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<a href="FBP__DBTrecon_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> This program is a helper program for conebeam CT using C code.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> </span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (C) 2012 James Brock</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> </span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> This program is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> </span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> along with this program. If not, see <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <math.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <time.h></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <fftw3.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#ab64c24e21a46ddfe0f4168c16b882846"> 28</a></span> <span class="preprocessor">#define MAXSTRLEN 1000</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#ae71449b1cc6e6250b91f539153a7a0d3"> 29</a></span> <span class="preprocessor"></span><span class="preprocessor">#define M_PI 3.141592653589793</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="comment">// add to pi: 23846</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#a2fd2dd1cb252aa2d3f402ce418041852"> 31</a></span> <span class="preprocessor">#define FP_TH 1e-4</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#a73b7999f1a70308db8cb091e28be3a1d"> 33</a></span> <span class="keyword">typedef</span> <span class="keywordtype">float</span> <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#a73b7999f1a70308db8cb091e28be3a1d">DAT_TYPE</a>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3e"> 35</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3e">proc_lvl_t</a> {<a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3ea0480a34194550419d8acb8dfa226fc5d">PREWEIGHT</a>=0, <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3ea46cf360ad049a9d56c86020e5aba2662">PREFILTER</a>, <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3eabcb319b6fcc7bdc4d545de010cb8ab29">BACKPROJ</a>};</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="FBP__DBTrecon_8h.html#ae92fee15439a2d3de903923e168502d7"> 37</a></span> <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3e">proc_lvl_t</a> <a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae92fee15439a2d3de903923e168502d7">runlvl</a> =<a class="code" href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3ea0480a34194550419d8acb8dfa226fc5d">PREWEIGHT</a>;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_ae08cb97bdcd390fc2cde9dc4595eaf3ea0480a34194550419d8acb8dfa226fc5d"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3ea0480a34194550419d8acb8dfa226fc5d">PREWEIGHT</a></div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:35</div></div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_ae92fee15439a2d3de903923e168502d7"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae92fee15439a2d3de903923e168502d7">runlvl</a></div><div class="ttdeci">proc_lvl_t runlvl</div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:37</div></div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_ae08cb97bdcd390fc2cde9dc4595eaf3ea46cf360ad049a9d56c86020e5aba2662"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3ea46cf360ad049a9d56c86020e5aba2662">PREFILTER</a></div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:35</div></div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_ae08cb97bdcd390fc2cde9dc4595eaf3eabcb319b6fcc7bdc4d545de010cb8ab29"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3eabcb319b6fcc7bdc4d545de010cb8ab29">BACKPROJ</a></div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:35</div></div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_a73b7999f1a70308db8cb091e28be3a1d"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#a73b7999f1a70308db8cb091e28be3a1d">DAT_TYPE</a></div><div class="ttdeci">float DAT_TYPE</div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:33</div></div>
<div class="ttc" id="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h_html_ae08cb97bdcd390fc2cde9dc4595eaf3e"><div class="ttname"><a href="Aunnasha__code__read__inputfile_2FBP__DBTrecon_8h.html#ae08cb97bdcd390fc2cde9dc4595eaf3e">proc_lvl_t</a></div><div class="ttdeci">proc_lvl_t</div><div class="ttdef"><b>Definition:</b> FBP_DBTrecon.h:35</div></div>
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