Signal processing: Some refactoring.

Model/create_table_for_save_as.py

@@ -100,10 +100,10 @@ class CreateTableForSaveAs:
           acoustic_data INTEGER,
           temperature FLOAT,
           distance_to_free_surface FLOAT,
-          tmin_index FLOAT, tmin_value FLOAT,
-          tmax_index FLOAT, tmax_value FLOAT,
-          rmin_index FLOAT, rmin_value FLOAT,
-          rmax_index FLOAT, rmax_value FLOAT,
+          tmin_index INTEGER, tmin_value FLOAT,
+          tmax_index INTEGER, tmax_value FLOAT,
+          rmin_index INTEGER, rmin_value FLOAT,
+          rmax_index INTEGER, rmax_value FLOAT,
           freq_bottom_detection_index FLOAT,
           freq_bottom_detection_value STRING,
           depth_bottom_detection_min FLOAT,
@@ -449,10 +449,10 @@ class CreateTableForSaveAs:
                 (
                     stg.acoustic_data[i], stg.temperature,
                     stg.distance_from_ABS_to_free_surface[i],
-                    stg.tmin[i][0], stg.tmin[i][1],
-                    stg.tmax[i][0], stg.tmax[i][1],
-                    stg.rmin[i][0], stg.rmin[i][1],
-                    stg.rmax[i][0], stg.rmax[i][1],
+                    int(stg.tmin[i][0]), stg.tmin[i][1],
+                    int(stg.tmax[i][0]), stg.tmax[i][1],
+                    int(stg.rmin[i][0]), stg.rmin[i][1],
+                    int(stg.rmax[i][0]), stg.rmax[i][1],
                     stg.freq_bottom_detection[i][0],
                     stg.freq_bottom_detection[i][1],
                     stg.depth_bottom_detection_min,

Model/read_table_for_open.py

@@ -524,7 +524,7 @@ class ReadTableForOpen:
 
             logger.debug(f"stg.temperature: {stg.temperature}")
             logger.debug(f"stg.tmin: {stg.tmin}")
-            logger.debug(f"stg.tmin: {stg.tmax}")
+            logger.debug(f"stg.tmax: {stg.tmax}")
             logger.debug(f"stg.SNR_filter_value: {stg.SNR_filter_value}")
 
     def read_table_sediment_file(self):

View/acoustic_data_tab.py

@@ -1396,7 +1396,6 @@ class AcousticDataTab(QWidget):
 
             self.open_acoustic_data()
 
-    @trace
     def open_acoustic_data(self):
         # --- Fill lineEdit with path and file names + load acoustic data ---
         # --- fill date, hour and measurements information + fill frequency combobox for bottom detection ---
@@ -2168,209 +2167,344 @@ class AcousticDataTab(QWidget):
         if self.fileListWidget.currentRow() == -1:
             return
 
-        file_id = self.fileListWidget.currentRow()
+        data_id = self.fileListWidget.currentRow()
 
         tmin_indice = np.where(
             np.abs(
-                stg.time[file_id][0, :] - np.nanmin(stg.time[file_id][0, :])
+                stg.time[data_id][0, :] - np.nanmin(stg.time[data_id][0, :])
             ) == np.nanmin(
                 np.abs(
-                    stg.time[file_id][0, :]
-                    - np.nanmin(stg.time[file_id][0, :])
+                    stg.time[data_id][0, :]
+                    - np.nanmin(stg.time[data_id][0, :])
                 )
             )
         )[0][0]
 
         tmin_value = np.round(
-            np.nanmin(stg.time[file_id][0, :]), 2
+            np.nanmin(stg.time[data_id][0, :]), 2
         )
 
-        stg.tmin[file_id] = (tmin_indice, tmin_value)
+        stg.tmin[data_id] = (tmin_indice, tmin_value)
 
         tmax_indice = np.where(
             np.abs(
-                stg.time[file_id][0, :] - np.nanmax(stg.time[file_id][0, :])
+                stg.time[data_id][0, :] - np.nanmax(stg.time[data_id][0, :])
             ) == np.nanmin(
                 np.abs(
-                    stg.time[file_id][0, :]
-                    - np.nanmax(stg.time[file_id][0, :])
+                    stg.time[data_id][0, :]
+                    - np.nanmax(stg.time[data_id][0, :])
                 )
             )
         )[0][0]
 
