Use ExposureOutput in METIS

METIS/METIS_DET_IFU.yaml

@@ -78,6 +78,12 @@ effects:
       noise_std: "!DET.readout_noise"
       n_channels: 32
 
+  - name: exposure_output
+    description: Return average or sum over NDIT subexposures
+    class: ExposureOutput
+    kwargs:
+      mode: average
+
   - name: ad_conversion
     description: Apply gain and convert electron count into integers
     class: ADConversion

METIS/METIS_DET_IMG_LM.yaml

@@ -95,6 +95,13 @@ effects:
       noise_std: "!DET.readout_noise"
       n_channels: 32
 
+
+  - name: exposure_output
+    description: Return average or sum over NDIT subexposures
+    class: ExposureOutput
+    kwargs:
+      mode: average
+
   - name: ad_conversion
     description: Apply gain and convert electron counts into integers
     class: ADConversion

METIS/METIS_DET_IMG_N_Aquarius.yaml

@@ -92,6 +92,12 @@ effects:
       noise_std: "!DET.readout_noise"
       n_channels: 64
 
+  - name: exposure_output
+    description: Return average or sum over NDIT subexposures
+    class: ExposureOutput
+    kwargs:
+      mode: average
+
   - name: chop_nod
     descriptions: chopping and nodding
     class: ChopNodCombiner

METIS/METIS_DET_IMG_N_GeoSnap.yaml

@@ -100,6 +100,12 @@ effects:
       noise_std: "!DET.readout_noise"
       n_channels: 8
 
+  - name: exposure_output
+    description: Return average or sum over NDIT subexposures
+    class: ExposureOutput
+    kwargs:
+      mode: average
+
   - name: chop_nod
     descriptions: chopping and nodding
     class: ChopNodCombiner

METIS/tests/test_readout_exptime.py

@@ -1,3 +1,4 @@
+"""Test whether giving exptime in readout() is respected."""
 import copy
 import os
 from matplotlib import pyplot as plt
@@ -34,6 +35,7 @@ def test_readout_exptime():
 
     # The first readout might ignore the exptime.
     metis_l = sim.OpticalTrain(cmd_l)
+    metis_l["exposure_output"].set_mode("sum")
     metis_l.observe(star, update=True)
     result_first = metis_l.readout(exptime=0.1)[0]
     # We need to copy the first readeout, because
@@ -42,6 +44,7 @@ def test_readout_exptime():
 
     # The second readout might not properly have the detector reset.
     metis_l = sim.OpticalTrain(cmd_l)
+    metis_l["exposure_output"].set_mode("sum")
     metis_l.observe(star, update=True)
     result_temp = metis_l.readout(exptime=.1)[0]
     result_temp_copy = copy.deepcopy(result_temp)