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  <div class="navpath"><a class="el" href="namespaceopenvrml.html">openvrml</a>::<a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a>
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<h1>openvrml::vec2d Struct Reference</h1><!-- doxytag: class="openvrml::vec2d" -->Two-component double-precision vector.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;openvrml/basetypes.h&gt;</code>
<p>

<p>
<a href="structopenvrml_1_1vec2d-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"><a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#82c4c4ec600895eef4299839536ffd1c">operator*=</a> (double scalar)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiply by a scalar.  <a href="#82c4c4ec600895eef4299839536ffd1c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#69b8fb133f5bee1b98f6cef156d74138">operator/=</a> (double scalar)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Divide by a scalar.  <a href="#69b8fb133f5bee1b98f6cef156d74138"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#339e9471d50f8aded1ab297d3fbed1c8">operator+=</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;<a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">vec</a>)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Add a vector.  <a href="#339e9471d50f8aded1ab297d3fbed1c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#8441e58d9a5ea13339fb99c9eaeeb3f6">operator-=</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;<a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">vec</a>)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Subtract a vector.  <a href="#8441e58d9a5ea13339fb99c9eaeeb3f6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#bdc46962ed5a5ad700f41124cdb38d46">operator-</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Negate.  <a href="#bdc46962ed5a5ad700f41124cdb38d46"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const double &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#e671d21a3a2c2e4e9287ae6d5a5809ea">operator[]</a> (std::size_t index) const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Index-based component access.  <a href="#e671d21a3a2c2e4e9287ae6d5a5809ea"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#8c4922a3890727e4e8e81f63e095dfaf">x</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the x component.  <a href="#8c4922a3890727e4e8e81f63e095dfaf"></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="structopenvrml_1_1vec2d.html#82e45dc3e3e7faaaf701aca947a34e9f">x</a> (double value)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the x component.  <a href="#82e45dc3e3e7faaaf701aca947a34e9f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#bd0b38c5fb77684b39bf93238af6866d">y</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the y component.  <a href="#bd0b38c5fb77684b39bf93238af6866d"></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="structopenvrml_1_1vec2d.html#db43666720cabf8e8ec8d432ebee8a5a">y</a> (double value)  throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the y component.  <a href="#db43666720cabf8e8ec8d432ebee8a5a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#9908d712aa72b79768a21119a0a2c354">dot</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;<a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">vec</a>) const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Dot product.  <a href="#9908d712aa72b79768a21119a0a2c354"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#787097c991f0a78b58a091a7675faced">length</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Geometric length.  <a href="#787097c991f0a78b58a091a7675faced"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#e1e58303450ad9e67bd0fdf4628ef267">normalize</a> () const   throw ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Normalize.  <a href="#e1e58303450ad9e67bd0fdf4628ef267"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">vec</a> [2]</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Vector components.  <a href="#1ae99b5690e0ba14a2d212b4a3f236cf"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#a3d7885a6a6a6631aa92c92fcc03373f">make_vec2d</a> () throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code>.  <a href="#a3d7885a6a6a6631aa92c92fcc03373f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#6db665d1461c06d48e06aeaec4462a60">make_vec2d</a> (const double(&amp;<a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">vec</a>)[2]) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> from an array.  <a href="#6db665d1461c06d48e06aeaec4462a60"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#6ce5e8c315782768076644d00d343a0f">make_vec2d</a> (const double x, const double y) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> from <code>x</code> and <code>y</code> components.  <a href="#6ce5e8c315782768076644d00d343a0f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#91b1a5a8dc26e74c38581d4608477160">operator*</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const double rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiply a vector by a scalar.  <a href="#91b1a5a8dc26e74c38581d4608477160"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#069143885bdc4e8bcdeb096af52376d6">operator*</a> (const double lhs, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiply a vector by a scalar.  <a href="#069143885bdc4e8bcdeb096af52376d6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#1b0067692d3bfd3b4f9fdc4a07b030fa">operator/</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const double rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Divide a vector by a scalar.  <a href="#1b0067692d3bfd3b4f9fdc4a07b030fa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#30ff61e15d01518a81997c2d22326ad8">operator+</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Add two vectors.  <a href="#30ff61e15d01518a81997c2d22326ad8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#39a107cd29b213de7135c3d033b4a9f4">operator-</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Subtract two vectors.  <a href="#39a107cd29b213de7135c3d033b4a9f4"></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="structopenvrml_1_1vec2d.html#fa2d2fe9c6e5e77c50d51231d44a9ed8">operator==</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare for equality.  <a href="#fa2d2fe9c6e5e77c50d51231d44a9ed8"></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="structopenvrml_1_1vec2d.html#0ea169c3f1e5b9c985ad6c25418abfa6">operator!=</a> (const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;lhs, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;rhs) throw()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare for inequality.  <a href="#0ea169c3f1e5b9c985ad6c25418abfa6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">std::istream &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#92067c5aff8dde3c6e62df946f569ce5">operator&gt;&gt;</a> (std::istream &amp;in, <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;v)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Stream input.  <a href="#92067c5aff8dde3c6e62df946f569ce5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">std::ostream &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structopenvrml_1_1vec2d.html#f781a5acfca2370e8d0df87260cfb831">operator&lt;&lt;</a> (std::ostream &amp;out, const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;v)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Stream output.  <a href="#f781a5acfca2370e8d0df87260cfb831"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Two-component double-precision vector. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="82c4c4ec600895eef4299839536ffd1c"></a><!-- doxytag: member="openvrml::vec2d::operator*=" ref="82c4c4ec600895eef4299839536ffd1c" args="(double scalar)" -->
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          <td class="memname"><a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> &amp; openvrml::vec2d::operator*=           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>scalar</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Multiply by a scalar. 
<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>scalar</em>&nbsp;</td><td>factor by which to multiply.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a reference to the object. </dd></dl>