-        tmax_value = np.round(np.nanmax(stg.time[file_id][0, :]), 2)
-        stg.tmax[file_id] = (tmax_indice + 1, tmax_value)
+        tmax_value = np.round(np.nanmax(stg.time[data_id][0, :]), 2)
+        stg.tmax[data_id] = (tmax_indice + 1, tmax_value)
 
         self.set_range_for_time_boundaries_option()
 
     def set_range_for_time_boundaries_option(self):
+        data_id = self.fileListWidget.currentRow()
+
         self.label_time_min.clear()
-        self.label_time_min.setText("%.5s" % str(stg.time[self.fileListWidget.currentRow()][0, 0]))
+        self.label_time_min.setText(
+            f"{stg.time[data_id][0, 0]:.1f}"
+        )
 
         self.label_time_max.clear()
-        self.label_time_max.setText("%.5s" % str(stg.time[self.fileListWidget.currentRow()][0, -1]))
-
-        if stg.time_cross_section[self.fileListWidget.currentRow()].shape != (0,):
-
-            self.lineEdit_time_min_limits.setText("%.5s" % str(stg.time_cross_section[self.fileListWidget.currentRow()][0, 0]))
-            self.lineEdit_time_max_limits.setText("%.5s" % str(stg.time_cross_section[self.fileListWidget.currentRow()][0, -1]))
+        self.label_time_max.setText(
+            f"{stg.time[data_id][0, -1]:.1f}"
+        )
 
+        if stg.time_cross_section[data_id].shape != (0,):
+            self.lineEdit_time_min_limits.setText(
+                f"{stg.time_cross_section[data_id][0, 0]:.1f}"
+            )
+            self.lineEdit_time_max_limits.setText(
+                f"{stg.time_cross_section[data_id][0, -1]:.1f}"
+            )
         else:
-
-            self.lineEdit_time_min_limits.setText("%.5s" % str(stg.time[self.fileListWidget.currentRow()][0, 0]))
-            self.lineEdit_time_max_limits.setText("%.5s" % str(stg.time[self.fileListWidget.currentRow()][0, -1]))
+            self.lineEdit_time_min_limits.setText(
+                f"{stg.time[data_id][0, 0]:.1f}"
+            )
+            self.lineEdit_time_max_limits.setText(
+                f"{stg.time[data_id][0, -1]:.1f}"
+            )
 
     def compute_time_cross_section(self):
-
         ''' tmin and tmax are updated with double slider of time '''
+        data_id = max(0, self.fileListWidget.currentRow())
+        time_min = float(self.lineEdit_time_min_limits.text().replace(",", "."))
+        time_max = float(self.lineEdit_time_max_limits.text().replace(",", "."))
 
-        stg.tmin[self.fileListWidget.currentRow()] = ((
-            np.where(np.abs(np.round(stg.time[self.fileListWidget.currentRow()][0, :], 2) -
-                            float(self.lineEdit_time_min_limits.text().replace(",", "."))) ==
-                     np.nanmin(np.abs(np.round(stg.time[self.fileListWidget.currentRow()][0, :],
-                                               2) - float(self.lineEdit_time_min_limits.text().replace(",", ".")))))[0][0],
-            float(self.lineEdit_time_min_limits.text().replace(",", "."))
+        stg.tmin[data_id] = ((
+            np.where(
+                np.abs(
+                    np.round(
+                        stg.time[data_id][0, :], 2
+                    ) - time_min
+                ) == np.nanmin(
+                    np.abs(
+                        np.round(
+                            stg.time[data_id][0, :], 2
+                        ) - time_min
+                    )
+                )
+            )[0][0],
+            time_min
         ))
 
-        stg.tmax[self.fileListWidget.currentRow()] = ((
-                    np.where(np.abs(np.round(stg.time[self.fileListWidget.currentRow()][0, :], 2) -
-                                    float(self.lineEdit_time_max_limits.text().replace(",", "."))) ==
-                             np.nanmin(np.abs(np.round(stg.time[self.fileListWidget.currentRow()][0, :],
-                                                       2) - float(self.lineEdit_time_max_limits.text().replace(",", ".")))))[0][0]+1,
-                    float(self.lineEdit_time_max_limits.text().replace(",", "."))
+        stg.tmax[data_id] = ((
+            np.where(
+                np.abs(
+                    np.round(
+                        stg.time[data_id][0, :], 2)
+                    - time_max
+                ) == np.nanmin(
+                    np.abs(
+                        np.round(
+                        stg.time[data_id][0, :],2)
+                        - time_max
+                    )
+                )
+            )[0][0] + 1,
+        time_max
         ))
 
