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  <div class="navpath"><a class="el" href="namespaceopenvrml.html">openvrml</a>::<a class="el" href="classopenvrml_1_1light__node.html">light_node</a>
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<h1>openvrml::light_node Class Reference</h1><!-- doxytag: class="openvrml::light_node" --><!-- doxytag: inherits="openvrml::child_node" -->Abstract base class for light nodes.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;openvrml/node.h&gt;</code>
<p>
<div class="dynheader">
Inheritance diagram for openvrml::light_node:</div>
<div class="dynsection">
<p><center><img src="classopenvrml_1_1light__node__inherit__graph.png" border="0" usemap="#openvrml_1_1light__node__inherit__map" alt="Inheritance graph"></center>
<map name="openvrml_1_1light__node__inherit__map">
<area shape="rect" href="classopenvrml_1_1scoped__light__node.html" title="A light that falls within a specified area." alt="" coords="20,315,217,344"><area shape="rect" href="classopenvrml_1_1child__node.html" title="Abstract base class for child nodes." alt="" coords="44,160,193,189"><area shape="rect" href="classopenvrml_1_1bounded__volume__node.html" title="Abstract base class for nodes that represent a bounded volume in the scene graph..." alt="" coords="5,83,232,112"><area shape="rect" href="classopenvrml_1_1node.html" title="A node in the scene graph." alt="" coords="61,5,176,35"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>

<p>
<a href="classopenvrml_1_1light__node-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#02f63f6ccddf3e8dbcd08f6163fb3403">~light_node</a> ()=0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destroy.  <a href="#02f63f6ccddf3e8dbcd08f6163fb3403"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#e65b2ea11ec090efbd393e1fdbcf9f45">ambient_intensity</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Ambient intensity.  <a href="#e65b2ea11ec090efbd393e1fdbcf9f45"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#5cd2bf59ec6f6a7ac4183752e52024f1">intensity</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Intensity.  <a href="#5cd2bf59ec6f6a7ac4183752e52024f1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#73418591ae8c409e10adef000fff26ba">on</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">&ldquo;On&rdquo; state.  <a href="#73418591ae8c409e10adef000fff26ba"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1color.html">openvrml::color</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#8e4913ffa6c739734c5edfa8385cc247">color</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Color.  <a href="#8e4913ffa6c739734c5edfa8385cc247"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#99fde88ee31505af677bb09fe5e15967">light_node</a> (const <a class="el" href="classopenvrml_1_1node__type.html">node_type</a> &amp;type, const boost::shared_ptr&lt; <a class="el" href="classopenvrml_1_1scope.html">openvrml::scope</a> &gt; &amp;<a class="el" href="classopenvrml_1_1scope.html">scope</a>)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct.  <a href="#99fde88ee31505af677bb09fe5e15967"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Private Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classopenvrml_1_1light__node.html">light_node</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#b9a0a046dcd501088cc19cd3ddd038c8">to_light</a> ()  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cast to a <code><a class="el" href="classopenvrml_1_1light__node.html" title="Abstract base class for light nodes.">light_node</a></code>.  <a href="#b9a0a046dcd501088cc19cd3ddd038c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#3a328f1a93824dfd67abf616fa636e64">do_ambient_intensity</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><code><a class="el" href="classopenvrml_1_1light__node.html#e65b2ea11ec090efbd393e1fdbcf9f45" title="Ambient intensity.">ambient_intensity</a></code> implementation.  <a href="#3a328f1a93824dfd67abf616fa636e64"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#69d7c550439784904a3f300923b73b29">do_intensity</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><code><a class="el" href="classopenvrml_1_1light__node.html#5cd2bf59ec6f6a7ac4183752e52024f1" title="Intensity.">intensity</a></code> implementation.  <a href="#69d7c550439784904a3f300923b73b29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#22a5175055bb311d4a085754680e57b3">do_on</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><code><a class="el" href="classopenvrml_1_1light__node.html#73418591ae8c409e10adef000fff26ba" title="&ldquo;On&rdquo; state.">on</a></code> implementation.  <a href="#22a5175055bb311d4a085754680e57b3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const <a class="el" href="structopenvrml_1_1color.html">openvrml::color</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1light__node.html#ffcd6bc3aa2b37712dc0441cf409828a">do_color</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><code><a class="el" href="classopenvrml_1_1light__node.html#8e4913ffa6c739734c5edfa8385cc247" title="Color.">color</a></code> implementation.  <a href="#ffcd6bc3aa2b37712dc0441cf409828a"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Abstract base class for light nodes. <hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="02f63f6ccddf3e8dbcd08f6163fb3403"></a><!-- doxytag: member="openvrml::light_node::~light_node" ref="02f63f6ccddf3e8dbcd08f6163fb3403" args="()=0" -->
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          <td class="memname">openvrml::light_node::~light_node           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Destroy. 
<p>

