Fix plot viewer so that it doesn't reset zoom on replot

ejeschke · Oct 5, 2024 · 508ea40 · 508ea40
1 parent 6b07169
commit 508ea40
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/ginga/gw/PlotView.py b/ginga/gw/PlotView.py
@@ -182,14 +182,15 @@ def set_dataobj(self, dataobj):
         if old_dataobj is not None:
             self.make_callback('image-unset', old_dataobj)
         self._dataobj = dataobj
+
         self.clear()
 
         if isinstance(dataobj, AstroImage):
-            dataobj.add_callback('modified', self.show_image)
+            dataobj.add_callback('modified', lambda dataobj: self.replot())
             self.show_image(dataobj)
 
         elif isinstance(dataobj, Plotable):
-            dataobj.add_callback('modified', self.show_plotable)
+            dataobj.add_callback('modified', lambda dataobj: self.replot())
             self.show_plotable(dataobj)
 
         self.zoom_fit()

diff --git a/ginga/plot/Plotable.py b/ginga/plot/Plotable.py
@@ -80,6 +80,7 @@ def set_grid(self, tf):
         self.grid = tf
 
     def clear(self):
+        self.canvas.delete_all_objects()
         self.titles.x_axis = None
         self.titles.y_axis = None
         self.titles.title = None