ref: QuickView code needed tidying up

shapeout2/gui/quick_view/qv_main.py

@@ -328,6 +328,7 @@ def rtdc_ds(self, rtdc_ds):
         self.comboBox_y.set_dataset(rtdc_ds)
         self.comboBox_z_hue.set_dataset(rtdc_ds)
 
+    ## Showing image data
     def get_event_image(self, ds, event, feat="image"):
         """Handle the image processing and contour processing for the event"""
         state = self.read_pipeline_state()
@@ -390,6 +391,12 @@ def _prepare_event_image_qpi_amp(self, ds, event, state):
 
         return cell_img
 
+    @staticmethod
+    def _convert_to_rgb(cell_img):
+        cell_img = cell_img.reshape(
+            cell_img.shape[0], cell_img.shape[1], 1)
+        return np.repeat(cell_img, 3, axis=2)
+
     def _prepare_event_image_qpi_pha(self, ds, event, state):
         cell_img = ds["qpi_pha"][event]
         # colormap levels
@@ -480,12 +487,6 @@ def show_image(self, feat, view, cell_img):
             self.img_info[feat][view].setColorMap(self.img_info[feat]["cmap"])
         self.img_info[feat][view].show()
 
-    @staticmethod
-    def _convert_to_rgb(cell_img):
-        cell_img = cell_img.reshape(
-            cell_img.shape[0], cell_img.shape[1], 1)
-        return np.repeat(cell_img, 3, axis=2)
-
     @staticmethod
     def image_zoom(cell_img, mask):
         xv, yv = np.where(mask)
@@ -500,6 +501,7 @@ def image_zoom(cell_img, mask):
         idmaxy = idmaxy if idmaxy < shy else shy
         return cell_img[idminx:idmaxx, idminy:idmaxy]
 
+    ## Statistics
     def get_statistics(self):
         if self.rtdc_ds is not None:
             features = [self.comboBox_x.currentData(),
@@ -521,6 +523,7 @@ def get_statistics(self):
         else:
             return None, None
 
+    ## Scatter Plot
     @QtCore.pyqtSlot(object, object)
     def on_event_scatter_clicked(self, plot, point):
         """User clicked on scatter plot
@@ -597,6 +600,7 @@ def on_event_scatter_update(self):
         event = self.spinBox_event.value()
         self.show_event(event - 1)
 
+    ## Polygon Selection
     @QtCore.pyqtSlot()
     def on_poly_create(self):
         """User wants to create a polygon filter"""
@@ -694,6 +698,7 @@ def on_poly_modify(self):
         # add ROI
         self.widget_scatter.activate_poly_mode(pf.points)
 
+    ## Buttons
     @QtCore.pyqtSlot()
     def on_stats2clipboard(self):
         """Copy the statistics as tsv data to the clipboard"""