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      <title>Addendum Section - Section Parameters</title>
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      <div class="title_topic2" id="xps10_pagetitle"><img align="bottom" src="graphics/edit_section.gif" border="0">&nbsp;Addendum Section - Section Parameters
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('dieengr/die_section.html');return(false);">Overview</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('dieengr/die_section_ht.html');return(false);">How to </a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('dieengr/die_section_dialog.html');return(false);">Options</a></p>
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      </table><br><p class="para_topic">When you select Edit Section  on the Die Section dialog, the Section Parameters dialog displays. </p>
      <p class="para_topic">The Section Parameters dialog allows you to manually edit the parameters used to define an addendum section. Normally the system assigns these values automatically. However, you can manually override any system value, in which case the parameter is flagged as &quot;constrained.&quot; Throughout this process the system continues to analyze the resulting section to ensure that the section is formable according to geometric criteria (for example, backdraft and minimum radii). If not, the system automatically adjusts other unconstrained parameters to bring the section back into a formable condition. The system allows you to lock the parameters of your choice. &nbsp;If you lock a parameter, the present value is maintained as changes are made to other parameters. &nbsp;If you constrain too many parameters, the system may not have sufficient flexibility to ensure good results. In this case a warning is issued. </p>
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               <p class="para_th">Section Parameters Dialog Options</p>
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               <p class="para_td">Listing Window</p>
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               <p class="para_td">Select a parameter from the list. The parameter name and its current value are shown in the buffer below the listing window. The segment associated with this parameter is highlighted so you can see the portion of the section curve you are affecting. &nbsp;The parameter icon indicates its state. &nbsp;For example,  <img align="bottom" src="graphics/degenerate.gif" border="0"> indicates the segment is &quot;degenerate.&quot; &nbsp;To be degenerate, either the length value will be zero (for a straight segment) or the central angle will be zero (for an arc segment). 
               </p>
               <p class="para_td">You may also select a segment from the screen. &nbsp;In this case the corresponding length or radius parameter is loaded in the buffer. &nbsp;By clicking in the box next to the name, you can lock  <img align="bottom" src="graphics/lock.gif" border="0"> &nbsp;the parameter so that its present value is maintained as other parameters are edited. &nbsp;When you highlight a segment, two handles (see figure below) are displayed along the segment in the data area. &nbsp;
               </p>
               <ul>
                  <li>
                     <p class="para_item">For arc segments, the handle at the end of the arc lets you adjust the central angle and the handle and the arc center position lets you adjust the radius. &nbsp;The system shows you a temporary circle &nbsp;when you have an arc segment to help you better visualize the size of the arc.</p>
                  </li>
                  <li>
                     <p class="para_item">For line segments the handle at the end of the line lets you adjust the length and the handle in the middle of the line lets you adjust the angle. &nbsp;&nbsp;</p>
                  </li>
               </ul>
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                     <td valign="top" align="left"><img align="left" src="../graphics/note.gif" alt="Note" title="Note"></td>
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                        <div class="para_note">
                           <p class="para_note_body">This function will honor the default colors for lines and arcs so if you make them different colors it will be easier to see the different segments.</p>
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               <p class="para_td">Parameter Value</p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Enter a value for the parameter, use the slider bar, or the data handles to adjust the value dynamically. </p>
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               <p class="para_td">Section/Flange Length</p>
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               <p class="para_td">Text that dynamically updates as the parameters are changed to reflect the total section and flange lengths.</p>
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      </table><br><div class="title_division">&nbsp;</div>
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               <p class="para_th">General Page Options</p>
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               <p class="para_td">Reset Parameters</p>
               <p align="center"><img align="bottom" src="graphics/reset_param.gif"></p>
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               <p class="para_td">Resets the parameter list to the values of the last Apply.</p>
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               <p class="para_td">Reset Display</p>
               <p align="center"><img align="bottom" src="graphics/reset_display.gif"></p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1" valign="top" width="835">
               <p class="para_td">Resets the display to the orientation when the dialog was entered (plane of the current section).</p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1" valign="top" width="95">
               <p class="para_td">Blank Background Data</p>
               <p align="center"><img align="bottom" src="graphics/blnk_bckgrnd.gif"></p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1" valign="top" width="835">
               <p class="para_td">Blanks all data currently displayed except the segments of the current section.</p>
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               <p class="para_td">Display Analysis Data</p>
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               <p class="para_td">Displays flange analysis data for the section in the Information window.</p>
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               <p class="para_td">List Parameters</p>
               <p align="center"><img align="bottom" src="graphics/list_params.gif"></p>
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               <p class="para_td">Displays an information window that shows the value of the current parameter for adjacent section curves. Also shows you which sections have been selected in the previous dialog.</p>
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               <p class="para_td">Sections to List</p>
               <p align="center"><img align="bottom" src="graphics/sections_list.gif"></p>
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               <p class="para_td">Enter the number of sections to be considered on each side of the current section when you select the List Parameters button. </p>
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               <p class="para_td">Apply to All Sections</p>
               <p align="center"><img align="bottom" src="graphics/apply_all_sectns.gif"></p>
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               <p class="para_td">Applies the change of the current parameter to all sections selected in the previous dialog. If only one section was selected in the previous dialog, the change will apply to all sections in the feature. The text of the option will indicate the scope of the operation (All or Selected).</p>
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      </table><br><div class="title_division">&nbsp;</div>
      <div class="title_division">&nbsp;</div>
      <div class="title_division">Basic Procedure</div>
      <ol type="1" start="1">
         <li>
            <p class="para_item">Lock parameters by clicking on the box next to the parameter icon (optional).</p>
         </li>
         <li>
            <p class="para_item">Select one of the parameters shown in the listing window.</p>
         </li>
         <li>
            <p class="para_item">Enter a new value for the parameter in the text box displayed at the bottom of the listing window. You can also use the slider bar or handles (see figure below in the data area to adjust the value dynamically. </p>
         </li>
         <li>
            <p class="para_item">Use Reset Parameters if you want to undo the changes you made to the section.</p>
         </li>
         <li>
            <p class="para_item">Use Reset Display if you have changed the display orientation and you want to set it back to the way is was when you entered the dialog.</p>
         </li>
         <li>
            <p class="para_item">Use Blank Background Data if you only want to see the current section segments.</p>
         </li>
         <li>
            <p class="para_item">Select Display Analysis Data to display the flange analysis for the current section in the information window. As you modify the parameters the analysis data will update. Clear this option to suspend the analysis.</p>
         </li>
         <li>
            <p class="para_item">Select List Parameters to display the current parameter value for adjacent sections in an information window. </p>
         </li>
         <li>
            <p class="para_item">Use the Sections to list option to define the number of sections on each side of the current section to be considered by the List Parameters button. </p>
         </li>
         <li>
            <p class="para_item">Choose Apply to All/Selected Sections to apply the change of the current parameter to all or selected sections. </p>
         </li>
         <li>
            <p class="para_item">Choose OK or Apply to accept all changes to the section parameters. </p>
         </li>
      </ol>
      <div class="figure">
         <p align="center"><img align="bottom" src="graphics/handles.gif"></p>
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      <div class="title_figure">Handles for lines (1), and handles for arcs (2).</div>
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