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<h1>samplepat.cpp 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="sampling_8h_source.html">sampling.h</a>&quot;</code><br/>

<p><a href="core_2samplepat_8cpp_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a20f40f737c0202326c45b7fe6a0d16df">SQRT_SAMPLE_TABLE_SIZE</a>&nbsp;&nbsp;&nbsp;64</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a2406afda3dfcf1f2af980ac506b51ce1">SAMPLE_TABLE_SIZE</a></td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a731b9ba1d5fd1dd45ae81e5cfebce127">addSampleToGrid</a> (float sample[][2], int sampleNum, <a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> *grid)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a7e0c5f56077ad118106584671210ef47">Wrapped1DDist</a> (float a, float b)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a19b7a7c55e4e9575b4fc7b21b2d10403">BestCandidate2D</a> (float table[][2], int count, <a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> *grid=NULL)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a1062682d2c367cefda151ffbfeebf390">Redistribute2D</a> (float samples[][2], <a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> &amp;pixelGrid)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr><td colspan="2"><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a7661b5d028be7f8997cef563e3890fd9">line_num</a> = 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a3ffcdfc07f90b7e8cdef3ed656156aaf">current_file</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a75297ccd232a868eee6098a5a664fe7e">imageSamples</a> [SAMPLE_TABLE_SIZE][2]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#a524d5b3ec02a657f8b653398e822fc88">timeSamples</a> [SAMPLE_TABLE_SIZE]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="core_2samplepat_8cpp.html#ac2dcced9bcf6821bd426ee0e2fdd4211">lensSamples</a> [SAMPLE_TABLE_SIZE][2]</td></tr>
</table>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a2406afda3dfcf1f2af980ac506b51ce1"></a><!-- doxytag: member="core/samplepat.cpp::SAMPLE_TABLE_SIZE" ref="a2406afda3dfcf1f2af980ac506b51ce1" args="" -->
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          <td class="memname">#define SAMPLE_TABLE_SIZE</td>
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<b>Value:</b><div class="fragment"><pre class="fragment">(<a class="code" href="core_2samplepat_8cpp.html#a20f40f737c0202326c45b7fe6a0d16df">SQRT_SAMPLE_TABLE_SIZE</a> * \
                           <a class="code" href="core_2samplepat_8cpp.html#a20f40f737c0202326c45b7fe6a0d16df">SQRT_SAMPLE_TABLE_SIZE</a>)
</pre></div>
<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00029">29</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="bestcandidate_8cpp_source.html#l00061">BestCandidateSampler::BestCandidateSampler()</a>, <a class="el" href="bestcandidate_8cpp_source.html#l00075">BestCandidateSampler::GetNextSample()</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00190">Redistribute2D()</a>.</p>

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<a class="anchor" id="a20f40f737c0202326c45b7fe6a0d16df"></a><!-- doxytag: member="core/samplepat.cpp::SQRT_SAMPLE_TABLE_SIZE" ref="a20f40f737c0202326c45b7fe6a0d16df" args="" -->
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          <td class="memname">#define SQRT_SAMPLE_TABLE_SIZE&nbsp;&nbsp;&nbsp;64</td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00028">28</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="bestcandidate_8cpp_source.html#l00061">BestCandidateSampler::BestCandidateSampler()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>.</p>

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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a731b9ba1d5fd1dd45ae81e5cfebce127"></a><!-- doxytag: member="core/samplepat.cpp::addSampleToGrid" ref="a731b9ba1d5fd1dd45ae81e5cfebce127" args="(float sample[][2], int sampleNum, SampleGrid *grid)" -->
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          <td class="memname">static void addSampleToGrid </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>sample</em>[][2], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>sampleNum</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> *&nbsp;</td>
          <td class="paramname"> <em>grid</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [static]</code></td>
        </tr>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00039">39</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>References <a class="el" href="pbrt_8h_source.html#l00156">GRID</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00134">BestCandidate2D()</a>.</p>

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<a class="anchor" id="a19b7a7c55e4e9575b4fc7b21b2d10403"></a><!-- doxytag: member="core/samplepat.cpp::BestCandidate2D" ref="a19b7a7c55e4e9575b4fc7b21b2d10403" args="(float table[][2], int count, SampleGrid *grid=NULL)" -->
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          <td class="memname">void BestCandidate2D </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>table</em>[][2], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>count</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> *&nbsp;</td>
          <td class="paramname"> <em>grid</em> = <code>NULL</code></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00134">134</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>References <a class="el" href="core_2samplepat_8cpp_source.html#l00039">addSampleToGrid()</a>, <a class="el" href="pbrt_8h_source.html#l00154">BC_GRID_SIZE</a>, <a class="el" href="util_8cpp_source.html#l00441">ProgressReporter::Done()</a>, <a class="el" href="pbrt_8h_source.html#l00156">GRID</a>, <a class="el" href="pbrt_8h_source.html#l00638">RandomFloat()</a>, <a class="el" href="util_8cpp_source.html#l00419">ProgressReporter::Update()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00045">Wrapped1DDist()</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>.</p>

