diff --git a/doc/figures/positioner_class_diagram.uxf b/doc/figures/positioner_class_diagram.uxf
new file mode 100644
index 0000000..f56f5e4
--- /dev/null
+++ b/doc/figures/positioner_class_diagram.uxf
@@ -0,0 +1,1958 @@
+<?xml version="1.0" encoding="UTF-8"?><diagram program="umlet" version="11.3">
+  <help_text>//fontsize=14</help_text>
+  <zoom_level>6</zoom_level>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>648</x>
+      <y>378</y>
+      <w>60</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>Positioning
+// Centralise le calcul des
+// positions
+--
+//-distance_matrix: float**</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>624</x>
+      <y>264</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>UserInterface
+// Classe utilitaire servant à
+// récupérer la configuration
+// depuis plusieurs endroits :
+// arguments de la ligne de
+// commandes, fichier de
+// configuration, peut-être un
+// jour base de données…</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>702</x>
+      <y>126</y>
+      <w>186</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>Point3D
+--
+#x: float
+#y: float
+#z: float
+--
++square_distance(Point3D): float
++distance(Point3D): float
++distance_to_sphere(Point3D, float): float</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>918</x>
+      <y>150</y>
+      <w>72</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>ReferencePoint</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>870</x>
+      <y>144</y>
+      <w>60</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>456</x>
+      <y>30</y>
+      <w>72</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>Building
+--
+#name: string</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>450</x>
+      <y>144</y>
+      <w>78</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>Area
+--
+#name: string</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>594</x>
+      <y>90</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Waypoint</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>636</x>
+      <y>90</y>
+      <w>78</w>
+      <h>48</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>66;36;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>480</x>
+      <y>42</y>
+      <w>30</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=1..n</panel_attributes>
+    <additional_attributes>18;18;18;102</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>342</x>
+      <y>84</y>
+      <w>264</w>
+      <h>144</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=0..n</panel_attributes>
+    <additional_attributes>18;132;42;18;252;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>384</x>
+      <y>378</y>
+      <w>276</w>
+      <h>120</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;-
+m1=0..1
+m2=0..n</panel_attributes>
+    <additional_attributes>264;18;18;108</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>690</x>
+      <y>384</y>
+      <w>282</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;-
+m1=0..1
+m2=0..n</panel_attributes>
+    <additional_attributes>18;18;270;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>624</x>
+      <y>444</y>
+      <w>96</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/PositioningAlgorithm/
+fg=</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>654</x>
+      <y>396</y>
+      <w>30</w>
+      <h>60</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=1..n</panel_attributes>
+    <additional_attributes>18;18;18;48</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>654</x>
+      <y>210</y>
+      <w>90</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>owlps-positioning
+bg=yellow</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>318</x>
+      <y>270</y>
+      <w>114</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>AccessPoint
+--
+#frequency: unsigned int
+//#friis_idx</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>150</x>
+      <y>210</y>
+      <w>96</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Mobile</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>642</x>
+      <y>210</y>
+      <w>60</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-</panel_attributes>
+    <additional_attributes>48;18;18;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>672</x>
+      <y>210</y>
+      <w>48</w>
+      <h>180</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-</panel_attributes>
+    <additional_attributes>36;18;36;114;18;168</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>234</x>
+      <y>624</y>
+      <w>42</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputDB
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>282</x>
+      <y>486</y>
+      <w>132</w>
+      <h>24</h>
+    </coordinates>
+    <panel_attributes>Input
+// Gère les entrées
+--
++get_next_request(): Request</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>270</x>
+      <y>534</y>
+      <w>132</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>/InputMedium/
+//extends input flow ?