</div>
</div><p>
<a class="anchor" name="99fde88ee31505af677bb09fe5e15967"></a><!-- doxytag: member="openvrml::light_node::light_node" ref="99fde88ee31505af677bb09fe5e15967" args="(const node_type &amp;type, const boost::shared_ptr&lt; openvrml::scope &gt; &amp;scope)" -->
<div class="memitem">
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      <table class="memname">
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          <td class="memname">openvrml::light_node::light_node           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classopenvrml_1_1node__type.html">node_type</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>type</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const boost::shared_ptr&lt; <a class="el" href="classopenvrml_1_1scope.html">openvrml::scope</a> &gt; &amp;&nbsp;</td>
          <td class="paramname"> <em>scope</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td>  throw ()<code> [protected]</code></td>
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<div class="memdoc">

<p>
Construct. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>type</em>&nbsp;</td><td>the <code><a class="el" href="classopenvrml_1_1node__type.html" title="Type information object for nodes.">node_type</a></code> associated with the <a class="el" href="classopenvrml_1_1node.html" title="A node in the scene graph.">node</a>. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em><a class="el" href="classopenvrml_1_1scope.html" title="The scope class keeps track of defined nodes and prototypes.">scope</a></em>&nbsp;</td><td>the <code><a class="el" href="classopenvrml_1_1scope.html" title="The scope class keeps track of defined nodes and prototypes.">scope</a></code> the <a class="el" href="classopenvrml_1_1node.html" title="A node in the scene graph.">node</a> belongs to. </td></tr>
  </table>
</dl>

</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="e65b2ea11ec090efbd393e1fdbcf9f45"></a><!-- doxytag: member="openvrml::light_node::ambient_intensity" ref="e65b2ea11ec090efbd393e1fdbcf9f45" args="() const " -->
<div class="memitem">
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          <td class="memname">float openvrml::light_node::ambient_intensity           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Ambient intensity. 
<p>
Delegates to <code><a class="el" href="classopenvrml_1_1light__node.html#3a328f1a93824dfd67abf616fa636e64" title="ambient_intensity implementation.">do_ambient_intensity</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the ambient intensity. </dd></dl>

</div>
</div><p>
<a class="anchor" name="5cd2bf59ec6f6a7ac4183752e52024f1"></a><!-- doxytag: member="openvrml::light_node::intensity" ref="5cd2bf59ec6f6a7ac4183752e52024f1" args="() const " -->
<div class="memitem">
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          <td class="memname">float openvrml::light_node::intensity           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Intensity. 
<p>
Delegates to <code><a class="el" href="classopenvrml_1_1light__node.html#69d7c550439784904a3f300923b73b29" title="intensity implementation.">do_intensity</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the intensity. </dd></dl>

</div>
</div><p>
<a class="anchor" name="73418591ae8c409e10adef000fff26ba"></a><!-- doxytag: member="openvrml::light_node::on" ref="73418591ae8c409e10adef000fff26ba" args="() const " -->
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          <td class="memname">bool openvrml::light_node::on           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
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<div class="memdoc">