</div>
</div><p>
<a class="anchor" name="69b8fb133f5bee1b98f6cef156d74138"></a><!-- doxytag: member="openvrml::vec2d::operator/=" ref="69b8fb133f5bee1b98f6cef156d74138" args="(double scalar)" -->
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          <td class="memname"><a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> &amp; openvrml::vec2d::operator/=           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>scalar</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()</td>
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<p>
Divide by a scalar. 
<p>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>scalar</code> is nonzero.</dd></dl>
<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>scalar</em>&nbsp;</td><td>divisor.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a reference to the object. </dd></dl>

</div>
</div><p>
<a class="anchor" name="339e9471d50f8aded1ab297d3fbed1c8"></a><!-- doxytag: member="openvrml::vec2d::operator+=" ref="339e9471d50f8aded1ab297d3fbed1c8" args="(const vec2d &amp;vec)" -->
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          <td class="memname"><a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> &amp; openvrml::vec2d::operator+=           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>vec</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()</td>
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<p>
Add a vector. 
<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>vec</em>&nbsp;</td><td>the vector to add.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a reference to the object. </dd></dl>

</div>
</div><p>
<a class="anchor" name="8441e58d9a5ea13339fb99c9eaeeb3f6"></a><!-- doxytag: member="openvrml::vec2d::operator&#45;=" ref="8441e58d9a5ea13339fb99c9eaeeb3f6" args="(const vec2d &amp;vec)" -->
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          <td class="memname"><a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> &amp; openvrml::vec2d::operator-=           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>vec</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()</td>
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<p>
Subtract a vector. 
<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>vec</em>&nbsp;</td><td>the vector to subtract.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a reference to the object. </dd></dl>

</div>
</div><p>
<a class="anchor" name="bdc46962ed5a5ad700f41124cdb38d46"></a><!-- doxytag: member="openvrml::vec2d::operator&#45;" ref="bdc46962ed5a5ad700f41124cdb38d46" args="() const " -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> openvrml::vec2d::operator-           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
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<p>
Negate. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the additive inverse of the vector. </dd></dl>

