diff --git a/LIBStick.py b/LIBStick.py
index e357f2e..3407b77 100755
--- a/LIBStick.py
+++ b/LIBStick.py
@@ -4399,7 +4399,7 @@ def ouvre_fenetre_change_tree_label_L_ACP(event):
                                              textvariable=label_L_ACP, foreground="black")
             entree_label_L_ACP.pack(ipadx=0, ipady=0)
             buttonFont = font.Font(family='Helvetica', size=30)
-            bouton_label_L_ACP = tk.Button(frame_label_L_ACP, text="Valider", font=buttonFont, width=200, height=100,
+            bouton_label_L_ACP = tk.Button(frame_label_L_ACP, text=_("Valider"), font=buttonFont, width=200, height=100,
                                            command=validation_label_L_ACP)
             # bouton_label_L_ACP = ttk.Button(frame_label_L_ACP, text="Valider", font=buttonFont, width=200, height=100,
             #                                     command=validation_label_L_ACP)
diff --git a/locale/LIBStick.pot b/locale/LIBStick.pot
index cddca16..6ebcfe5 100644
--- a/locale/LIBStick.pot
+++ b/locale/LIBStick.pot
@@ -2,7 +2,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: LIBStick v2.0\n"
-"POT-Creation-Date: 2023-05-12 10:20+0200\n"
+"POT-Creation-Date: 2024-02-09 09:41+0100\n"
 "PO-Revision-Date: 2022-02-07 15:31+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
@@ -11,377 +11,453 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Poedit 3.1.1\n"
+"X-Generator: Poedit 3.4\n"
 "X-Poedit-Basepath: ..\n"
 "X-Poedit-SearchPath-0: LIBStick.py\n"
 "X-Poedit-SearchPath-1: LIBStick_ACP.py\n"
 
-#: LIBStick.py:156 LIBStick.py:4234
+#: LIBStick.py:179 LIBStick.py:4677
 msgid "Attention !"
 msgstr ""
 
-#: LIBStick.py:157
+#: LIBStick.py:180
 msgid "Veuillez redémarrer LIBStick pour retrouver les paramètres par défaut."
 msgstr ""
 
-#: LIBStick.py:459
+#: LIBStick.py:494
 msgid "Choisissez un fichier spectre"
 msgstr ""
 
-#: LIBStick.py:4235
+#: LIBStick.py:4402
+msgid "Valider"
+msgstr ""
+
+#: LIBStick.py:4475
+msgid "Lambda (nm) :"
+msgstr ""
+
+#: LIBStick.py:4476
+msgid "Delta (nm) :"
+msgstr ""
+
+#: LIBStick.py:4477
+msgid "Seuil (> I rela.) :"
+msgstr ""
+
+#: LIBStick.py:4499 LIBStick.py:4847
+msgid "NIST LIBS"
+msgstr ""
+
+#: LIBStick.py:4678
 msgid "Pas d'informations pour cet élément."
 msgstr ""
 
-#: LIBStick.py:4381
+#: LIBStick.py:4828
 msgid "Ferme"
 msgstr ""
 
-#: LIBStick.py:4390
+#: LIBStick.py:4838
 msgid "Neutres"
 msgstr ""
 
-#: LIBStick.py:4394
+#: LIBStick.py:4842
 msgid "Ions +"
 msgstr ""
 
-#: LIBStick.py:4399
+#: LIBStick.py:4852
 msgid "I relative >= 10%"
 msgstr ""
 
-#: LIBStick.py:4403
+#: LIBStick.py:4856
 msgid "1% <= I relative < 10%"
 msgstr ""
 
-#: LIBStick.py:4407
+#: LIBStick.py:4860
 msgid "I relative < 1%"
 msgstr ""
 
-#: LIBStick.py:4544
+#: LIBStick.py:4997
 msgid "LIBStick pré-traitements"
 msgstr ""
 
-#: LIBStick.py:4545
+#: LIBStick.py:4998
 msgid "LIBStick extraction"
 msgstr ""
 
-#: LIBStick.py:4546
+#: LIBStick.py:4999
 msgid "LIBStick comparaison"
 msgstr ""
 
-#: LIBStick.py:4547
+#: LIBStick.py:5000
 msgid "LIBStick ACP"
 msgstr ""
 
-#: LIBStick.py:4558 LIBStick.py:4786 LIBStick.py:4982 LIBStick.py:5264
-#: LIBStick.py:5501
+#: LIBStick.py:5014 LIBStick.py:5291 LIBStick.py:5489 LIBStick.py:5773
+#: LIBStick.py:6011
 msgid "Fichier"
 msgstr ""
 
-#: LIBStick.py:4559
+#: LIBStick.py:5015
 msgid "Sauvegarde des paramètres actuels"
 msgstr ""
 
-#: LIBStick.py:4561
+#: LIBStick.py:5017
 msgid "Restaure les paramètres par défaut au prochain démarrage"
 msgstr ""
 
-#: LIBStick.py:4562
+#: LIBStick.py:5019
 msgid "Quitter"
 msgstr ""
 
-#: LIBStick.py:4563
+#: LIBStick.py:5021
 msgid "Redémarrer"
 msgstr ""
 
-#: LIBStick.py:4565
+#: LIBStick.py:5024
 msgid "Traitement"
 msgstr ""
 
-#: LIBStick.py:4567 LIBStick.py:4572 LIBStick.py:4577
+#: LIBStick.py:5026 LIBStick.py:5031 LIBStick.py:5036 LIBStick.py:5041
 msgid "Echelle log y"
 msgstr ""
 
-#: LIBStick.py:4570 LIBStick.py:5095
+#: LIBStick.py:5029 LIBStick.py:5603
 msgid "Extraction"
 msgstr ""
 
-#: LIBStick.py:4575
+#: LIBStick.py:5034
 msgid "Comparaison"
 msgstr ""
 
-#: LIBStick.py:4580
+#: LIBStick.py:5039 LIBStick.py:6061
+msgid "ACP"
+msgstr ""
+
+#: LIBStick.py:5044
 msgid "Outils"
 msgstr ""
 
-#: LIBStick.py:4582
+#: LIBStick.py:5046
 msgid "Zoom auto en y"
 msgstr ""
 
-#: LIBStick.py:4583
+#: LIBStick.py:5047
+msgid "Graduations"
+msgstr ""
+
+#: LIBStick.py:5049
+msgid "Pas multiple de 10"
+msgstr ""
+
+#: LIBStick.py:5051
+msgid "Pas multiple de 5"
+msgstr ""
+
+#: LIBStick.py:5053
+msgid "Pas multiple de 2"
+msgstr ""
+
+#: LIBStick.py:5055
+msgid "Pas multiple de 1"
+msgstr ""
+
+#: LIBStick.py:5059
+msgid "Espacement mini 100 pixels"
+msgstr ""
+
+#: LIBStick.py:5061
+msgid "Espacement mini 50 pixels"
+msgstr ""
+
+#: LIBStick.py:5063
+msgid "Espacement mini 20 pixels"
+msgstr ""
+
+#: LIBStick.py:5067
+msgid "Recherche d'éléments"
+msgstr ""
+
+#: LIBStick.py:5069
+msgid "Tableau périodique"
+msgstr ""
+
+#: LIBStick.py:5073
 msgid "Fenetre principale premier plan"
 msgstr ""
 
-#: LIBStick.py:4587
+#: LIBStick.py:5077
 msgid "Langue au prochain démarage"
 msgstr ""
 
-#: LIBStick.py:4589
+#: LIBStick.py:5079
 msgid "Français"
 msgstr ""
 
-#: LIBStick.py:4591
+#: LIBStick.py:5081
 msgid "Anglais"
 msgstr ""
 
-#: LIBStick.py:4593
+#: LIBStick.py:5083
 msgid "Espagnol"
 msgstr ""
 
-#: LIBStick.py:4595
+#: LIBStick.py:5085
 msgid "Italien"
 msgstr ""
 
-#: LIBStick.py:4599
+#: LIBStick.py:5088
 msgid "Style au prochain démarage"
 msgstr ""
 
-#: LIBStick.py:4601
+#: LIBStick.py:5090
 msgid "Couleur de LIBStick"
 msgstr ""
 
-#: LIBStick.py:4707 LIBStick.py:5469
+#: LIBStick.py:5135
+msgid "Aide"
+msgstr ""
+
+#: LIBStick.py:5136
+msgid "Aide (F1)"
+msgstr ""
+
+#: LIBStick.py:5138
+msgid "A propos de LIBStick"
+msgstr ""
+
+#: LIBStick.py:5210 LIBStick.py:5979
 msgid "Borne inf :"
 msgstr ""
 
-#: LIBStick.py:4708 LIBStick.py:5470
+#: LIBStick.py:5211 LIBStick.py:5980
 msgid "Borne sup :"
 msgstr ""
 
-#: LIBStick.py:4720
+#: LIBStick.py:5223
 msgid "Filtre :"
 msgstr ""
 
-#: LIBStick.py:4721
+#: LIBStick.py:5224
 msgid "Taille :"
 msgstr ""
 
-#: LIBStick.py:4722
+#: LIBStick.py:5225
 msgid "Ordre :"
 msgstr ""
 
-#: LIBStick.py:4723
+#: LIBStick.py:5226
 msgid "Dérivée :"
 msgstr ""
 
-#: LIBStick.py:4735 LIBStick.py:4760
+#: LIBStick.py:5238 LIBStick.py:5263
 msgid "Aucun"
 msgstr ""
 
-#: LIBStick.py:4747
+#: LIBStick.py:5250
 msgid "Fond :"
 msgstr ""
 
-#: LIBStick.py:4748
+#: LIBStick.py:5251
 msgid "Itérations :"
 msgstr ""
 
-#: LIBStick.py:4788
+#: LIBStick.py:5293
 msgid "Visualisation"
 msgstr ""
 
-#: LIBStick.py:4819
+#: LIBStick.py:5324
 msgid ""
 "Appliquer sur\n"
 "tous les fichiers\n"
 "du répertoire"
 msgstr ""
 
-#: LIBStick.py:4825
+#: LIBStick.py:5330
 msgid ""
 "Sauvegarde du\n"
 "fond continu"
 msgstr ""
 
-#: LIBStick.py:4829
+#: LIBStick.py:5334
 msgid "Executer"
 msgstr ""
 
-#: LIBStick.py:4833
+#: LIBStick.py:5338
 msgid "Spectre : "
 msgstr ""
 
-#: LIBStick.py:4931
+#: LIBStick.py:5436
 msgid "Première borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:4932
+#: LIBStick.py:5437
 msgid "Première borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:4933
+#: LIBStick.py:5438
 msgid "Seconde borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:4934
+#: LIBStick.py:5439
 msgid "Seconde borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:4958
+#: LIBStick.py:5463
 msgid "Seconde extraction"
 msgstr ""
 
