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Fang Yuedong authored62965576
from ObservationSim.ObservationSim import Observation
from ObservationSim._util import parse_args, make_run_dirs, generate_pointing_list
from pkg_resources import get_distribution
import os
import yaml
import shutil
import datetime
import gc
gc.enable()
def run_sim(Catalog):
"""
Main method for simulation call.
Parameters
----------
Catalog : Class
a catalog class which is inherited from ObservationSim.MockObject.CatalogBase
Returns
----------
None
"""
# Get version of CSSTSim Package
__version__ = get_distribution("CSSTSim").version
# Get run datetime
now = datetime.datetime.now()
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)
# 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
# Some default values
if "bias_16channel" not in config["ins_effects"]:
config["ins_effects"]["bias_16channel"] = False
if "gain_16channel" not in config["ins_effects"]:
config["ins_effects"]["gain_16channel"] = False
if "mag_sat_margin" not in config["obs_setting"]:
config["obs_setting"]["mag_sat_margin"] = -2.5
if "mag_lim_margin" not in config["obs_setting"]:
config["obs_setting"]["mag_lim_margin"] = 1.0
# Generate lists pointings 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.
# NOTE: the implementation of gerenating time_stamps is temporary.
pointing_list = generate_pointing_list(config=config, pointing_filename=config['pointing_file'], data_dir=config['pointing_dir'])
# Make the main output directories
run_dir = make_run_dirs(work_dir=config['work_dir'], run_name=config['run_name'], pointing_list=pointing_list)
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# Copy the config file to output directory & Write Run metadata
shutil.copy(args.config_file, run_dir)
run_meta = os.path.join(run_dir, "run_metadata.yaml")
with open(run_meta, "w") as config_out:
config_out.write("\n")
config_out.write("###############################################\n")
config_out.write("CSSTSim_version: \"%s\"\n"%__version__)
date_str = datetime.datetime.strftime(now, '%m/%d/%Y')
time_str = datetime.datetime.strftime(now, '%H:%M:%S')
config_out.write("Run_date: \"%s\"\n"%date_str)
config_out.write("Run_time: \"%s\"\n"%time_str)
config_out.write("###############################################\n")
# 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(
pointing_list=pointing_list,
use_mpi=config["run_option"]["use_mpi"],
chips=config["obs_setting"]["run_chips"])
if __name__=='__main__':
# To run with the example input catalog
# from Catalog.Catalog_example import Catalog_example
# run_sim(Catalog=Catalog_example)
# # To run cycle-3 simulation
# from Catalog.C3Catalog import C3Catalog
# run_sim(Catalog=C3Catalog)
# To run calibration field NGP simulation
from Catalog.NGPCatalog import NGPCatalog
run_sim(Catalog=NGPCatalog)
# from Catalog.NJU_Catalog import NJU_Catalog
# run_sim(Catalog=NJU_Catalog)