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<h1>transform.h</h1><a href="transform_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> pbrt source code Copyright(c) 1998-2007 Matt Pharr and Greg Humphreys.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This file is part of pbrt.</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment"> pbrt is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00010"></a>00010 <span class="comment"> (at your option) any later version. Note that the text contents of</span>
<a name="l00011"></a>00011 <span class="comment"> the book "Physically Based Rendering" are *not* licensed under the</span>
<a name="l00012"></a>00012 <span class="comment"> GNU GPL.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> pbrt is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00017"></a>00017 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00020"></a>00020 <span class="comment"> along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
<a name="l00021"></a>00021 <span class="comment"></span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef PBRT_TRANSFORM_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define PBRT_TRANSFORM_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="comment">// transform.h*</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="pbrt_8h.html">pbrt.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="geometry_8h.html">geometry.h</a>"</span>
<a name="l00029"></a>00029 <span class="comment">// Transform Declarations</span>
<a name="l00030"></a><a class="code" href="classTransform.html">00030</a> <span class="keyword">class </span><a class="code" href="pbrt_8h.html#1ca894daa11d476d9e76947dceaf0255">COREDLL</a> <a class="code" href="classTransform.html">Transform</a> {
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00032"></a>00032 <span class="comment">// Transform Public Methods</span>
<a name="l00033"></a><a class="code" href="classTransform.html#a08ca4266efabc768973cdeea51945ab">00033</a> <a class="code" href="classTransform.html">Transform</a>() {
<a name="l00034"></a>00034 m = mInv = <span class="keyword">new</span> <a class="code" href="structMatrix4x4.html">Matrix4x4</a>;
<a name="l00035"></a>00035 }
<a name="l00036"></a><a class="code" href="classTransform.html#ad549a6062fa5ff8d189c3c66f4afa4a">00036</a> <a class="code" href="classTransform.html">Transform</a>(<span class="keywordtype">float</span> mat[4][4]) {
<a name="l00037"></a>00037 m=<span class="keyword">new</span> <a class="code" href="structMatrix4x4.html">Matrix4x4</a>(mat[0][0],mat[0][1],mat[0][2],mat[0][3],
<a name="l00038"></a>00038 mat[1][0],mat[1][1],mat[1][2],mat[1][3],
<a name="l00039"></a>00039 mat[2][0],mat[2][1],mat[2][2],mat[2][3],
<a name="l00040"></a>00040 mat[3][0],mat[3][1],mat[3][2],mat[3][3]);
<a name="l00041"></a>00041 mInv = m->Inverse();
<a name="l00042"></a>00042 }
<a name="l00043"></a><a class="code" href="classTransform.html#03557a6a1814b86a366e20089d55338a">00043</a> <a class="code" href="classTransform.html">Transform</a>(<span class="keyword">const</span> <a class="code" href="classReference.html">Reference<Matrix4x4></a> &mat) {
<a name="l00044"></a>00044 m = mat;
<a name="l00045"></a>00045 mInv = m->Inverse();
<a name="l00046"></a>00046 }
<a name="l00047"></a><a class="code" href="classTransform.html#16485aafa1fc26ce0371d5c68816c88e">00047</a> <a class="code" href="classTransform.html">Transform</a>(<span class="keyword">const</span> <a class="code" href="classReference.html">Reference<Matrix4x4></a> &mat,
<a name="l00048"></a>00048 <span class="keyword">const</span> <a class="code" href="classReference.html">Reference<Matrix4x4></a> &minv) {
<a name="l00049"></a>00049 m = mat;
<a name="l00050"></a>00050 mInv = minv;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052 <span class="keyword">friend</span> ostream &<a class="code" href="color_8cpp.html#3b3bb63dabe75a974aab091b1d698db1">operator<<</a>(ostream &, <span class="keyword">const</span> <a class="code" href="classTransform.html">Transform</a> &);
<a name="l00053"></a><a class="code" href="classTransform.html#ced6cc3fb16b20846fcee5aaf6432f49">00053</a> <a class="code" href="classTransform.html">Transform</a> GetInverse()<span class="keyword"> const </span>{
<a name="l00054"></a>00054 <span class="keywordflow">return</span> <a class="code" href="classTransform.html">Transform</a>(mInv, m);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 <span class="keywordtype">bool</span> HasScale() <span class="keyword">const</span>;
<a name="l00057"></a>00057 <span class="keyword">inline</span> <a class="code" href="classPoint.html">Point</a> operator()(<span class="keyword">const</span> <a class="code" href="classPoint.html">Point</a> &pt) <span class="keyword">const</span>;
