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      <title>Creating a shadow catching plane</title>
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      <div class="title_topic5" id="xps10_pagetitle">Creating a shadow catching plane</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_shad_set_ov.html');return(false);">Overview</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_shad_set_p.html');return(false);">How To</a></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('visualizing_a_part/vie_shad_set_r.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">Create a shadow catching plane as follows:</p>
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            <p class="para_item">Create a planar sheet body.  You will use this to assign a shadow catching attribute.</p>
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            <p class="para_item">Select <b class="uiTerm">Shadow Settings</b>.
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            <p class="para_item">Select the plane.</p>
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            <p class="para_item">Select the checkbox for <b class="uiTerm">Use Shadow Catcher.</b></p>
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            <p class="para_item">From the <a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_vis_shad_shwrm_ht.html');return(false);">Real Time Shadows</a> menu, choose either <b class="uiTerm">Environment or shadow catcher only</b>, or <b class="uiTerm">Inter-object shadows</b>.    
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            <div class="title_figure">Shadow Catching Plane</div>
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            <p class="para_item">Enable the background image to see the effects of shadow catching.</p>
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            <p class="para_item">Adjust not only the lighting, but also the placement of the plane and the object (sphere in first figure above) for a more realistic looking environment.  Rotate the view to align the shadow catching plane to the object in the background image</p>
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                  <p class="para_note_body">Make sure the shadow catching body face normal is pointing towards the light source which is casting the shadow.  If it is not, <b class="uiTerm">Edit</b>&rarr;<b class="uiTerm">Surface</b>&rarr;<b class="uiTerm">Reverse Normal</b> may be used to reverse the face normal.
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                  <p class="para_note_body"> Avoid using shadow catcher in a showroom environment since in HQI all geometry behind a shadow catcher plane are blocked by it. This makes it look like the showroom environment walls are &quot;see-through&quot; behind the shadow catcher plane.</p>
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