<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN"> <html> <head> <title>Cutting quadrangles</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"> <!-- img_whs1 { border:none; width:30px; height:30px; float:none; border-style:none; } p.whs2 { margin-left:40px; } img_whs3 { border:none; width:25px; height:22px; border-style:none; } img_whs4 { border:none; width:306px; height:525px; float:none; border-style:none; } ul.whs5 { list-style:disc; } p.whs6 { margin-left:40px; font-weight:normal; } p.whs7 { margin-left:40px; font-weight:bold; } table.whs8 { x-cell-content-align:top; width:100%; border-spacing:0px; } col.whs9 { width:50%; } tr.whs10 { x-cell-content-align:top; } td.whs11 { 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_whs12 { border:none; width:353px; height:300px; border-style:none; } td.whs13 { width:50%; padding-right:10px; padding-left:10px; border-top-style:none; border-bottom-style:none; border-right-style:none; } p.whs14 { margin-left:0px; } --> </style><script type="text/javascript" language="JavaScript"> <!-- if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) { var strNSS = "<style type='text/css'>"; strNSS += "p.whs14 {margin-left:1pt; }"; strNSS +="</style>"; document.write(strNSS); } //--> </script> <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\nCutting quadrangles"); 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>Cutting quadrangles</h1> <p><img src="../i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs1"> This operation allows to cut one or several quadrangle elements by addition of a supplementary edge which will connect two opposite corners. </p> <p> </p> <p class=TODO>To cut quadrangles:</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>Cutting of quadrangles </B></span>item or click <img src="../image82.gif" width="25px" height="22px" border="0" class="img_whs3"> button in the toolbar. The following dialog box will appear:</p> <p> </p> <p class="whs2"><img src="../pics/a-cuttingofquadrangles.png" x-maintain-ratio="TRUE" width="306px" height="525px" border="0" class="img_whs4"></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 quadrangles which will be cutted. You can click on an quadrangle 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 quadrangle 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>F</B></span><span style="font-weight: bold;"><B>ilter </B></span>button allows to apply a definite filter to selection of quadrangles.</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 quadrangles of the currently displayed mesh or submesh.</p></li> <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Use diagonal 2-4 </B></span>radio button allows to specify the opposite corners which will be connected by the cutting edge.</p></li> <li class=kadov-p><p class="whs7">Preview </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 quadrangle 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="whs2"> </p> <table x-use-null-cells cellspacing="0" width="100%" class="whs8"> <col class="whs9"> <col class="whs9"> <tr valign="top" class="whs10"> <td width="50%" class="whs11"> <p><img src="../image52.jpg" width="353px" height="300px" border="0" class="img_whs12"></td> <td width="50%" class="whs13"> <p><img src="../image51.jpg" width="353px" height="300px" border="0" class="img_whs12"></td></tr> </table> <p class="whs14"> </p> <p> <span style="font-weight: bold;"><B>See Also</B></span> a sample TUI Script of a <a href="../modifying_meshes.htm#bookmark7">Cutting Quadrangles</a> operation. </p> <p> </p> <script type="text/javascript" language="javascript1.2"> <!-- if (window.writeIntopicBar) writeIntopicBar(0); //--> </script> </body> </html>