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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>pbrt: Camera Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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<!-- Generated by Doxygen 1.6.2 -->
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<li><a href="index.html"><span>Main Page</span></a></li>
<li class="current"><a href="annotated.html"><span>Classes</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
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<div class="tabs">
<ul>
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul>
</div>
</div>
<div class="contents">
<h1>Camera Class Reference</h1><!-- doxytag: class="Camera" -->
<p><code>#include <<a class="el" href="camera_8h_source.html">camera.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for Camera:</div>
<div class="dynsection">
<div class="center">
<img src="classCamera.png" usemap="#Camera_map" alt=""/>
<map id="Camera_map" name="Camera_map">
<area href="classEnvironmentCamera.html" alt="EnvironmentCamera" shape="rect" coords="0,56,126,80"/>
<area href="classProjectiveCamera.html" alt="ProjectiveCamera" shape="rect" coords="136,56,262,80"/>
<area href="classOrthoCamera.html" alt="OrthoCamera" shape="rect" coords="68,112,194,136"/>
<area href="classPerspectiveCamera.html" alt="PerspectiveCamera" shape="rect" coords="204,112,330,136"/>
</map>
</div>
</div>
<p><a href="classCamera-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">virtual float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#ae3a367a988d1b1b961c890756c622b40">GenerateRay</a> (const <a class="el" href="structSample.html">Sample</a> &sample, <a class="el" href="classRay.html">Ray</a> *ray) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#ad1897942d0ccf91052386388a497349f">~Camera</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#a8d99a3756d201a1487b8eb8e21dc7621">Camera</a> (const <a class="el" href="classTransform.html">Transform</a> &world2cam, float hither, float yon, float sopen, float sclose, <a class="el" href="classFilm.html">Film</a> *<a class="el" href="classCamera.html#aa1b701af2d6b0e2cff382ed173e4a20a">film</a>)</td></tr>
<tr><td colspan="2"><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classFilm.html">Film</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#aa1b701af2d6b0e2cff382ed173e4a20a">film</a></td></tr>
<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTransform.html">Transform</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#acb957365b5a4773f16f78f0cab0127b0">WorldToCamera</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTransform.html">Transform</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#ae1b3ad505d20080729260283e6008b2e">CameraToWorld</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#a26ba51506b026c42c13b1c1ce15d8305">ClipHither</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#aa7ce0cb7fb54f5dbfb8fce2a63613d78">ClipYon</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#ab845952bba832f3d28e85c6c1095288c">ShutterOpen</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCamera.html#a3d7d26840cc59e219d85b24449d80d70">ShutterClose</a></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Definition at line <a class="el" href="camera_8h_source.html#l00033">33</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ad1897942d0ccf91052386388a497349f"></a><!-- doxytag: member="Camera::~Camera" ref="ad1897942d0ccf91052386388a497349f" args="()" -->
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<td class="memname">Camera::~Camera </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="camera_8cpp_source.html#l00030">30</a> of file <a class="el" href="camera_8cpp_source.html">camera.cpp</a>.</p>
<p>References <a class="el" href="camera_8h_source.html#l00042">film</a>.</p>
</div>
</div>
<a class="anchor" id="a8d99a3756d201a1487b8eb8e21dc7621"></a><!-- doxytag: member="Camera::Camera" ref="a8d99a3756d201a1487b8eb8e21dc7621" args="(const Transform &world2cam, float hither, float yon, float sopen, float sclose, Film *film)" -->
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<td class="memname">Camera::Camera </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classTransform.html">Transform</a> & </td>
<td class="paramname"> <em>world2cam</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>hither</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>yon</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>sopen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>sclose</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classFilm.html">Film</a> * </td>
<td class="paramname"> <em>film</em></td><td> </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="camera_8cpp_source.html#l00033">33</a> of file <a class="el" href="camera_8cpp_source.html">camera.cpp</a>.</p>
<p>References <a class="el" href="camera_8h_source.html#l00045">CameraToWorld</a>, <a class="el" href="camera_8h_source.html#l00046">ClipHither</a>, <a class="el" href="camera_8h_source.html#l00046">ClipYon</a>, <a class="el" href="camera_8h_source.html#l00042">film</a>, <a class="el" href="transform_8h_source.html#l00053">Transform::GetInverse()</a>, <a class="el" href="transform_8cpp_source.html#l00139">Transform::HasScale()</a>, <a class="el" href="camera_8h_source.html#l00047">ShutterClose</a>, <a class="el" href="camera_8h_source.html#l00047">ShutterOpen</a>, <a class="el" href="util_8cpp_source.html#l00080">Warning()</a>, and <a class="el" href="camera_8h_source.html#l00045">WorldToCamera</a>.</p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ae3a367a988d1b1b961c890756c622b40"></a><!-- doxytag: member="Camera::GenerateRay" ref="ae3a367a988d1b1b961c890756c622b40" args="(const Sample &sample, Ray *ray) const =0" -->
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<td class="memname">virtual float Camera::GenerateRay </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structSample.html">Sample</a> & </td>
<td class="paramname"> <em>sample</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classRay.html">Ray</a> * </td>
<td class="paramname"> <em>ray</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
</tr>
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<div class="memdoc">