-        stg.time_cross_section[self.fileListWidget.currentRow()] = (
-            stg.time[self.fileListWidget.currentRow()][:, stg.tmin[self.fileListWidget.currentRow()][0]:
-                                                          stg.tmax[self.fileListWidget.currentRow()][0]]
+        stg.time_cross_section[data_id] = (
+            stg.time[data_id][
+                :, stg.tmin[data_id][0]: stg.tmax[data_id][0]
+            ]
         )
 
     def compute_rmin_rmax(self):
         ''' rmin and rmax are filled with min and max of depth when data are uploaded and
             double slider of depth are updated with these values '''
 
-        if self.fileListWidget.currentRow() != -1:
+        if self.fileListWidget.currentRow() == -1:
+            return
+
+        data_id = self.fileListWidget.currentRow()
 
         # --- rmim / rmax ---
-            rmin_indice = np.where(np.abs(stg.depth[self.fileListWidget.currentRow()][0, :] - np.nanmin(
-                stg.depth[self.fileListWidget.currentRow()][0, :])) ==
-                                   np.nanmin(np.abs(stg.depth[self.fileListWidget.currentRow()][0, :] - np.nanmin(
-                                       stg.depth[self.fileListWidget.currentRow()][0, :]))))[0][0]
-            rmin_value = np.round(np.nanmin(stg.depth[self.fileListWidget.currentRow()][0, :]), 2)
-            stg.rmin[self.fileListWidget.currentRow()] = (rmin_indice, rmin_value)
+        rmin_indice = np.where(
+            np.abs(
+                stg.depth[data_id][0, :] - np.nanmin(stg.depth[data_id][0, :])
+            ) == np.nanmin(
+                np.abs(
+                    stg.depth[data_id][0, :]
+                    - np.nanmin(stg.depth[data_id][0, :])
+                )
+            )
+        )[0][0]
 
-            rmax_indice = np.where(np.abs(stg.depth[self.fileListWidget.currentRow()][0, :] - np.nanmax(
-                stg.depth[self.fileListWidget.currentRow()][0, :])) ==
-                                   np.nanmin(np.abs(stg.depth[self.fileListWidget.currentRow()][0, :] - np.nanmax(
-                                       stg.depth[self.fileListWidget.currentRow()][0, :]))))[0][0]
-            rmax_value = np.round(np.nanmax(stg.depth[self.fileListWidget.currentRow()][0, :]), 2)
-            stg.rmax[self.fileListWidget.currentRow()] = (rmax_indice + 1, rmax_value)
+        rmin_value = np.round(np.nanmin(stg.depth[data_id][0, :]), 2)
+        stg.rmin[data_id] = (rmin_indice, rmin_value)
+
+        rmax_indice = np.where(
+            np.abs(
+                stg.depth[data_id][0, :] - np.nanmax(stg.depth[data_id][0, :])
+            ) == np.nanmin(
+                np.abs(
+                    stg.depth[data_id][0, :]
+                    - np.nanmax(stg.depth[data_id][0, :])
+                )
+            )
+        )[0][0]
+        rmax_value = np.round(np.nanmax(stg.depth[data_id][0, :]), 2)
+        stg.rmax[data_id] = (rmax_indice + 1, rmax_value)
 
         self.set_range_for_depth_boundaries_option()
 
     def set_range_for_depth_boundaries_option(self):
+        data_id = self.fileListWidget.currentRow()
 
         self.label_depth_min.clear()
-        self.label_depth_min.setText("-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, -1]))
+        self.label_depth_min.setText("-" + str("%.5s" % stg.depth[data_id][0, -1]))
 
         self.label_depth_max.clear()
-        self.label_depth_max.setText("-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, 0]))
-
-        if stg.depth_cross_section[self.fileListWidget.currentRow()].shape != (0,):
-            self.lineEdit_depth_min_limits.setText("-" + str("%.5s" % stg.depth_cross_section[self.fileListWidget.currentRow()][0, -1]))
-            self.lineEdit_depth_max_limits.setText("-" + str("%.5s" % stg.depth_cross_section[self.fileListWidget.currentRow()][0, 0]))
+        self.label_depth_max.setText("-" + str("%.5s" % stg.depth[data_id][0, 0]))
 
