Exceptions for download file are added. Exceptions for FCB are added. Exception for computing averaged backscatter signal is added (enter an odd number)

View/sample_data_tab.py

@@ -357,9 +357,19 @@ class SampleDataTab(QWidget):
         filename_fine_sediment = QFileDialog.getOpenFileName(self, "Open file",
                 "/home/bmoudjed/Documents/3 SSC acoustic meas project/Graphical interface project/Data/Granulo_data",
                                                              "Fine sediment file (*.xls, *.ods)")
+
+        try:
             stg.fine_sediment_path = path.dirname(filename_fine_sediment[0])
             stg.fine_sediment_filename = path.basename(filename_fine_sediment[0])
             self.load_fine_sediment_data()
+        except IsADirectoryError:
+            msgBox = QMessageBox()
+            msgBox.setWindowTitle("Download Error")
+            msgBox.setIcon(QMessageBox.Warning)
+            msgBox.setText("Please select a file")
+            msgBox.setStandardButtons(QMessageBox.Ok)
+            msgBox.exec()
+        else:
             self.lineEdit_fine_sediment.setText(stg.fine_sediment_filename)
             self.lineEdit_fine_sediment.setToolTip(stg.fine_sediment_path)
 
@@ -368,10 +378,19 @@ class SampleDataTab(QWidget):
         filename_sand_sediment = QFileDialog.getOpenFileName(self, "Open file",
                   "/home/bmoudjed/Documents/3 SSC acoustic meas project/Graphical interface project/Data/Granulo_data",
                                                              "Sand sediment file (*.xls, *.ods)")
+
+        try:
             stg.sand_sediment_path = path.dirname(filename_sand_sediment[0])
             stg.sand_sediment_filename = path.basename(filename_sand_sediment[0])
             self.load_sand_sediment_data()
-
+        except IsADirectoryError:
+            msgBox = QMessageBox()
+            msgBox.setWindowTitle("Download Error")
+            msgBox.setIcon(QMessageBox.Warning)
+            msgBox.setText("Please select a file")
+            msgBox.setStandardButtons(QMessageBox.Ok)
+            msgBox.exec()
+        else:
             self.lineEdit_sand.setText(stg.sand_sediment_filename)
             self.lineEdit_sand.setToolTip(stg.sand_sediment_path)
 

View/signal_processing_tab.py

@@ -331,7 +331,7 @@ class SignalProcessingTab(QWidget):
         self.gridLayout_groupbox_fit_regression.addWidget(self.pushbutton_plot_FCB, 2, 0, 1, 1)
 
         self.pushbutton_plot_FCB.clicked.connect(self.compute_FCB)
-        self.pushbutton_plot_FCB.clicked.connect(self.plot_FCB)
+        # self.pushbutton_plot_FCB.clicked.connect(self.plot_FCB)
 
         self.pushbutton_fit_linear_regression = QPushButton()
         self.pushbutton_fit_linear_regression.setText("Fit && Compute \u03B1s")
@@ -671,6 +671,14 @@ class SignalProcessingTab(QWidget):
             msgBox.setText("Load data from acoustic data tab before averaging backscatter signal")
             msgBox.setStandardButtons(QMessageBox.Ok)
             msgBox.exec()
+        else:
+            if self.spinbox_average_horizontal.value() % 2 == 0:
+                msgBox = QMessageBox()
+                msgBox.setWindowTitle("Average Backscatter signal Error")
+                msgBox.setIcon(QMessageBox.Warning)
+                msgBox.setText("Please enter an odd number")
+                msgBox.setStandardButtons(QMessageBox.Ok)
+                msgBox.exec()
             else:
                 filter_convolve = np.ones(self.spinbox_average_horizontal.value())
 
@@ -790,6 +798,14 @@ class SignalProcessingTab(QWidget):
         return R_real
 
     def compute_FCB(self):
+        if stg.BS_data_section.size == 0:
+            msgBox = QMessageBox()
+            msgBox.setWindowTitle("FCB Error")
+            msgBox.setIcon(QMessageBox.Warning)
+            msgBox.setText("Load Backscatter data from acoustic data tab and compute water attenuation")
+            msgBox.setStandardButtons(QMessageBox.Ok)
+            msgBox.exec()
+        else:
             R_real = np.repeat(self.range_cells_function()[:, :, np.newaxis], stg.t.shape[0], axis=2)
             if (stg.BS_data_section_averaged.size == 0) and (stg.BS_data_section_SNR_filter.size == 0):
                 stg.FCB = (np.log(stg.BS_data_section) + np.log(R_real) +
@@ -800,12 +816,21 @@ class SignalProcessingTab(QWidget):
             else:
                 stg.FCB = (np.log(stg.BS_data_section_SNR_filter) + np.log(R_real) +
                            2 * stg.water_attenuation * R_real)
+            self.plot_FCB()
 
     def fit_FCB_profile_with_linear_regression_and_compute_alphaS(self):
 
+        if stg.FCB.size == 0:
+            msgBox = QMessageBox()
+            msgBox.setWindowTitle("Linear regression error")
+            msgBox.setIcon(QMessageBox.Warning)
+            msgBox.setText("Please compute FCB before")
+            msgBox.setStandardButtons(QMessageBox.Ok)
+            msgBox.exec()
+        else:
+            try:
                 y0 = stg.FCB[:, self.combobox_frequency_compute_alphaS.currentIndex(), self.slider.value()]
                 y = y0[np.where(np.isnan(y0) == False)]
-        print("y : ", y)
 
                 x0 = stg.r.reshape(-1)
                 x = x0[np.where(np.isnan(y0) == False)]
@@ -815,19 +840,24 @@ class SignalProcessingTab(QWidget):
                 value2 = np.where(np.round(np.abs(x - self.spinbox_alphaS_computation_to.value()), 2)
                                   == np.min(np.round(np.abs(x - self.spinbox_alphaS_computation_to.value()), 2)))
 
-        print(np.round(np.abs(x - self.spinbox_alphaS_computation_from.value()), 2))
+                # print(np.round(np.abs(x - self.spinbox_alphaS_computation_from.value()), 2))
-        print("value1 ", value1[0][0])
+                # # print("value1 ", value1[0][0])
-        print(np.round(np.abs(x - self.spinbox_alphaS_computation_to.value()), 2))
+                # print(np.round(np.abs(x - self.spinbox_alphaS_computation_to.value()), 2))
-        print("value2 ", value2[0][0])
+                # print("value2 ", value2[0][0])
 
-        print("y limited ", y[value1[0][0]:value2[0][0]])
+                # print("y limited ", y[value1[0][0]:value2[0][0]])
-
-        # y = stg.FCB[value1:value2, self.combobox_frequency_compute_alphaS.currentIndex(), self.slider.value()]
-        # print("y : ", y)
 
                 lin_reg_compute = stats.linregress(x[value1[0][0]:value2[0][0]], y[value1[0][0]:value2[0][0]])
+            except ValueError:
+                msgBox = QMessageBox()
+                msgBox.setWindowTitle("Linear regression error")
+                msgBox.setIcon(QMessageBox.Warning)
+                msgBox.setText("Please check boundaries to fit a linear line")
+                msgBox.setStandardButtons(QMessageBox.Ok)
+                msgBox.exec()
+            else:
                 stg.lin_reg = (lin_reg_compute.slope, lin_reg_compute.intercept)
-        print(f"y = {stg.lin_reg[0]}x + {stg.lin_reg[1]}")
+                # print(f"y = {stg.lin_reg[0]}x + {stg.lin_reg[1]}")
 
                 self.label_alphaS.clear()
                 self.label_alphaS.setText(f"\u03B1s = {-0.5*stg.lin_reg[0]:.4f} dB/m")