-#: LIBStick.py:4962 LIBStick.py:5242
+#: LIBStick.py:5467 LIBStick.py:5749
 msgid "Reset"
 msgstr ""
 
-#: LIBStick.py:4985 LIBStick.py:5266
+#: LIBStick.py:5492 LIBStick.py:5775
 msgid "Exécute"
 msgstr ""
 
-#: LIBStick.py:4992 LIBStick.py:5273
+#: LIBStick.py:5499 LIBStick.py:5782
 msgid "Sortie 2D"
 msgstr ""
 
-#: LIBStick.py:4998 LIBStick.py:5280
+#: LIBStick.py:5505 LIBStick.py:5789
 msgid "Sortie 3D"
 msgstr ""
 
-#: LIBStick.py:5017 LIBStick.py:5020
+#: LIBStick.py:5524 LIBStick.py:5527
 msgid "Position x (nm) : "
 msgstr ""
 
-#: LIBStick.py:5019 LIBStick.py:5022
+#: LIBStick.py:5526 LIBStick.py:5529
 msgid "Position y (n° de spectre) : "
 msgstr ""
 
-#: LIBStick.py:5048
+#: LIBStick.py:5555
 msgid ""
 "Image brute\n"
 "spectres non\n"
 "normalisés"
 msgstr ""
 
-#: LIBStick.py:5053
+#: LIBStick.py:5561
 msgid ""
 "Spectre inclus\n"
 "dans spectre\n"
 "moyen"
 msgstr ""
 
-#: LIBStick.py:5078
+#: LIBStick.py:5587
 msgid "Du spectre n° :"
 msgstr ""
 
-#: LIBStick.py:5079
+#: LIBStick.py:5588
 msgid "Au spectre n° :"
 msgstr ""
 
-#: LIBStick.py:5099
+#: LIBStick.py:5609
 msgid ""
 "Moyenne des\n"
 "spectres \n"
 "normalisés"
 msgstr ""
 
-#: LIBStick.py:5208
+#: LIBStick.py:5717
 msgid "Numérateur borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:5210
+#: LIBStick.py:5718
 msgid "Numérateur borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:5212
+#: LIBStick.py:5719
 msgid "Dénominateur borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:5214
+#: LIBStick.py:5720
 msgid "Dénominateur borne sup( nm)"
 msgstr ""
 
-#: LIBStick.py:5238
+#: LIBStick.py:5744
 msgid "Dénominateur ?"
 msgstr ""
 
-#: LIBStick.py:5321
+#: LIBStick.py:5830
 msgid ""
 "Normalisation\n"
 "des spectres"
 msgstr ""
 
-#: LIBStick.py:5334
+#: LIBStick.py:5844
 msgid "Statistiques"
 msgstr ""
 
-#: LIBStick.py:5340
+#: LIBStick.py:5851
 msgid ""
 "\n"
 "Position x (nm) : "
 msgstr ""
 
-#: LIBStick.py:5342
+#: LIBStick.py:5852
 msgid ""
 "Position y \n"
 "(n° de spectre) : "
 msgstr ""
 
-#: LIBStick.py:5366 LIBStick.py:5526
+#: LIBStick.py:5876 LIBStick.py:6036
 msgid "n°"
 msgstr ""
 
-#: LIBStick.py:5367 LIBStick.py:5527
+#: LIBStick.py:5877 LIBStick.py:6037
 msgid "Nom du spectre"
 msgstr ""
 
-#: LIBStick.py:5368
+#: LIBStick.py:5878
 msgid "Rapport zone1/zone2"
 msgstr ""
 
-#: LIBStick.py:5528
+#: LIBStick.py:6038
 msgid "Utlisé pour l'ACP :"
 msgstr ""
 
-#: LIBStick.py:5529
+#: LIBStick.py:6039
 msgid "Label :"
 msgstr ""
 
-#: LIBStick.py:5540
+#: LIBStick.py:6050
 msgid "Spectres normalisés"
 msgstr ""
 
-#: LIBStick.py:5545
+#: LIBStick.py:6056
 msgid "Centré reduit"
 msgstr ""
 
-#: LIBStick.py:5549
-msgid "ACP"
-msgstr ""
-
-#: LIBStick.py:5553
+#: LIBStick.py:6065
 msgid "+ ind. supp."
 msgstr ""
 
-#: LIBStick.py:5557
+#: LIBStick.py:6069
 msgid "Ouvre"
 msgstr ""
 
-#: LIBStick.py:5561
+#: LIBStick.py:6073
 msgid "Sauve"
 msgstr ""
 
-#: LIBStick.py:5565
+#: LIBStick.py:6077
 msgid "Dimensions : "
 msgstr ""
 
-#: LIBStick.py:5585
+#: LIBStick.py:6097
 msgid "Même echelle x et y"
 msgstr ""
 
-#: LIBStick.py:5589
+#: LIBStick.py:6101
 msgid "Diag. éboulis"
 msgstr ""
 
-#: LIBStick.py:5607
+#: LIBStick.py:6120
+msgid "Diag. plotly"
+msgstr ""
+
+#: LIBStick.py:6123
 msgid ""
 "Enregistrer \n"
 "facteurs \n"
diff --git a/locale/en/LC_MESSAGES/en.mo b/locale/en/LC_MESSAGES/en.mo
index 4da8597..41a5ddf 100644
Binary files a/locale/en/LC_MESSAGES/en.mo and b/locale/en/LC_MESSAGES/en.mo differ
diff --git a/locale/en/LC_MESSAGES/en.po b/locale/en/LC_MESSAGES/en.po
index fd7f2fb..87ae9cc 100644
--- a/locale/en/LC_MESSAGES/en.po
+++ b/locale/en/LC_MESSAGES/en.po
@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: LIBStick v2.0\n"
-"POT-Creation-Date: 2023-05-12 10:15+0200\n"
-"PO-Revision-Date: 2023-05-12 10:17+0200\n"
+"POT-Creation-Date: 2024-02-09 09:42+0100\n"
+"PO-Revision-Date: 2024-02-09 09:46+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: en\n"
@@ -10,185 +10,261 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Poedit 3.1.1\n"
+"X-Generator: Poedit 3.4\n"
 "X-Poedit-Basepath: ../../..\n"
 "X-Poedit-SearchPath-0: LIBStick.py\n"
 "X-Poedit-SearchPath-1: LIBStick_ACP.py\n"
 
-#: LIBStick.py:156 LIBStick.py:4234
+#: LIBStick.py:179 LIBStick.py:4677
 msgid "Attention !"
 msgstr "Caution !"
 
-#: LIBStick.py:157
+#: LIBStick.py:180
 msgid "Veuillez redémarrer LIBStick pour retrouver les paramètres par défaut."
 msgstr "Start again LIBStick to go back to default parameters."
 
-#: LIBStick.py:459
+#: LIBStick.py:494
 msgid "Choisissez un fichier spectre"
 msgstr "Choose a spectrum file"
 
-#: LIBStick.py:4235
+#: LIBStick.py:4402
+msgid "Valider"
+msgstr "Accept"
+
+#: LIBStick.py:4475
+msgid "Lambda (nm) :"
+msgstr "Lambda (nm) :"
+
+#: LIBStick.py:4476
+msgid "Delta (nm) :"
+msgstr "Delta (nm) :"
+
+#: LIBStick.py:4477
+msgid "Seuil (> I rela.) :"
+msgstr "Limit (> I rela.) :"
+
+#: LIBStick.py:4499 LIBStick.py:4847
+msgid "NIST LIBS"
+msgstr "NIST LIBS"
+
+#: LIBStick.py:4678
 msgid "Pas d'informations pour cet élément."
 msgstr "No information for this element."
 
-#: LIBStick.py:4381
+#: LIBStick.py:4828
 msgid "Ferme"
 msgstr "Close"
 
-#: LIBStick.py:4390
+#: LIBStick.py:4838
 msgid "Neutres"
 msgstr "Neutral"
 
-#: LIBStick.py:4394
+#: LIBStick.py:4842
 msgid "Ions +"
 msgstr "Ions +"
 
-#: LIBStick.py:4399
+#: LIBStick.py:4852
 msgid "I relative >= 10%"
 msgstr "I relative >= 10%"
 
-#: LIBStick.py:4403
+#: LIBStick.py:4856
 msgid "1% <= I relative < 10%"
 msgstr "1% <= I relative < 10%"
 
-#: LIBStick.py:4407
+#: LIBStick.py:4860
 msgid "I relative < 1%"
 msgstr "I relative < 1%"
 
-#: LIBStick.py:4544
+#: LIBStick.py:4997
 msgid "LIBStick pré-traitements"
 msgstr "LIBStick pre-treatment"
 
-#: LIBStick.py:4545
+#: LIBStick.py:4998
 msgid "LIBStick extraction"
 msgstr "LIBStick extraction"
 
-#: LIBStick.py:4546
+#: LIBStick.py:4999
 msgid "LIBStick comparaison"
 msgstr "LIBStick comparison"
 
-#: LIBStick.py:4547
+#: LIBStick.py:5000
 msgid "LIBStick ACP"
 msgstr "LIBStick PCA"
 
-#: LIBStick.py:4558 LIBStick.py:4786 LIBStick.py:4982 LIBStick.py:5264
-#: LIBStick.py:5501
+#: LIBStick.py:5014 LIBStick.py:5291 LIBStick.py:5489 LIBStick.py:5773
+#: LIBStick.py:6011
 msgid "Fichier"
 msgstr "File"
 
-#: LIBStick.py:4559
+#: LIBStick.py:5015
 msgid "Sauvegarde des paramètres actuels"
 msgstr "Saving the current settings"
 
-#: LIBStick.py:4561
+#: LIBStick.py:5017
 msgid "Restaure les paramètres par défaut au prochain démarrage"
 msgstr "Restores default settings at next startup"
 
-#: LIBStick.py:4562
+#: LIBStick.py:5019
 msgid "Quitter"
 msgstr "Quit"
 
-#: LIBStick.py:4563
+#: LIBStick.py:5021
 msgid "Redémarrer"
 msgstr "Restart"
 
-#: LIBStick.py:4565
+#: LIBStick.py:5024
 msgid "Traitement"
 msgstr "Treatment"
 
-#: LIBStick.py:4567 LIBStick.py:4572 LIBStick.py:4577
+#: LIBStick.py:5026 LIBStick.py:5031 LIBStick.py:5036 LIBStick.py:5041
 msgid "Echelle log y"
 msgstr "Log scale y"
 
-#: LIBStick.py:4570 LIBStick.py:5095
+#: LIBStick.py:5029 LIBStick.py:5603
 msgid "Extraction"
 msgstr "Extraction"
 
