<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN"> <html> <head> <title>Extrusion</title> <meta http-equiv="content-type" content="text/html; charset=windows-1252"> <meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com"> <link rel="stylesheet" href="default_ns.css"><script type="text/javascript" language="JavaScript" title="WebHelpSplitCss"> <!-- if (navigator.appName !="Netscape") { document.write("<link rel='stylesheet' href='default.css'>");} //--> </script> <style type="text/css"> <!-- p.whs1 { margin-left:40px; } img_whs2 { border:none; width:27px; height:24px; border-style:none; } img_whs3 { border:none; width:411px; height:309px; float:none; border-style:none; } ul.whs4 { list-style:disc; } table.whs5 { x-cell-content-align:top; width:100%; border-spacing:0px; } col.whs6 { width:50%; } tr.whs7 { x-cell-content-align:top; } td.whs8 { width:50%; padding-right:10px; padding-left:10px; border-right-style:none; border-left-style:none; border-top-style:none; border-bottom-style:none; } img_whs9 { border:none; width:350px; height:201px; border-style:none; } td.whs10 { width:50%; padding-right:10px; padding-left:10px; border-top-style:none; border-bottom-style:none; border-right-style:none; } --> </style><script type="text/javascript" language="JavaScript" title="WebHelpInlineScript"> <!-- function reDo() { if (innerWidth != origWidth || innerHeight != origHeight) location.reload(); } if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) { origWidth = innerWidth; origHeight = innerHeight; onresize = reDo; } onerror = null; //--> </script> <style type="text/css"> <!-- div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; } --> </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script> <script type="text/javascript" language="javascript" src="whver.js"></script> <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script> <script type="text/javascript" language="javascript1.2" src="whutils.js"></script> <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script> </head> <body><script type="text/javascript" language="javascript1.2"> <!-- if (window.gbWhTopic) { if (window.addTocInfo) { addTocInfo("MESH module\nModifying meshes\nExtrusion"); addButton("show",BTN_TEXT,"Show","","","","",0,0,"","",""); } if (window.writeBtnStyle) writeBtnStyle(); if (window.writeIntopicBar) writeIntopicBar(1); if (window.setRelStartPage) { setRelStartPage("smesh.htm"); autoSync(1); sendSyncInfo(); sendAveInfoOut(); } } else if (window.gbIE4) document.location.reload(); //--> </script> <h1>Extrusion</h1> <p>Extrusion is a type of surface meshing by generation from discretized lines. It is used to build mesh elements of plus one dimension than the swept ones. Each swept 1D element produces one or more quadrangles (or triangles if one node of a rotated element lays on the revolution axis).</p> <p> </p> <p class=TODO>To use extrusion:</p> <p class=TODO> </p> <p class="whs1">1. From the <span style="font-weight: bold;"><B>Modification </B></span>menu choose the <span style="font-weight: bold;"><B>Extrusion </B></span>item or click <img src="image91.gif" width="27px" height="24px" border="0" class="img_whs2"> button in the toolbar. The following dialog box will appear:</p> <p class="whs1"> </p> <p class="whs1"><img src="pics/extrusionalongaline1.png" x-maintain-ratio="TRUE" width="411px" height="309px" border="0" class="img_whs3"> <img src="pics/extrusionalongaline2.png" x-maintain-ratio="TRUE" width="411px" height="309px" border="0" class="img_whs3"></p> <p class="whs1"> </p> <p class="whs1">2. In this dialog box you should select </p> <ul type="disc" class="whs4"> <li class=kadov-p><p class="whs1">the type of elements which will be extruded (1D or 2D),</p></li> <li class=kadov-p><p class="whs1">specify the IDs of the elements which will be extruded by selecting them in the 3D viewer or select the whole mesh or submesh,</p></li> <li class=kadov-p><p class="whs1">specify the vector along which the elements will be extruded,</p></li> <li class=kadov-p><p class="whs1">number of steps</p></li> </ul> <p class="whs1"> </p> <p class="whs1">3. Click the <span style="font-weight: bold;"><B>Apply </B></span>or <span style="font-weight: bold;"><B>OK </B></span>button.</p> <p class=TODO style="margin-left: 40px;"> </p> <p> </p> <table x-use-null-cells cellspacing="0" width="100%" class="whs5"> <col class="whs6"> <col class="whs6"> <tr valign="top" class="whs7"> <td width="50%" class="whs8"> <p><img src="image77.jpg" width="350px" height="201px" border="0" class="img_whs9"></td> <td width="50%" class="whs10"> <p><img src="image76.jpg" width="350px" height="201px" border="0" class="img_whs9"></td></tr> </table> <p class=TODO> </p> <p> <span style="font-weight: bold;"><B>See Also</B></span> a sample TUI Script of an <a href="modifying_meshes.htm#bookmark9">Extrusion</a> operation. </p> <p> </p> <script type="text/javascript" language="javascript1.2"> <!-- if (window.writeIntopicBar) writeIntopicBar(0); //--> </script> </body> </html>