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  <div class="navpath"><a class="el" href="namespaceopenvrml.html">openvrml</a>::<a class="el" href="classopenvrml_1_1viewpoint__node.html">viewpoint_node</a>
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<h1>openvrml::viewpoint_node Class Reference</h1><!-- doxytag: class="openvrml::viewpoint_node" --><!-- doxytag: inherits="openvrml::child_node" -->Abstract base class for viewpoint nodes.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;openvrml/node.h&gt;</code>
<p>
<div class="dynheader">
Inheritance diagram for openvrml::viewpoint_node:</div>
<div class="dynsection">
<p><center><img src="classopenvrml_1_1viewpoint__node__inherit__graph.png" border="0" usemap="#openvrml_1_1viewpoint__node__inherit__map" alt="Inheritance graph"></center>
<map name="openvrml_1_1viewpoint__node__inherit__map">
<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_1viewpoint__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_1viewpoint__node.html#0a407228f4d6bede4491e1169e0713fe">~viewpoint_node</a> ()=0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor.  <a href="#0a407228f4d6bede4491e1169e0713fe"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#63a90f747b1b2c4fdb6024718e296063">transformation</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system.  <a href="#63a90f747b1b2c4fdb6024718e296063"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#9a1bd2a6330c489321e14d27dd2e64fa">user_view_transform</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>.  <a href="#9a1bd2a6330c489321e14d27dd2e64fa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#513f39f6fdbc29203c98ccd09182f69c">user_view_transform</a> (const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;transform)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>.  <a href="#513f39f6fdbc29203c98ccd09182f69c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const std::string &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#75b8a1f3d1aaa76d596b4ad6a24de811">description</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the description.  <a href="#75b8a1f3d1aaa76d596b4ad6a24de811"></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_1viewpoint__node.html#fe5cfdec9454ea7cf4bd883aa14b61a4">field_of_view</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the field of view.  <a href="#fe5cfdec9454ea7cf4bd883aa14b61a4"></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_1viewpoint__node.html#01e6fc35530d31995641bc3621169ce4">viewpoint_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">Constructor.  <a href="#01e6fc35530d31995641bc3621169ce4"></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_1viewpoint__node.html">viewpoint_node</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#0746d8a73b67cce285dec971bfeb4dcc">to_viewpoint</a> ()  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cast to a <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>.  <a href="#0746d8a73b67cce285dec971bfeb4dcc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#0bf4ce39c70352983fdd05d3525cbef2">do_transformation</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system.  <a href="#0bf4ce39c70352983fdd05d3525cbef2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#2109028182148bd34f2d2cdb8249c7d2">do_user_view_transform</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>.  <a href="#2109028182148bd34f2d2cdb8249c7d2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#2767a062de6f76043fb0ee25e3200dd1">do_user_view_transform</a> (const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;transform)=0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>.  <a href="#2767a062de6f76043fb0ee25e3200dd1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const std::string &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classopenvrml_1_1viewpoint__node.html#b95d7618d2e6fca4854d860cc4726b48">do_description</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the description.  <a href="#b95d7618d2e6fca4854d860cc4726b48"></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_1viewpoint__node.html#9e5bdea23b6dc0f07dc0d18dac78a9f5">do_field_of_view</a> () const =0  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the field of view.  <a href="#9e5bdea23b6dc0f07dc0d18dac78a9f5"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Abstract base class for viewpoint nodes. <hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="0a407228f4d6bede4491e1169e0713fe"></a><!-- doxytag: member="openvrml::viewpoint_node::~viewpoint_node" ref="0a407228f4d6bede4491e1169e0713fe" args="()=0" -->
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          <td class="memname">openvrml::viewpoint_node::~viewpoint_node           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [pure virtual]</code></td>
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<p>
Destructor. 
<p>

</div>
</div><p>
<a class="anchor" name="01e6fc35530d31995641bc3621169ce4"></a><!-- doxytag: member="openvrml::viewpoint_node::viewpoint_node" ref="01e6fc35530d31995641bc3621169ce4" args="(const node_type &amp;type, const boost::shared_ptr&lt; openvrml::scope &gt; &amp;scope)" -->
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          <td class="memname">openvrml::viewpoint_node::viewpoint_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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<p>
Constructor. 
<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 <code><a class="el" href="classopenvrml_1_1node.html" title="A node in the scene graph.">node</a></code>. </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 <code><a class="el" href="classopenvrml_1_1node.html" title="A node in the scene graph.">node</a></code> belongs to. </td></tr>
  </table>
</dl>

</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="63a90f747b1b2c4fdb6024718e296063"></a><!-- doxytag: member="openvrml::viewpoint_node::transformation" ref="63a90f747b1b2c4fdb6024718e296063" args="() const " -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1mat4f.html">openvrml::mat4f</a> &amp; openvrml::viewpoint_node::transformation           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
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      </table>
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<div class="memdoc">

<p>
Get the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system. 
<p>
This function delegates to <code><a class="el" href="classopenvrml_1_1viewpoint__node.html#0bf4ce39c70352983fdd05d3525cbef2" title="Get the transformation of the viewpoint_node in the global coordinate system.">do_transformation</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system. </dd></dl>

</div>
</div><p>
<a class="anchor" name="9a1bd2a6330c489321e14d27dd2e64fa"></a><!-- doxytag: member="openvrml::viewpoint_node::user_view_transform" ref="9a1bd2a6330c489321e14d27dd2e64fa" args="() const " -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1mat4f.html">openvrml::mat4f</a> &amp; openvrml::viewpoint_node::user_view_transform           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
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<div class="memdoc">