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<a class="anchor" id="ae66f6b31b5ad750f1fe042a706a4e3d4"></a><!-- doxytag: member="core/samplepat.cpp::main" ref="ae66f6b31b5ad750f1fe042a706a4e3d4" args="()" -->
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          <td class="memname">int main </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00055">55</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>References <a class="el" href="pbrt_8h_source.html#l00544">Assert</a>, <a class="el" href="pbrt_8h_source.html#l00154">BC_GRID_SIZE</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00134">BestCandidate2D()</a>, <a class="el" href="util_8cpp_source.html#l00441">ProgressReporter::Done()</a>, <a class="el" href="pbrt_8h_source.html#l00156">GRID</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00035">imageSamples</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00037">lensSamples</a>, <a class="el" href="pbrt_8h_source.html#l00638">RandomFloat()</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00190">Redistribute2D()</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00029">SAMPLE_TABLE_SIZE</a>, <a class="el" href="util_8cpp_source.html#l00092">Severe()</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00028">SQRT_SAMPLE_TABLE_SIZE</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00036">timeSamples</a>, <a class="el" href="util_8cpp_source.html#l00419">ProgressReporter::Update()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00045">Wrapped1DDist()</a>.</p>

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<a class="anchor" id="a1062682d2c367cefda151ffbfeebf390"></a><!-- doxytag: member="core/samplepat.cpp::Redistribute2D" ref="a1062682d2c367cefda151ffbfeebf390" args="(float samples[][2], SampleGrid &amp;pixelGrid)" -->
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          <td class="memname">static void Redistribute2D </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>samples</em>[][2], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pbrt_8h.html#a73aa996bd4ce32da6aafc4db8df39bda">SampleGrid</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>pixelGrid</em></td><td>&nbsp;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [static]</code></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00190">190</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>References <a class="el" href="pbrt_8h_source.html#l00544">Assert</a>, <a class="el" href="pbrt_8h_source.html#l00154">BC_GRID_SIZE</a>, <a class="el" href="util_8cpp_source.html#l00441">ProgressReporter::Done()</a>, <a class="el" href="pbrt_8h_source.html#l00156">GRID</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00035">imageSamples</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00029">SAMPLE_TABLE_SIZE</a>, <a class="el" href="util_8cpp_source.html#l00419">ProgressReporter::Update()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00045">Wrapped1DDist()</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>.</p>

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<a class="anchor" id="a7e0c5f56077ad118106584671210ef47"></a><!-- doxytag: member="core/samplepat.cpp::Wrapped1DDist" ref="a7e0c5f56077ad118106584671210ef47" args="(float a, float b)" -->
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          <td class="memname">float Wrapped1DDist </td>
          <td>(</td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float&nbsp;</td>
          <td class="paramname"> <em>b</em></td><td>&nbsp;</td>
        </tr>
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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="core_2samplepat_8cpp_source.html#l00045">45</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00134">BestCandidate2D()</a>, <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00190">Redistribute2D()</a>.</p>

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<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="a3ffcdfc07f90b7e8cdef3ed656156aaf"></a><!-- doxytag: member="core/samplepat.cpp::current_file" ref="a3ffcdfc07f90b7e8cdef3ed656156aaf" args="" -->
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          <td class="memname">string <a class="el" href="core_2samplepat_8cpp.html#a3ffcdfc07f90b7e8cdef3ed656156aaf">current_file</a></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00033">33</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

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<a class="anchor" id="a75297ccd232a868eee6098a5a664fe7e"></a><!-- doxytag: member="core/samplepat.cpp::imageSamples" ref="a75297ccd232a868eee6098a5a664fe7e" args="[SAMPLE_TABLE_SIZE][2]" -->
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          <td class="memname">float <a class="el" href="tools_2samplepat_8cpp.html#a75297ccd232a868eee6098a5a664fe7e">imageSamples</a>[SAMPLE_TABLE_SIZE][2]<code> [static]</code></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00035">35</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>, and <a class="el" href="core_2samplepat_8cpp_source.html#l00190">Redistribute2D()</a>.</p>

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<a class="anchor" id="ac2dcced9bcf6821bd426ee0e2fdd4211"></a><!-- doxytag: member="core/samplepat.cpp::lensSamples" ref="ac2dcced9bcf6821bd426ee0e2fdd4211" args="[SAMPLE_TABLE_SIZE][2]" -->
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          <td class="memname">float <a class="el" href="tools_2samplepat_8cpp.html#ac2dcced9bcf6821bd426ee0e2fdd4211">lensSamples</a>[SAMPLE_TABLE_SIZE][2]<code> [static]</code></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00037">37</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>.</p>

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<a class="anchor" id="a7661b5d028be7f8997cef563e3890fd9"></a><!-- doxytag: member="core/samplepat.cpp::line_num" ref="a7661b5d028be7f8997cef563e3890fd9" args="" -->
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          <td class="memname">int <a class="el" href="core_2samplepat_8cpp.html#a7661b5d028be7f8997cef563e3890fd9">line_num</a> = 0</td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00032">32</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="parser_8cpp_source.html#l00027">ParseFile()</a>, and <a class="el" href="util_8cpp_source.html#l00036">processError()</a>.</p>

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<a class="anchor" id="a524d5b3ec02a657f8b653398e822fc88"></a><!-- doxytag: member="core/samplepat.cpp::timeSamples" ref="a524d5b3ec02a657f8b653398e822fc88" args="[SAMPLE_TABLE_SIZE]" -->
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          <td class="memname">float <a class="el" href="tools_2samplepat_8cpp.html#a524d5b3ec02a657f8b653398e822fc88">timeSamples</a>[SAMPLE_TABLE_SIZE]<code> [static]</code></td>
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<p>Definition at line <a class="el" href="core_2samplepat_8cpp_source.html#l00036">36</a> of file <a class="el" href="core_2samplepat_8cpp_source.html">core/samplepat.cpp</a>.</p>

<p>Referenced by <a class="el" href="core_2samplepat_8cpp_source.html#l00055">main()</a>.</p>

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