<a name="l00058"></a>00058 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="classPoint.html">Point</a> &pt,<a class="code" href="classPoint.html">Point</a> *ptrans) <span class="keyword">const</span>;
<a name="l00059"></a>00059 <span class="keyword">inline</span> <a class="code" href="classVector.html">Vector</a> operator()(<span class="keyword">const</span> <a class="code" href="classVector.html">Vector</a> &v) <span class="keyword">const</span>;
<a name="l00060"></a>00060 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="classVector.html">Vector</a> &v, <a class="code" href="classVector.html">Vector</a> *vt) <span class="keyword">const</span>;
<a name="l00061"></a>00061 <span class="keyword">inline</span> <a class="code" href="classNormal.html">Normal</a> operator()(<span class="keyword">const</span> <a class="code" href="classNormal.html">Normal</a> &) <span class="keyword">const</span>;
<a name="l00062"></a>00062 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="classNormal.html">Normal</a> &, <a class="code" href="classNormal.html">Normal</a> *nt) <span class="keyword">const</span>;
<a name="l00063"></a>00063 <span class="keyword">inline</span> <a class="code" href="classRay.html">Ray</a> operator()(<span class="keyword">const</span> <a class="code" href="classRay.html">Ray</a> &r) <span class="keyword">const</span>;
<a name="l00064"></a>00064 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="classRay.html">Ray</a> &r, <a class="code" href="classRay.html">Ray</a> *rt) <span class="keyword">const</span>;
<a name="l00065"></a>00065 <a class="code" href="classBBox.html">BBox</a> operator()(<span class="keyword">const</span> <a class="code" href="classBBox.html">BBox</a> &b) <span class="keyword">const</span>;
<a name="l00066"></a>00066 <a class="code" href="classTransform.html">Transform</a> <a class="code" href="geometry_8h.html#7ca5a6f9e50644d780f6a869a8df08c5">operator*</a>(<span class="keyword">const</span> <a class="code" href="classTransform.html">Transform</a> &t2) <span class="keyword">const</span>;
<a name="l00067"></a>00067 <span class="keywordtype">bool</span> SwapsHandedness() <span class="keyword">const</span>;
<a name="l00068"></a>00068 <span class="keyword">private</span>:
<a name="l00069"></a>00069 <span class="comment">// Transform Private Data</span>
<a name="l00070"></a><a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">00070</a> <a class="code" href="classReference.html">Reference<Matrix4x4></a> m, mInv;
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072 <span class="comment">// Transform Inline Functions</span>
<a name="l00073"></a><a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">00073</a> <span class="keyword">inline</span> <a class="code" href="classPoint.html">Point</a> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classPoint.html">Point</a> &pt)<span class="keyword"> const </span>{
<a name="l00074"></a>00074 <span class="keywordtype">float</span> x = pt.<a class="code" href="classPoint.html#05dfe2dfbde813ad234b514f30e662f1">x</a>, y = pt.<a class="code" href="classPoint.html#6101960c8d2d4e8ea1d32c9234bbeb8d">y</a>, z = pt.<a class="code" href="classPoint.html#9a666531e0e99adff132be93d2407d0c">z</a>;
<a name="l00075"></a>00075 <span class="keywordtype">float</span> xp = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][3];
<a name="l00076"></a>00076 <span class="keywordtype">float</span> yp = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][3];
<a name="l00077"></a>00077 <span class="keywordtype">float</span> zp = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][3];
<a name="l00078"></a>00078 <span class="keywordtype">float</span> wp = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][3];
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <a class="code" href="pbrt_8h.html#ab1e54dcc40192f9704e8b252635450f">Assert</a>(wp != 0);
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (wp == 1.) <span class="keywordflow">return</span> <a class="code" href="classPoint.html">Point</a>(xp, yp, zp);
<a name="l00082"></a>00082 <span class="keywordflow">else</span> <span class="keywordflow">return</span> <a class="code" href="classPoint.html">Point</a>(xp, yp, zp)/wp;
<a name="l00083"></a>00083 }
<a name="l00084"></a><a class="code" href="classTransform.html#4a78da27f0e9d7d06c94af9a72f30f69">00084</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classPoint.html">Point</a> &pt,
<a name="l00085"></a>00085 <a class="code" href="classPoint.html">Point</a> *ptrans)<span class="keyword"> const </span>{
<a name="l00086"></a>00086 <span class="keywordtype">float</span> x = pt.<a class="code" href="classPoint.html#05dfe2dfbde813ad234b514f30e662f1">x</a>, y = pt.<a class="code" href="classPoint.html#6101960c8d2d4e8ea1d32c9234bbeb8d">y</a>, z = pt.<a class="code" href="classPoint.html#9a666531e0e99adff132be93d2407d0c">z</a>;
