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      <title>Lights options</title>
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      <div class="title_topic4" id="xps10_pagetitle">Lights options</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_vis_scenes_ov.html');return(false);">Overview</a></p>
            </td>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_vis_scenes_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_vis_scenes_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_vis_scenes_r.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">See <a class="links" href="javascript:void(0)" onclick="top.popUpPage('intro_to_nx/index.html?goto=intro_to_nx/uiu_dia_box_ops.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Common dialog box options</a> for common options not described here. 
      </p>
      <p class="para_topic">In the <b class="uiTerm">Basic Scene Editor</b>dialog box, click the <b class="uiTerm">Lights</b> tab to see these options.
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                  <p class="para_td"><b class="uiTerm">Lights in Scene</b></p>
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                  <p class="para_td"><b class="uiTerm">Lights List</b></p>
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                  <p class="para_td">Lets you select a light to edit.</p>
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                  <p class="para_td"><b class="uiTerm">Lights Settings</b></p>
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                  <p class="para_td"><b class="uiTerm">Type</b></p>
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                  <p class="para_td">Sets the type of light for your scene. Select from the following options:</p>
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                     <li>
                        <p class="para_item">Ambient</p>
                     </li>
                     <li>
                        <p class="para_item">Distant </p>
                     </li>
                     <li>
                        <p class="para_item">Eye </p>
                     </li>
                     <li>
                        <p class="para_item">Point </p>
                     </li>
                     <li>
                        <p class="para_item">Spot </p>
                     </li>
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                  <p class="para_td"><b class="uiTerm">Intensity</b></p>
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                  <p class="para_td">Lets you adjust the brightness of the light.</p>
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                  <p class="para_td"><b class="uiTerm">Light Source</b></p>
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                  <p class="para_td"><b class="uiTerm">Specify Orientation</b> 
                  </p>
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                  <p class="para_td">Available only when the <b class="uiTerm">Type</b> is <b class="uiTerm">Distant</b>, or <b class="uiTerm">Scene</b>.
                  </p>
                  <p class="para_td">Use the <b class="uiTerm">Manipulator</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/common/manipulator.gif" border="0"> to specify the orientation of the light source.
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                  <p class="para_td"><b class="uiTerm">Specify Point</b></p>
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                  <p class="para_td">Available only with the <b class="uiTerm">Type</b> is <b class="uiTerm">Point</b> or <b class="uiTerm">Spot</b>. 
                  </p>
                  <p class="para_td">Use the<b class="uiTerm"> Point <a class="links" href="javascript:void(0)" onclick="top.popUpPage('shared_func/index.html?goto=shared_func/com_ov_m.html&vars=-aux,-home','linkInter','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Constructor</a></b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/common/point_constructor.gif" border="0"> or the menu that NX provides to indicate a location for the light source.
                  </p>
                  <p class="para_td"><b class="uiTerm">Inferred Point</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/inferred_point.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination based on the software's intelligent guess.</p>
                  <p class="para_td"><b class="uiTerm">Cursor Location</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/cursor_location.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at a specified screen position.</p>
                  <p class="para_td"><b class="uiTerm">Existing Point</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/existing_point.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at an existing point location.</p>
                  <p class="para_td"><b class="uiTerm">End Point</b><img align="bottom" src="../graphic_library/icons/toolbars/gateway/selection_bar/end_point.gif" border="0"> 
                  </p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at the end point of an existing line, arc, conic, or spline.</p>
                  <p class="para_td"><b class="uiTerm">Control Point</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/control_point.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at the control point of a geometric object. The control points, which vary for each object type, include: existing points, end points of conics and splines, end points and midpoints of lines and open arcs, and center points of circles.</p>
                  <p class="para_td"><b class="uiTerm">Intersection Point</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/intersection_point.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at the intersection of two curves or at the intersection of a curve and a surface or plane. If the curves intersect more than once, the software creates the point nearest to where you selected the second curve.</p>
                  <p class="para_td"><b class="uiTerm">Arc/Ellipse/Sphere Center</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/arc_ellipse_sphere_center.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at the center of an arc, ellipse, circular or elliptical edge, or sphere, by selecting the object along its circumference.</p>
                  <p class="para_td"><b class="uiTerm">Quadrant Point</b><img align="bottom" src="../graphic_library/icons/toolbars/gateway/selection_bar/quadrant_point.gif" border="0"> 
                  </p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at the quarter point of an arc or ellipse.</p>
                  <p class="para_td"><b class="uiTerm">Point on Curve/Edge</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/point_on_curve_edge.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at a specified location on a curve or edge.</p>
                  <p class="para_td"><b class="uiTerm">Point on Face</b> <img align="bottom" src="../graphic_library/icons/dialogs/gateway/point_constructor/point_on_face.gif" border="0"></p>
                  <p class="para_td">Positions the light&rsquo;s source/destination at a specified location on a surface.</p>
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                  <p class="para_td"><b class="uiTerm">Shadow Type</b></p>
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                  <p class="para_td">Sets the shadow effect. Select from the following options:</p>
                  <ul>
                     <li>
                        <p class="para_item">None</p>
                     </li>
                     <li>
                        <p class="para_item">Soft Edged</p>
                     </li>
                     <li>
                        <p class="para_item">Hard Edged</p>
                     </li>
                     <li>
                        <p class="para_item">Translucent Hard</p>
                        <p class="para_item">In addition to generating shadows cast by opaque objects, translucent objects also cast shadows in the color of the object.  These shadows are hard edged.</p>
                     </li>
                  </ul>
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                  <p class="para_td"><b class="uiTerm">Use With Image-Based Lighting</b></p>
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                  <p class="para_td">If you selected the <b class="uiTerm">Use Image-Based Lighting</b>check box on the<b class="uiTerm"> Image-Based Lighting</b> tab, lighting effects from the individual lights in the <b class="uiTerm">Lights List</b> are not available. 
                  </p>
                  <p class="para_td"> To add the lighting effect from an individual light, select the check box next to <b class="uiTerm"><a class="links" href="javascript:void(0)" onclick="top.openFile('visualizing_a_part/vie_vis_ibl_r.html');return(false);">Use with Image-Based Lighting</a></b> for a particular light.
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