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      <title>Two Planar Objects</title>
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      <div class="title_topic3" id="xps10_pagetitle">Two Planar Objects</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('nx_analysis/ana_meas_ang_ov.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"> Related Topics</p>
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      </table><br><p class="para_topic">When you select two planar objects, (plane, datum plane, of planar face) the software determines the angle between the normal vectors of each object. The angle reported is always the smallest angle between the two normal vectors. The software displays the vectors used to calculate the angle with conehead vectors, at the intersection point of the two planar objects.</p>
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                  <p class="para_note_body">For angle measurement of planar objects, the origin of the angle measurement is generally not at the intersection point of the two objects since that point could either not exist or be far off the screen.  The origin point is most often at the center of the object.</p>
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      <p class="para_topic">The software then displays the result of its computations.</p>
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               <p class="para_td"><b class="uiTerm">Angle on WCS</b></p>
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               <p class="para_td">The 2D angle created when the selected curve's tangent vectors are projected onto the work plane</p>
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               <p class="para_td"><b class="uiTerm">True Angle</b></p>
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               <p class="para_td">The actual 3D angle</p>
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      </table><br><p class="para_topic">These two angles will be the same only when the plane of the two tangent vectors is parallel to the work plane. </p>
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