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from ObservationSim.ObservationSim import Observation
from ObservationSim._util import parse_args, generate_pointings, make_run_dirs
from Catalog.Catalog_example import Catalog_example
import os
import galsim
import yaml
import gc
gc.enable()
def runSim(Catalog):
"""
Main method for simulation call.
"""
args = parse_args()
if args.config_dir is None:
args.config_dir = ''
args.config_dir = os.path.abspath(args.config_dir)
args.config_file = os.path.join(args.config_dir, args.config_file)
with open(args.config_file, "r") as stream:
try:
config = yaml.safe_load(stream)
for key, value in config.items():
print (key + " : " + str(value))
except yaml.YAMLError as exc:
print(exc)
config["obs_setting"]["image_rot"] = float(config["obs_setting"]["image_rot"])*galsim.degrees
# Overwrite the data and working directories
# if they are specified by the command line inputs
if args.data_dir is not None:
config['data_dir'] = args.data_dir
if args.work_dir is not None:
config['work_dir'] = args.work_dir
# Generate lists of RA, DEC, time_stamps, pointing_type (MS or CAL), and pRange
# (selections of pointings to run) based on the input pointing list (or default
# pointing RA, DEC) and "config["obs_setting"]["run_pointings"]".
# "config['obs_setting']['np_cal']"" is the number of CAL pointings which will be
# appended to the front of all above lists.
# NOTE: the implementation of gerenating time_stamps is temporary.
pRA, pDEC, timestamp_obs, pointing_type, pRange = generate_pointings(config=config, pointing_filename=config['pointing_file'], data_dir=config['pointing_dir'])
# Make the main output directories
make_run_dirs(work_dir=config['work_dir'], run_name=config['run_name'], nPointings=len(pRA), pRange=pRange)
# Initialize the simulation
obs = Observation(config=config, Catalog=Catalog, work_dir=config['work_dir'], data_dir=config['data_dir'])
# Run simulation
obs.runExposure_MPI_PointingList(
ra_cen=pRA,
dec_cen=pDEC,
pRange=pRange,
timestamp_obs=timestamp_obs,
pointing_type=pointing_type,
exptime=config["obs_setting"]["exp_time"],
use_mpi=config["run_option"]["use_mpi"],
chips=config["obs_setting"]["run_chips"])
if __name__=='__main__':
runSim(Catalog=Catalog_example)
# To run cycle-3 simulation
# from Catalog.C3Catalog import C3Catalog
# runSim(Catalog=C3Catalog)