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<h1>GonioPhotometricLight Class Reference</h1><!-- doxytag: class="GonioPhotometricLight" --><!-- doxytag: inherits="Light" --><div class="dynheader">
Inheritance diagram for GonioPhotometricLight:</div>
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  <img src="classGonioPhotometricLight.png" usemap="#GonioPhotometricLight_map" alt=""/>
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<p><a href="classGonioPhotometricLight-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<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="classGonioPhotometricLight.html#abfcec8a732fb4bcfd7253b6858e03ad4">GonioPhotometricLight</a> (const <a class="el" href="classTransform.html">Transform</a> &amp;light2world, const <a class="el" href="classSpectrum.html">Spectrum</a> &amp;, const string &amp;texname)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a8d053f5e1b78c0fb140e47dd3a0eb895">Sample_L</a> (const <a class="el" href="classPoint.html">Point</a> &amp;p, <a class="el" href="classVector.html">Vector</a> *wi, <a class="el" href="structVisibilityTester.html">VisibilityTester</a> *vis) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a6cdd03009d5849e77cff377dd7d44f9a">~GonioPhotometricLight</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a64d6c347212bead665739bf5ec9da002">IsDeltaLight</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#ab8849e0c3767842cab08d5edcbb14ae0">Scale</a> (const <a class="el" href="classVector.html">Vector</a> &amp;w) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a56ec27ae87224992c45bc4b88467c83c">Power</a> (const <a class="el" href="classScene.html">Scene</a> *) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a99d374516449d7398a43f8434a1915fe">Sample_L</a> (const <a class="el" href="classPoint.html">Point</a> &amp;P, float u1, float u2, <a class="el" href="classVector.html">Vector</a> *wo, float *pdf, <a class="el" href="structVisibilityTester.html">VisibilityTester</a> *visibility) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a6374d901b26123f9bde334f35cb71304">Sample_L</a> (const <a class="el" href="classScene.html">Scene</a> *scene, float u1, float u2, float u3, float u4, <a class="el" href="classRay.html">Ray</a> *ray, 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="classGonioPhotometricLight.html#a741c0e33d8325053f8c7db449de4989f">Pdf</a> (const <a class="el" href="classPoint.html">Point</a> &amp;, const <a class="el" href="classVector.html">Vector</a> &amp;) const </td></tr>
<tr><td colspan="2"><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classPoint.html">Point</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#ae341ff031a844e66a7948bc912860560">lightPos</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a24c8f3df32c40ddd41db33fe84814851">Intensity</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classMIPMap.html">MIPMap</a>&lt; <a class="el" href="classSpectrum.html">Spectrum</a> &gt; *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classGonioPhotometricLight.html#a45bdd8f5b98e77eeecd2dd25fbcfb715">mipmap</a></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00031">31</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="abfcec8a732fb4bcfd7253b6858e03ad4"></a><!-- doxytag: member="GonioPhotometricLight::GonioPhotometricLight" ref="abfcec8a732fb4bcfd7253b6858e03ad4" args="(const Transform &amp;light2world, const Spectrum &amp;, const string &amp;texname)" -->
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          <td class="memname">GonioPhotometricLight::GonioPhotometricLight </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classTransform.html">Transform</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>light2world</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classSpectrum.html">Spectrum</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>intensity</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const string &amp;&nbsp;</td>
          <td class="paramname"> <em>texname</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
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<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00070">70</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="goniometric_8cpp_source.html#l00059">Intensity</a>, <a class="el" href="goniometric_8cpp_source.html#l00058">lightPos</a>, <a class="el" href="light_8h_source.html#l00074">Light::LightToWorld</a>, <a class="el" href="goniometric_8cpp_source.html#l00060">mipmap</a>, and <a class="el" href="exrio_8cpp_source.html#l00040">ReadImage()</a>.</p>

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<a class="anchor" id="a6cdd03009d5849e77cff377dd7d44f9a"></a><!-- doxytag: member="GonioPhotometricLight::~GonioPhotometricLight" ref="a6cdd03009d5849e77cff377dd7d44f9a" args="()" -->
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          <td class="memname">GonioPhotometricLight::~GonioPhotometricLight </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
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<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00037">37</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="goniometric_8cpp_source.html#l00060">mipmap</a>.</p>

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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a64d6c347212bead665739bf5ec9da002"></a><!-- doxytag: member="GonioPhotometricLight::IsDeltaLight" ref="a64d6c347212bead665739bf5ec9da002" args="() const " -->
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          <td class="memname">bool GonioPhotometricLight::IsDeltaLight </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [inline, virtual]</code></td>
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<p>Implements <a class="el" href="classLight.html#a14dee2044c7b26c6ae57d75eaf4d385a">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00038">38</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

