \r
 180 <p class="whs4">&nbsp;</p>\r
 181 \r
 182 <p>&nbsp;</p>\r
 183 \r
 184 <p class=TODO>To remove an element:</p>\r
 185 \r
 186 <p class=TODO\r
 187         style="margin-left: 40px;">&nbsp;</p>\r
 188 \r
 189 <p class="whs1">1. Select your mesh in the Object Browser \r
 190  or in the 3D viewer.</p>\r
 191 \r
 192 <p class="whs1">&nbsp;</p>\r
 193 \r
 194 <p class="whs1">2. From the <span style="font-weight: bold;"><B>Modification \r
 195  </B></span>menu choose <span style="font-weight: bold;"><B>Remove </B></span>and \r
 196  from the associated submenu select the <span style="font-weight: bold;"><B>Remove \r
 197  elements</B></span>, or just click <img src="../image88.gif" width="27px" height="25px" border="0" class="img_whs2"> icon in the toolbar. The \r
 198  following dialog box will appear:</p>\r
 199 \r
 200 <p>&nbsp;</p>\r
 201 \r
 202 <p class="whs1"><img src="../image89.gif" width="318px" height="218px" border="0" class="img_whs12"></p>\r
 203 \r
 204 <p class="whs1">&nbsp;</p>\r
 205 \r
 206 <p class="whs1">In this dialog box you can specify one or \r
 207  several elements of your mesh (with pressed Shift button) by choosing \r
 208  them in the 3D viewer.</p>\r
 209 \r
 210 <p class="whs1">&nbsp;</p>\r
 211 \r
 212 <p class="whs1">3. Click <span style="font-weight: bold;"><B>OK \r
 213  </B></span>or <span style="font-weight: bold;"><B>Apply </B></span>&nbsp;to \r
 214  confirm deletion of the specified elements.</p>\r
 215 \r
 216 <p class="whs1">&nbsp;</p>\r
 217 \r
 218 <!--(Table)=========================================================-->\r
 219 <table x-use-null-cells cellspacing="0" width="100%" class="whs6">\r
 220 <col class="whs7">\r
 221 <col class="whs7">\r
 222 \r
 223 <tr valign="top" class="whs8">\r
 224 <td width="50%" class="whs9">\r
 225 <p><img src="../image75.jpg" width="350px" height="183px" border="0" class="img_whs10"></td>\r
 226 <td width="50%" class="whs11">\r
 227 <p><img src="../image74.jpg" width="350px" height="184px" border="0" class="img_whs13"></td></tr>\r
 228 </table>\r
 229 \r
 230 <p class="whs4">&nbsp;</p>\r
 231 \r
 232 <p>&nbsp;</p>\r
 233 \r
 234 <p>&nbsp;</p>\r
 235 \r
 236 <script type="text/javascript" language="javascript1.2">\r
 237 <!--\r
 238 if (window.writeIntopicBar)\r
 239         writeIntopicBar(0);\r
 240 //-->\r
 241 </script>\r
 242 </body>\r
 243 \r
 244 </html>\r