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</div><p>
<a class="anchor" name="e671d21a3a2c2e4e9287ae6d5a5809ea"></a><!-- doxytag: member="openvrml::vec2d::operator[]" ref="e671d21a3a2c2e4e9287ae6d5a5809ea" args="(std::size_t index) const " -->
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          <td class="memname">const double &amp; openvrml::vec2d::operator[]           </td>
          <td>(</td>
          <td class="paramtype">std::size_t&nbsp;</td>
          <td class="paramname"> <em>index</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [inline]</code></td>
        </tr>
      </table>
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<p>
Index-based component access. 
<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>index</em>&nbsp;</td><td>0 corresponds to the x component; 1 corresponds to the y component.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a const reference to the component corresponding to <code>index</code>.</dd></dl>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>index</code> is less than 2. </dd></dl>

</div>
</div><p>
<a class="anchor" name="8c4922a3890727e4e8e81f63e095dfaf"></a><!-- doxytag: member="openvrml::vec2d::x" ref="8c4922a3890727e4e8e81f63e095dfaf" args="() const " -->
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          <td class="memname">double openvrml::vec2d::x           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [inline]</code></td>
        </tr>
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<p>
Get the x component. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the x component. </dd></dl>

</div>
</div><p>
<a class="anchor" name="82e45dc3e3e7faaaf701aca947a34e9f"></a><!-- doxytag: member="openvrml::vec2d::x" ref="82e45dc3e3e7faaaf701aca947a34e9f" args="(double value)" -->
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          <td class="memname">void openvrml::vec2d::x           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>value</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [inline]</code></td>
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<p>
Set the x component. 
<p>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>value</code> is a valid numeric value (i.e., not NaN).</dd></dl>
<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>value</em>&nbsp;</td><td>new x component value. </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="bd0b38c5fb77684b39bf93238af6866d"></a><!-- doxytag: member="openvrml::vec2d::y" ref="bd0b38c5fb77684b39bf93238af6866d" args="() const " -->
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          <td class="memname">double openvrml::vec2d::y           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()<code> [inline]</code></td>
        </tr>
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<p>
Get the y component. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the y component. </dd></dl>

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<a class="anchor" name="db43666720cabf8e8ec8d432ebee8a5a"></a><!-- doxytag: member="openvrml::vec2d::y" ref="db43666720cabf8e8ec8d432ebee8a5a" args="(double value)" -->
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          <td class="memname">void openvrml::vec2d::y           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>value</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td>  throw ()<code> [inline]</code></td>
        </tr>
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<p>
Set the y component. 
<p>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>value</code> is a valid numeric value (i.e., not NaN).</dd></dl>
<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>value</em>&nbsp;</td><td>new y component value. </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="9908d712aa72b79768a21119a0a2c354"></a><!-- doxytag: member="openvrml::vec2d::dot" ref="9908d712aa72b79768a21119a0a2c354" args="(const vec2d &amp;vec) const " -->
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          <td class="memname">double openvrml::vec2d::dot           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>vec</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
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<p>
Dot product. 
<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>vec</em>&nbsp;</td><td></td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the dot product of the vector and <code>vec</code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="787097c991f0a78b58a091a7675faced"></a><!-- doxytag: member="openvrml::vec2d::length" ref="787097c991f0a78b58a091a7675faced" args="() const " -->
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          <td class="memname">double openvrml::vec2d::length           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
      </table>
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<p>
Geometric length. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the length of the vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="e1e58303450ad9e67bd0fdf4628ef267"></a><!-- doxytag: member="openvrml::vec2d::normalize" ref="e1e58303450ad9e67bd0fdf4628ef267" args="() const " -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> openvrml::vec2d::normalize           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> const  throw ()</td>
        </tr>
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<p>
Normalize. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the vector normalized. </dd></dl>