+--
+ 
+--
+/+get_next_request(): Request/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>234</x>
+      <y>558</y>
+      <w>60</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>48;18;18;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>282</x>
+      <y>624</y>
+      <w>42</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputXML
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>288</x>
+      <y>558</y>
+      <w>36</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>24;18;18;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>330</x>
+      <y>624</y>
+      <w>108</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>InputCSV
+--
+#input_file_name: string
+#input_file: std::ifstream</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>330</x>
+      <y>558</y>
+      <w>36</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;24;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>390</x>
+      <y>678</y>
+      <w>90</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>/InputNetworkSocket/
+fg=red
+--
+#listen_port: int</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>384</x>
+      <y>558</y>
+      <w>114</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;102;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>312</x>
+      <y>492</y>
+      <w>30</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+// A priori, il n'y a pas de raison
+// d'avoir plusieurs sources en
+// entrée.</panel_attributes>
+    <additional_attributes>18;18;18;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>444</x>
+      <y>624</y>
+      <w>84</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>/InputSocket/
+fg=red
+--
+#listen_socket: int</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>414</x>
+      <y>636</y>
+      <w>60</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>48;18;18;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>474</x>
+      <y>636</y>
+      <w>60</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>486</x>
+      <y>678</y>
+      <w>90</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>InputUnixSocket
+fg=red
+--
+#sock_name: string</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>960</x>
+      <y>450</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Output
+// Gère les sorties de résultats</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1008</x>
+      <y>510</y>
+      <w>72</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/OutputMedium/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1014</x>
+      <y>510</y>
+      <w>30</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;18;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1062</x>
+      <y>564</y>
+      <w>54</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputCSV</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1026</x>
+      <y>510</y>
+      <w>66</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;54;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1092</x>
+      <y>564</y>
+      <w>72</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>60;18;18;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1122</x>
+      <y>564</y>
+      <w>96</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/OutputNetworkSocket/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1068</x>
+      <y>630</y>
+      <w>84</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputUDPSocket</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1050</x>
+      <y>510</y>
+      <w>114</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;102;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>978</x>
+      <y>450</y>
+      <w>78</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=1..n</panel_attributes>
+    <additional_attributes>18;18;66;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1080</x>
+      <y>384</y>
+      <w>78</w>
+      <h>90</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>66;18;18;78</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1002</x>
+      <y>564</y>
+      <w>54</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputXML
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>948</x>
+      <y>564</y>
+      <w>48</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputDB
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>876</x>
+      <y>564</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputTerminal</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>894</x>
+      <y>510</y>
+      <w>126</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>114;18;18;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>954</x>
+      <y>510</y>
+      <w>78</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>66;18;18;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>228</x>
+      <y>204</y>
+      <w>114</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=0..n</panel_attributes>
+    <additional_attributes>102;18;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>396</x>
+      <y>168</y>
+      <w>318</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+coordinates
+m1=0..n</panel_attributes>
+    <additional_attributes>18;102;216;30;306;30</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>510</x>
+      <y>138</y>
+      <w>204</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+coordinates
+m2=2
+m1=0..n</panel_attributes>
+    <additional_attributes>18;30;192;30</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>510</x>
+      <y>90</y>
+      <w>114</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=-
+m1=1..n
+m2=0..n</panel_attributes>
+    <additional_attributes>18;60;102;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>360</x>
+      <y>42</y>
+      <w>108</w>
+      <h>186</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;&gt;&gt;&gt;
+m1=0..n</panel_attributes>
+    <additional_attributes>96;18;18;174</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>690</x>
+      <y>150</y>
+      <w>300</w>
+      <h>246</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;
+m2=0..n</panel_attributes>
+    <additional_attributes>18;234;288;120;288;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>624</x>
+      <y>294</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Configuration
+bg=green
+// Stocke la configuration</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>636</x>
+      <y>264</y>
+      <w>30</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=-</panel_attributes>
+    <additional_attributes>18;30;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>642</x>
+      <y>294</y>
+      <w>30</w>
+      <h>96</h>
+    </coordinates>
+    <panel_attributes>lt=-</panel_attributes>
+    <additional_attributes>18;18;18;84</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>396</x>
+      <y>732</y>
+      <w>72</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputUDPSocket</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>414</x>
+      <y>690</y>
+      <w>30</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;18;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>204</x>
+      <y>330</y>
+      <w>96</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>Measurement
+// Représente une liste de signaux reçus d'un
+// mobile par un AP.
