Fix return value of NullDataVolumeReducer

cta-observatory · May 31, 2023 · 90cef1f · 90cef1f
1 parent 0834ca5
commit 90cef1f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ctapipe/image/reducer.py b/ctapipe/image/reducer.py
@@ -99,8 +99,8 @@ class NullDataVolumeReducer(DataVolumeReducer):
     """
 
     def select_pixels(self, waveforms, tel_id=None, selected_gain_channel=None):
-        mask = waveforms != 0
-        return mask
+        n_pixels = self.subarray.tel[tel_id].camera.geometry.n_pixels
+        return np.ones(n_pixels, dtype=bool)
 
 
 class TailCutsDataVolumeReducer(DataVolumeReducer):