+        if stg.depth_cross_section[data_id].shape != (0,):
+            self.lineEdit_depth_min_limits.setText(
+                "-" + str("%.5s" % stg.depth_cross_section[data_id][0, -1])
+            )
+            self.lineEdit_depth_max_limits.setText(
+                "-" + str("%.5s" % stg.depth_cross_section[data_id][0, 0])
+            )
         else:
-
-            self.lineEdit_depth_min_limits.setText("-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, -1]))
-            self.lineEdit_depth_max_limits.setText("-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, 0]))
+            self.lineEdit_depth_min_limits.setText(
+                "-" + str("%.5s" % stg.depth[data_id][0, -1])
+            )
+            self.lineEdit_depth_max_limits.setText(
+                "-" + str("%.5s" % stg.depth[data_id][0, 0])
+            )
 
     def compute_depth_cross_section(self):
-
         ''' rmin and rmax are updated with double slider of depth '''
+        data_id = self.fileListWidget.currentRow()
 
-        stg.rmin[self.fileListWidget.currentRow()] = ((
-            np.where(np.abs(np.round(stg.depth[self.fileListWidget.currentRow()][0, :], 2) -
-                            float("".join(findall("[.0-9]", self.lineEdit_depth_max_limits.text())))) ==
-                     np.nanmin(np.abs(np.round(stg.depth[self.fileListWidget.currentRow()][0, :],
-                                               2) - (float("".join(findall("[.0-9]", self.lineEdit_depth_max_limits.text()))))
-                                      )))[0][0]+1,
-            float("".join(findall("[.0-9]", self.lineEdit_depth_max_limits.text())))
+        stg.rmin[data_id] = ((
+            np.where(
+                np.abs(
+                    np.round(
+                        stg.depth[data_id][0, :], 2
+                    ) - float(
+                        "".join(
+                            findall(
+                                "[.0-9]",
+                                self.lineEdit_depth_max_limits.text()
+                            )
+                        )
+                    )
+                ) == np.nanmin(
+                    np.abs(
+                        np.round(stg.depth[data_id][0, :], 2)
+                        - float(
+                            "".join(
+                                findall(
+                                    "[.0-9]",
+                                    self.lineEdit_depth_max_limits.text()
+                                )
+                            )
+                        )
+                    )
+                )
+            )[0][0]+1,
+            float(
+                "".join(
+                    findall(
+                        "[.0-9]",
+                        self.lineEdit_depth_max_limits.text()
+                    )
+                )
+            )
         ))
 
-        stg.rmax[self.fileListWidget.currentRow()] = ((
-            np.where(np.abs(np.round(stg.depth[self.fileListWidget.currentRow()][0, :], 2) -
-                            float("".join(findall("[.0-9]", self.lineEdit_depth_min_limits.text())))) ==
-                     np.nanmin(np.abs(np.round(stg.depth[self.fileListWidget.currentRow()][0, :],
-                                               2) - (float("".join(findall("[.0-9]", self.lineEdit_depth_min_limits.text()))))
-                                      )))[0][0],
-            float("".join(findall("[.0-9]", self.lineEdit_depth_min_limits.text())))
+        stg.rmax[data_id] = ((
+            np.where(
+                np.abs(
+                    np.round(
+                        stg.depth[data_id][0, :], 2
+                    ) - float(
+                        "".join(
+                            findall(
+                                "[.0-9]",
+                                self.lineEdit_depth_min_limits.text()
+                            )
+                        )
+                    )
+                ) == np.nanmin(
+                    np.abs(
+                        np.round(stg.depth[data_id][0, :], 2)
+                        - float(
+                            "".join(
+                                findall(
+                                    "[.0-9]",
+                                    self.lineEdit_depth_min_limits.text()
+                                )
+                            )
+                        )
+                    )
+                )
+            )[0][0],
+            float(
+                "".join(
+                    findall(
+                        "[.0-9]",
+                        self.lineEdit_depth_min_limits.text()
+                    )
+                )
+            )
         ))
 
-
-        stg.depth_cross_section[self.fileListWidget.currentRow()] = (
-            stg.depth[self.fileListWidget.currentRow()][:,
-            stg.rmin[self.fileListWidget.currentRow()][0]:stg.rmax[self.fileListWidget.currentRow()][0]]
+        stg.depth_cross_section[data_id] = (
+            stg.depth[data_id][:,
+            stg.rmin[data_id][0]:stg.rmax[data_id][0]]
         )
 
     def compute_BS_cross_section(self):
-        if self.fileListWidget.currentRow() != -1:
+        if self.fileListWidget.currentRow() == -1:
+            return
+
+        data_id = self.fileListWidget.currentRow()
 
         self.compute_depth_cross_section()
         self.compute_time_cross_section()
 
