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      <title>Lock Vertical Axis</title>
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      <div class="title_topic4" id="xps10_pagetitle">Lock Vertical Axis</div>
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               <p class="para_td">Overview</p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_op_rot_p.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('visualizing_a_part/vie_op_rot_op.html');return(false);">Options</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_op_rot_r.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">When you select the checkbox for <b class="uiTerm">Lock Vertical Axis</b>, the fixed Y rotation is that of the most vertical modeling (Absolute) axis in the view. This allows you to determine which way is up in the rotated view.
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      <p class="para_topic">When you clear the checkbox for <b class="uiTerm">Lock Vertical Axis</b>, the fixed Y rotation is the default screen Y-axis.
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      <p class="para_topic">The Lock Vertical Axis option is a session option, so it applies to views in all parts in the session. The option setting is determined as follows:</p>
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            <p class="para_item">If you previously used the Rotate dialog box to modify the option, 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 option, then the setting is initialized to the value specified by the UGII_LOCK_UP_AXIS 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 (UNIX) or .ugii_env.dat (Windows) environment variable file supplied with NX. </p>
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            <p class="para_item">If the environment variable is unset, then on UNIX workstations only, the setting is initialized to the value specified by the ugraf***.lockUpAxis resource in the ugraf*** resource file, if it is set. The resource can be set to TRUE or FALSE. </p>
            <p class="para_item">Example:</p>
            <p class="para_item">*ugraf***.lockUpAxis : FALSE</p>
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                        <p class="para_note_body">  This resource is not listed in the default ugraf*** file supplied with NX.</p>
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            <p class="para_item">If neither the environment variable nor the resource are set, then the setting is initialized to TRUE.  </p>
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