+--
+#average_ss: float
+#ss_list: vector&lt;int&gt;</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>114</x>
+      <y>210</y>
+      <w>126</w>
+      <h>216</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-
+m2=0..n
+transmitter</panel_attributes>
+    <additional_attributes>42;18;42;114;114;204</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>282</x>
+      <y>282</y>
+      <w>84</w>
+      <h>60</h>
+    </coordinates>
+    <panel_attributes>lt=-
+m2=0..n
+receiver</panel_attributes>
+    <additional_attributes>72;18;18;48</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>234</x>
+      <y>414</y>
+      <w>48</w>
+      <h>132</h>
+    </coordinates>
+    <panel_attributes>lt=&gt;-</panel_attributes>
+    <additional_attributes>36;120;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>876</x>
+      <y>150</y>
+      <w>78</w>
+      <h>96</h>
+    </coordinates>
+    <panel_attributes>lt=-
+m2=1..n</panel_attributes>
+    <additional_attributes>66;18;18;84</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>612</x>
+      <y>564</y>
+      <w>42</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>NSS
+// Anciennement RADAR</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>534</x>
+      <y>564</y>
+      <w>36</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>FBCM</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>558</x>
+      <y>606</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>FRBHMBasic</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>540</x>
+      <y>504</y>
+      <w>72</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>60;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>618</x>
+      <y>504</y>
+      <w>108</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>96;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>720</x>
+      <y>504</y>
+      <w>42</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>30;18;18;102</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>102</x>
+      <y>564</y>
+      <w>78</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/InputLogMedium/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>126</x>
+      <y>480</y>
+      <w>168</w>
+      <h>96</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=0..n</panel_attributes>
+    <additional_attributes>156;18;18;18;18;84</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>0</x>
+      <y>624</y>
+      <w>54</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputLogDB
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>6</x>
+      <y>564</y>
+      <w>132</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>120;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>168</x>
+      <y>624</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputLogXML
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>132</x>
+      <y>564</y>
+      <w>78</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;66;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>60</x>
+      <y>624</y>
+      <w>102</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>InputLogCSV
+--
+#log_file_name: string
+#log_file: std::ofstream</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>102</x>
+      <y>564</y>
+      <w>48</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>36;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1122</x>
+      <y>384</y>
+      <w>78</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/StatisticsMedium/
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>978</x>
+      <y>372</y>
+      <w>156</w>
+      <h>90</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m1=0..1
+m2=0..n</panel_attributes>
+    <additional_attributes>18;78;144;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1044</x>
+      <y>462</y>
+      <w>84</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>StatisticsTerminal
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1134</x>
+      <y>462</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>StatisticsXML
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1140</x>
+      <y>384</y>
+      <w>36</w>
+      <h>90</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;24;78</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1206</x>
+      <y>462</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>StatisticsDB
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1158</x>
+      <y>384</y>
+      <w>96</w>
+      <h>90</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;84;78</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>834</x>
+      <y>234</y>
+      <w>90</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>CalibrationRequest</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>258</x>
+      <y>234</y>
+      <w>642</w>
+      <h>198</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;186;630;60;630;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>204</x>
+      <y>252</y>
+      <w>96</w>
+      <h>60</h>
+    </coordinates>
+    <panel_attributes>WifiDevice
+--
+#ip_addr: string
+#mac_addr: string
+#antenna_gain: float
+#trx_power: float</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>282</x>
+      <y>264</y>
+      <w>48</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;36;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>156</x>
+      <y>210</y>
+      <w>60</w>
+      <h>96</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>48;84;18;84;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>702</x>
+      <y>606</y>
+      <w>72</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>FRBHMDiscrete
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>540</x>
+      <y>564</y>
+      <w>60</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>450</x>
+      <y>564</y>
+      <w>78</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InterlinkNetworks</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>468</x>
+      <y>504</y>
+      <w>126</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>114;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>780</x>
+      <y>606</y>
+      <w>84</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>FRBHMContinuous
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>750</x>
+      <y>504</y>
+      <w>60</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;102</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>228</x>
