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from _util import parse_args
from datetime import datetime
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def Pointing(config, pointing_filename, data_dir):
pointing_file = os.path.join(data_dir, pointing_filename)
f = open(pointing_file, 'r')
for _ in range(1):
header = f.readline()
iline = 0
pRA = []
pDEC = []
for line in f:
line = line.strip()
columns = line.split()
pRA.append(float(columns[0]))
pDEC.append(float(columns[1]))
f.close()
pRA = np.array(pRA)
pDEC = np.array(pDEC)
# Create calibration pointings
# NOTE: temporary implementation
ncal = config['obs_setting']['np_cal']
pointing_type = ['MS']*len(pRA)
pRA = np.append([pRA[0]]*ncal, pRA)
pDEC = np.append([pDEC[0]]*ncal, pDEC)
pointing_type = ['CAL']*ncal + pointing_type
# Calculate starting time(s)
# NOTE: temporary implementation
t0 = datetime(2021, 5, 25, 12, 0, 0)
t = datetime.timestamp(t0)
timestamp_obs = []
delta_t = 10 # Time elapsed between exposures (minutes)
for i in range(len(pointing_type)):
timestamp_obs.append(t)
if pointing_type[i] == 'CAL':
t += 3 * delta_t * 60 # 3 calibration exposure
elif pointing_type[i] == 'MS':
t += delta_t * 60
timestamp_obs = np.array(timestamp_obs)
pointing_type = np.array(pointing_type)
return pRA, pDEC, timestamp_obs, pointing_type
def MakeDirectories(work_dir, run_name, nPointings, pRange=None):
if not os.path.exists(work_dir):
try:
os.makedirs(work_dir, exist_ok=True)
except OSError:
pass
imgDir = os.path.join(work_dir, run_name)
if not os.path.exists(imgDir):
try:
os.makedirs(imgDir, exist_ok=True)
except OSError:
pass
prefix = "MSC_"
for pointing_ID in range(nPointings):
if pRange is not None:
if pointing_ID not in pRange:
continue
fname=prefix + str(pointing_ID).rjust(7, '0')
subImgDir = os.path.join(imgDir, fname)
if not os.path.exists(subImgDir):
try:
os.makedirs(subImgDir, exist_ok=True)
except OSError:
pass
def runSim():
"""
Main 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
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
pRA, pDEC, timestamp_obs, pointing_type = Pointing(config=config, pointing_filename=config['pointing_file'], data_dir=config['data_dir'])
MakeDirectories(work_dir=config['work_dir'], run_name=config['run_name'], nPointings=len(pRA), pRange=config['obs_setting']['run_pointings'])
if "run_chips" in config["obs_setting"]:
run_chips = config["obs_setting"]["run_chips"]
else:
run_chips = None
# from Config import ConfigDir
# path_dict = ConfigDir(config=config, work_dir=config["work_dir"], data_dir=config["data_dir"])
# for key, value in path_dict.items():
# print (key + " : " + str(value))
obs = Observation(config=config, work_dir=config['work_dir'], data_dir=config['data_dir'])
if config["pointing_file"] is None:
obs.runExposure(chips=run_chips)
else:
obs.runExposure_MPI_PointingList(
ra_cen=pRA,
dec_cen=pDEC,
pRange=config["obs_setting"]["run_pointings"],
timestamp_obs=timestamp_obs,
pointing_type=pointing_type,
exptime=config["obs_setting"]["exp_time"],
use_mpi=config["run_option"]["use_mpi"],
chips=run_chips
)
print("run finished")
if __name__=='__main__':
runSim()
#############################################
# Testing run one exposure (NOT using MPI)
# ipoint = 2
# pointRa = float('{:8.4f}'.format(pRA[ipoint]))
# pointDec = float('{:8.4f}'.format(pDEC[ipoint]))
# obs = Observation(work_dir=work_dir, data_dir=data_dir)
# obs.runExposure(ra_cen=pointRa, dec_cen=pointDec, pointing_ID=ipoint, oneChip=16)
#############################################
# Testing run pointing list (using MPI)
# obs = Observation(work_dir=work_dir, data_dir=data_dir)
# # obs.runExposure_MPI_PointingList(ra_cen=pRA, dec_cen=pDEC, pRange=pRange, timestamp_obs=timestamp_obs, pointing_type=pointing_type)
# obs.runExposure_MPI_PointingList(ra_cen=pRA, dec_cen=pDEC, pRange=pRange, timestamp_obs=timestamp_obs, pointing_type=pointing_type, exptime=exp_time)