<a name="l00087"></a>00087 ptrans-><a class="code" href="classPoint.html#05dfe2dfbde813ad234b514f30e662f1">x</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][3];
<a name="l00088"></a>00088 ptrans-><a class="code" href="classPoint.html#6101960c8d2d4e8ea1d32c9234bbeb8d">y</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][3];
<a name="l00089"></a>00089 ptrans-><a class="code" href="classPoint.html#9a666531e0e99adff132be93d2407d0c">z</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][3];
<a name="l00090"></a>00090 <span class="keywordtype">float</span> w = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][2]*z + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[3][3];
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (w != 1.) *ptrans /= w;
<a name="l00092"></a>00092 }
<a name="l00093"></a><a class="code" href="classTransform.html#67a2881d4099c53ec472e0ee0d79299a">00093</a> <span class="keyword">inline</span> <a class="code" href="classVector.html">Vector</a> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classVector.html">Vector</a> &v)<span class="keyword"> const </span>{
<a name="l00094"></a>00094 <span class="keywordtype">float</span> x = v.<a class="code" href="classVector.html#ca49165049a1e21ae47afcfc078819ed">x</a>, y = v.<a class="code" href="classVector.html#81be9102fca6d9beea3efef522c4c09d">y</a>, z = v.<a class="code" href="classVector.html#0e84237d0830d5c459bfa5676b5fbfba">z</a>;
<a name="l00095"></a>00095 <span class="keywordflow">return</span> <a class="code" href="classVector.html">Vector</a>(<a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][2]*z,
<a name="l00096"></a>00096 <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][2]*z,
<a name="l00097"></a>00097 <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][0]*x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][1]*y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][2]*z);
<a name="l00098"></a>00098 }
<a name="l00099"></a><a class="code" href="classTransform.html#cc5c7bfa48c34e388670751751ba1fe7">00099</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classVector.html">Vector</a> &v,
<a name="l00100"></a>00100 <a class="code" href="classVector.html">Vector</a> *vt)<span class="keyword"> const </span>{
<a name="l00101"></a>00101 <span class="keywordtype">float</span> x = v.<a class="code" href="classVector.html#ca49165049a1e21ae47afcfc078819ed">x</a>, y = v.<a class="code" href="classVector.html#81be9102fca6d9beea3efef522c4c09d">y</a>, z = v.<a class="code" href="classVector.html#0e84237d0830d5c459bfa5676b5fbfba">z</a>;
<a name="l00102"></a>00102 vt-><a class="code" href="classVector.html#ca49165049a1e21ae47afcfc078819ed">x</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][0] * x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][1] * y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[0][2] * z;
<a name="l00103"></a>00103 vt-><a class="code" href="classVector.html#81be9102fca6d9beea3efef522c4c09d">y</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][0] * x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][1] * y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[1][2] * z;
<a name="l00104"></a>00104 vt-><a class="code" href="classVector.html#0e84237d0830d5c459bfa5676b5fbfba">z</a> = <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][0] * x + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][1] * y + <a class="code" href="classTransform.html#2184e2d58808e70cc0a13c1758103c11">m</a>->m[2][2] * z;
<a name="l00105"></a>00105 }
<a name="l00106"></a><a class="code" href="classTransform.html#019e033ad60390cc6fad8ad41f9b6651">00106</a> <span class="keyword">inline</span> <a class="code" href="classNormal.html">Normal</a> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classNormal.html">Normal</a> &n)<span class="keyword"> const </span>{
<a name="l00107"></a>00107 <span class="keywordtype">float</span> x = n.<a class="code" href="classNormal.html#3690f0464ff79057dbdb2e0b5fc0a657">x</a>, y = n.<a class="code" href="classNormal.html#5988fc7a5e2e7539c047363641d1a3c4">y</a>, z = n.<a class="code" href="classNormal.html#687c9da350e0300dd60b4e9c0ae45948">z</a>;
<a name="l00108"></a>00108 <span class="keywordflow">return</span> <a class="code" href="classNormal.html">Normal</a>(<a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][0]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][0]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][0]*z,
<a name="l00109"></a>00109 <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][1]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][1]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][1]*z,