-            stg.BS_cross_section[self.fileListWidget.currentRow()] = (
-                stg.BS_raw_data[self.fileListWidget.currentRow()]
-                [:, stg.rmin[self.fileListWidget.currentRow()][0]:stg.rmax[self.fileListWidget.currentRow()][0],
-                stg.tmin[self.fileListWidget.currentRow()][0]:stg.tmax[self.fileListWidget.currentRow()][0]])
+        stg.BS_cross_section[data_id] = (
+            stg.BS_raw_data[data_id][
+                :,
+                stg.rmin[data_id][0]:stg.rmax[data_id][0],
+                stg.tmin[data_id][0]:stg.tmax[data_id][0]
+            ]
+        )
 
     def update_frequency_combobox(self):
-        if self.fileListWidget.currentRow() != -1:
+        data_id = self.fileListWidget.currentRow()
+
+        if data_id == -1:
+            return
+
         self.combobox_frequency_bathymetry.clear()
-            self.combobox_frequency_bathymetry.addItems([f for f in stg.freq_text[self.fileListWidget.currentRow()]])
+        self.combobox_frequency_bathymetry.addItems(
+            [f for f in stg.freq_text[data_id]]
+        )
         self.combobox_frequency_profile.clear()
-            self.combobox_frequency_profile.addItems([f for f in stg.freq_text[self.fileListWidget.currentRow()]])
+        self.combobox_frequency_profile.addItems(
+            [f for f in stg.freq_text[data_id]]
+        )
 
     def set_range_for_doubleRangeSlider_intg_area(self):
-        if self.fileListWidget.currentRow() != -1:
+        if self.fileListWidget.currentRow() == -1:
+            return
 
-            if stg.depth_cross_section[self.fileListWidget.currentRow()].shape == (0,):
+        data_id = self.fileListWidget.currentRow()
+
+        if stg.depth_cross_section[data_id].shape == (0,):
             self.doubleRangeSlider_intg_area.setRange(
-                    min=-stg.depth[self.fileListWidget.currentRow()][0, -1],
-                    max=-stg.depth[self.fileListWidget.currentRow()][0, 0])
+                min=-stg.depth[data_id][0, -1],
+                max=-stg.depth[data_id][0, 0]
+            )
 
             self.doubleRangeSlider_intg_area.setValue(
-                    value=(-stg.depth[self.fileListWidget.currentRow()][0, -1],
-                           -stg.depth[self.fileListWidget.currentRow()][0, 0]))
-
+                value=(
+                    -stg.depth[data_id][0, -1],
+                    -stg.depth[data_id][0, 0]
+                )
+            )
         else:
-
             self.doubleRangeSlider_intg_area.setRange(
-                    min=-stg.depth_cross_section[self.fileListWidget.currentRow()][0, -1],
-                    max=-stg.depth_cross_section[self.fileListWidget.currentRow()][0, 0])
+                min=-stg.depth_cross_section[data_id][0, -1],
+                max=-stg.depth_cross_section[data_id][0, 0]
+            )
 
             self.doubleRangeSlider_intg_area.setValue(
-                    value=(-stg.depth_cross_section[self.fileListWidget.currentRow()][0, -1],
-                           -stg.depth_cross_section[self.fileListWidget.currentRow()][0, 0]))
+                value=(
+                    -stg.depth_cross_section[data_id][0, -1],
+                    -stg.depth_cross_section[data_id][0, 0]
+                )
+            )
 
     def set_range_for_spinboxes_bathymetry(self):
-        if self.fileListWidget.currentRow() != -1:
+        if self.fileListWidget.currentRow() == -1:
+            return
 
-            if stg.depth_cross_section[self.fileListWidget.currentRow()].shape != (0,):
+        data_id = self.fileListWidget.currentRow()
 
-                # self.spinbox_depth_min_bathy.setValue(stg.depth_cross_section[self.fileListWidget.currentRow()][0, 0])
+        if stg.depth_cross_section[data_id].shape != (0,):
             self.lineEdit_depth_min_bathy.setText(
-                    "-" + str("%.5s" % stg.depth_cross_section[self.fileListWidget.currentRow()][0, -1]))
-                # self.spinbox_depth_max_bathy.setValue(stg.depth_cross_section[self.fileListWidget.currentRow()][0, -1])
+                "-" + str("%.5s" % stg.depth_cross_section[data_id][0, -1])
+            )
             self.lineEdit_depth_max_bathy.setText(
-                    "-" + str("%.5s" % stg.depth_cross_section[self.fileListWidget.currentRow()][0, 0]))
-
+                "-" + str("%.5s" % stg.depth_cross_section[data_id][0, 0])
+            )
         else:
-
             self.lineEdit_depth_min_bathy.setText(
-                    "-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, -1]))
+                "-" + str("%.5s" % stg.depth[data_id][0, -1])
+            )
             self.lineEdit_depth_max_bathy.setText(
-                    "-" + str("%.5s" % stg.depth[self.fileListWidget.currentRow()][0, 0]))
+                "-" + str("%.5s" % stg.depth[data_id][0, 0])
+            )
 
