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<h1>transport.h File Reference</h1><code>#include &quot;<a class="el" href="pbrt_8h_source.html">pbrt.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="primitive_8h_source.html">primitive.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="color_8h_source.html">color.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="light_8h_source.html">light.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="reflection_8h_source.html">reflection.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="sampling_8h_source.html">sampling.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="material_8h_source.html">material.h</a>&quot;</code><br/>

<p><a href="transport_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classIntegrator.html">Integrator</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSurfaceIntegrator.html">SurfaceIntegrator</a></td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="transport_8h.html#ab9dc243808fac32535dce9d4c4a29699">UniformSampleAllLights</a> (const <a class="el" href="classScene.html">Scene</a> *scene, const <a class="el" href="classPoint.html">Point</a> &amp;p, const <a class="el" href="classNormal.html">Normal</a> &amp;n, const <a class="el" href="classVector.html">Vector</a> &amp;wo, <a class="el" href="classBSDF.html">BSDF</a> *bsdf, const <a class="el" href="structSample.html">Sample</a> *sample, int *lightSampleOffset, int *bsdfSampleOffset, int *bsdfComponentOffset)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="transport_8h.html#a6da14d37c6bf61c480ee2cab3b3e4dae">UniformSampleOneLight</a> (const <a class="el" href="classScene.html">Scene</a> *scene, const <a class="el" href="classPoint.html">Point</a> &amp;p, const <a class="el" href="classNormal.html">Normal</a> &amp;n, const <a class="el" href="classVector.html">Vector</a> &amp;wo, <a class="el" href="classBSDF.html">BSDF</a> *bsdf, const <a class="el" href="structSample.html">Sample</a> *sample, int lightSampleOffset=-1, int lightNumOffset=-1, int bsdfSampleOffset=-1, int bsdfComponentOffset=-1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="transport_8h.html#acb5222d2696b6a81368e82829f35c795">WeightedSampleOneLight</a> (const <a class="el" href="classScene.html">Scene</a> *scene, const <a class="el" href="classPoint.html">Point</a> &amp;p, const <a class="el" href="classNormal.html">Normal</a> &amp;n, const <a class="el" href="classVector.html">Vector</a> &amp;wo, <a class="el" href="classBSDF.html">BSDF</a> *bsdf, const <a class="el" href="structSample.html">Sample</a> *sample, int lightSampleOffset, int lightNumOffset, int bsdfSampleOffset, int bsdfComponentOffset, float *&amp;avgY, float *&amp;avgYsample, float *&amp;cdf, float &amp;overallAvgY)</td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ab9dc243808fac32535dce9d4c4a29699"></a><!-- doxytag: member="transport.h::UniformSampleAllLights" ref="ab9dc243808fac32535dce9d4c4a29699" args="(const Scene *scene, const Point &amp;p, const Normal &amp;n, const Vector &amp;wo, BSDF *bsdf, const Sample *sample, int *lightSampleOffset, int *bsdfSampleOffset, int *bsdfComponentOffset)" -->
<div class="memitem">
<div class="memproto">
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          <td class="memname">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a> UniformSampleAllLights </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classScene.html">Scene</a> *&nbsp;</td>
          <td class="paramname"> <em>scene</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classPoint.html">Point</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>p</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classNormal.html">Normal</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>n</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>wo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classBSDF.html">BSDF</a> *&nbsp;</td>
          <td class="paramname"> <em>bsdf</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structSample.html">Sample</a> *&nbsp;</td>
          <td class="paramname"> <em>sample</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>lightSampleOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>bsdfSampleOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>bsdfComponentOffset</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
        </tr>
      </table>
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<div class="memdoc">

<p>Definition at line <a class="el" href="transport_8cpp_source.html#l00031">31</a> of file <a class="el" href="transport_8cpp_source.html">transport.cpp</a>.</p>

<p>References <a class="el" href="transport_8cpp_source.html#l00123">EstimateDirect()</a>, <a class="el" href="scene_8h_source.html#l00052">Scene::lights</a>, and <a class="el" href="sampling_8h_source.html#l00071">Sample::n2D</a>.</p>

<p>Referenced by <a class="el" href="photonmap_8cpp_source.html#l00299">PhotonIntegrator::Li()</a>, <a class="el" href="irradiancecache_8cpp_source.html#l00117">IrradianceCache::Li()</a>, <a class="el" href="igi_8cpp_source.html#l00170">IGIIntegrator::Li()</a>, <a class="el" href="exphotonmap_8cpp_source.html#l00494">ExPhotonIntegrator::Li()</a>, and <a class="el" href="directlighting_8cpp_source.html#l00091">DirectLighting::Li()</a>.</p>