-#: LIBStick.py:4575
+#: LIBStick.py:5034
 msgid "Comparaison"
 msgstr "Comparison"
 
-#: LIBStick.py:4580
+#: LIBStick.py:5039 LIBStick.py:6061
+msgid "ACP"
+msgstr "PCA"
+
+#: LIBStick.py:5044
 msgid "Outils"
 msgstr "Tools"
 
-#: LIBStick.py:4582
+#: LIBStick.py:5046
 msgid "Zoom auto en y"
 msgstr "Auto Zoom in y"
 
-#: LIBStick.py:4583
+#: LIBStick.py:5047
+msgid "Graduations"
+msgstr "Graduations"
+
+#: LIBStick.py:5049
+msgid "Pas multiple de 10"
+msgstr "Step multiple of 10"
+
+#: LIBStick.py:5051
+msgid "Pas multiple de 5"
+msgstr "Step multiple of 5"
+
+#: LIBStick.py:5053
+msgid "Pas multiple de 2"
+msgstr "Step multiple of 2"
+
+#: LIBStick.py:5055
+msgid "Pas multiple de 1"
+msgstr "Step multiple of 1"
+
+#: LIBStick.py:5059
+msgid "Espacement mini 100 pixels"
+msgstr "Min. spacing 100 pixels"
+
+#: LIBStick.py:5061
+msgid "Espacement mini 50 pixels"
+msgstr "Min. spacing 50 pixels"
+
+#: LIBStick.py:5063
+msgid "Espacement mini 20 pixels"
+msgstr "Min. spacing 20 pixels"
+
+#: LIBStick.py:5067
+msgid "Recherche d'éléments"
+msgstr "Search elements"
+
+#: LIBStick.py:5069
+msgid "Tableau périodique"
+msgstr "Periodic table"
+
+#: LIBStick.py:5073
 msgid "Fenetre principale premier plan"
 msgstr "Main window foreground"
 
-#: LIBStick.py:4587
+#: LIBStick.py:5077
 msgid "Langue au prochain démarage"
 msgstr "Language at next start-up"
 
-#: LIBStick.py:4589
+#: LIBStick.py:5079
 msgid "Français"
 msgstr "French"
 
-#: LIBStick.py:4591
+#: LIBStick.py:5081
 msgid "Anglais"
 msgstr "English"
 
-#: LIBStick.py:4593
+#: LIBStick.py:5083
 msgid "Espagnol"
 msgstr "Spanish"
 
-#: LIBStick.py:4595
+#: LIBStick.py:5085
 msgid "Italien"
 msgstr "Italian"
 
-#: LIBStick.py:4599
+#: LIBStick.py:5088
 msgid "Style au prochain démarage"
 msgstr "Style at next start-up"
 
-#: LIBStick.py:4601
+#: LIBStick.py:5090
 msgid "Couleur de LIBStick"
 msgstr "Colour of LIBStick"
 
-#: LIBStick.py:4707 LIBStick.py:5469
+#: LIBStick.py:5135
+msgid "Aide"
+msgstr "Help"
+
+#: LIBStick.py:5136
+msgid "Aide (F1)"
+msgstr "Help (F1)"
+
+#: LIBStick.py:5138
+msgid "A propos de LIBStick"
+msgstr "About LIBStick"
+
+#: LIBStick.py:5210 LIBStick.py:5979
 msgid "Borne inf :"
 msgstr "Lower limit :"
 
-#: LIBStick.py:4708 LIBStick.py:5470
+#: LIBStick.py:5211 LIBStick.py:5980
 msgid "Borne sup :"
 msgstr "Upper limit :"
 
-#: LIBStick.py:4720
+#: LIBStick.py:5223
 msgid "Filtre :"
 msgstr "Filter :"
 
-#: LIBStick.py:4721
+#: LIBStick.py:5224
 msgid "Taille :"
 msgstr "Size :"
 
-#: LIBStick.py:4722
+#: LIBStick.py:5225
 msgid "Ordre :"
 msgstr "Order :"
 
-#: LIBStick.py:4723
+#: LIBStick.py:5226
 msgid "Dérivée :"
 msgstr "Derivation :"
 
-#: LIBStick.py:4735 LIBStick.py:4760
+#: LIBStick.py:5238 LIBStick.py:5263
 msgid "Aucun"
 msgstr "None"
 
-#: LIBStick.py:4747
+#: LIBStick.py:5250
 msgid "Fond :"
 msgstr "Background :"
 
-#: LIBStick.py:4748
+#: LIBStick.py:5251
 msgid "Itérations :"
 msgstr "Iterations :"
 
-#: LIBStick.py:4788
+#: LIBStick.py:5293
 msgid "Visualisation"
 msgstr "Visualization"
 
-#: LIBStick.py:4819
+#: LIBStick.py:5324
 msgid ""
 "Appliquer sur\n"
 "tous les fichiers\n"
@@ -198,7 +274,7 @@ msgstr ""
 "all files in\n"
 "the directory"
 
-#: LIBStick.py:4825
+#: LIBStick.py:5330
 msgid ""
 "Sauvegarde du\n"
 "fond continu"
@@ -207,59 +283,59 @@ msgstr ""
 "continuous\n"
 "background"
 
-#: LIBStick.py:4829
+#: LIBStick.py:5334
 msgid "Executer"
 msgstr "Execute"
 
-#: LIBStick.py:4833
+#: LIBStick.py:5338
 msgid "Spectre : "
 msgstr "Spectrum : "
 
-#: LIBStick.py:4931
+#: LIBStick.py:5436
 msgid "Première borne inf (nm)"
 msgstr "First lower limit (nm)"
 
-#: LIBStick.py:4932
+#: LIBStick.py:5437
 msgid "Première borne sup (nm)"
 msgstr "First upper limit (nm)"
 
-#: LIBStick.py:4933
+#: LIBStick.py:5438
 msgid "Seconde borne inf (nm)"
 msgstr "Second lower limit (nm)"
 
-#: LIBStick.py:4934
+#: LIBStick.py:5439
 msgid "Seconde borne sup (nm)"
 msgstr "Second upper limit (nm)"
 
-#: LIBStick.py:4958
+#: LIBStick.py:5463
 msgid "Seconde extraction"
 msgstr "Second extraction"
 
-#: LIBStick.py:4962 LIBStick.py:5242
+#: LIBStick.py:5467 LIBStick.py:5749
 msgid "Reset"
 msgstr "Reset"
 
-#: LIBStick.py:4985 LIBStick.py:5266
+#: LIBStick.py:5492 LIBStick.py:5775
 msgid "Exécute"
 msgstr "Execute"
 
-#: LIBStick.py:4992 LIBStick.py:5273
+#: LIBStick.py:5499 LIBStick.py:5782
 msgid "Sortie 2D"
 msgstr "2D output"
 
-#: LIBStick.py:4998 LIBStick.py:5280
+#: LIBStick.py:5505 LIBStick.py:5789
 msgid "Sortie 3D"
 msgstr "3D output"
 
-#: LIBStick.py:5017 LIBStick.py:5020
+#: LIBStick.py:5524 LIBStick.py:5527
 msgid "Position x (nm) : "
 msgstr "Position x (nm) : "
 
-#: LIBStick.py:5019 LIBStick.py:5022
+#: LIBStick.py:5526 LIBStick.py:5529
 msgid "Position y (n° de spectre) : "
 msgstr "Position y (spectrum number) : "
 
-#: LIBStick.py:5048
+#: LIBStick.py:5555
 msgid ""
 "Image brute\n"
 "spectres non\n"
@@ -269,7 +345,7 @@ msgstr ""
 "unnormalized\n"
 "spectra"
 
-#: LIBStick.py:5053
+#: LIBStick.py:5561
 msgid ""
 "Spectre inclus\n"
 "dans spectre\n"
@@ -280,15 +356,15 @@ msgstr ""
 "in average\n"
 "spectrum"
 
-#: LIBStick.py:5078
+#: LIBStick.py:5587
 msgid "Du spectre n° :"
 msgstr "From spectrum :"
 
-#: LIBStick.py:5079
+#: LIBStick.py:5588
 msgid "Au spectre n° :"
 msgstr "To spectrum :"
 
-#: LIBStick.py:5099
+#: LIBStick.py:5609
 msgid ""
 "Moyenne des\n"
 "spectres \n"
@@ -298,27 +374,27 @@ msgstr ""
 "normalized \n"
 "spectra"
 
-#: LIBStick.py:5208
+#: LIBStick.py:5717
 msgid "Numérateur borne inf (nm)"
 msgstr "Numerator lower limit (nm)"
 
-#: LIBStick.py:5210
+#: LIBStick.py:5718
 msgid "Numérateur borne sup (nm)"
 msgstr "Numerator upper limit (nm)"
 
-#: LIBStick.py:5212
+#: LIBStick.py:5719
 msgid "Dénominateur borne inf (nm)"
 msgstr "Denominator lower limit (nm)"
 
-#: LIBStick.py:5214
+#: LIBStick.py:5720
 msgid "Dénominateur borne sup( nm)"
 msgstr "Denominator upper limit (nm)"
 
-#: LIBStick.py:5238
+#: LIBStick.py:5744
 msgid "Dénominateur ?"
 msgstr "Denominator ?"
 
-#: LIBStick.py:5321
+#: LIBStick.py:5830
 msgid ""
 "Normalisation\n"
 "des spectres"
@@ -326,11 +402,11 @@ msgstr ""
 "Standardization\n"
 "of spectra"
 
-#: LIBStick.py:5334
+#: LIBStick.py:5844
 msgid "Statistiques"
 msgstr "Statistics"
 
-#: LIBStick.py:5340
+#: LIBStick.py:5851
 msgid ""
 "\n"
 "Position x (nm) : "
@@ -338,7 +414,7 @@ msgstr ""
 "\n"
 "Position x (nm) : "
 
-#: LIBStick.py:5342
+#: LIBStick.py:5852
 msgid ""
 "Position y \n"
 "(n° de spectre) : "
@@ -346,63 +422,63 @@ msgstr ""
 "Position y \n"
 "(spectrum number) : "
 
-#: LIBStick.py:5366 LIBStick.py:5526
+#: LIBStick.py:5876 LIBStick.py:6036
 msgid "n°"
 msgstr "n°"
 
-#: LIBStick.py:5367 LIBStick.py:5527
+#: LIBStick.py:5877 LIBStick.py:6037
 msgid "Nom du spectre"
 msgstr "Name of the spectrum"
 
-#: LIBStick.py:5368
+#: LIBStick.py:5878
 msgid "Rapport zone1/zone2"
 msgstr "Zone1/zone2 ratio"
 
-#: LIBStick.py:5528
+#: LIBStick.py:6038
 msgid "Utlisé pour l'ACP :"
 msgstr "Used for PCA :"
 
-#: LIBStick.py:5529
+#: LIBStick.py:6039
 msgid "Label :"
 msgstr "Label :"
 
-#: LIBStick.py:5540
+#: LIBStick.py:6050
 msgid "Spectres normalisés"
 msgstr "Standardised spectra"
 
-#: LIBStick.py:5545
+#: LIBStick.py:6056
 msgid "Centré reduit"
 msgstr "Reduced centered"
 
-#: LIBStick.py:5549
-msgid "ACP"
-msgstr "PCA"
-
-#: LIBStick.py:5553
+#: LIBStick.py:6065
 msgid "+ ind. supp."
 msgstr "+ supp.ind."
 