+      <y>414</y>
+      <w>48</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Request
+// Représente une requête envoyée
+// par un mobile.</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>234</x>
+      <y>348</y>
+      <w>30</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=1..n</panel_attributes>
+    <additional_attributes>18;66;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>330</x>
+      <y>216</y>
+      <w>48</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Stock
+bg=green
+// Classe de stockage,
+// attributs statiques</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>360</x>
+      <y>204</y>
+      <w>306</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-</panel_attributes>
+    <additional_attributes>294;18;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>330</x>
+      <y>216</y>
+      <w>30</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=0..n</panel_attributes>
+    <additional_attributes>18;18;18;54</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>252</x>
+      <y>144</y>
+      <w>42</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>PosUtil
+bg=green
+// Classe utilitaire, méthodes
+// statiques et #define</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>888</x>
+      <y>324</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Result</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>960</x>
+      <y>324</y>
+      <w>90</w>
+      <h>138</h>
+    </coordinates>
+    <panel_attributes>lt=&gt;-</panel_attributes>
+    <additional_attributes>18;126;78;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>732</x>
+      <y>186</y>
+      <w>168</w>
+      <h>150</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;&gt;&gt;&gt;
+position</panel_attributes>
+    <additional_attributes>36;18;36;108;156;138</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>258</x>
+      <y>318</y>
+      <w>642</w>
+      <h>120</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>630;18;18;108</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>102</x>
+      <y>438</y>
+      <w>132</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>Timestamp
+--
+#timestamp: struct timespec
+--
++now(): bool</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>138</x>
+      <y>402</y>
+      <w>102</w>
+      <h>48</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-</panel_attributes>
+    <additional_attributes>90;18;18;18;18;36</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>750</x>
+      <y>450</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>RealPosition
+// Faux algorithme qui retourne
+// la position réelle (si disponible)</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>702</x>
+      <y>438</y>
+      <w>60</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>246</x>
+      <y>114</y>
+      <w>60</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>posexcept.hh
+// Ensemble de classes d'exceptions</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1014</x>
+      <y>234</y>
+      <w>54</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Direction</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>906</x>
+      <y>222</y>
+      <w>120</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;108;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>324</x>
+      <y>0</y>
+      <w>636</w>
+      <h>228</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;&gt;&gt;&gt;
+m1=0..n</panel_attributes>
+    <additional_attributes>624;150;624;18;30;18;18;216</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>360</x>
+      <y>216</y>
+      <w>486</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;&gt;&gt;&gt;
+m1=0..n</panel_attributes>
+    <additional_attributes>474;24;66;42;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>714</x>
+      <y>750</y>
+      <w>108</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>TextFileWriter
+--
+--
++write_text(string): bool</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>738</x>
+      <y>564</y>
+      <w>360</w>
+      <h>198</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;186;348;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>96</x>
+      <y>642</y>
+      <w>630</w>
+      <h>126</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>618;114;228;114;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>576</x>
+      <y>504</y>
+      <w>108</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/TrilaterationAlgorithm/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>438</x>
+      <y>504</y>
+      <w>102</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/TrilaterationMethod/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>540</x>
+      <y>474</y>
+      <w>48</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>MinMax</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>522</x>
+      <y>492</y>
+      <w>66</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=-&gt;</panel_attributes>
+    <additional_attributes>54;18;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>618</x>
+      <y>444</y>
+      <w>66</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>54;18;18;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>474</x>
+      <y>468</y>
+      <w>78</w>
+      <h>48</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;36;66;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>708</x>
+      <y>504</y>
+      <w>102</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>/CartographyAlgorithm/</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>678</x>
+      <y>444</y>
+      <w>96</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;84;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>666</x>
+      <y>504</y>
+      <w>144</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;132;102</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>570</x>
+      <y>564</y>
+      <w>66</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>54;18;18;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>648</x>
+      <y>504</y>
+      <w>102</w>
+      <h>114</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;90;102</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>420</x>
+      <y>330</y>
+      <w>102</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>CSVFileReader
