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      <title>Disable Dynamic Update Shadows</title>
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      <div class="title_topic4" id="xps10_pagetitle">Disable Dynamic Update Shadows</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('customizing_nx/prf_vpp_d.html');return(false);">Overview</a></p>
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               <p class="para_td"> How To</p>
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               <p class="para_td">Options </p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('customizing_nx/prf_vpp_r.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">Disable Dynamic Update Shadows is a session attribute, so it applies to views in all parts in the session. The attribute setting is determined as follows:</p>
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            <p class="para_item">If you previously used the Visualization Performance Preferences dialog box to modify the attribute, then that setting is used. Note that the setting is saved, for each user, from session to session.</p>
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            <p class="para_item">If you have never modified the attribute, then the setting is initialized to the value specified by the UGII_DISABLE_DYNAMIC_SHADOW_UPDATE environment variable, if it is set. The variable can be set to TRUE or FALSE.   </p>
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                        <p class="para_note_body"> This environment variable is not listed in the default ugii_env.dat environment variable file supplied with NX. </p>
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            <p class="para_item"> If the environment variable is unset, then the setting is initialized to TRUE.  </p>
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