-#: LIBStick.py:5557
+#: LIBStick.py:6069
 msgid "Ouvre"
 msgstr "Open"
 
-#: LIBStick.py:5561
+#: LIBStick.py:6073
 msgid "Sauve"
 msgstr "Save"
 
-#: LIBStick.py:5565
+#: LIBStick.py:6077
 msgid "Dimensions : "
 msgstr "Dimensions : "
 
-#: LIBStick.py:5585
+#: LIBStick.py:6097
 msgid "Même echelle x et y"
 msgstr "Same scale x and y"
 
-#: LIBStick.py:5589
+#: LIBStick.py:6101
 msgid "Diag. éboulis"
 msgstr "Scree diagram"
 
-#: LIBStick.py:5607
+#: LIBStick.py:6120
+msgid "Diag. plotly"
+msgstr "Plotly diag."
+
+#: LIBStick.py:6123
 msgid ""
 "Enregistrer \n"
 "facteurs \n"
diff --git a/locale/es/LC_MESSAGES/es.mo b/locale/es/LC_MESSAGES/es.mo
index 41348a3..9a34197 100644
Binary files a/locale/es/LC_MESSAGES/es.mo and b/locale/es/LC_MESSAGES/es.mo differ
diff --git a/locale/es/LC_MESSAGES/es.po b/locale/es/LC_MESSAGES/es.po
index 9711d9f..355f237 100644
--- a/locale/es/LC_MESSAGES/es.po
+++ b/locale/es/LC_MESSAGES/es.po
@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: LIBStick v2.0\n"
-"POT-Creation-Date: 2023-05-12 10:18+0200\n"
-"PO-Revision-Date: 2023-05-12 10:19+0200\n"
+"POT-Creation-Date: 2024-02-09 09:42+0100\n"
+"PO-Revision-Date: 2024-02-09 09:45+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: es\n"
@@ -10,184 +10,260 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Poedit 3.1.1\n"
+"X-Generator: Poedit 3.4\n"
 "X-Poedit-Basepath: ../../..\n"
 "X-Poedit-SearchPath-0: LIBStick.py\n"
 
-#: LIBStick.py:156 LIBStick.py:4234
+#: LIBStick.py:179 LIBStick.py:4677
 msgid "Attention !"
 msgstr "¡Atención!"
 
-#: LIBStick.py:157
+#: LIBStick.py:180
 msgid "Veuillez redémarrer LIBStick pour retrouver les paramètres par défaut."
 msgstr "Por favor, reinicie LIBStick para restaurar la configuración por defecto."
 
-#: LIBStick.py:459
+#: LIBStick.py:494
 msgid "Choisissez un fichier spectre"
 msgstr "Elegir un archivo de espectro"
 
-#: LIBStick.py:4235
+#: LIBStick.py:4402
+msgid "Valider"
+msgstr "Validar"
+
+#: LIBStick.py:4475
+msgid "Lambda (nm) :"
+msgstr "Lambda (nm) :"
+
+#: LIBStick.py:4476
+msgid "Delta (nm) :"
+msgstr "Delta (nm) :"
+
+#: LIBStick.py:4477
+msgid "Seuil (> I rela.) :"
+msgstr "Umbral (> I rela.) :"
+
+#: LIBStick.py:4499 LIBStick.py:4847
+msgid "NIST LIBS"
+msgstr "NIST LIBS"
+
+#: LIBStick.py:4678
 msgid "Pas d'informations pour cet élément."
 msgstr "No hay información para este elemento."
 
-#: LIBStick.py:4381
+#: LIBStick.py:4828
 msgid "Ferme"
 msgstr "Cerrar"
 
-#: LIBStick.py:4390
+#: LIBStick.py:4838
 msgid "Neutres"
 msgstr "Neutral"
 
-#: LIBStick.py:4394
+#: LIBStick.py:4842
 msgid "Ions +"
 msgstr "Iones +"
 
-#: LIBStick.py:4399
+#: LIBStick.py:4852
 msgid "I relative >= 10%"
 msgstr "I relativo >= 10%"
 
-#: LIBStick.py:4403
+#: LIBStick.py:4856
 msgid "1% <= I relative < 10%"
 msgstr "1% <= I relativo < 10%"
 
-#: LIBStick.py:4407
+#: LIBStick.py:4860
 msgid "I relative < 1%"
 msgstr "I relativo < 1%"
 
-#: LIBStick.py:4544
+#: LIBStick.py:4997
 msgid "LIBStick pré-traitements"
 msgstr "LIBStick pre-tratamientos"
 
-#: LIBStick.py:4545
+#: LIBStick.py:4998
 msgid "LIBStick extraction"
 msgstr "LIBStick Extracción"
 
-#: LIBStick.py:4546
+#: LIBStick.py:4999
 msgid "LIBStick comparaison"
 msgstr "LIBStick Comparación"
 
-#: LIBStick.py:4547
+#: LIBStick.py:5000
 msgid "LIBStick ACP"
 msgstr "LIBStick ACP"
 
-#: LIBStick.py:4558 LIBStick.py:4786 LIBStick.py:4982 LIBStick.py:5264
-#: LIBStick.py:5501
+#: LIBStick.py:5014 LIBStick.py:5291 LIBStick.py:5489 LIBStick.py:5773
+#: LIBStick.py:6011
 msgid "Fichier"
 msgstr "Archivo"
 
-#: LIBStick.py:4559
+#: LIBStick.py:5015
 msgid "Sauvegarde des paramètres actuels"
 msgstr "Guardar la configuración actual"
 
-#: LIBStick.py:4561
+#: LIBStick.py:5017
 msgid "Restaure les paramètres par défaut au prochain démarrage"
 msgstr "Restaurar la configuración por defecto en el próximo inicio"
 
-#: LIBStick.py:4562
+#: LIBStick.py:5019
 msgid "Quitter"
 msgstr "Salida"
 
-#: LIBStick.py:4563
+#: LIBStick.py:5021
 msgid "Redémarrer"
 msgstr "Reiniciar"
 
-#: LIBStick.py:4565
+#: LIBStick.py:5024
 msgid "Traitement"
 msgstr "Procesando"
 
-#: LIBStick.py:4567 LIBStick.py:4572 LIBStick.py:4577
+#: LIBStick.py:5026 LIBStick.py:5031 LIBStick.py:5036 LIBStick.py:5041
 msgid "Echelle log y"
 msgstr "Escala Log y"
 
-#: LIBStick.py:4570 LIBStick.py:5095
+#: LIBStick.py:5029 LIBStick.py:5603
 msgid "Extraction"
 msgstr "Extracción"
 
-#: LIBStick.py:4575
+#: LIBStick.py:5034
 msgid "Comparaison"
 msgstr "Comparación"
 
-#: LIBStick.py:4580
+#: LIBStick.py:5039 LIBStick.py:6061
+msgid "ACP"
+msgstr "PCA"
+
+#: LIBStick.py:5044
 msgid "Outils"
 msgstr "Herramientas"
 
-#: LIBStick.py:4582
+#: LIBStick.py:5046
 msgid "Zoom auto en y"
 msgstr "Zoom automático en y"
 
-#: LIBStick.py:4583
+#: LIBStick.py:5047
+msgid "Graduations"
+msgstr "Graduaciones"
+
+#: LIBStick.py:5049
+msgid "Pas multiple de 10"
+msgstr "Paso múltiplo de 10"
+
+#: LIBStick.py:5051
+msgid "Pas multiple de 5"
+msgstr "Paso múltiplo de 5"
+
+#: LIBStick.py:5053
+msgid "Pas multiple de 2"
+msgstr "Paso múltiplo de 2"
+
+#: LIBStick.py:5055
+msgid "Pas multiple de 1"
+msgstr "Paso múltiplo de 1"
+
+#: LIBStick.py:5059
+msgid "Espacement mini 100 pixels"
+msgstr "Espacio mínimo 100 píxeles"
+
+#: LIBStick.py:5061
+msgid "Espacement mini 50 pixels"
+msgstr "Espacio mínimo 50 píxeles"
+
+#: LIBStick.py:5063
+msgid "Espacement mini 20 pixels"
+msgstr "Espacio mínimo 20 píxeles"
+
+#: LIBStick.py:5067
+msgid "Recherche d'éléments"
+msgstr "Buscar elementos"
+
+#: LIBStick.py:5069
+msgid "Tableau périodique"
+msgstr "Tabla periódica"
+
+#: LIBStick.py:5073
 msgid "Fenetre principale premier plan"
 msgstr "Ventana principal en primer plano"
 
-#: LIBStick.py:4587
+#: LIBStick.py:5077
 msgid "Langue au prochain démarage"
 msgstr "Lengua en el próximo inicio"
 
-#: LIBStick.py:4589
+#: LIBStick.py:5079
 msgid "Français"
 msgstr "Francés"
 
-#: LIBStick.py:4591
+#: LIBStick.py:5081
 msgid "Anglais"
 msgstr "Inglés"
 
-#: LIBStick.py:4593
+#: LIBStick.py:5083
 msgid "Espagnol"
 msgstr "Español"
 
-#: LIBStick.py:4595
+#: LIBStick.py:5085
 msgid "Italien"
 msgstr "Italiano"
 
-#: LIBStick.py:4599
+#: LIBStick.py:5088
 msgid "Style au prochain démarage"
 msgstr "Estilo en el próximo inicio"
 
-#: LIBStick.py:4601
+#: LIBStick.py:5090
 msgid "Couleur de LIBStick"
 msgstr "Color del LIBStick"
 
-#: LIBStick.py:4707 LIBStick.py:5469
+#: LIBStick.py:5135
+msgid "Aide"
+msgstr "Asistencia"
+
+#: LIBStick.py:5136
+msgid "Aide (F1)"
+msgstr "Asistencia (F1)"
+
+#: LIBStick.py:5138
+msgid "A propos de LIBStick"
+msgstr "por cierto del LIBStick"
+
+#: LIBStick.py:5210 LIBStick.py:5979
 msgid "Borne inf :"
 msgstr "Límite inf:"
 