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</div>
<a class="anchor" id="a6da14d37c6bf61c480ee2cab3b3e4dae"></a><!-- doxytag: member="transport.h::UniformSampleOneLight" ref="a6da14d37c6bf61c480ee2cab3b3e4dae" args="(const Scene *scene, const Point &amp;p, const Normal &amp;n, const Vector &amp;wo, BSDF *bsdf, const Sample *sample, int lightSampleOffset=&#45;1, int lightNumOffset=&#45;1, int bsdfSampleOffset=&#45;1, int bsdfComponentOffset=&#45;1)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a> UniformSampleOneLight </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classScene.html">Scene</a> *&nbsp;</td>
          <td class="paramname"> <em>scene</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classPoint.html">Point</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>p</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classNormal.html">Normal</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>n</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>wo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classBSDF.html">BSDF</a> *&nbsp;</td>
          <td class="paramname"> <em>bsdf</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structSample.html">Sample</a> *&nbsp;</td>
          <td class="paramname"> <em>sample</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>lightSampleOffset</em> = <code>-1</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>lightNumOffset</em> = <code>-1</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>bsdfSampleOffset</em> = <code>-1</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>bsdfComponentOffset</em> = <code>-1</code></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
        </tr>
      </table>
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<div class="memdoc">

<p>Definition at line <a class="el" href="transport_8cpp_source.html#l00051">51</a> of file <a class="el" href="transport_8cpp_source.html">transport.cpp</a>.</p>

<p>References <a class="el" href="transport_8cpp_source.html#l00123">EstimateDirect()</a>, <a class="el" href="pbrt_8h_source.html#l00622">Floor2Int()</a>, <a class="el" href="scene_8h_source.html#l00052">Scene::lights</a>, <a class="el" href="sampling_8h_source.html#l00072">Sample::oneD</a>, and <a class="el" href="pbrt_8h_source.html#l00638">RandomFloat()</a>.</p>

<p>Referenced by <a class="el" href="irradiancecache_8cpp_source.html#l00213">IrradianceCache::IndirectLo()</a>, <a class="el" href="path_8cpp_source.html#l00058">PathIntegrator::Li()</a>, <a class="el" href="directlighting_8cpp_source.html#l00091">DirectLighting::Li()</a>, <a class="el" href="bidirectional_8cpp_source.html#l00080">BidirIntegrator::Li()</a>, and <a class="el" href="transport_8cpp_source.html#l00071">WeightedSampleOneLight()</a>.</p>

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</div>
<a class="anchor" id="acb5222d2696b6a81368e82829f35c795"></a><!-- doxytag: member="transport.h::WeightedSampleOneLight" ref="acb5222d2696b6a81368e82829f35c795" args="(const Scene *scene, const Point &amp;p, const Normal &amp;n, const Vector &amp;wo, BSDF *bsdf, const Sample *sample, int lightSampleOffset, int lightNumOffset, int bsdfSampleOffset, int bsdfComponentOffset, float *&amp;avgY, float *&amp;avgYsample, float *&amp;cdf, float &amp;overallAvgY)" -->
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname">COREDLL <a class="el" href="classSpectrum.html">Spectrum</a> WeightedSampleOneLight </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classScene.html">Scene</a> *&nbsp;</td>
          <td class="paramname"> <em>scene</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classPoint.html">Point</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>p</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classNormal.html">Normal</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>n</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>wo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classBSDF.html">BSDF</a> *&nbsp;</td>
          <td class="paramname"> <em>bsdf</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structSample.html">Sample</a> *&nbsp;</td>
          <td class="paramname"> <em>sample</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>lightSampleOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>lightNumOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>bsdfSampleOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>bsdfComponentOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&amp;&nbsp;</td>
          <td class="paramname"> <em>avgY</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&amp;&nbsp;</td>
          <td class="paramname"> <em>avgYsample</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float *&amp;&nbsp;</td>
          <td class="paramname"> <em>cdf</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float &amp;&nbsp;</td>
          <td class="paramname"> <em>overallAvgY</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
        </tr>
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<div class="memdoc">

<p>Definition at line <a class="el" href="transport_8cpp_source.html#l00071">71</a> of file <a class="el" href="transport_8cpp_source.html">transport.cpp</a>.</p>

<p>References <a class="el" href="mc_8cpp_source.html#l00031">ComputeStep1dCDF()</a>, <a class="el" href="transport_8cpp_source.html#l00123">EstimateDirect()</a>, <a class="el" href="pbrt_8h_source.html#l00664">ExponentialAverage()</a>, <a class="el" href="pbrt_8h_source.html#l00614">Float2Int()</a>, <a class="el" href="scene_8h_source.html#l00052">Scene::lights</a>, <a class="el" href="sampling_8h_source.html#l00072">Sample::oneD</a>, <a class="el" href="mc_8cpp_source.html#l00043">SampleStep1d()</a>, <a class="el" href="transport_8cpp_source.html#l00051">UniformSampleOneLight()</a>, and <a class="el" href="color_8h_source.html#l00185">Spectrum::y()</a>.</p>

<p>Referenced by <a class="el" href="directlighting_8cpp_source.html#l00091">DirectLighting::Li()</a>.</p>

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