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<h1>Anisotropic Class Reference</h1><!-- doxytag: class="Anisotropic" --><!-- doxytag: inherits="MicrofacetDistribution" -->
<p><code>#include &lt;<a class="el" href="reflection_8h_source.html">reflection.h</a>&gt;</code></p>
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Inheritance diagram for Anisotropic:</div>
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 <div class="center">
  <img src="classAnisotropic.png" usemap="#Anisotropic_map" alt=""/>
  <map id="Anisotropic_map" name="Anisotropic_map">
<area href="classMicrofacetDistribution.html" alt="MicrofacetDistribution" shape="rect" coords="0,0,136,24"/>
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<p><a href="classAnisotropic-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#a770622206e61e5476c5ff8ff87bfb506">Anisotropic</a> (float x, float y)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#abe0d20d7f7045cf107705f922477b49a">D</a> (const <a class="el" href="classVector.html">Vector</a> &amp;wh) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#a70c18f6be79983ae5b6943206569f4df">Sample_f</a> (const <a class="el" href="classVector.html">Vector</a> &amp;wo, <a class="el" href="classVector.html">Vector</a> *wi, float u1, float u2, float *pdf) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#a78b71aad64cdbf7bd25f2e5528c7211f">Pdf</a> (const <a class="el" href="classVector.html">Vector</a> &amp;wo, const <a class="el" href="classVector.html">Vector</a> &amp;wi) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#aa5aeee9bc6db928825ddee2c3c4d222e">sampleFirstQuadrant</a> (float u1, float u2, float *phi, float *costheta) const </td></tr>
<tr><td colspan="2"><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#a4e120ba92ebbd200c6c53e0a5639ac83">ex</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAnisotropic.html#a8505713e101722785f2f5b3d9455afde">ey</a></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>

<p>Definition at line <a class="el" href="reflection_8h_source.html#l00326">326</a> of file <a class="el" href="reflection_8h_source.html">reflection.h</a>.</p>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a770622206e61e5476c5ff8ff87bfb506"></a><!-- doxytag: member="Anisotropic::Anisotropic" ref="a770622206e61e5476c5ff8ff87bfb506" args="(float x, float y)" -->
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          <td class="memname">Anisotropic::Anisotropic </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>y</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
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<p>Definition at line <a class="el" href="reflection_8h_source.html#l00329">329</a> of file <a class="el" href="reflection_8h_source.html">reflection.h</a>.</p>

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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="abe0d20d7f7045cf107705f922477b49a"></a><!-- doxytag: member="Anisotropic::D" ref="abe0d20d7f7045cf107705f922477b49a" args="(const Vector &amp;wh) const " -->
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          <td class="memname">float Anisotropic::D </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classVector.html">Vector</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>wh</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [inline, virtual]</code></td>
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<p>Implements <a class="el" href="classMicrofacetDistribution.html#a332f586d59a2519c7890b95d64b0ed8a">MicrofacetDistribution</a>.</p>

<p>Definition at line <a class="el" href="reflection_8h_source.html#l00333">333</a> of file <a class="el" href="reflection_8h_source.html">reflection.h</a>.</p>

<p>References <a class="el" href="reflection_8h_source.html#l00031">CosTheta()</a>, <a class="el" href="pbrt_8h_source.html#l00206">INV_TWOPI</a>, <a class="el" href="geometry_8h_source.html#l00093">Vector::x</a>, and <a class="el" href="geometry_8h_source.html#l00093">Vector::y</a>.</p>

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<a class="anchor" id="a78b71aad64cdbf7bd25f2e5528c7211f"></a><!-- doxytag: member="Anisotropic::Pdf" ref="a78b71aad64cdbf7bd25f2e5528c7211f" args="(const Vector &amp;wo, const Vector &amp;wi) const " -->
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          <td class="memname">float Anisotropic::Pdf </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classVector.html">Vector</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>wo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classVector.html">Vector</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>wi</em></td><td>&nbsp;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td> const<code> [virtual]</code></td>
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<p>Implements <a class="el" href="classMicrofacetDistribution.html#a7bbd3ac3e59d5efdcfda9a5f69bcc15b">MicrofacetDistribution</a>.</p>

<p>Definition at line <a class="el" href="reflection_8cpp_source.html#l00319">319</a> of file <a class="el" href="reflection_8cpp_source.html">reflection.cpp</a>.</p>

<p>References <a class="el" href="reflection_8h_source.html#l00031">CosTheta()</a>, <a class="el" href="geometry_8h_source.html#l00300">Dot()</a>, <a class="el" href="reflection_8h_source.html#l00344">ex</a>, <a class="el" href="reflection_8h_source.html#l00344">ey</a>, <a class="el" href="pbrt_8h_source.html#l00206">INV_TWOPI</a>, <a class="el" href="geometry_8h_source.html#l00321">Normalize()</a>, <a class="el" href="geometry_8h_source.html#l00093">Vector::x</a>, and <a class="el" href="geometry_8h_source.html#l00093">Vector::y</a>.</p>