-#: LIBStick.py:4708 LIBStick.py:5470
+#: LIBStick.py:5211 LIBStick.py:5980
 msgid "Borne sup :"
 msgstr "Límite sup:"
 
-#: LIBStick.py:4720
+#: LIBStick.py:5223
 msgid "Filtre :"
 msgstr "Filtro:"
 
-#: LIBStick.py:4721
+#: LIBStick.py:5224
 msgid "Taille :"
 msgstr "Tamaño:"
 
-#: LIBStick.py:4722
+#: LIBStick.py:5225
 msgid "Ordre :"
 msgstr "Orden:"
 
-#: LIBStick.py:4723
+#: LIBStick.py:5226
 msgid "Dérivée :"
 msgstr "Derivado:"
 
-#: LIBStick.py:4735 LIBStick.py:4760
+#: LIBStick.py:5238 LIBStick.py:5263
 msgid "Aucun"
 msgstr "Ninguno"
 
-#: LIBStick.py:4747
+#: LIBStick.py:5250
 msgid "Fond :"
 msgstr "Fondo:"
 
-#: LIBStick.py:4748
+#: LIBStick.py:5251
 msgid "Itérations :"
 msgstr "Iteraciones:"
 
-#: LIBStick.py:4788
+#: LIBStick.py:5293
 msgid "Visualisation"
 msgstr "Visualización"
 
-#: LIBStick.py:4819
+#: LIBStick.py:5324
 msgid ""
 "Appliquer sur\n"
 "tous les fichiers\n"
@@ -197,7 +273,7 @@ msgstr ""
 "los archivos en\n"
 " el directorio"
 
-#: LIBStick.py:4825
+#: LIBStick.py:5330
 msgid ""
 "Sauvegarde du\n"
 "fond continu"
@@ -205,59 +281,59 @@ msgstr ""
 "Registrar\n"
 "fondo continuo"
 
-#: LIBStick.py:4829
+#: LIBStick.py:5334
 msgid "Executer"
 msgstr "Ejecutar"
 
-#: LIBStick.py:4833
+#: LIBStick.py:5338
 msgid "Spectre : "
 msgstr "Espectro: "
 
-#: LIBStick.py:4931
+#: LIBStick.py:5436
 msgid "Première borne inf (nm)"
 msgstr "Primer límite inf (nm)"
 
-#: LIBStick.py:4932
+#: LIBStick.py:5437
 msgid "Première borne sup (nm)"
 msgstr "Primer límite sup (nm)"
 
-#: LIBStick.py:4933
+#: LIBStick.py:5438
 msgid "Seconde borne inf (nm)"
 msgstr "Segundo límite inf (nm)"
 
-#: LIBStick.py:4934
+#: LIBStick.py:5439
 msgid "Seconde borne sup (nm)"
 msgstr "Segundo límite sup (nm)"
 
-#: LIBStick.py:4958
+#: LIBStick.py:5463
 msgid "Seconde extraction"
 msgstr "Segunda extracción"
 
-#: LIBStick.py:4962 LIBStick.py:5242
+#: LIBStick.py:5467 LIBStick.py:5749
 msgid "Reset"
 msgstr "Reiniciar"
 
-#: LIBStick.py:4985 LIBStick.py:5266
+#: LIBStick.py:5492 LIBStick.py:5775
 msgid "Exécute"
 msgstr "Ejecutar"
 
-#: LIBStick.py:4992 LIBStick.py:5273
+#: LIBStick.py:5499 LIBStick.py:5782
 msgid "Sortie 2D"
 msgstr "Salida 2D"
 
-#: LIBStick.py:4998 LIBStick.py:5280
+#: LIBStick.py:5505 LIBStick.py:5789
 msgid "Sortie 3D"
 msgstr "Salida 3D"
 
-#: LIBStick.py:5017 LIBStick.py:5020
+#: LIBStick.py:5524 LIBStick.py:5527
 msgid "Position x (nm) : "
 msgstr "Posición x (nm) : "
 
-#: LIBStick.py:5019 LIBStick.py:5022
+#: LIBStick.py:5526 LIBStick.py:5529
 msgid "Position y (n° de spectre) : "
 msgstr "Posición y (# de espectro): "
 
-#: LIBStick.py:5048
+#: LIBStick.py:5555
 msgid ""
 "Image brute\n"
 "spectres non\n"
@@ -267,7 +343,7 @@ msgstr ""
 "espectros no\n"
 "normalizados"
 
-#: LIBStick.py:5053
+#: LIBStick.py:5561
 msgid ""
 "Spectre inclus\n"
 "dans spectre\n"
@@ -277,15 +353,15 @@ msgstr ""
 "en el espectro\n"
 "promedio"
 
-#: LIBStick.py:5078
+#: LIBStick.py:5587
 msgid "Du spectre n° :"
 msgstr "Desde el espectro #:"
 
-#: LIBStick.py:5079
+#: LIBStick.py:5588
 msgid "Au spectre n° :"
 msgstr "Hasta el espectro #:"
 
-#: LIBStick.py:5099
+#: LIBStick.py:5609
 msgid ""
 "Moyenne des\n"
 "spectres \n"
@@ -295,27 +371,27 @@ msgstr ""
 "espectros \n"
 "normalizados"
 
-#: LIBStick.py:5208
+#: LIBStick.py:5717
 msgid "Numérateur borne inf (nm)"
 msgstr "Numerador límite inf. (nm)"
 
-#: LIBStick.py:5210
+#: LIBStick.py:5718
 msgid "Numérateur borne sup (nm)"
 msgstr "Numerador límite sup. (nm)"
 
-#: LIBStick.py:5212
+#: LIBStick.py:5719
 msgid "Dénominateur borne inf (nm)"
 msgstr "Denominador límite inf. (nm)"
 
-#: LIBStick.py:5214
+#: LIBStick.py:5720
 msgid "Dénominateur borne sup( nm)"
 msgstr "Denominador límite sup. (nm)"
 
-#: LIBStick.py:5238
+#: LIBStick.py:5744
 msgid "Dénominateur ?"
 msgstr "Denominador ?"
 
-#: LIBStick.py:5321
+#: LIBStick.py:5830
 msgid ""
 "Normalisation\n"
 "des spectres"
@@ -323,11 +399,11 @@ msgstr ""
 "Normalización\n"
 "de los espectros"
 
-#: LIBStick.py:5334
+#: LIBStick.py:5844
 msgid "Statistiques"
 msgstr "Estadísticas"
 
-#: LIBStick.py:5340
+#: LIBStick.py:5851
 msgid ""
 "\n"
 "Position x (nm) : "
@@ -335,7 +411,7 @@ msgstr ""
 "\n"
 "Posición x (nm) : "
 
-#: LIBStick.py:5342
+#: LIBStick.py:5852
 msgid ""
 "Position y \n"
 "(n° de spectre) : "
@@ -343,63 +419,63 @@ msgstr ""
 "Posición y \n"
 "(# de espectro) : "
 
-#: LIBStick.py:5366 LIBStick.py:5526
+#: LIBStick.py:5876 LIBStick.py:6036
 msgid "n°"
 msgstr "n°"
 
-#: LIBStick.py:5367 LIBStick.py:5527
+#: LIBStick.py:5877 LIBStick.py:6037
 msgid "Nom du spectre"
 msgstr "Nombre del espectro"
 
-#: LIBStick.py:5368
+#: LIBStick.py:5878
 msgid "Rapport zone1/zone2"
 msgstr "Ratio zona1/zona2"
 
-#: LIBStick.py:5528
+#: LIBStick.py:6038
 msgid "Utlisé pour l'ACP :"
 msgstr "Utizado para PCA:"
 
-#: LIBStick.py:5529
+#: LIBStick.py:6039
 msgid "Label :"
 msgstr "Etiqueta:"
 
-#: LIBStick.py:5540
+#: LIBStick.py:6050
 msgid "Spectres normalisés"
 msgstr "Espectros normalizados"
 
-#: LIBStick.py:5545
+#: LIBStick.py:6056
 msgid "Centré reduit"
 msgstr "Centrado reducido"
 
-#: LIBStick.py:5549
-msgid "ACP"
-msgstr "PCA"
-
-#: LIBStick.py:5553
+#: LIBStick.py:6065
 msgid "+ ind. supp."
 msgstr "+ ind. adicional"
 
-#: LIBStick.py:5557
+#: LIBStick.py:6069
 msgid "Ouvre"
 msgstr "Abrir"
 
-#: LIBStick.py:5561
+#: LIBStick.py:6073
 msgid "Sauve"
 msgstr "Guardar"
 
-#: LIBStick.py:5565
+#: LIBStick.py:6077
 msgid "Dimensions : "
 msgstr "Dimensiones: "
 
-#: LIBStick.py:5585
+#: LIBStick.py:6097
 msgid "Même echelle x et y"
 msgstr "Misma escala x e y"
 
-#: LIBStick.py:5589
+#: LIBStick.py:6101
 msgid "Diag. éboulis"
 msgstr "Diag. scree"
 
-#: LIBStick.py:5607
+#: LIBStick.py:6120
+msgid "Diag. plotly"
+msgstr "Diag. plotly"
+
+#: LIBStick.py:6123
 msgid ""
 "Enregistrer \n"
 "facteurs \n"
diff --git a/locale/fr/LC_MESSAGES/fr.mo b/locale/fr/LC_MESSAGES/fr.mo
index 180abf7..4fa0d74 100644
Binary files a/locale/fr/LC_MESSAGES/fr.mo and b/locale/fr/LC_MESSAGES/fr.mo differ
diff --git a/locale/fr/LC_MESSAGES/fr.po b/locale/fr/LC_MESSAGES/fr.po
index be58e32..af26296 100644
--- a/locale/fr/LC_MESSAGES/fr.po
+++ b/locale/fr/LC_MESSAGES/fr.po
@@ -1,365 +1,457 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: LIBStick v2.0\n"
-"POT-Creation-Date: 2022-02-08 10:39+0100\n"
-"PO-Revision-Date: 2022-02-08 10:39+0100\n"
+"POT-Creation-Date: 2024-02-09 09:37+0100\n"
+"PO-Revision-Date: 2024-02-09 09:37+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: fr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"X-Generator: Poedit 3.0\n"
-"X-Poedit-Basepath: ../../..\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"X-Generator: Poedit 3.4\n"
+"X-Poedit-Basepath: ../../..\n"
 "X-Poedit-SearchPath-0: LIBStick.py\n"
 
-#: LIBStick.py:124 LIBStick.py:3010
+#: LIBStick.py:179 LIBStick.py:4677
 msgid "Attention !"
 msgstr ""
 
