<!DOCTYPE html
  PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<!--
Copyright (c) 2006 UGS Corp.

All Rights Reserved.

This software and related documentation are proprietary to UGS Corp.
-->
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>Form/Unform tips and techniques</title>
      <script language="javaScript">
        abridged="false";
        displayConditions=new Array();
      </script>
      <link type="text/css" href="../css/main_styles.css" rel="stylesheet">
   </head>
   <body class="bodydocs" onload="top.pageLoader()" bgcolor="#FFFFFF">
      <div class="title_topic3" id="xps10_pagetitle">Form/Unform tips and techniques</div>
      <hr noshade="true">
      <table cellspacing="4" align="center">
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1">
               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/smfea_form_dia.html');return(false);">Form/Unform Overview</a></p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1">
               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/smfea_form_dia.html');return(false);">Options</a></p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1">
               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/build_multi_parts.html');return(false);">Related Topics</a></p>
            </td>
         </tr>
      </table><br><div class="title_division">Switch state of a single feature</div>
      <p class="para_division">To quickly form or unform a single feature, simply double click that feature in the selection box. You can also select the feature from the graphics window and use the middle mouse button for <b class="uiTerm">OK</b>. If the selected feature is unformed, it will be formed. If that feature is partially or fully formed, it will be unformed.
      </p>
      <div class="title_division">Form/Unform a set of features using OK or Apply</div>
      <p class="para_division">To form or unform a set of features, you can select the features from the selection box or from the graphics window. Then you can choose <b class="uiTerm">OK</b> or <b class="uiTerm">Apply</b> to change the state of those features. If a selected feature is unformed, it will be formed. If a selected feature is partially or fully formed, it will be unformed.
      </p>
      <div class="title_division">Instances</div>
      <p class="para_division">If the body contains instanced features, then the <b class="uiTerm">Form/Unform</b> dialog box will not list all the instanced features. Instead, it will list the master feature of each instance. If you select the master feature from the dialog box, all the instances of that master feature will be highlighted and formed or unformed. If you pick one of the instances from the graphics window, all the instances of the instance group will be highlighted.
      </p>
      <div class="title_division">Error messages</div><pre class="indent">There is no valid body.</pre><p class="para_division">If you select <b class="uiTerm">Form/Unform</b> from the <b class="uiTerm">Insert</b> menu or the menu bar in a part with no solid body, this error message will be displayed.
      </p><pre class="indent">There are no valid self&ndash;forming features in the part.</pre><p class="para_division">If you select <b class="uiTerm">Form/Unform</b> from the <b class="uiTerm">Insert</b> menu or the menu bar in a part with no unsuppressed self&ndash;forming sheet metal features, this error message will be displayed.
      </p><pre class="indent">Tool body completely outside target.</pre><p class="para_division">You will get this error message while unforming a flange that is not fully constrained using <b class="uiTerm">Relative Positioning and Orientation (RPO)</b>. You will only get this message if the unconstrained flange is attached to another flange. When the parent flange is unformed, the unconstrained Flange doesn't follow the unformed parent flange. Therefore, it ends up completely outside the target body when the unconstrained flange tries to unite.
      </p>
   </body>
</html>