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<a class="anchor" id="a70c18f6be79983ae5b6943206569f4df"></a><!-- doxytag: member="Anisotropic::Sample_f" ref="a70c18f6be79983ae5b6943206569f4df" args="(const Vector &amp;wo, Vector *wi, float u1, float u2, float *pdf) const " -->
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          <td class="memname">void Anisotropic::Sample_f </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classVector.html">Vector</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>wo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classVector.html">Vector</a> *&nbsp;</td>
          <td class="paramname"> <em>wi</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&nbsp;</td>
          <td class="paramname"> <em>pdf</em></td><td>&nbsp;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td> const<code> [virtual]</code></td>
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<p>Implements <a class="el" href="classMicrofacetDistribution.html#a366ee22cdddc25b95ec20b62f5ea8f10">MicrofacetDistribution</a>.</p>

<p>Definition at line <a class="el" href="reflection_8cpp_source.html#l00273">273</a> of file <a class="el" href="reflection_8cpp_source.html">reflection.cpp</a>.</p>

<p>References <a class="el" href="reflection_8h_source.html#l00031">CosTheta()</a>, <a class="el" href="geometry_8h_source.html#l00300">Dot()</a>, <a class="el" href="reflection_8h_source.html#l00344">ex</a>, <a class="el" href="reflection_8h_source.html#l00344">ey</a>, <a class="el" href="pbrt_8h_source.html#l00206">INV_TWOPI</a>, <a class="el" href="pbrt_8h_source.html#l00204">M_PI</a>, <a class="el" href="reflection_8h_source.html#l00048">SameHemisphere()</a>, <a class="el" href="reflection_8cpp_source.html#l00308">sampleFirstQuadrant()</a>, <a class="el" href="geometry_8h_source.html#l00388">SphericalDirection()</a>, <a class="el" href="geometry_8h_source.html#l00093">Vector::x</a>, and <a class="el" href="geometry_8h_source.html#l00093">Vector::y</a>.</p>

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<a class="anchor" id="aa5aeee9bc6db928825ddee2c3c4d222e"></a><!-- doxytag: member="Anisotropic::sampleFirstQuadrant" ref="aa5aeee9bc6db928825ddee2c3c4d222e" args="(float u1, float u2, float *phi, float *costheta) const " -->
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          <td class="memname">void Anisotropic::sampleFirstQuadrant </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&nbsp;</td>
          <td class="paramname"> <em>phi</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&nbsp;</td>
          <td class="paramname"> <em>costheta</em></td><td>&nbsp;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td> const</td>
        </tr>
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<p>Definition at line <a class="el" href="reflection_8cpp_source.html#l00308">308</a> of file <a class="el" href="reflection_8cpp_source.html">reflection.cpp</a>.</p>

<p>References <a class="el" href="reflection_8h_source.html#l00344">ex</a>, <a class="el" href="reflection_8h_source.html#l00344">ey</a>, and <a class="el" href="pbrt_8h_source.html#l00204">M_PI</a>.</p>

<p>Referenced by <a class="el" href="reflection_8cpp_source.html#l00273">Sample_f()</a>.</p>

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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a4e120ba92ebbd200c6c53e0a5639ac83"></a><!-- doxytag: member="Anisotropic::ex" ref="a4e120ba92ebbd200c6c53e0a5639ac83" args="" -->
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          <td class="memname">float <a class="el" href="classAnisotropic.html#a4e120ba92ebbd200c6c53e0a5639ac83">Anisotropic::ex</a><code> [private]</code></td>
        </tr>
      </table>
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<p>Definition at line <a class="el" href="reflection_8h_source.html#l00344">344</a> of file <a class="el" href="reflection_8h_source.html">reflection.h</a>.</p>

<p>Referenced by <a class="el" href="reflection_8cpp_source.html#l00319">Pdf()</a>, <a class="el" href="reflection_8cpp_source.html#l00273">Sample_f()</a>, and <a class="el" href="reflection_8cpp_source.html#l00308">sampleFirstQuadrant()</a>.</p>

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<a class="anchor" id="a8505713e101722785f2f5b3d9455afde"></a><!-- doxytag: member="Anisotropic::ey" ref="a8505713e101722785f2f5b3d9455afde" args="" -->
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          <td class="memname">float <a class="el" href="classAnisotropic.html#a8505713e101722785f2f5b3d9455afde">Anisotropic::ey</a><code> [private]</code></td>
        </tr>
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<p>Definition at line <a class="el" href="reflection_8h_source.html#l00344">344</a> of file <a class="el" href="reflection_8h_source.html">reflection.h</a>.</p>

<p>Referenced by <a class="el" href="reflection_8cpp_source.html#l00319">Pdf()</a>, <a class="el" href="reflection_8cpp_source.html#l00273">Sample_f()</a>, and <a class="el" href="reflection_8cpp_source.html#l00308">sampleFirstQuadrant()</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="reflection_8h_source.html">reflection.h</a></li>
<li><a class="el" href="reflection_8cpp_source.html">reflection.cpp</a></li>
</ul>
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