-#: LIBStick.py:124
+#: LIBStick.py:180
 msgid "Veuillez redémarrer LIBStick pour retrouver les paramètres par défaut."
 msgstr ""
 
-#: LIBStick.py:239
+#: LIBStick.py:494
 msgid "Choisissez un fichier spectre"
 msgstr ""
 
-#: LIBStick.py:3010
+#: LIBStick.py:4475
+msgid "Lambda (nm) :"
+msgstr ""
+
+#: LIBStick.py:4476
+msgid "Delta (nm) :"
+msgstr ""
+
+#: LIBStick.py:4477
+msgid "Seuil (> I rela.) :"
+msgstr ""
+
+#: LIBStick.py:4499 LIBStick.py:4847
+msgid "NIST LIBS"
+msgstr ""
+
+#: LIBStick.py:4678
 msgid "Pas d'informations pour cet élément."
 msgstr ""
 
-#: LIBStick.py:3132
+#: LIBStick.py:4828
 msgid "Ferme"
 msgstr ""
 
-#: LIBStick.py:3141
+#: LIBStick.py:4838
 msgid "Neutres"
 msgstr ""
 
-#: LIBStick.py:3144
+#: LIBStick.py:4842
 msgid "Ions +"
 msgstr ""
 
-#: LIBStick.py:3148
+#: LIBStick.py:4852
 msgid "I relative >= 10%"
 msgstr ""
 
-#: LIBStick.py:3151
+#: LIBStick.py:4856
 msgid "1% <= I relative < 10%"
 msgstr ""
 
-#: LIBStick.py:3154
+#: LIBStick.py:4860
 msgid "I relative < 1%"
 msgstr ""
 
-#: LIBStick.py:3277
+#: LIBStick.py:4997
 msgid "LIBStick pré-traitements"
 msgstr ""
 
-#: LIBStick.py:3278
+#: LIBStick.py:4998
 msgid "LIBStick extraction"
 msgstr ""
 
-#: LIBStick.py:3279
+#: LIBStick.py:4999
 msgid "LIBStick comparaison"
 msgstr ""
 
-#: LIBStick.py:3280
+#: LIBStick.py:5000
 msgid "LIBStick ACP"
 msgstr ""
 
-#: LIBStick.py:3290 LIBStick.py:3460 LIBStick.py:3649 LIBStick.py:3923
-#: LIBStick.py:4151
+#: LIBStick.py:5014 LIBStick.py:5291 LIBStick.py:5489 LIBStick.py:5773
+#: LIBStick.py:6011
 msgid "Fichier"
 msgstr ""
 
-#: LIBStick.py:3291
+#: LIBStick.py:5015
 msgid "Sauvegarde des paramètres actuels"
 msgstr ""
 
-#: LIBStick.py:3293
+#: LIBStick.py:5017
 msgid "Restaure les paramètres par défaut au prochain démarrage"
 msgstr ""
 
-#: LIBStick.py:3294
+#: LIBStick.py:5019
 msgid "Quitter"
 msgstr ""
 
-#: LIBStick.py:3296
+#: LIBStick.py:5021
+msgid "Redémarrer"
+msgstr ""
+
+#: LIBStick.py:5024
 msgid "Traitement"
 msgstr ""
 
-#: LIBStick.py:3298 LIBStick.py:3758
+#: LIBStick.py:5026 LIBStick.py:5031 LIBStick.py:5036 LIBStick.py:5041
+msgid "Echelle log y"
+msgstr ""
+
+#: LIBStick.py:5029 LIBStick.py:5603
 msgid "Extraction"
 msgstr ""
 
-#: LIBStick.py:3300
+#: LIBStick.py:5034
 msgid "Comparaison"
 msgstr ""
 
-#: LIBStick.py:3302
+#: LIBStick.py:5039 LIBStick.py:6061
+msgid "ACP"
+msgstr ""
+
+#: LIBStick.py:5044
 msgid "Outils"
 msgstr ""
 
-#: LIBStick.py:3304
+#: LIBStick.py:5046
 msgid "Zoom auto en y"
 msgstr ""
 
-#: LIBStick.py:3305
+#: LIBStick.py:5047
+msgid "Graduations"
+msgstr ""
+
+#: LIBStick.py:5049
+msgid "Pas multiple de 10"
+msgstr ""
+
+#: LIBStick.py:5051
+msgid "Pas multiple de 5"
+msgstr ""
+
+#: LIBStick.py:5053
+msgid "Pas multiple de 2"
+msgstr ""
+
+#: LIBStick.py:5055
+msgid "Pas multiple de 1"
+msgstr ""
+
+#: LIBStick.py:5059
+msgid "Espacement mini 100 pixels"
+msgstr ""
+
+#: LIBStick.py:5061
+msgid "Espacement mini 50 pixels"
+msgstr ""
+
+#: LIBStick.py:5063
+msgid "Espacement mini 20 pixels"
+msgstr ""
+
+#: LIBStick.py:5067
+msgid "Recherche d'éléments"
+msgstr ""
+
+#: LIBStick.py:5069
+msgid "Tableau périodique"
+msgstr ""
+
+#: LIBStick.py:5073
 msgid "Fenetre principale premier plan"
 msgstr ""
 
-#: LIBStick.py:3309
+#: LIBStick.py:5077
 msgid "Langue au prochain démarage"
 msgstr ""
 
-#: LIBStick.py:3311
+#: LIBStick.py:5079
 msgid "Français"
 msgstr ""
 
-#: LIBStick.py:3313
+#: LIBStick.py:5081
 msgid "Anglais"
 msgstr ""
 
-#: LIBStick.py:3315
+#: LIBStick.py:5083
 msgid "Espagnol"
 msgstr ""
 
-#: LIBStick.py:3377
+#: LIBStick.py:5085
+msgid "Italien"
+msgstr ""
+
+#: LIBStick.py:5088
+msgid "Style au prochain démarage"
+msgstr ""
+
+#: LIBStick.py:5090
+msgid "Couleur de LIBStick"
+msgstr ""
+
+#: LIBStick.py:5135
+msgid "Aide"
+msgstr ""
+
+#: LIBStick.py:5136
+msgid "Aide (F1)"
+msgstr ""
+
+#: LIBStick.py:5138
+msgid "A propos de LIBStick"
+msgstr ""
+
+#: LIBStick.py:5210 LIBStick.py:5979
 msgid "Borne inf :"
 msgstr ""
 
-#: LIBStick.py:3378
+#: LIBStick.py:5211 LIBStick.py:5980
 msgid "Borne sup :"
 msgstr ""
 
-#: LIBStick.py:3390
+#: LIBStick.py:5223
 msgid "Filtre :"
 msgstr ""
 
-#: LIBStick.py:3391
+#: LIBStick.py:5224
 msgid "Taille :"
 msgstr ""
 
-#: LIBStick.py:3392
+#: LIBStick.py:5225
 msgid "Ordre :"
 msgstr ""
 
-#: LIBStick.py:3393
+#: LIBStick.py:5226
 msgid "Dérivée :"
 msgstr ""
 
-#: LIBStick.py:3405 LIBStick.py:3430
+#: LIBStick.py:5238 LIBStick.py:5263
 msgid "Aucun"
 msgstr ""
 
-#: LIBStick.py:3417
+#: LIBStick.py:5250
 msgid "Fond :"
 msgstr ""
 
-#: LIBStick.py:3418
+#: LIBStick.py:5251
 msgid "Itérations :"
 msgstr ""
 
-#: LIBStick.py:3462
+#: LIBStick.py:5293
 msgid "Visualisation"
 msgstr ""
 
-#: LIBStick.py:3488
+#: LIBStick.py:5324
 msgid ""
 "Appliquer sur\n"
 "tous les fichiers\n"
 "du répertoire"
 msgstr ""
 
-#: LIBStick.py:3494
+#: LIBStick.py:5330
 msgid ""
 "Sauvegarde du\n"
 "fond continu"
 msgstr ""
 
-#: LIBStick.py:3498
+#: LIBStick.py:5334
 msgid "Executer"
 msgstr ""
 
-#: LIBStick.py:3502
+#: LIBStick.py:5338
 msgid "Spectre : "
 msgstr ""
 
-#: LIBStick.py:3598
+#: LIBStick.py:5436
 msgid "Première borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:3599
+#: LIBStick.py:5437
 msgid "Première borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:3600
+#: LIBStick.py:5438
 msgid "Seconde borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:3601
+#: LIBStick.py:5439
 msgid "Seconde borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:3625
+#: LIBStick.py:5463
 msgid "Seconde extraction"
 msgstr ""
 
-#: LIBStick.py:3629 LIBStick.py:3904
+#: LIBStick.py:5467 LIBStick.py:5749
 msgid "Reset"
 msgstr ""
 
-#: LIBStick.py:3652 LIBStick.py:3926
+#: LIBStick.py:5492 LIBStick.py:5775
 msgid "Exécute"
 msgstr ""
 
-#: LIBStick.py:3659 LIBStick.py:3932
+#: LIBStick.py:5499 LIBStick.py:5782
 msgid "Sortie 2D"
 msgstr ""
 
-#: LIBStick.py:3665 LIBStick.py:3938
+#: LIBStick.py:5505 LIBStick.py:5789
 msgid "Sortie 3D"
 msgstr ""
 
-#: LIBStick.py:3682 LIBStick.py:3685
+#: LIBStick.py:5524 LIBStick.py:5527
 msgid "Position x (nm) : "
 msgstr ""
 
-#: LIBStick.py:3684 LIBStick.py:3687
+#: LIBStick.py:5526 LIBStick.py:5529
 msgid "Position y (n° de spectre) : "
 msgstr ""
 
-#: LIBStick.py:3713
+#: LIBStick.py:5555
 msgid ""
 "Image brute\n"
 "spectres non\n"
 "normalisés"
 msgstr ""
 
-#: LIBStick.py:3718
+#: LIBStick.py:5561
 msgid ""
 "Spectre inclus\n"
 "dans spectre\n"
 "moyen"
 msgstr ""
 
-#: LIBStick.py:3741
+#: LIBStick.py:5587
 msgid "Du spectre n° :"
 msgstr ""
 
-#: LIBStick.py:3742
+#: LIBStick.py:5588
 msgid "Au spectre n° :"
 msgstr ""
 
-#: LIBStick.py:3762
+#: LIBStick.py:5609
 msgid ""
 "Moyenne des\n"
 "spectres \n"
 "normalisés"
 msgstr ""
 
-#: LIBStick.py:3869 LIBStick.py:4119
+#: LIBStick.py:5717
 msgid "Numérateur borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:3871 LIBStick.py:4120
+#: LIBStick.py:5718
 msgid "Numérateur borne sup (nm)"
 msgstr ""
 