<p>
Get the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. 
<p>
This function delegates to <code><a class="el" href="classopenvrml_1_1viewpoint__node.html#2109028182148bd34f2d2cdb8249c7d2" title="Get the transformation of the user view relative to the viewpoint_node.">do_user_view_transform()</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="513f39f6fdbc29203c98ccd09182f69c"></a><!-- doxytag: member="openvrml::viewpoint_node::user_view_transform" ref="513f39f6fdbc29203c98ccd09182f69c" args="(const mat4f &amp;transform)" -->
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          <td class="memname">void openvrml::viewpoint_node::user_view_transform           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>transform</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Set the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. 
<p>
This function delegates to <code><a class="el" href="classopenvrml_1_1viewpoint__node.html#2767a062de6f76043fb0ee25e3200dd1" title="Set the transformation of the user view relative to the viewpoint_node.">do_user_view_transform(const mat4f &amp;)</a></code>.<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>transform</em>&nbsp;</td><td>the new transformation. </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="75b8a1f3d1aaa76d596b4ad6a24de811"></a><!-- doxytag: member="openvrml::viewpoint_node::description" ref="75b8a1f3d1aaa76d596b4ad6a24de811" args="() const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const std::string &amp; openvrml::viewpoint_node::description           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the description. 
<p>
This function delegates to <code><a class="el" href="classopenvrml_1_1viewpoint__node.html#b95d7618d2e6fca4854d860cc4726b48" title="Get the description.">do_description</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the description. </dd></dl>

</div>
</div><p>
<a class="anchor" name="fe5cfdec9454ea7cf4bd883aa14b61a4"></a><!-- doxytag: member="openvrml::viewpoint_node::field_of_view" ref="fe5cfdec9454ea7cf4bd883aa14b61a4" args="() const " -->
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        <tr>
          <td class="memname">float openvrml::viewpoint_node::field_of_view           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the field of view. 
<p>
This function delegates to <code><a class="el" href="classopenvrml_1_1viewpoint__node.html#9e5bdea23b6dc0f07dc0d18dac78a9f5" title="Get the field of view.">do_field_of_view</a></code>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the field of view in radians. </dd></dl>

</div>
</div><p>
<a class="anchor" name="0746d8a73b67cce285dec971bfeb4dcc"></a><!-- doxytag: member="openvrml::viewpoint_node::to_viewpoint" ref="0746d8a73b67cce285dec971bfeb4dcc" args="()" -->
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          <td class="memname"><a class="el" href="classopenvrml_1_1viewpoint__node.html">openvrml::viewpoint_node</a> * openvrml::viewpoint_node::to_viewpoint           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [private, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Cast to a <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a pointer to this <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. </dd></dl>

<p>Reimplemented from <a class="el" href="classopenvrml_1_1node.html#ffb0adba2ec933849f727edc4eb44e27">openvrml::node</a>.</p>

</div>
</div><p>
<a class="anchor" name="0bf4ce39c70352983fdd05d3525cbef2"></a><!-- doxytag: member="openvrml::viewpoint_node::do_transformation" ref="0bf4ce39c70352983fdd05d3525cbef2" args="() const =0" -->
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      <table class="memname">
        <tr>
          <td class="memname">const <a class="el" href="structopenvrml_1_1mat4f.html">openvrml::mat4f</a> &amp; openvrml::viewpoint_node::do_transformation           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [private, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the transformation of the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code> in the global coordinate system. </dd></dl>

</div>
</div><p>
<a class="anchor" name="2109028182148bd34f2d2cdb8249c7d2"></a><!-- doxytag: member="openvrml::viewpoint_node::do_user_view_transform" ref="2109028182148bd34f2d2cdb8249c7d2" args="() const =0" -->
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<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const <a class="el" href="structopenvrml_1_1mat4f.html">openvrml::mat4f</a> &amp; openvrml::viewpoint_node::do_user_view_transform           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [private, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="2767a062de6f76043fb0ee25e3200dd1"></a><!-- doxytag: member="openvrml::viewpoint_node::do_user_view_transform" ref="2767a062de6f76043fb0ee25e3200dd1" args="(const mat4f &amp;transform)=0" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void openvrml::viewpoint_node::do_user_view_transform           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1mat4f.html">mat4f</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>transform</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [private, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Set the transformation of the user view relative to the <code><a class="el" href="classopenvrml_1_1viewpoint__node.html" title="Abstract base class for viewpoint nodes.">viewpoint_node</a></code>. 
<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>transform</em>&nbsp;</td><td>the new transformation. </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="b95d7618d2e6fca4854d860cc4726b48"></a><!-- doxytag: member="openvrml::viewpoint_node::do_description" ref="b95d7618d2e6fca4854d860cc4726b48" args="() const =0" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const std::string &amp; openvrml::viewpoint_node::do_description           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [private, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the description. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the description. </dd></dl>

</div>
</div><p>
<a class="anchor" name="9e5bdea23b6dc0f07dc0d18dac78a9f5"></a><!-- doxytag: member="openvrml::viewpoint_node::do_field_of_view" ref="9e5bdea23b6dc0f07dc0d18dac78a9f5" args="() const =0" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">float openvrml::viewpoint_node::do_field_of_view           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [private, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get the field of view. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the field of view in radians. </dd></dl>

</div>
</div><p>
</div>
</div>
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