From 99f58e9639e7f47b11308478d67863f7296c1ca2 Mon Sep 17 00:00:00 2001
From: Zhang Xin <zhangx@bao.ac.cn>
Date: Tue, 13 Jun 2023 23:49:35 +0800
Subject: [PATCH] add gc for straylight model

---
 ObservationSim/Instrument/Filter.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ObservationSim/Instrument/Filter.py b/ObservationSim/Instrument/Filter.py
index 5ddb0ac..f14628a 100755
--- a/ObservationSim/Instrument/Filter.py
+++ b/ObservationSim/Instrument/Filter.py
@@ -2,6 +2,7 @@ import galsim
 import pylab as pl
 import os
 import numpy as np
+import gc
 
 from ObservationSim.Instrument._util import photonEnergy, calculateLimitMag
 from ObservationSim.Instrument.FilterParam import FilterParam
@@ -120,6 +121,9 @@ class Filter(object):
             self.sky_background = s_pix
             self.zodical_spec = None
 
+        del sl
+        gc.collect()
+
     def update_limit_saturation_mags(self, exptime=150., psf_fwhm=0.1969, skyFn='sky_emiss_hubble_50_50_A.dat', chip=None):
         if self.filter_type in ["GI", "GV", "GU"]:
             return
-- 
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