-#: LIBStick.py:3873
+#: LIBStick.py:5719
 msgid "Dénominateur borne inf (nm)"
 msgstr ""
 
-#: LIBStick.py:3875
+#: LIBStick.py:5720
 msgid "Dénominateur borne sup( nm)"
 msgstr ""
 
-#: LIBStick.py:3899
+#: LIBStick.py:5744
 msgid "Dénominateur ?"
 msgstr ""
 
-#: LIBStick.py:3974
+#: LIBStick.py:5830
 msgid ""
 "Normalisation\n"
 "des spectres"
 msgstr ""
 
-#: LIBStick.py:3986
+#: LIBStick.py:5844
 msgid "Statistiques"
 msgstr ""
 
-#: LIBStick.py:3992
+#: LIBStick.py:5851
 msgid ""
 "\n"
 "Position x (nm) : "
 msgstr ""
 
-#: LIBStick.py:3994
+#: LIBStick.py:5852
 msgid ""
 "Position y \n"
 "(n° de spectre) : "
 msgstr ""
 
-#: LIBStick.py:4018 LIBStick.py:4173
+#: LIBStick.py:5876 LIBStick.py:6036
 msgid "n°"
 msgstr ""
 
-#: LIBStick.py:4019 LIBStick.py:4174
+#: LIBStick.py:5877 LIBStick.py:6037
 msgid "Nom du spectre"
 msgstr ""
 
-#: LIBStick.py:4020
+#: LIBStick.py:5878
 msgid "Rapport zone1/zone2"
 msgstr ""
 
-#: LIBStick.py:4175
+#: LIBStick.py:6038
 msgid "Utlisé pour l'ACP :"
 msgstr ""
 
-#: LIBStick.py:4176
+#: LIBStick.py:6039
 msgid "Label :"
 msgstr ""
 
-#: LIBStick.py:4188
+#: LIBStick.py:6050
 msgid "Spectres normalisés"
 msgstr ""
 
-#: LIBStick.py:4193
+#: LIBStick.py:6056
 msgid "Centré reduit"
 msgstr ""
 
-#: LIBStick.py:4197
-msgid "Calcule"
+#: LIBStick.py:6065
+msgid "+ ind. supp."
 msgstr ""
 
-#: LIBStick.py:4201
-msgid "Sauve"
-msgstr ""
-
-#: LIBStick.py:4205
+#: LIBStick.py:6069
 msgid "Ouvre"
 msgstr ""
 
-#: LIBStick.py:4209
-msgid "Applique"
+#: LIBStick.py:6073
+msgid "Sauve"
 msgstr ""
 
-#: LIBStick.py:4212
+#: LIBStick.py:6077
 msgid "Dimensions : "
 msgstr ""
 
-#: LIBStick.py:4234
+#: LIBStick.py:6097
 msgid "Même echelle x et y"
 msgstr ""
 
-#: LIBStick.py:4239
+#: LIBStick.py:6101
 msgid "Diag. éboulis"
 msgstr ""
 
-#: LIBStick.py:4256
+#: LIBStick.py:6120
+msgid "Diag. plotly"
+msgstr ""
+
+#: LIBStick.py:6123
 msgid ""
 "Enregistrer \n"
 "facteurs \n"
diff --git a/locale/it/LC_MESSAGES/it.mo b/locale/it/LC_MESSAGES/it.mo
index 95aa400..631bd97 100644
Binary files a/locale/it/LC_MESSAGES/it.mo and b/locale/it/LC_MESSAGES/it.mo differ
diff --git a/locale/it/LC_MESSAGES/it.po b/locale/it/LC_MESSAGES/it.po
index d2732e4..fbfb359 100644
--- a/locale/it/LC_MESSAGES/it.po
+++ b/locale/it/LC_MESSAGES/it.po
@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: LIBStick v2.0\n"
-"POT-Creation-Date: 2023-05-12 10:19+0200\n"
-"PO-Revision-Date: 2023-05-12 10:20+0200\n"
+"POT-Creation-Date: 2024-02-09 09:45+0100\n"
+"PO-Revision-Date: 2024-02-09 09:46+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: it\n"
@@ -10,184 +10,260 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Poedit 3.1.1\n"
+"X-Generator: Poedit 3.4\n"
 "X-Poedit-Basepath: ../../..\n"
 "X-Poedit-SearchPath-0: LIBStick.py\n"
 
-#: LIBStick.py:156 LIBStick.py:4234
+#: LIBStick.py:179 LIBStick.py:4677
 msgid "Attention !"
 msgstr "Attenzione !"
 
-#: LIBStick.py:157
+#: LIBStick.py:180
 msgid "Veuillez redémarrer LIBStick pour retrouver les paramètres par défaut."
 msgstr "Riavviare LIBStick per ritrovare i parametri  di défault."
 
-#: LIBStick.py:459
+#: LIBStick.py:494
 msgid "Choisissez un fichier spectre"
 msgstr "Scegliere un file spettro"
 
-#: LIBStick.py:4235
+#: LIBStick.py:4402
+msgid "Valider"
+msgstr "Validare"
+
+#: LIBStick.py:4475
+msgid "Lambda (nm) :"
+msgstr "Lambda (nm) :"
+
+#: LIBStick.py:4476
+msgid "Delta (nm) :"
+msgstr "Delta (nm) :"
+
+#: LIBStick.py:4477
+msgid "Seuil (> I rela.) :"
+msgstr "Soglia (> I rela.) :"
+
+#: LIBStick.py:4499 LIBStick.py:4847
+msgid "NIST LIBS"
+msgstr "NIST LIBS"
+
+#: LIBStick.py:4678
 msgid "Pas d'informations pour cet élément."
 msgstr "Nessuna informazione per quest'elemento."
 
-#: LIBStick.py:4381
+#: LIBStick.py:4828
 msgid "Ferme"
 msgstr "Chiuso"
 
-#: LIBStick.py:4390
+#: LIBStick.py:4838
 msgid "Neutres"
 msgstr "Neutri"
 
-#: LIBStick.py:4394
+#: LIBStick.py:4842
 msgid "Ions +"
 msgstr "Ioni +"
 
-#: LIBStick.py:4399
+#: LIBStick.py:4852
 msgid "I relative >= 10%"
 msgstr "I relativa >= 10%"
 
-#: LIBStick.py:4403
+#: LIBStick.py:4856
 msgid "1% <= I relative < 10%"
 msgstr "1% <= I relativa < 10%"
 
-#: LIBStick.py:4407
+#: LIBStick.py:4860
 msgid "I relative < 1%"
 msgstr "I relativa < 1%"
 
-#: LIBStick.py:4544
+#: LIBStick.py:4997
 msgid "LIBStick pré-traitements"
 msgstr "LIBStick pretrattamenti"
 
-#: LIBStick.py:4545
+#: LIBStick.py:4998
 msgid "LIBStick extraction"
 msgstr "LIBStick estrazione"
 
-#: LIBStick.py:4546
+#: LIBStick.py:4999
 msgid "LIBStick comparaison"
 msgstr "LIBStick paragone"
 
-#: LIBStick.py:4547
+#: LIBStick.py:5000
 msgid "LIBStick ACP"
 msgstr "LIBStick PCA"
 
-#: LIBStick.py:4558 LIBStick.py:4786 LIBStick.py:4982 LIBStick.py:5264
-#: LIBStick.py:5501
+#: LIBStick.py:5014 LIBStick.py:5291 LIBStick.py:5489 LIBStick.py:5773
+#: LIBStick.py:6011
 msgid "Fichier"
 msgstr "Documento"
 
-#: LIBStick.py:4559
+#: LIBStick.py:5015
 msgid "Sauvegarde des paramètres actuels"
 msgstr "Salvare i parametri attuali"
 
-#: LIBStick.py:4561
+#: LIBStick.py:5017
 msgid "Restaure les paramètres par défaut au prochain démarrage"
 msgstr "Ristabilire i parametri di défault al prossimo avvio"
 
-#: LIBStick.py:4562
+#: LIBStick.py:5019
 msgid "Quitter"
 msgstr "Chiudere"
 
-#: LIBStick.py:4563
+#: LIBStick.py:5021
 msgid "Redémarrer"
 msgstr "Riavviare"
 
-#: LIBStick.py:4565
+#: LIBStick.py:5024
 msgid "Traitement"
 msgstr "Trattamento"
 
-#: LIBStick.py:4567 LIBStick.py:4572 LIBStick.py:4577
+#: LIBStick.py:5026 LIBStick.py:5031 LIBStick.py:5036 LIBStick.py:5041
 msgid "Echelle log y"
 msgstr "Scala log y"
 
-#: LIBStick.py:4570 LIBStick.py:5095
+#: LIBStick.py:5029 LIBStick.py:5603
 msgid "Extraction"
 msgstr "Estrazione"
 
-#: LIBStick.py:4575
+#: LIBStick.py:5034
 msgid "Comparaison"
 msgstr "Paragone"
 
-#: LIBStick.py:4580
+#: LIBStick.py:5039 LIBStick.py:6061
+msgid "ACP"
+msgstr "PCA"
+
+#: LIBStick.py:5044
 msgid "Outils"
 msgstr "Strumenti"
 
-#: LIBStick.py:4582
+#: LIBStick.py:5046
 msgid "Zoom auto en y"
 msgstr "Zoom auto in y"
 
-#: LIBStick.py:4583
+#: LIBStick.py:5047
+msgid "Graduations"
+msgstr ""
+
+#: LIBStick.py:5049
+msgid "Pas multiple de 10"
+msgstr "Passo multiplo di 10"
+
+#: LIBStick.py:5051
+msgid "Pas multiple de 5"
+msgstr "Passo multiplo di 5"
+
+#: LIBStick.py:5053
+msgid "Pas multiple de 2"
+msgstr "Passo multiplo di 2"
+
+#: LIBStick.py:5055
+msgid "Pas multiple de 1"
+msgstr "Passo multiplo di 1"
+
+#: LIBStick.py:5059
+msgid "Espacement mini 100 pixels"
+msgstr "Spazio minimo 100 pixel"
+
+#: LIBStick.py:5061
+msgid "Espacement mini 50 pixels"
+msgstr "Spazio minimo 50 pixel"
+
+#: LIBStick.py:5063
+msgid "Espacement mini 20 pixels"
+msgstr "Spazio minimo 20 pixel"
+
+#: LIBStick.py:5067
+msgid "Recherche d'éléments"
+msgstr "Ricerca di elementi"
+
+#: LIBStick.py:5069
+msgid "Tableau périodique"
+msgstr "Tavola periodica"
+
+#: LIBStick.py:5073
 msgid "Fenetre principale premier plan"
 msgstr "Finestra principale primo piano"
 