<a name="l00110"></a>00110 <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][2]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][2]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][2]*z);
<a name="l00111"></a>00111 }
<a name="l00112"></a><a class="code" href="classTransform.html#ceefc5d28f95bcd98e7c8e3d15d8bce3">00112</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classNormal.html">Normal</a> &n,
<a name="l00113"></a>00113 <a class="code" href="classNormal.html">Normal</a> *nt)<span class="keyword"> const </span>{
<a name="l00114"></a>00114 <span class="keywordtype">float</span> x = n.<a class="code" href="classNormal.html#3690f0464ff79057dbdb2e0b5fc0a657">x</a>, y = n.<a class="code" href="classNormal.html#5988fc7a5e2e7539c047363641d1a3c4">y</a>, z = n.<a class="code" href="classNormal.html#687c9da350e0300dd60b4e9c0ae45948">z</a>;
<a name="l00115"></a>00115 nt-><a class="code" href="classNormal.html#3690f0464ff79057dbdb2e0b5fc0a657">x</a> = <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][0]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][0]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][0]*z;
<a name="l00116"></a>00116 nt-><a class="code" href="classNormal.html#5988fc7a5e2e7539c047363641d1a3c4">y</a> = <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][1]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][1]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][1]*z;
<a name="l00117"></a>00117 nt-><a class="code" href="classNormal.html#687c9da350e0300dd60b4e9c0ae45948">z</a> = <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[0][2]*x + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[1][2]*y + <a class="code" href="classTransform.html#bc22f9bd5fc99dd23da65372fbeef7ab">mInv</a>->m[2][2]*z;
<a name="l00118"></a>00118 }
<a name="l00119"></a><a class="code" href="classTransform.html#8edb14ed09f065713ea61d2436f49430">00119</a> <span class="keyword">inline</span> <a class="code" href="classRay.html">Ray</a> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classRay.html">Ray</a> &r)<span class="keyword"> const </span>{
<a name="l00120"></a>00120 <a class="code" href="classRay.html">Ray</a> ret;
<a name="l00121"></a>00121 (*this)(r.<a class="code" href="classRay.html#1014d000992e8ac3b92f150ad2a5cffe">o</a>, &ret.<a class="code" href="classRay.html#1014d000992e8ac3b92f150ad2a5cffe">o</a>);
<a name="l00122"></a>00122 (*this)(r.<a class="code" href="classRay.html#5bbfc94e178e0a050b51200acc579069">d</a>, &ret.<a class="code" href="classRay.html#5bbfc94e178e0a050b51200acc579069">d</a>);
<a name="l00123"></a>00123 ret.<a class="code" href="classRay.html#ded3b6e00c215611ebd61a6965560ba0">mint</a> = r.<a class="code" href="classRay.html#ded3b6e00c215611ebd61a6965560ba0">mint</a>;
<a name="l00124"></a>00124 ret.<a class="code" href="classRay.html#aa6c29ceae8edc5c9d37e879daa1557a">maxt</a> = r.<a class="code" href="classRay.html#aa6c29ceae8edc5c9d37e879daa1557a">maxt</a>;
<a name="l00125"></a>00125 ret.<a class="code" href="classRay.html#d118ddeccab760f91f74d8c01f6f545e">time</a> = r.<a class="code" href="classRay.html#d118ddeccab760f91f74d8c01f6f545e">time</a>;
<a name="l00126"></a>00126 <span class="keywordflow">return</span> ret;
<a name="l00127"></a>00127 }
<a name="l00128"></a><a class="code" href="classTransform.html#ed133b9693be21426c924db2e70473dc">00128</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classTransform.html#ab432461b60446b78d3c91053fb44d85">Transform::operator()</a>(<span class="keyword">const</span> <a class="code" href="classRay.html">Ray</a> &r,
<a name="l00129"></a>00129 <a class="code" href="classRay.html">Ray</a> *rt)<span class="keyword"> const </span>{
<a name="l00130"></a>00130 (*this)(r.<a class="code" href="classRay.html#1014d000992e8ac3b92f150ad2a5cffe">o</a>, &rt-><a class="code" href="classRay.html#1014d000992e8ac3b92f150ad2a5cffe">o</a>);
<a name="l00131"></a>00131 (*this)(r.<a class="code" href="classRay.html#5bbfc94e178e0a050b51200acc579069">d</a>, &rt-><a class="code" href="classRay.html#5bbfc94e178e0a050b51200acc579069">d</a>);
<a name="l00132"></a>00132 rt-><a class="code" href="classRay.html#ded3b6e00c215611ebd61a6965560ba0">mint</a> = r.<a class="code" href="classRay.html#ded3b6e00c215611ebd61a6965560ba0">mint</a>;
<a name="l00133"></a>00133 rt-><a class="code" href="classRay.html#aa6c29ceae8edc5c9d37e879daa1557a">maxt</a> = r.<a class="code" href="classRay.html#aa6c29ceae8edc5c9d37e879daa1557a">maxt</a>;
<a name="l00134"></a>00134 rt-><a class="code" href="classRay.html#d118ddeccab760f91f74d8c01f6f545e">time</a> = r.<a class="code" href="classRay.html#d118ddeccab760f91f74d8c01f6f545e">time</a>;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="preprocessor">#endif // PBRT_TRANSFORM_H</span>
</pre></div></div>
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