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<a class="anchor" id="a741c0e33d8325053f8c7db449de4989f"></a><!-- doxytag: member="GonioPhotometricLight::Pdf" ref="a741c0e33d8325053f8c7db449de4989f" args="(const Point &amp;, const Vector &amp;) const " -->
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          <td class="memname">float GonioPhotometricLight::Pdf </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classPoint.html">Point</a> &amp;&nbsp;</td>
          <td class="paramname">, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classVector.html">Vector</a> &amp;&nbsp;</td>
          <td class="paramname"></td><td>&nbsp;</td>
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          <td>)</td>
          <td></td><td></td><td> const<code> [virtual]</code></td>
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<p>Implements <a class="el" href="classLight.html#ab98b08aeeaed6c7a7f6db75f9eb0f337">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00100">100</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

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<a class="anchor" id="a56ec27ae87224992c45bc4b88467c83c"></a><!-- doxytag: member="GonioPhotometricLight::Power" ref="a56ec27ae87224992c45bc4b88467c83c" args="(const Scene *) const " -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> GonioPhotometricLight::Power </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classScene.html">Scene</a> *&nbsp;</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [inline, virtual]</code></td>
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<p>Implements <a class="el" href="classLight.html#a63b1464dccee2e1f4891b88e2cf69ae2">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00047">47</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="goniometric_8cpp_source.html#l00059">Intensity</a>, <a class="el" href="mipmap_8h_source.html#l00203">MIPMap&lt; T &gt;::Lookup()</a>, <a class="el" href="pbrt_8h_source.html#l00204">M_PI</a>, and <a class="el" href="goniometric_8cpp_source.html#l00060">mipmap</a>.</p>

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<a class="anchor" id="a6374d901b26123f9bde334f35cb71304"></a><!-- doxytag: member="GonioPhotometricLight::Sample_L" ref="a6374d901b26123f9bde334f35cb71304" args="(const Scene *scene, float u1, float u2, float u3, float u4, Ray *ray, float *pdf) const " -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> GonioPhotometricLight::Sample_L </td>
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          <td class="paramname"> <em>scene</em>, </td>
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          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u2</em>, </td>
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          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u3</em>, </td>
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          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>u4</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classRay.html">Ray</a> *&nbsp;</td>
          <td class="paramname"> <em>ray</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">float *&nbsp;</td>
          <td class="paramname"> <em>pdf</em></td><td>&nbsp;</td>
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          <td>)</td>
          <td></td><td></td><td> const<code> [virtual]</code></td>
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<p>Implements <a class="el" href="classLight.html#aff997d524a767586d1fba5d92911172c">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00093">93</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="geometry_8h_source.html#l00214">Ray::d</a>, <a class="el" href="goniometric_8cpp_source.html#l00059">Intensity</a>, <a class="el" href="goniometric_8cpp_source.html#l00058">lightPos</a>, <a class="el" href="geometry_8h_source.html#l00213">Ray::o</a>, <a class="el" href="goniometric_8cpp_source.html#l00039">Scale()</a>, <a class="el" href="mc_8cpp_source.html#l00074">UniformSampleSphere()</a>, and <a class="el" href="mc_8cpp_source.html#l00082">UniformSpherePdf()</a>.</p>

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<a class="anchor" id="a99d374516449d7398a43f8434a1915fe"></a><!-- doxytag: member="GonioPhotometricLight::Sample_L" ref="a99d374516449d7398a43f8434a1915fe" args="(const Point &amp;P, float u1, float u2, Vector *wo, float *pdf, VisibilityTester *visibility) const " -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> GonioPhotometricLight::Sample_L </td>
          <td>(</td>
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          <td class="paramtype">float&nbsp;</td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classVector.html">Vector</a> *&nbsp;</td>
          <td class="paramname"> <em>wo</em>, </td>
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          <td class="paramtype">float *&nbsp;</td>
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          <td class="paramkey"></td>
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          <td class="paramtype"><a class="el" href="structVisibilityTester.html">VisibilityTester</a> *&nbsp;</td>
          <td class="paramname"> <em>visibility</em></td><td>&nbsp;</td>
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<p>Implements <a class="el" href="classLight.html#a6b6ee1e0f18c6b98bea9c7304ac6813c">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00085">85</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="geometry_8h_source.html#l00338">DistanceSquared()</a>, <a class="el" href="goniometric_8cpp_source.html#l00059">Intensity</a>, <a class="el" href="goniometric_8cpp_source.html#l00058">lightPos</a>, <a class="el" href="geometry_8h_source.html#l00321">Normalize()</a>, <a class="el" href="goniometric_8cpp_source.html#l00039">Scale()</a>, and <a class="el" href="light_8h_source.html#l00078">VisibilityTester::SetSegment()</a>.</p>

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<a class="anchor" id="a8d053f5e1b78c0fb140e47dd3a0eb895"></a><!-- doxytag: member="GonioPhotometricLight::Sample_L" ref="a8d053f5e1b78c0fb140e47dd3a0eb895" args="(const Point &amp;p, Vector *wi, VisibilityTester *vis) const " -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> GonioPhotometricLight::Sample_L </td>
          <td>(</td>
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<p>Implements <a class="el" href="classLight.html#acc1f14dae6074cc9c16b7387020e814c">Light</a>.</p>