</div>
</div><p>
<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="a3d7885a6a6a6631aa92c92fcc03373f"></a><!-- doxytag: member="openvrml::vec2d::make_vec2d" ref="a3d7885a6a6a6631aa92c92fcc03373f" args="()" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> make_vec2d           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> throw()<code> [related]</code></td>
        </tr>
      </table>
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<p>
Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code>. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a zero-initialized <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="6db665d1461c06d48e06aeaec4462a60"></a><!-- doxytag: member="openvrml::vec2d::make_vec2d" ref="6db665d1461c06d48e06aeaec4462a60" args="(const double(&amp;vec)[2])" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> make_vec2d           </td>
          <td>(</td>
          <td class="paramtype">const double(&amp;)&nbsp;</td>
          <td class="paramname"> <em>vec</em>[2]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td> throw()<code> [related]</code></td>
        </tr>
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<p>
Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> from an array. 
<p>
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. <dl class="pre" compact><dt><b>Precondition:</b></dt><dd>Elements of <code>vec</code> are valid numeric values (i.e., not NaN).</dd></dl>
<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>vec</em>&nbsp;</td><td>an array comprising the vector components.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> with the values in <code>vec</code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="6ce5e8c315782768076644d00d343a0f"></a><!-- doxytag: member="openvrml::vec2d::make_vec2d" ref="6ce5e8c315782768076644d00d343a0f" args="(const double x, const double y)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> make_vec2d           </td>
          <td>(</td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>y</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
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<p>
Create a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> from <code>x</code> and <code>y</code> components. 
<p>
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. <dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>x</code> and <code>y</code> are valid numeric values (i.e., not NaN).</dd></dl>
<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>x</em>&nbsp;</td><td>x component. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>y</em>&nbsp;</td><td>y component.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code> with the values <code>x</code> and <code>y</code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="91b1a5a8dc26e74c38581d4608477160"></a><!-- doxytag: member="openvrml::vec2d::operator*" ref="91b1a5a8dc26e74c38581d4608477160" args="(const vec2d &amp;lhs, const double rhs)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> operator*           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
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<p>
Multiply a vector by a scalar. 
<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>lhs</em>&nbsp;</td><td>left-hand operand (the vector). </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand (the scalar).</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the result vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="069143885bdc4e8bcdeb096af52376d6"></a><!-- doxytag: member="openvrml::vec2d::operator*" ref="069143885bdc4e8bcdeb096af52376d6" args="(const double lhs, const vec2d &amp;rhs)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> operator*           </td>
          <td>(</td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
        </tr>
      </table>
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<p>
Multiply a vector by a scalar. 
<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>lhs</em>&nbsp;</td><td>left-hand operand (the scalar). </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand (the vector).</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the result vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="1b0067692d3bfd3b4f9fdc4a07b030fa"></a><!-- doxytag: member="openvrml::vec2d::operator/" ref="1b0067692d3bfd3b4f9fdc4a07b030fa" args="(const vec2d &amp;lhs, const double rhs)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> operator/           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
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<p>
Divide a vector by a scalar. 
<p>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd><code>rhs</code> is nonzero.</dd></dl>
<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>lhs</em>&nbsp;</td><td>left-hand operand (the vector). </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand (the scalar).</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the result vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="30ff61e15d01518a81997c2d22326ad8"></a><!-- doxytag: member="openvrml::vec2d::operator+" ref="30ff61e15d01518a81997c2d22326ad8" args="(const vec2d &amp;lhs, const vec2d &amp;rhs)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> operator+           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Add two vectors. 
<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>lhs</em>&nbsp;</td><td>left-hand operand. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the result vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="39a107cd29b213de7135c3d033b4a9f4"></a><!-- doxytag: member="openvrml::vec2d::operator&#45;" ref="39a107cd29b213de7135c3d033b4a9f4" args="(const vec2d &amp;lhs, const vec2d &amp;rhs)" -->
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          <td class="memname">const <a class="el" href="structopenvrml_1_1vec2d.html">openvrml::vec2d</a> operator-           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Subtract two vectors. 
<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>lhs</em>&nbsp;</td><td>left-hand operand. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>the result vector. </dd></dl>