     def plot_backscattered_acoustic_signal_recording(self):
         if self.fileListWidget.count() <= 0:
@@ -2466,7 +2600,7 @@ class AcousticDataTab(QWidget):
             msgBox.exec()
             return
 
-        data_id = self.fileListWidget.currentRow()
+        data_id = max(0, self.fileListWidget.currentRow())
 
         if data_id == -1:
             return
@@ -2756,8 +2890,6 @@ class AcousticDataTab(QWidget):
                                          float(self.lineEdit_slider.text().replace(",", ".")))))[0][0]))
 
     def update_lineEdit_by_moving_slider(self):
-        print("min ", np.nanmin(stg.time[self.fileListWidget.currentRow()][self.combobox_frequency_profile.currentIndex()]))
-        print("max ", np.nanmax(stg.time[self.fileListWidget.currentRow()][self.combobox_frequency_profile.currentIndex()]))
         if stg.time_cross_section[self.fileListWidget.currentRow()].shape != (0,):
             self.lineEdit_slider.setText(
                 str(stg.time_cross_section[self.fileListWidget.currentRow()][self.combobox_frequency_profile.currentIndex(), self.slider.value()-1]))
@@ -2815,7 +2947,7 @@ class AcousticDataTab(QWidget):
         self.detect_bottom_compute()
 
     def detect_bottom_compute(self):
-        data_id = self.fileListWidget.currentRow()
+        data_id = max(0, self.fileListWidget.currentRow())
         freq_id = self.combobox_frequency_bathymetry.currentIndex()
         freq_text = self.combobox_frequency_bathymetry.currentText()
 
@@ -2950,7 +3082,7 @@ class AcousticDataTab(QWidget):
     def detect_bottom_compute_plot_BS_with_bathymetry(
             self, BS_data, time_data, depth_data
     ):
-        data_id = self.fileListWidget.currentRow()
+        data_id = max(0, self.fileListWidget.currentRow())
         freq_id = self.combobox_frequency_bathymetry.currentIndex()
 
         for f, _ in enumerate(stg.freq[data_id]):

View/signal_processing_tab.py

@@ -431,11 +431,13 @@ class SignalProcessingTab(QWidget):
         self.widget_scrollArea_list_preprocessed_data.setLayout(self.verticalLayout_scrollArea_list_pre_processed_data)
 
         # Add content to the widget (labels in this example)
+        self.lineEdit_list_pre_processed_data = []
         for i in range(20):
-            exec("self.lineEdit_list_pre_processed_data_" + str(i) + "= QLineEdit()")
-            eval("self.verticalLayout_scrollArea_list_pre_processed_data.addWidget("
-                 "self.lineEdit_list_pre_processed_data_" + str(i) + ")")
-            eval("self.lineEdit_list_pre_processed_data_" + str(i) + ".setDisabled(True)")
+            self.lineEdit_list_pre_processed_data.append(QLineEdit())
+            self.verticalLayout_scrollArea_list_pre_processed_data.addWidget(
+                self.lineEdit_list_pre_processed_data[i]
+            )
+            self.lineEdit_list_pre_processed_data[i].setDisabled(True)
 
 
         # Set the widget as the scroll area's widget
@@ -531,7 +533,7 @@ class SignalProcessingTab(QWidget):
         self.blockSignals(False)
 
     def full_update_fill_text(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         self.lineEdit_profile_tail_value.setText(
             str(stg.noise_value[data_id])
@@ -559,7 +561,7 @@ class SignalProcessingTab(QWidget):
             msgBox.setStandardButtons(QMessageBox.Ok)
             msgBox.exec()
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
             self.combobox_acoustic_data_choice.blockSignals(True)
             self.combobox_freq_noise_from_profile_tail.blockSignals(True)
@@ -592,7 +594,7 @@ class SignalProcessingTab(QWidget):
             self.combobox_acoustic_data_choice.blockSignals(False)
 
     def _is_correct_shape(self, data):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         if stg.time_cross_section[data_id].shape != (0,):
             x_time = stg.time_cross_section[data_id]
@@ -619,7 +621,7 @@ class SignalProcessingTab(QWidget):
         return (y == depth_shape and z == time_shape)
 
     def recompute(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         self.compute_average_profile_tail()
 