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00064">64</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="geometry_8h_source.html#l00338">DistanceSquared()</a>, <a class="el" href="goniometric_8cpp_source.html#l00059">Intensity</a>, <a class="el" href="goniometric_8cpp_source.html#l00058">lightPos</a>, <a class="el" href="geometry_8h_source.html#l00321">Normalize()</a>, <a class="el" href="goniometric_8cpp_source.html#l00039">Scale()</a>, and <a class="el" href="light_8h_source.html#l00078">VisibilityTester::SetSegment()</a>.</p>

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<a class="anchor" id="ab8849e0c3767842cab08d5edcbb14ae0"></a><!-- doxytag: member="GonioPhotometricLight::Scale" ref="ab8849e0c3767842cab08d5edcbb14ae0" args="(const Vector &amp;w) const " -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> GonioPhotometricLight::Scale </td>
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<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00039">39</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>References <a class="el" href="pbrt_8h_source.html#l00205">INV_PI</a>, <a class="el" href="pbrt_8h_source.html#l00206">INV_TWOPI</a>, <a class="el" href="mipmap_8h_source.html#l00203">MIPMap&lt; T &gt;::Lookup()</a>, <a class="el" href="goniometric_8cpp_source.html#l00060">mipmap</a>, <a class="el" href="geometry_8h_source.html#l00321">Normalize()</a>, <a class="el" href="geometry_8h_source.html#l00406">SphericalPhi()</a>, <a class="el" href="geometry_8h_source.html#l00403">SphericalTheta()</a>, <a class="el" href="light_8h_source.html#l00074">Light::WorldToLight</a>, <a class="el" href="geometry_8h_source.html#l00093">Vector::y</a>, and <a class="el" href="geometry_8h_source.html#l00093">Vector::z</a>.</p>

<p>Referenced by <a class="el" href="goniometric_8cpp_source.html#l00064">Sample_L()</a>.</p>

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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a24c8f3df32c40ddd41db33fe84814851"></a><!-- doxytag: member="GonioPhotometricLight::Intensity" ref="a24c8f3df32c40ddd41db33fe84814851" args="" -->
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          <td class="memname"><a class="el" href="classSpectrum.html">Spectrum</a> <a class="el" href="classGonioPhotometricLight.html#a24c8f3df32c40ddd41db33fe84814851">GonioPhotometricLight::Intensity</a><code> [private]</code></td>
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<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00059">59</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>Referenced by <a class="el" href="goniometric_8cpp_source.html#l00070">GonioPhotometricLight()</a>, <a class="el" href="goniometric_8cpp_source.html#l00047">Power()</a>, and <a class="el" href="goniometric_8cpp_source.html#l00064">Sample_L()</a>.</p>

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<a class="anchor" id="ae341ff031a844e66a7948bc912860560"></a><!-- doxytag: member="GonioPhotometricLight::lightPos" ref="ae341ff031a844e66a7948bc912860560" args="" -->
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          <td class="memname"><a class="el" href="classPoint.html">Point</a> <a class="el" href="classGonioPhotometricLight.html#ae341ff031a844e66a7948bc912860560">GonioPhotometricLight::lightPos</a><code> [private]</code></td>
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<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00058">58</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>Referenced by <a class="el" href="goniometric_8cpp_source.html#l00070">GonioPhotometricLight()</a>, and <a class="el" href="goniometric_8cpp_source.html#l00064">Sample_L()</a>.</p>

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<a class="anchor" id="a45bdd8f5b98e77eeecd2dd25fbcfb715"></a><!-- doxytag: member="GonioPhotometricLight::mipmap" ref="a45bdd8f5b98e77eeecd2dd25fbcfb715" args="" -->
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          <td class="memname"><a class="el" href="classMIPMap.html">MIPMap</a>&lt;<a class="el" href="classSpectrum.html">Spectrum</a>&gt;* <a class="el" href="classGonioPhotometricLight.html#a45bdd8f5b98e77eeecd2dd25fbcfb715">GonioPhotometricLight::mipmap</a><code> [private]</code></td>
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<div class="memdoc">

<p>Definition at line <a class="el" href="goniometric_8cpp_source.html#l00060">60</a> of file <a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a>.</p>

<p>Referenced by <a class="el" href="goniometric_8cpp_source.html#l00070">GonioPhotometricLight()</a>, <a class="el" href="goniometric_8cpp_source.html#l00047">Power()</a>, <a class="el" href="goniometric_8cpp_source.html#l00039">Scale()</a>, and <a class="el" href="goniometric_8cpp_source.html#l00037">~GonioPhotometricLight()</a>.</p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="goniometric_8cpp_source.html">goniometric.cpp</a></li>
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