<p>Implemented in <a class="el" href="classEnvironmentCamera.html#a9827b9ca44caa93111e1319ba70036c4">EnvironmentCamera</a>, <a class="el" href="classOrthoCamera.html#a128dfb1b0731f08a7120e2e18f400aff">OrthoCamera</a>, and <a class="el" href="classPerspectiveCamera.html#afa660bade74d07e98e4bcc7d42a175b8">PerspectiveCamera</a>.</p>
<p>Referenced by <a class="el" href="scene_8cpp_source.html#l00032">Scene::Render()</a>.</p>
</div>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="ae1b3ad505d20080729260283e6008b2e"></a><!-- doxytag: member="Camera::CameraToWorld" ref="ae1b3ad505d20080729260283e6008b2e" args="" -->
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<td class="memname"><a class="el" href="classTransform.html">Transform</a> <a class="el" href="classCamera.html#ae1b3ad505d20080729260283e6008b2e">Camera::CameraToWorld</a><code> [protected]</code></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="camera_8h_source.html#l00045">45</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="environment_8cpp_source.html#l00041">EnvironmentCamera::EnvironmentCamera()</a>, <a class="el" href="perspective_8cpp_source.html#l00051">PerspectiveCamera::GenerateRay()</a>, <a class="el" href="orthographic_8cpp_source.html#l00048">OrthoCamera::GenerateRay()</a>, and <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>.</p>
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<a class="anchor" id="a26ba51506b026c42c13b1c1ce15d8305"></a><!-- doxytag: member="Camera::ClipHither" ref="a26ba51506b026c42c13b1c1ce15d8305" args="" -->
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<td class="memname">float <a class="el" href="classCamera.html#a26ba51506b026c42c13b1c1ce15d8305">Camera::ClipHither</a><code> [protected]</code></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="camera_8h_source.html#l00046">46</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="perspective_8cpp_source.html#l00051">PerspectiveCamera::GenerateRay()</a>, <a class="el" href="orthographic_8cpp_source.html#l00048">OrthoCamera::GenerateRay()</a>, and <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>.</p>
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<a class="anchor" id="aa7ce0cb7fb54f5dbfb8fce2a63613d78"></a><!-- doxytag: member="Camera::ClipYon" ref="aa7ce0cb7fb54f5dbfb8fce2a63613d78" args="" -->
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<td class="memname">float <a class="el" href="classCamera.html#aa7ce0cb7fb54f5dbfb8fce2a63613d78">Camera::ClipYon</a><code> [protected]</code></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="camera_8h_source.html#l00046">46</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="perspective_8cpp_source.html#l00051">PerspectiveCamera::GenerateRay()</a>, <a class="el" href="orthographic_8cpp_source.html#l00048">OrthoCamera::GenerateRay()</a>, and <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>.</p>
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<a class="anchor" id="aa1b701af2d6b0e2cff382ed173e4a20a"></a><!-- doxytag: member="Camera::film" ref="aa1b701af2d6b0e2cff382ed173e4a20a" args="" -->
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<td class="memname"><a class="el" href="classFilm.html">Film</a>* <a class="el" href="classCamera.html#aa1b701af2d6b0e2cff382ed173e4a20a">Camera::film</a></td>
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<p>Definition at line <a class="el" href="camera_8h_source.html#l00042">42</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>, <a class="el" href="camera_8cpp_source.html#l00050">ProjectiveCamera::ProjectiveCamera()</a>, <a class="el" href="scene_8cpp_source.html#l00032">Scene::Render()</a>, and <a class="el" href="camera_8cpp_source.html#l00030">~Camera()</a>.</p>
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<a class="anchor" id="a3d7d26840cc59e219d85b24449d80d70"></a><!-- doxytag: member="Camera::ShutterClose" ref="a3d7d26840cc59e219d85b24449d80d70" args="" -->
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<td class="memname">float <a class="el" href="classCamera.html#a3d7d26840cc59e219d85b24449d80d70">Camera::ShutterClose</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="camera_8h_source.html#l00047">47</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="perspective_8cpp_source.html#l00051">PerspectiveCamera::GenerateRay()</a>, <a class="el" href="orthographic_8cpp_source.html#l00048">OrthoCamera::GenerateRay()</a>, and <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>.</p>
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<a class="anchor" id="ab845952bba832f3d28e85c6c1095288c"></a><!-- doxytag: member="Camera::ShutterOpen" ref="ab845952bba832f3d28e85c6c1095288c" args="" -->
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<td class="memname">float <a class="el" href="classCamera.html#ab845952bba832f3d28e85c6c1095288c">Camera::ShutterOpen</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="camera_8h_source.html#l00047">47</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, <a class="el" href="perspective_8cpp_source.html#l00051">PerspectiveCamera::GenerateRay()</a>, <a class="el" href="orthographic_8cpp_source.html#l00048">OrthoCamera::GenerateRay()</a>, and <a class="el" href="environment_8cpp_source.html#l00047">EnvironmentCamera::GenerateRay()</a>.</p>
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<a class="anchor" id="acb957365b5a4773f16f78f0cab0127b0"></a><!-- doxytag: member="Camera::WorldToCamera" ref="acb957365b5a4773f16f78f0cab0127b0" args="" -->
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<td class="memname"><a class="el" href="classTransform.html">Transform</a> <a class="el" href="classCamera.html#acb957365b5a4773f16f78f0cab0127b0">Camera::WorldToCamera</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="camera_8h_source.html#l00045">45</a> of file <a class="el" href="camera_8h_source.html">camera.h</a>.</p>
<p>Referenced by <a class="el" href="camera_8cpp_source.html#l00033">Camera()</a>, and <a class="el" href="camera_8cpp_source.html#l00050">ProjectiveCamera::ProjectiveCamera()</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="camera_8h_source.html">camera.h</a></li>
<li><a class="el" href="camera_8cpp_source.html">camera.cpp</a></li>
</ul>
</div>
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