</div>
</div><p>
<a class="anchor" name="fa2d2fe9c6e5e77c50d51231d44a9ed8"></a><!-- doxytag: member="openvrml::vec2d::operator==" ref="fa2d2fe9c6e5e77c50d51231d44a9ed8" args="(const vec2d &amp;lhs, const vec2d &amp;rhs)" -->
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          <td class="memname">bool operator==           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Compare for equality. 
<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>lhs</em>&nbsp;</td><td>left-hand operand. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>true</code> if <code>lhs</code> and <code>rhs</code> have the same value; <code>false</code> otherwise. </dd></dl>

</div>
</div><p>
<a class="anchor" name="0ea169c3f1e5b9c985ad6c25418abfa6"></a><!-- doxytag: member="openvrml::vec2d::operator!=" ref="0ea169c3f1e5b9c985ad6c25418abfa6" args="(const vec2d &amp;lhs, const vec2d &amp;rhs)" -->
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          <td class="memname">bool operator!=           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>lhs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rhs</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td> throw()<code> [related]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Compare for inequality. 
<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>lhs</em>&nbsp;</td><td>left-hand operand. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>rhs</em>&nbsp;</td><td>right-hand operand.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>true</code> if <code>lhs</code> and <code>rhs</code> dot not have the same value; <code>false</code> otherwise. </dd></dl>

</div>
</div><p>
<a class="anchor" name="92067c5aff8dde3c6e62df946f569ce5"></a><!-- doxytag: member="openvrml::vec2d::operator&gt;&gt;" ref="92067c5aff8dde3c6e62df946f569ce5" args="(std::istream &amp;in, vec2d &amp;v)" -->
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          <td class="memname">std::istream &amp; operator&gt;&gt;           </td>
          <td>(</td>
          <td class="paramtype">std::istream &amp;&nbsp;</td>
          <td class="paramname"> <em>in</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>v</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [related]</code></td>
        </tr>
      </table>
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<p>
Stream input. 
<p>
Consistent with the VRML97 convention, commas (&ldquo;<code></code>,&rdquo;) in the input are treated as whitespace.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in,out]</tt>&nbsp;</td><td valign="top"><em>in</em>&nbsp;</td><td>input stream. </td></tr>
    <tr><td valign="top"><tt>[out]</tt>&nbsp;</td><td valign="top"><em>v</em>&nbsp;</td><td>a <code><a class="el" href="structopenvrml_1_1vec2d.html" title="Two-component double-precision vector.">vec2d</a></code>.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>in</code>. </dd></dl>

</div>
</div><p>
<a class="anchor" name="f781a5acfca2370e8d0df87260cfb831"></a><!-- doxytag: member="openvrml::vec2d::operator&lt;&lt;" ref="f781a5acfca2370e8d0df87260cfb831" args="(std::ostream &amp;out, const vec2d &amp;v)" -->
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      <table class="memname">
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          <td class="memname">std::ostream &amp; operator&lt;&lt;           </td>
          <td>(</td>
          <td class="paramtype">std::ostream &amp;&nbsp;</td>
          <td class="paramname"> <em>out</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structopenvrml_1_1vec2d.html">vec2d</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>v</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [related]</code></td>
        </tr>
      </table>
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<p>
Stream output. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in,out]</tt>&nbsp;</td><td valign="top"><em>out</em>&nbsp;</td><td>output stream. </td></tr>
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>v</em>&nbsp;</td><td>a 2-component vector.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>out</code>. </dd></dl>

</div>
</div><p>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="1ae99b5690e0ba14a2d212b4a3f236cf"></a><!-- doxytag: member="openvrml::vec2d::vec" ref="1ae99b5690e0ba14a2d212b4a3f236cf" args="[2]" -->
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          <td class="memname">double <a class="el" href="structopenvrml_1_1vec2d.html#1ae99b5690e0ba14a2d212b4a3f236cf">openvrml::vec2d::vec</a>[2]          </td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Vector components. 
<p>

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