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<title>ParadisEO-MOMovingObjects: graph.cpp Source File</title>
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<h1>graph.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
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<a name="l00002"></a>00002
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<a name="l00003"></a>00003 <span class="comment">// "graph.cpp"</span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team, LIFL, 2003-2006</span>
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<a name="l00006"></a>00006
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<a name="l00007"></a>00007 <span class="comment">/* LICENCE TEXT </span>
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<a name="l00008"></a>00008 <span class="comment"> </span>
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<a name="l00009"></a>00009 <span class="comment"> Contact: paradiseo-help@lists.gforge.inria.fr</span>
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<a name="l00010"></a>00010 <span class="comment">*/</span>
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<a name="l00011"></a>00011
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<a name="l00012"></a>00012 <span class="preprocessor">#include <fstream></span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include <iostream></span>
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<a name="l00014"></a>00014 <span class="preprocessor">#include <math.h></span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016 <span class="preprocessor">#include "graph.h"</span>
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<a name="l00017"></a>00017
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<a name="l00018"></a><a class="code" href="namespace_graph.html">00018</a> <span class="keyword">namespace </span>Graph {
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<a name="l00019"></a>00019
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<a name="l00020"></a><a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">00020</a> <span class="keyword">static</span> std :: vector <std :: pair <double, double> > <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> ; <span class="comment">// Coordinates</span>
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<a name="l00021"></a>00021
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<a name="l00022"></a><a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">00022</a> <span class="keyword">static</span> std :: vector <std :: vector <unsigned int> > <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a> ; <span class="comment">// Distances Mat.</span>
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<a name="l00023"></a>00023
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<a name="l00024"></a><a class="code" href="namespace_graph.html#28d00fd97d57e79738e7df7ba8214f5c">00024</a> <span class="keywordtype">unsigned</span> <a class="code" href="namespace_graph.html#28d00fd97d57e79738e7df7ba8214f5c">size</a> ()
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<a name="l00025"></a>00025 {
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<a name="l00026"></a>00026 <span class="keywordflow">return</span> <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a>.size () ;
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<a name="l00027"></a>00027 }
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<a name="l00028"></a>00028
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<a name="l00029"></a><a class="code" href="namespace_graph.html#517d15215e1529a6585e15949f29c326">00029</a> <span class="keywordtype">void</span> <a class="code" href="namespace_graph.html#517d15215e1529a6585e15949f29c326">computeDistances</a> ()
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<a name="l00030"></a>00030 {
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 <span class="comment">// Dim.</span>
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<a name="l00033"></a>00033 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numCities = <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a>.size () ;
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<a name="l00034"></a>00034 <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a>.resize (numCities) ;
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<a name="l00035"></a>00035 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i < <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a>.size () ; i ++)
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<a name="l00036"></a>00036 {
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<a name="l00037"></a>00037 <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a> [i].resize (numCities) ;
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<a name="l00038"></a>00038 }
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 <span class="comment">// Computations.</span>
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<a name="l00041"></a>00041 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i < <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a>.size () ; i ++)
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<a name="l00042"></a>00042 {
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<a name="l00043"></a>00043 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j = i + 1 ; j < <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a>.size () ; j ++)
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<a name="l00044"></a>00044 {
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<a name="l00045"></a>00045 <span class="keywordtype">double</span> distX = (<span class="keywordtype">double</span>)(<a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [i].first - <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [j].first) ;
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<a name="l00046"></a>00046 <span class="keywordtype">double</span> distY = (double)(<a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [i].second - <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [j].second) ;
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<a name="l00047"></a>00047 <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a> [i] [j] = <a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a> [j] [i] = (unsigned) (sqrt ((<span class="keywordtype">float</span>) (distX * distX + distY * distY)) + 0.5) ;
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<a name="l00048"></a>00048 }
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<a name="l00049"></a>00049 }
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<a name="l00050"></a>00050 }
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<a name="l00051"></a>00051
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<a name="l00052"></a><a class="code" href="namespace_graph.html#95f0bc08fa93f8f4abf1801674488b30">00052</a> <span class="keywordtype">void</span> <a class="code" href="namespace_graph.html#95f0bc08fa93f8f4abf1801674488b30">load</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> * __fileName)
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<a name="l00053"></a>00053 {
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055 std :: ifstream f (__fileName) ;
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<a name="l00056"></a>00056
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<a name="l00057"></a>00057 std :: cout << <span class="stringliteral">">> Loading ["</span> << __fileName << <span class="stringliteral">"]"</span> << std :: endl ;
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 <span class="keywordflow">if</span> (f)
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<a name="l00060"></a>00060 {
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<a name="l00061"></a>00061 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_vert ;
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 f >> num_vert ;
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<a name="l00064"></a>00064 <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a>.resize (num_vert) ;
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i < num_vert ; i ++)
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<a name="l00067"></a>00067 {
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<a name="l00068"></a>00068 f >> <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [i].first >> <a class="code" href="namespace_graph.html#4199f2387f0cda6c75804c94b635e24c">vectCoord</a> [i].second ;
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<a name="l00069"></a>00069 }
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 f.close () ;
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073 <a class="code" href="namespace_graph.html#517d15215e1529a6585e15949f29c326">computeDistances</a> () ;
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<a name="l00074"></a>00074 }
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<a name="l00075"></a>00075 <span class="keywordflow">else</span>
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<a name="l00076"></a>00076 {
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<a name="l00077"></a>00077
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<a name="l00078"></a>00078 std :: cout << __fileName << <span class="stringliteral">" doesn't exist !!!"</span> << std :: endl ;
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<a name="l00079"></a>00079 <span class="comment">// Bye !!!</span>
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<a name="l00080"></a>00080 exit (1) ;
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<a name="l00081"></a>00081 }
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<a name="l00082"></a>00082 }
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<a name="l00083"></a>00083
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<a name="l00084"></a><a class="code" href="namespace_graph.html#510a8b9e849ec2c3241a09cac9d45cc6">00084</a> <span class="keywordtype">float</span> <a class="code" href="namespace_graph.html#510a8b9e849ec2c3241a09cac9d45cc6">distance</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __from, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __to)
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<a name="l00085"></a>00085 {
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<a name="l00086"></a>00086 <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)(<a class="code" href="namespace_graph.html#c1316f71ab101e1f63eecd81a8d7a400">dist</a> [__from] [__to]) ;
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<a name="l00087"></a>00087 }
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<a name="l00088"></a>00088 }
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<a name="l00089"></a>00089
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<a name="l00090"></a>00090
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</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Sep 20 11:30:28 2007 for ParadisEO-MOMovingObjects by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
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