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      <title>PROJECTION</title>
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      <div class="title_refTopic" id="xps10_pagetitle">PROJECTION </div>
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      <h4 class="refClassification">Separation Between Projection Plane and Observer </h4>
      <p class="para_refTopic">Defines the separation along the r-axis and between the observer and the  projection plane if not already specified on the VANTAGE POINT command.  Used by stereoscopic projections only. </p>
      <div class="title_refCategory">Format: </div>
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         <p class="para_refCategory">PROJECTION PLANE SEPARATION  do </p>
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      <div class="title_refCategory">Examples: </div>
      <div class="refCategoryContent"><pre class="indent">PROJ PLAN SEPA  1.5</pre><table width="100%" align="center">
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                     <p class="para_th"><b class="uiTerm">Describer </b></p>
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                     <p class="para_th"><b class="uiTerm">Meaning </b></p>
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                     <p class="para_td">Separation of the observer and the projection plane on the r-axis in model units.  The VANTAGE POINT command may also specify the separation. (Real, Default = 2.0) </p>
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      <div class="title_refCategory">Remarks: </div>
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               <p class="para_item">The PROJECTION PLANE SEPARATION command is not recommended.  The FIND command is recommended because it automatically calculates the optimum separation. </p>
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               <p class="para_item">A theoretical description of projection plane separation is contained in <em>The NASTRAN Theoretical Manual</em>. 
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