@@ -639,19 +641,21 @@ class SignalProcessingTab(QWidget):
         self.plot_pre_processed_profile()
 
     def activate_list_of_pre_processed_data(self):
-        for i in range(self.combobox_acoustic_data_choice.count()):
-            eval("self.lineEdit_list_pre_processed_data_" + str(i) + ".setDisabled(True)")
-        eval("self.lineEdit_list_pre_processed_data_" + str(
-            self.combobox_acoustic_data_choice.currentIndex()) + ".setEnabled(True)")
-        eval("self.lineEdit_list_pre_processed_data_" + str(
-            self.combobox_acoustic_data_choice.currentIndex()) + ".returnPressed.connect(self.rename_preprocessed_data)")
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
-        eval("self.lineEdit_list_pre_processed_data_" + str(self.combobox_acoustic_data_choice.currentIndex()) +
-             ".setText(stg.filename_BS_raw_data[self.combobox_acoustic_data_choice.currentIndex()])")
+        for i in range(self.combobox_acoustic_data_choice.count()):
+            self.lineEdit_list_pre_processed_data[i].setDisabled(True)
+
+        self.lineEdit_list_pre_processed_data[data_id].setEnabled(True)
+        self.lineEdit_list_pre_processed_data[data_id]\
+            .returnPressed.connect(self.rename_preprocessed_data)
+
+        self.lineEdit_list_pre_processed_data[data_id]\
+            .setText(stg.filename_BS_raw_data[data_id])
 
     def rename_preprocessed_data(self):
-        exec("stg.data_preprocessed[self.combobox_acoustic_data_choice.currentIndex()] = "
-             "self.lineEdit_list_pre_processed_data_" + str(self.combobox_acoustic_data_choice.currentIndex()) + ".text()")
+        stg.data_preprocessed[data_id] = \
+            self.lineEdit_list_pre_processed_data[data_id].text()
 
         # ------------------------------------------------------
 
@@ -703,7 +707,7 @@ class SignalProcessingTab(QWidget):
 
     # ------------------------------------------------------
     def compute_average_profile_tail(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
         freq_noise_id = self.combobox_freq_noise_from_profile_tail.currentIndex()
 
         if ((float(self.lineEdit_val1.text()) == 0)
@@ -790,7 +794,7 @@ class SignalProcessingTab(QWidget):
             msgBox.exec()
 
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
             freq_noise_id = self.combobox_freq_noise_from_profile_tail.currentIndex()
 
             if stg.BS_mean[data_id].shape == (0,):
@@ -851,35 +855,35 @@ class SignalProcessingTab(QWidget):
     # ------------------------------------------------------
 
     def combobox_acoustic_data_choice_change_index(self):
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
+
         self.combobox_frequency_profile.blockSignals(True)
 
         self.compute_average_profile_tail()
 
+        logger.debug(f"stg.SNR_filter_value: {stg.SNR_filter_value}")
+
         self.lineEdit_SNR_criterion.setText(
-            str(stg.SNR_filter_value[
-                self.combobox_acoustic_data_choice.currentIndex()
-            ])
+            str(stg.SNR_filter_value[data_id])
         )
 
         self.lineEdit_horizontal_average.setText(
-            str(stg.Nb_cells_to_average_BS_signal[
-                self.combobox_acoustic_data_choice.currentIndex()
-            ])
+            str(stg.Nb_cells_to_average_BS_signal[data_id])
         )
 
         self.combobox_frequency_profile.clear()
         self.combobox_frequency_profile.addItems(
-            [f for f in stg.freq_text[self.combobox_acoustic_data_choice.currentIndex()]])
+            [f for f in stg.freq_text[data_id]]
+        )
 
+        self.recompute()
         self.replot()
 
         if self.combobox_acoustic_data_choice.count() > 0:
-
             for i in range(self.combobox_acoustic_data_choice.count()):
-                eval("self.lineEdit_list_pre_processed_data_" + str(i) + ".setDisabled(True)")
-            #
-            eval("self.lineEdit_list_pre_processed_data_" + str(
-                self.combobox_acoustic_data_choice.currentIndex()) + ".setEnabled(True)")
+                self.lineEdit_list_pre_processed_data[i].setDisabled(True)
+
+            self.lineEdit_list_pre_processed_data[data_id].setEnabled(True)
 
         self.combobox_frequency_profile.blockSignals(False)
 