+--
+--
++next_line(): bool</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>396</x>
+      <y>348</y>
+      <w>60</w>
+      <h>288</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>48;18;18;276</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>552</x>
+      <y>318</y>
+      <w>90</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>TopologyReaderCSV</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>504</x>
+      <y>312</y>
+      <w>60</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;30;48;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>564</x>
+      <y>252</y>
+      <w>72</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;18;60;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>306</x>
+      <y>360</y>
+      <w>108</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>TextFileReader
+--
+--
++read_line(string): bool</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>348</x>
+      <y>330</y>
+      <w>84</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;30;18;18;72;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>504</x>
+      <y>264</y>
+      <w>78</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>InputDataReader</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>552</x>
+      <y>264</y>
+      <w>60</w>
+      <h>66</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>48;54;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>510</x>
+      <y>30</y>
+      <w>96</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=-
+m1=1..n
+m2=1..n</panel_attributes>
+    <additional_attributes>18;18;84;60</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>630</x>
+      <y>606</y>
+      <w>66</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>NSSViterbi
+// Anciennement RADARViterbi
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>720</x>
+      <y>666</y>
+      <w>48</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>Viterbi
+fg=red</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>624</x>
+      <y>564</y>
+      <w>54</w>
+      <h>54</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;42;42</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>666</x>
+      <y>606</y>
+      <w>78</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>66;60;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>732</x>
+      <y>606</y>
+      <w>72</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;60;60;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>726</x>
+      <y>606</y>
+      <w>30</w>
+      <h>72</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;60;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>456</x>
+      <y>294</y>
+      <w>108</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>AccessPointsReaderCSV</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>498</x>
+      <y>264</y>
+      <w>36</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;30;24;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>468</x>
+      <y>294</y>
+      <w>42</w>
+      <h>48</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;36;30;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1014</x>
+      <y>324</y>
+      <w>54</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>ResultList</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>930</x>
+      <y>312</y>
+      <w>96</w>
+      <h>30</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;&lt;&lt;-
+m2=0..n</panel_attributes>
+    <additional_attributes>84;18;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>372</x>
+      <y>306</y>
+      <w>78</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>MobilesReaderCSV</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>426</x>
+      <y>258</y>
+      <w>90</w>
+      <h>60</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>18;48;18;18;78;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>366</x>
+      <y>306</y>
+      <w>66</w>
+      <h>42</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;-</panel_attributes>
+    <additional_attributes>54;30;18;30;18;18</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>1158</x>
+      <y>630</y>
+      <w>102</w>
+      <h>18</h>
+    </coordinates>
+    <panel_attributes>OutputTCPSocketEvAAL</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>1158</x>
+      <y>564</y>
+      <w>60</w>
+      <h>78</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;18;48;66</additional_attributes>
+  </element>
+  <element>
+    <type>com.umlet.element.Class</type>
+    <coordinates>
+      <x>306</x>
+      <y>426</y>
+      <w>108</w>
+      <h>36</h>
+    </coordinates>
+    <panel_attributes>CSVStringReader
+--
+--
++set_str(string)
++read_field(&lt;T&gt;): bool</panel_attributes>
+    <additional_attributes/>
+  </element>
+  <element>
+    <type>com.umlet.element.Relation</type>
+    <coordinates>
+      <x>396</x>
+      <y>348</y>
+      <w>84</w>
+      <h>96</h>
+    </coordinates>
+    <panel_attributes>lt=&lt;&lt;-</panel_attributes>
+    <additional_attributes>18;84;72;84;72;18</additional_attributes>
+  </element>
+  <group>
+    <element>
+      <type>com.umlet.element.Class</type>
+      <coordinates>
+        <x>138</x>
+        <y>42</y>
+        <w>60</w>
+        <h>18</h>
+      </coordinates>
+      <panel_attributes>StaticClass
+bg=green</panel_attributes>
+      <additional_attributes/>
+    </element>
+    <element>
+      <type>com.umlet.element.Class</type>
+      <coordinates>
+        <x>138</x>
+        <y>66</y>
+        <w>60</w>
+        <h>18</h>
+      </coordinates>
+      <panel_attributes>executable
+bg=yellow</panel_attributes>
+      <additional_attributes/>
+    </element>
+    <element>
+      <type>com.umlet.element.custom.Systemborder</type>
+      <coordinates>
+        <x>132</x>
+        <y>24</y>
+        <w>84</w>
+        <h>96</h>
+      </coordinates>
+      <panel_attributes>Color legend</panel_attributes>
+      <additional_attributes/>
+    </element>
+    <element>
+      <type>com.umlet.element.Class</type>
+      <coordinates>
+        <x>138</x>
+        <y>96</y>
+        <w>72</w>
+        <h>18</h>
+      </coordinates>
+      <panel_attributes>Unimplemented
+fg=red</panel_attributes>
+      <additional_attributes/>
+    </element>
+  </group>
+</diagram>