-#: LIBStick.py:4587
+#: LIBStick.py:5077
 msgid "Langue au prochain démarage"
 msgstr "Lingua al prossimo avvio"
 
-#: LIBStick.py:4589
+#: LIBStick.py:5079
 msgid "Français"
 msgstr "Francese"
 
-#: LIBStick.py:4591
+#: LIBStick.py:5081
 msgid "Anglais"
 msgstr "Inglese"
 
-#: LIBStick.py:4593
+#: LIBStick.py:5083
 msgid "Espagnol"
 msgstr "Spagnolo"
 
-#: LIBStick.py:4595
+#: LIBStick.py:5085
 msgid "Italien"
 msgstr "Italiano"
 
-#: LIBStick.py:4599
+#: LIBStick.py:5088
 msgid "Style au prochain démarage"
 msgstr "Stile al prossimo avvio"
 
-#: LIBStick.py:4601
+#: LIBStick.py:5090
 msgid "Couleur de LIBStick"
 msgstr "Colore di LIBStick"
 
-#: LIBStick.py:4707 LIBStick.py:5469
+#: LIBStick.py:5135
+msgid "Aide"
+msgstr "Aiuto"
+
+#: LIBStick.py:5136
+msgid "Aide (F1)"
+msgstr "Aiuto (F1)"
+
+#: LIBStick.py:5138
+msgid "A propos de LIBStick"
+msgstr "Informazioni su LIBStick"
+
+#: LIBStick.py:5210 LIBStick.py:5979
 msgid "Borne inf :"
 msgstr "Limite inf :"
 
-#: LIBStick.py:4708 LIBStick.py:5470
+#: LIBStick.py:5211 LIBStick.py:5980
 msgid "Borne sup :"
 msgstr "Limite sup :"
 
-#: LIBStick.py:4720
+#: LIBStick.py:5223
 msgid "Filtre :"
 msgstr "Filtro :"
 
-#: LIBStick.py:4721
+#: LIBStick.py:5224
 msgid "Taille :"
 msgstr "Dimensione :"
 
-#: LIBStick.py:4722
+#: LIBStick.py:5225
 msgid "Ordre :"
 msgstr "Ordine :"
 
-#: LIBStick.py:4723
+#: LIBStick.py:5226
 msgid "Dérivée :"
 msgstr "Derivata :"
 
-#: LIBStick.py:4735 LIBStick.py:4760
+#: LIBStick.py:5238 LIBStick.py:5263
 msgid "Aucun"
 msgstr "Nessuno"
 
-#: LIBStick.py:4747
+#: LIBStick.py:5250
 msgid "Fond :"
 msgstr "Fondo :"
 
-#: LIBStick.py:4748
+#: LIBStick.py:5251
 msgid "Itérations :"
 msgstr "Iterazioni :"
 
-#: LIBStick.py:4788
+#: LIBStick.py:5293
 msgid "Visualisation"
 msgstr "Visualizzazione"
 
-#: LIBStick.py:4819
+#: LIBStick.py:5324
 msgid ""
 "Appliquer sur\n"
 "tous les fichiers\n"
@@ -197,7 +273,7 @@ msgstr ""
 "tutti i documenti\n"
 "della cartella"
 
-#: LIBStick.py:4825
+#: LIBStick.py:5330
 msgid ""
 "Sauvegarde du\n"
 "fond continu"
@@ -205,59 +281,59 @@ msgstr ""
 "Salvataggio del\n"
 "fondo continuo"
 
-#: LIBStick.py:4829
+#: LIBStick.py:5334
 msgid "Executer"
 msgstr "Eseguire"
 
-#: LIBStick.py:4833
+#: LIBStick.py:5338
 msgid "Spectre : "
 msgstr "Spettro : "
 
-#: LIBStick.py:4931
+#: LIBStick.py:5436
 msgid "Première borne inf (nm)"
 msgstr "Primo limite inf (nm)"
 
-#: LIBStick.py:4932
+#: LIBStick.py:5437
 msgid "Première borne sup (nm)"
 msgstr "Primo limite sup (nm)"
 
-#: LIBStick.py:4933
+#: LIBStick.py:5438
 msgid "Seconde borne inf (nm)"
 msgstr "Secondo limite inf (nm)"
 
-#: LIBStick.py:4934
+#: LIBStick.py:5439
 msgid "Seconde borne sup (nm)"
 msgstr "Secondo limite sup (nm)"
 
-#: LIBStick.py:4958
+#: LIBStick.py:5463
 msgid "Seconde extraction"
 msgstr "Seconda estrazione"
 
-#: LIBStick.py:4962 LIBStick.py:5242
+#: LIBStick.py:5467 LIBStick.py:5749
 msgid "Reset"
 msgstr "Reset"
 
-#: LIBStick.py:4985 LIBStick.py:5266
+#: LIBStick.py:5492 LIBStick.py:5775
 msgid "Exécute"
 msgstr "Esegui"
 
-#: LIBStick.py:4992 LIBStick.py:5273
+#: LIBStick.py:5499 LIBStick.py:5782
 msgid "Sortie 2D"
 msgstr "Output 2D"
 
-#: LIBStick.py:4998 LIBStick.py:5280
+#: LIBStick.py:5505 LIBStick.py:5789
 msgid "Sortie 3D"
 msgstr "Output 3D"
 
-#: LIBStick.py:5017 LIBStick.py:5020
+#: LIBStick.py:5524 LIBStick.py:5527
 msgid "Position x (nm) : "
 msgstr "Posizione x (nm) : "
 
-#: LIBStick.py:5019 LIBStick.py:5022
+#: LIBStick.py:5526 LIBStick.py:5529
 msgid "Position y (n° de spectre) : "
 msgstr "Posizione y (n° di spettro) : "
 
-#: LIBStick.py:5048
+#: LIBStick.py:5555
 msgid ""
 "Image brute\n"
 "spectres non\n"
@@ -267,7 +343,7 @@ msgstr ""
 "spettri non\n"
 "normalizzati"
 
-#: LIBStick.py:5053
+#: LIBStick.py:5561
 msgid ""
 "Spectre inclus\n"
 "dans spectre\n"
@@ -277,15 +353,15 @@ msgstr ""
 "nello spettro\n"
 "medio"
 
-#: LIBStick.py:5078
+#: LIBStick.py:5587
 msgid "Du spectre n° :"
 msgstr "Dello spettro n° :"
 
-#: LIBStick.py:5079
+#: LIBStick.py:5588
 msgid "Au spectre n° :"
 msgstr "Allo spettro n° :"
 
-#: LIBStick.py:5099
+#: LIBStick.py:5609
 msgid ""
 "Moyenne des\n"
 "spectres \n"
@@ -295,27 +371,27 @@ msgstr ""
 "spettri\n"
 "normalizzati"
 
-#: LIBStick.py:5208
+#: LIBStick.py:5717
 msgid "Numérateur borne inf (nm)"
 msgstr "Numeratore limite inf (nm)"
 
-#: LIBStick.py:5210
+#: LIBStick.py:5718
 msgid "Numérateur borne sup (nm)"
 msgstr "Numeratore limite sup (nm)"
 
-#: LIBStick.py:5212
+#: LIBStick.py:5719
 msgid "Dénominateur borne inf (nm)"
 msgstr "Denominatore limite inf (nm)"
 
-#: LIBStick.py:5214
+#: LIBStick.py:5720
 msgid "Dénominateur borne sup( nm)"
 msgstr "Denominatore limite sup (nm)"
 
-#: LIBStick.py:5238
+#: LIBStick.py:5744
 msgid "Dénominateur ?"
 msgstr "Denominatore ?"
 
-#: LIBStick.py:5321
+#: LIBStick.py:5830
 msgid ""
 "Normalisation\n"
 "des spectres"
@@ -323,11 +399,11 @@ msgstr ""
 "Normalizzazione\n"
 "degli spettri"
 
-#: LIBStick.py:5334
+#: LIBStick.py:5844
 msgid "Statistiques"
 msgstr "Statistiche"
 
-#: LIBStick.py:5340
+#: LIBStick.py:5851
 msgid ""
 "\n"
 "Position x (nm) : "
@@ -335,7 +411,7 @@ msgstr ""
 "\n"
 "Posizione x (nm) : "
 
-#: LIBStick.py:5342
+#: LIBStick.py:5852
 msgid ""
 "Position y \n"
 "(n° de spectre) : "
@@ -343,63 +419,63 @@ msgstr ""
 "Posizione y \n"
 "(n° di spettro) : "
 
-#: LIBStick.py:5366 LIBStick.py:5526
+#: LIBStick.py:5876 LIBStick.py:6036
 msgid "n°"
 msgstr "n°"
 
-#: LIBStick.py:5367 LIBStick.py:5527
+#: LIBStick.py:5877 LIBStick.py:6037
 msgid "Nom du spectre"
 msgstr "Nome dello spettro"
 
-#: LIBStick.py:5368
+#: LIBStick.py:5878
 msgid "Rapport zone1/zone2"
 msgstr "Rapporto zona1/zona2"
 
-#: LIBStick.py:5528
+#: LIBStick.py:6038
 msgid "Utlisé pour l'ACP :"
 msgstr "Utilizzato per il PCA :"
 
-#: LIBStick.py:5529
+#: LIBStick.py:6039
 msgid "Label :"
 msgstr "Etichetta :"
 
-#: LIBStick.py:5540
+#: LIBStick.py:6050
 msgid "Spectres normalisés"
 msgstr "Spettri normalizzati"
 
-#: LIBStick.py:5545
+#: LIBStick.py:6056
 msgid "Centré reduit"
 msgstr "Centrato ridotto"
 
-#: LIBStick.py:5549
-msgid "ACP"
-msgstr "PCA"
-
-#: LIBStick.py:5553
+#: LIBStick.py:6065
 msgid "+ ind. supp."
 msgstr "+ ind. supp."
 
-#: LIBStick.py:5557
+#: LIBStick.py:6069
 msgid "Ouvre"
 msgstr "Apri"
 
-#: LIBStick.py:5561
+#: LIBStick.py:6073
 msgid "Sauve"
 msgstr "Salva"
 
-#: LIBStick.py:5565
+#: LIBStick.py:6077
 msgid "Dimensions : "
 msgstr "Dimensioni : "
 
-#: LIBStick.py:5585
+#: LIBStick.py:6097
 msgid "Même echelle x et y"
 msgstr "Stessa scala x e y"
 
-#: LIBStick.py:5589
+#: LIBStick.py:6101
 msgid "Diag. éboulis"
 msgstr "Diag. di scree"
 
-#: LIBStick.py:5607
+#: LIBStick.py:6120
+msgid "Diag. plotly"
+msgstr "Diag. plotly"
+
+#: LIBStick.py:6123
 msgid ""
 "Enregistrer \n"
 "facteurs \n"