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      <title>Check Criteria - Closed Loop (U16)</title>
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      <div class="title_topic4" id="xps10_pagetitle">Check Criteria - Closed Loop (U16)</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda_checker.html');return(false);">Check VDA-4955 Compliance Overview</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda_criteria.html');return(false);">Description of the Check Criteria</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/vda4955_check_crit_fac_topo.html');return(false);">Faces (Topology)</a></p>
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               <p class="para_td">Closed Loop (U16) </p>
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               <p class="para_td">Input</p>
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               <p class="para_td">Faces of solid bodies and sheet bodies</p>
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               <p class="para_td">Parameter</p>
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               <p class="para_td">Topological Distance Tolerance</p>
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               <p class="para_td">What is analyzed ?</p>
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               <p class="para_td">Check if a face boundary closes to form a complete loop by checking all connected edge end points. The criterion is violated if the distance of the end points is greater than the Topological Tolerances | Distance&nbsp;constraint value.&nbsp;Each violation is logged separately to report violations at different locations of the loop.</p>
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               <p class="para_td"> <img align="bottom" src="graphics/v2fu16.gif" border="0"> [IMG_4955]
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               <p class="para_th">Example of a Closed Loop</p>
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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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                           <p class="para_note_body"> This check is different from GC0 face checking with Edge Curve Check control turned on. There will be checked connected end points inside Topological Tolerances | Distance only.</p>
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               <p class="para_td">Results Log&nbsp; Output</p>
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                        <p class="para_td">U16</p>
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                        <p class="para_td">object_id</p>
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                        <p class="para_td">face</p>
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                        <p class="para_td">value</p>
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                        <p class="para_td">distance between two edge curve end points</p>
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                        <p class="para_td">point</p>
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                        <p class="para_td">end point of edge curve1 </p>
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                        <p class="para_td">point2</p>
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                        <p class="para_td">end point of edge curve2</p>
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                        <p class="para_td">sub_id</p>
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                        <p class="para_td">edge1</p>
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                        <p class="para_td">sub_id2</p>
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                        <p class="para_td">edge2</p>
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