<p>
&ldquo;On&rdquo; state. 
<p>
Delegates to <code><a class="el" href="classopenvrml_1_1light__node.html#22a5175055bb311d4a085754680e57b3" title="on implementation.">do_on</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>true</code> if the light is on; <code>false</code> otherwise. </dd></dl>

</div>
</div><p>
<a class="anchor" name="8e4913ffa6c739734c5edfa8385cc247"></a><!-- doxytag: member="openvrml::light_node::color" ref="8e4913ffa6c739734c5edfa8385cc247" args="() const " -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1color.html">openvrml::color</a> &amp; openvrml::light_node::color           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Color. 
<p>
Delegates to <code><a class="el" href="classopenvrml_1_1light__node.html#ffcd6bc3aa2b37712dc0441cf409828a" title="color implementation.">do_color</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the <a class="el" href="structopenvrml_1_1color.html" title="A POD-struct comprising a color.">color</a>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="b9a0a046dcd501088cc19cd3ddd038c8"></a><!-- doxytag: member="openvrml::light_node::to_light" ref="b9a0a046dcd501088cc19cd3ddd038c8" args="()" -->
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          <td class="memname"><a class="el" href="classopenvrml_1_1light__node.html">openvrml::light_node</a> * openvrml::light_node::to_light           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [private, virtual]</code></td>
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<p>
Cast to a <code><a class="el" href="classopenvrml_1_1light__node.html" title="Abstract base class for light nodes.">light_node</a></code>. 
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>a pointer to this <code><a class="el" href="classopenvrml_1_1light__node.html" title="Abstract base class for light nodes.">light_node</a></code>. </dd></dl>

<p>Reimplemented from <a class="el" href="classopenvrml_1_1node.html#469956c28f44d9caa50157179166eaba">openvrml::node</a>.</p>

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<a class="anchor" name="3a328f1a93824dfd67abf616fa636e64"></a><!-- doxytag: member="openvrml::light_node::do_ambient_intensity" ref="3a328f1a93824dfd67abf616fa636e64" args="() const =0" -->
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          <td class="memname">float openvrml::light_node::do_ambient_intensity           </td>
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          <td> const  throw ()<code> [private, pure virtual]</code></td>
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<code><a class="el" href="classopenvrml_1_1light__node.html#e65b2ea11ec090efbd393e1fdbcf9f45" title="Ambient intensity.">ambient_intensity</a></code> implementation. 
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the ambient intensity. </dd></dl>

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<a class="anchor" name="69d7c550439784904a3f300923b73b29"></a><!-- doxytag: member="openvrml::light_node::do_intensity" ref="69d7c550439784904a3f300923b73b29" args="() const =0" -->
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          <td class="memname">float openvrml::light_node::do_intensity           </td>
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<code><a class="el" href="classopenvrml_1_1light__node.html#5cd2bf59ec6f6a7ac4183752e52024f1" title="Intensity.">intensity</a></code> implementation. 
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the intensity. </dd></dl>

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<a class="anchor" name="22a5175055bb311d4a085754680e57b3"></a><!-- doxytag: member="openvrml::light_node::do_on" ref="22a5175055bb311d4a085754680e57b3" args="() const =0" -->
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          <td class="memname">bool openvrml::light_node::do_on           </td>
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<code><a class="el" href="classopenvrml_1_1light__node.html#73418591ae8c409e10adef000fff26ba" title="&ldquo;On&rdquo; state.">on</a></code> implementation. 
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<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>true</code> if the light is on; <code>false</code> otherwise. </dd></dl>

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<a class="anchor" name="ffcd6bc3aa2b37712dc0441cf409828a"></a><!-- doxytag: member="openvrml::light_node::do_color" ref="ffcd6bc3aa2b37712dc0441cf409828a" args="() const =0" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1color.html">openvrml::color</a> &amp; openvrml::light_node::do_color           </td>
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<code><a class="el" href="classopenvrml_1_1light__node.html#8e4913ffa6c739734c5edfa8385cc247" title="Color.">color</a></code> implementation. 
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the <a class="el" href="structopenvrml_1_1color.html" title="A POD-struct comprising a color.">color</a>. </dd></dl>

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