From 350f65e83f32b0b6743b29b029d7dcf90d024f6f Mon Sep 17 00:00:00 2001
From: Rachel Cooper <rcooper@stsci.edu>
Date: Wed, 31 Jul 2024 14:10:33 -0400
Subject: [PATCH] Use MASK_NRM to match AMI data

---
 webbpsf/match_data.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/webbpsf/match_data.py b/webbpsf/match_data.py
index 8b8e372a..2f0fb098 100644
--- a/webbpsf/match_data.py
+++ b/webbpsf/match_data.py
@@ -78,6 +78,10 @@ def setup_sim_to_match_file(filename_or_HDUList, verbose=True, plot=False, choic
         if header['APERNAME'] == 'MIRIM_SLIT':
             inst.image_mask = 'LRS slit'
 
+    elif inst.name == 'NIRISS':
+        if header['PUPIL'] == 'NRM': # else could be CLEARP for KPI observations
+            inst.pupil_mask = 'MASK_NRM'
+
     # TODO add other per-instrument keyword checks
 
     if verbose: