Sediement calibration: Clear plots at redraw.

View/sediment_calibration_tab.py

@@ -63,6 +63,7 @@ class SedimentCalibrationTab(QWidget):
         self.inv_hc = AcousticInversionMethodHighConcentration()
 
         self._setup_icons()
+        self._setup_attrs()
         self._setup_widgets()
 
     def _path_icon(self, icon):
@@ -84,6 +85,10 @@ class SedimentCalibrationTab(QWidget):
         self.icon_approved = QIcon(self._path_icon("approved.png"))
         self.icon_no_approved = QIcon(self._path_icon("no_approved.png"))
 
+    def _setup_attrs(self):
+        self.fig_BS = None
+        self.fig_Mfine = None
+        self.fig_FCB = None
 
     def _setup_widgets(self):
         self.verticalLayoutMain = QVBoxLayout(self._widget_tab)
@@ -1029,6 +1034,10 @@ class SedimentCalibrationTab(QWidget):
         # --- Plot acoustic data recording ---
         self.verticalLayout_groupbox_data_plot.removeWidget(self.toolbar_BS)
         self.verticalLayout_groupbox_data_plot.removeWidget(self.canvas_BS)
+
+        if self.fig_BS is not None:
+            self.fig_BS.clear()
+
         self.fig_BS, self.axis_BS = plt.subplots(
             nrows=1, ncols=1, sharex=True, sharey=False,
             layout='constrained'
@@ -1392,6 +1401,10 @@ class SedimentCalibrationTab(QWidget):
         # --- Plot profile of the concentration of the fine sediments ---
         self.verticalLayout_groupbox_interpolate_plot.removeWidget(self.canvas_Mfine)
         self.verticalLayout_groupbox_interpolate_plot.removeWidget(self.toolbar_Mfine)
+
+        if self.fig_Mfine is not None:
+            self.fig_Mfine.clear()
+
         self.fig_Mfine, self.ax_Mfine = plt.subplots(1, 1, layout="constrained")
         self.canvas_Mfine = FigureCanvas(self.fig_Mfine)
         self.toolbar_Mfine = NavigationToolBar(self.canvas_Mfine, self)
@@ -2325,6 +2338,9 @@ class SedimentCalibrationTab(QWidget):
         self.verticalLayout_groupbox_FCB_plot.removeWidget(self.canvas_FCB)
         self.verticalLayout_groupbox_FCB_plot.removeWidget(self.toolbar_FCB)
 
+        if self.fig_FCB is not None:
+            self.fig_FCB.clear()
+
         self.fig_FCB, self.axis_FCB = plt.subplots(
             nrows=1, ncols=1, layout="constrained"
         )