BUG: Fix bug with camera resetting (#12052)

Author: larsoner

mne/viz/evoked_field.py

@@ -195,7 +195,6 @@ def __init__(
             )
             self._in_brain_figure = False
 
-        self._renderer.set_interaction(interaction)
         self.plotter = self._renderer.plotter
         self.interaction = interaction
 
@@ -243,6 +242,7 @@ def current_time_func():
         subscribe(self, "contours", self._on_contours)
 
         if not self._in_brain_figure:
+            self._renderer.set_interaction(interaction)
             self._renderer.set_camera(azimuth=10, elevation=60, distance="auto")
             self._renderer.show()
 

tutorials/visualization/20_ui_events.py

@@ -76,7 +76,6 @@
 link(fig_brain, fig_field)
 fig_brain.set_time(0.1)  # updates both source estimate and field lines
 
-
 ########################################################################################
 # Hooking a custom plot into the event system
 # ===========================================