stackview inherits from ImageDataAggregated

src/silx/gui/data/DataViews.py

@@ -1335,8 +1335,27 @@ def createWidget(self, parent):
         widget.setOptionVisible(False)
         maskToolWidget = widget.getPlotWidget().getMaskToolsDockWidget().widget()
         maskToolWidget.setItemMaskUpdated(True)
+        self.__aggregationModeAction = AggregationModeAction(parent=widget)
+        widget.getPlotWidget().toolBar().addAction(self.__aggregationModeAction)
+        self.__aggregationModeAction.sigAggregationModeChanged.connect(self._aggregationModeChanged)
         return widget
 
+    def getAggregationModeAction(self) -> AggregationModeAction:
+        """Action toggling the aggregation mode action
+        """
+        return self.__aggregationModeAction
+
+    def _aggregationModeChanged(self):
+        plot = self.getWidget().getPlotWidget()
+        item = plot._getItem("image")
+
+        if item is None:
+            return
+
+        if isinstance(item, ImageDataAggregated):
+            aggregationMode = self.getAggregationModeAction().getAggregationMode()
+            item.setAggregationMode(aggregationMode)
+
     def clear(self):
         self.getWidget().clear()
         self.__resetZoomNextTime = True

src/silx/gui/plot/items/image.py

@@ -595,8 +595,9 @@ class MaskImageData(ImageData):
 
     pass
 
+from .image_aggregated import ImageDataAggregated
 
-class ImageStack(ImageData):
+class ImageStack(ImageDataAggregated):
     """Item to store a stack of images and to show it in the plot as one
     of the images of the stack.
 
@@ -605,7 +606,7 @@ class ImageStack(ImageData):
     """
 
     def __init__(self):
-        ImageData.__init__(self)
+        ImageDataAggregated.__init__(self)
         self.__stack = None
         """A 3D numpy array (or a mimic one, see ListOfImages)"""
         self.__stackPosition = None