@@ -887,7 +891,7 @@ class SignalProcessingTab(QWidget):
         if len(stg.filename_BS_raw_data) == 0:
             pass
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
             stg.BS_noise_raw_data[data_id] = np.array([])
             stg.BS_noise_averaged_data[data_id] = np.array([])
@@ -1026,7 +1030,7 @@ class SignalProcessingTab(QWidget):
 
 
     def load_noise_data_and_compute_SNR(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         stg.noise_method[data_id] = 0
 
@@ -1080,7 +1084,7 @@ class SignalProcessingTab(QWidget):
         pnw.exec()
 
     def compute_noise_from_profile_tail_value(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         stg.noise_method[data_id] = 1
         stg.noise_value[data_id] = (
@@ -1133,7 +1137,6 @@ class SignalProcessingTab(QWidget):
                           stg.BS_noise_raw_data[data_id] ** 2)) #
 
         else:
-
             stg.BS_noise_raw_data[data_id] = (
                 np.full(stg.BS_raw_data[data_id].shape,
                         float(self.lineEdit_profile_tail_value.text().replace(",", "."))))
@@ -1212,7 +1215,7 @@ class SignalProcessingTab(QWidget):
 
         # elif self.canvas_SNR == None:
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
             if ((data_id != -1)
                     and (stg.BS_noise_raw_data[data_id].shape != (0,))):
@@ -1341,7 +1344,7 @@ class SignalProcessingTab(QWidget):
             msgBox.exec()
 
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
             stg.SNR_filter_value[data_id] = (
                 float(self.lineEdit_SNR_criterion.text().replace(",", ".")))
@@ -1388,7 +1391,7 @@ class SignalProcessingTab(QWidget):
             self.compute_averaged_BS_data()
 
     def plot_pre_processed_BS_signal(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         self.lineEdit_horizontal_average.setText(
             str(stg.Nb_cells_to_average_BS_signal[data_id])
@@ -1517,16 +1520,18 @@ class SignalProcessingTab(QWidget):
                 .addWidget(self.scroll_BS)
 
     def update_label_cells_sec(self):
-        print("Je change la valeur du moyennage")
-        print(stg.nb_profiles_per_sec)
-        print(stg.nb_profiles_per_sec[self.combobox_acoustic_data_choice.currentIndex()][0])
-        print(self.combobox_acoustic_data_choice.currentIndex())
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
+
         self.label_cells_horizontal.clear()
         self.label_cells_horizontal.setText(
-            "cells = +/- " +
-            str((float(self.lineEdit_horizontal_average.text().replace(",", ".")) // 2) *
-                (1 / stg.nb_profiles_per_sec[self.combobox_acoustic_data_choice.currentIndex()][0])) +
-            " sec")
+            "cells = +/- "
+            + str(
+                (float(
+                    self.lineEdit_horizontal_average.text().replace(",", ".")
+                ) // 2)
+                * (1 / stg.nb_profiles_per_sec[data_id][0])
+            ) + " sec"
+        )
 
     def compute_averaged_BS_data(self):
         if len(stg.filename_BS_raw_data) == 0:
@@ -1544,7 +1549,7 @@ class SignalProcessingTab(QWidget):
             msgBox.setStandardButtons(QMessageBox.Ok)
             msgBox.exec()
         else:
-            data_id = self.combobox_acoustic_data_choice.currentIndex()
+            data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
             n_average = 2 * int(float(self.lineEdit_horizontal_average.text().replace(",", "."))) + 1
             kernel_avg = np.ones(n_average)
             logger.debug(f"kernel_avg: {kernel_avg}")
@@ -1628,7 +1633,7 @@ class SignalProcessingTab(QWidget):
             )
 
     def plot_pre_processed_profile(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         if ((data_id != -1) and
                 (stg.BS_noise_raw_data[data_id].shape != (0,))):
@@ -1860,7 +1865,7 @@ class SignalProcessingTab(QWidget):
             self.slider.setMaximum(10)
 
     def update_plot_pre_processed_profile(self):
-        data_id = self.combobox_acoustic_data_choice.currentIndex()
+        data_id = max(0, self.combobox_acoustic_data_choice.currentIndex())
 
         if ((data_id != -1) and
                 (stg.BS_noise_raw_data[data_id].shape != (0,))):