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<li class="navelem"><a class="el" href="dir_b2e1228fdb7fe80fc606210a4045f658.html">filval</a></li><li class="navelem"><a class="el" href="dir_3ce6d6f73dcdcb3d85e4b28dfdf65651.html">examples</a></li>  </ul>
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<div class="title">example2.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;TFile.h&quot;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;TTree.h&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;TCanvas.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;filval/filval.hpp&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="MiniTreeDataSet_8hpp.html">MiniTreeDataSet.hpp</a>&quot;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="keywordtype">void</span> test2(){</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <span class="keywordtype">double</span> x = 12;</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    <a class="code" href="classfv_1_1ObservedValue.html">ObservedValue&lt;double&gt;</a> x_val(<span class="stringliteral">&quot;x&quot;</span>, &amp;x);</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    ContainerTH1D hist(<span class="stringliteral">&quot;h1&quot;</span>, <span class="stringliteral">&quot;Hist&quot;</span>, &amp;x_val, 20, 0, 20);</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    hist.fill();</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    hist.fill();</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    hist.fill();</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    x = 11;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    hist.fill();</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    hist.fill();</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    hist.fill();</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    hist.fill();</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    hist.fill();</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    hist.fill();</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    TH1D* h = (TH1D*) hist.get_container();</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    TCanvas can(<span class="stringliteral">&quot;c1&quot;</span>);</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    h-&gt;Draw();</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    can.Draw();</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;outfile.png&quot;</span>);</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;}</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keywordtype">void</span> test3(){</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    TFile *f = TFile::Open(<span class="stringliteral">&quot;./data/TTTT_ext_treeProducerSusyMultilepton_tree.root&quot;</span>);</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    TTree *tree = (TTree*) f-&gt;Get(<span class="stringliteral">&quot;tree&quot;</span>);</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    MiniTreeDataSet mtds(tree);</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    mtds.process();</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    TCanvas can(<span class="stringliteral">&quot;c1&quot;</span>);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    can.Clear();</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    TH1* hist = ((ContainerTH1I*)mtds.get_container(<span class="stringliteral">&quot;nLepGood&quot;</span>))-&gt;get_container();</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    hist-&gt;Draw();</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    can.Draw();</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;outfile.png&quot;</span>);</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    can.Clear();</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    hist = ((ContainerTH1I*)mtds.get_container(<span class="stringliteral">&quot;nLepGood2&quot;</span>))-&gt;get_container();</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    hist-&gt;Draw();</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    can.Draw();</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;outfile2.png&quot;</span>);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    can.Clear();</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    hist = ((ContainerTH1I*)mtds.get_container(<span class="stringliteral">&quot;nLepGood3&quot;</span>))-&gt;get_container();</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    hist-&gt;Draw();</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    can.Draw();</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;outfile3.png&quot;</span>);</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    can.Clear();</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    hist = ((ContainerTH1I*)mtds.get_container(<span class="stringliteral">&quot;avg_lepton_energy&quot;</span>))-&gt;get_container();</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    hist-&gt;Draw();</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    can.Draw();</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;lepton_energy.png&quot;</span>);</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    can.Clear();</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    TGraph* graph= ((ContainerTGraph*)mtds.get_container(<span class="stringliteral">&quot;nLepvsnJet&quot;</span>))-&gt;get_container();</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    graph-&gt;Draw(<span class="stringliteral">&quot;A*&quot;</span>);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    can.Draw();</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    can.SaveAs(<span class="stringliteral">&quot;outfileGraph.png&quot;</span>);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keyword">delete</span> tree;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    f-&gt;Close();</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="keyword">delete</span> f;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;}</div><div class="ttc" id="MiniTreeDataSet_8hpp_html"><div class="ttname"><a href="MiniTreeDataSet_8hpp.html">MiniTreeDataSet.hpp</a></div></div>
<div class="ttc" id="classfv_1_1ObservedValue_html"><div class="ttname"><a href="classfv_1_1ObservedValue.html">fv::ObservedValue</a></div><div class="ttdoc">A value supplied by the dataset, not derived. </div><div class="ttdef"><b>Definition:</b> <a href="value_8hpp_source.html#l00450">value.hpp:450</a></div></div>
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