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<div id="projectname">Penning Trap Simulation
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<div id="projectbrief">Simulate particle behavior inside a Penning Trap</div>
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<div class="headertitle"><div class="title">animate_100_particles.py</div></div>
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<div class="contents">
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="keyword">import</span> matplotlib.pyplot <span class="keyword">as</span> plt</div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="keyword">import</span> numpy <span class="keyword">as</span> np</div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="keyword">from</span> mpl_toolkits.mplot3d <span class="keyword">import</span> Axes3D</div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="keyword">from</span> matplotlib <span class="keyword">import</span> animation</div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="keyword">def </span>get_data(files):</div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> res = []</div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> <span class="keywordflow">for</span> file <span class="keywordflow">in</span> files:</div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> arr = [[], [], []]</div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">with</span> open(file, encoding=<span class="stringliteral">"utf8"</span>) <span class="keyword">as</span> f:</div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> lines = f.readlines()</div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="keywordflow">for</span> line <span class="keywordflow">in</span> lines:</div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> xi,yi,zi = map(float, line.strip().split(<span class="stringliteral">","</span>))</div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> arr[0].append(xi)</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> arr[1].append(yi)</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> arr[2].append(zi)</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> res.append(arr)</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordflow">return</span> np.array(res)</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">def </span>update(num, lines, arr):</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="keywordflow">for</span> line, a <span class="keywordflow">in</span> zip(lines, arr):</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> line.set_data(a[:2, num])</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> line.set_3d_properties(a[2, num])</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">def </span>animate():</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> plt.style.use(<span class="stringliteral">"dark_background"</span>)</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> fig = plt.figure()</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> ax = fig.add_subplot(projection=<span class="stringliteral">"3d"</span>)</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> arr = get_data([f<span class="stringliteral">"output/p{i}_RK4.txt"</span> <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(100)])</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> arr = arr[:,:,::10]</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> N = len(arr[0][0])</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> lines = [ax.plot(*a[:,1], <span class="stringliteral">"o"</span>)[0] <span class="keywordflow">for</span> a <span class="keywordflow">in</span> arr]</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> ax.set_xlim3d([-500.0, 500.0])</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> ax.set_xlabel(<span class="stringliteral">'X'</span>)</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> ax.set_ylim3d([-500.0, 500.0])</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> ax.set_ylabel(<span class="stringliteral">'Y'</span>)</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> ax.set_zlim3d([-500.0, 500.0])</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> ax.set_zlabel(<span class="stringliteral">'Z'</span>) </div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> ani = animation.FuncAnimation(fig, update, N, fargs=(lines, arr), </div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> interval=1,</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> blit=<span class="keyword">False</span>)</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> ani.save(<span class="stringliteral">"100_particles.gif"</span>, writer=animation.FFMpegFileWriter(fps=30))</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> plt.show()</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keywordflow">if</span> __name__ == <span class="stringliteral">"__main__"</span>:</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> animate()</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><b>animate_100_particles.py</b></li>
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