<!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; } p.whs8 { font-weight:bold; margin-left:0px; } p.whs9 { margin-left:0px; } table.whs10 { x-cell-content-align:top; width:100%; border-spacing:0px; } col.whs11 { width:50%; } tr.whs12 { x-cell-content-align:top; } td.whs13 { 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_whs14 { border:none; width:353px; height:300px; border-style:none; } td.whs15 { 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"> <!-- if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) { var strNSS = "<style type='text/css'>"; strNSS += "p.whs8 {margin-left:1pt; }"; strNSS += "p.whs9 {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; } p.WebHelpNavBar { text-align:right; } --> </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> <script type="text/javascript" language="javascript1.2"> <!-- if (window.gbWhTopic) { if (window.setRelStartPage) { addTocInfo("MESH module\nModifying meshes\nCutting quadrangles"); addButton("show",BTN_IMG,"Show","","","","",0,0,"../whd_show0.gif","../whd_show2.gif","../whd_show1.gif"); addButton("hide",BTN_IMG,"Hide","","","","",0,0,"../whd_hide0.gif","../whd_hide2.gif","../whd_hide1.gif"); } if (window.setRelStartPage) { setRelStartPage("../index.htm"); autoSync(1); sendSyncInfo(); sendAveInfoOut(); } } else if (window.gbIE4) document.location.reload(); //--> </script> </head> <body><script type="text/javascript" language="javascript1.2"> <!-- if (window.writeIntopicBar) writeIntopicBar(4); //--> </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">The main list<span style="font-weight: bold;"> <B></B></span>contains the list of quadrangles. You can click on an quadrangle in the 3D viewer and it will be highlighted (lock Shift keyboard button to select several quadrangles). <span style="margin-left: 0px; font-weight: bold;"><B>Click Add </B></span><span style="margin-left: 0px;">button and the ID of this quadrangle will be added to the list. To remove a selected element or elements from the list click </span><span style="margin-left: 0px; font-weight: bold;"><B>Remove </B></span><span style="margin-left: 0px;">button. </span><span style="margin-left: 0px; font-weight: bold;"><B>Sort list </B></span><span style="margin-left: 0px;">button allows to sort the list of IDs. </span><span style="margin-left: 0px; font-weight: bold;"><B>Filter </B></span><span style="margin-left: 0px;">button allows to apply a definite filter to the selection of quadrangles.</span></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="whs7">Preview - <span style="font-weight: normal;">provides a preview of cutting in the viewer.</span> </p></li> <li class=kadov-p><p class="whs8">Criterion</p></li> <li class=kadov-p><p class="whs6"><span style="font-weight: bold;"><B>Use diagonal 1-3 </B></span>and<span style="font-weight: bold;"><B> Use diagonal 2-4 </B></span> allows to specify the opposite corners which will be connected by the cutting edge.</p></li> <li class=kadov-p><p class="whs7">Use numeric factor - <span style="margin-left: 40px; font-weight: normal;"> allows to apply the operation only to those objects which meet the chosen criterion (from the list of Quality Controls, i.e. Skew, Warping, Minimum Angle, etc.)</span></p></li> <li class=kadov-p><p class="whs9"><span style="font-weight: bold;"><B>Select from -</B></span> 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="whs10"> <col class="whs11"> <col class="whs11"> <tr valign="top" class="whs12"> <td width="50%" class="whs13"> <p><img src="../image52.jpg" width="353px" height="300px" border="0" class="img_whs14"></td> <td width="50%" class="whs15"> <p><img src="../image51.jpg" width="353px" height="300px" border="0" class="img_whs14"></td></tr> </table> <p class="whs9"> </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>