def get_ephemeris(rundate, sat_name):
"""Get CPF data for a given date
The ephemeris data is stored in a dictionary with keys site_num (5 digits, e.g. '97401') and subdictionary with
keys antenna_num (one letter and three digits, e.g. 'S002'). Contains information on site position and sigmas.
Args:
rundate (Datetime): Model run date.
sat_name (String): Name of satellite.
Returns:
Dict: Ephemeris data.
"""
file_key = "slr_ephemeris"
sat_data = get_satellite_vars(sat_name)
provider_list = config.tech.prediction_providers.list
# Find the latest version of the observation file
versions = files.glob_variable(file_key,
"version",
r"\d{4}",
file_vars=sat_data)
ephemeris_data = dict()
try:
ephemeris_data["version"] = sorted(versions)[-1]
providers = files.glob_variable(file_key,
"provider",
r"\w+",
file_vars=ephemeris_data)
for provider in provider_list:
if provider in providers:
ephemeris_data["provider"] = provider
break
else:
log.fatal(f"No valid provider found: {', '.join(providers)}")
except IndexError:
log.info(f"Pattern: '{files.path(file_key)}'")
log.info(f"No ephemeris data found")
log.fatal(
f"Download manually from ftp://cddis.nasa.gov/slr/cpf_predicts/")
eph_parser = parsers.parse_key(file_key, file_vars=ephemeris_data)
eph = calculate_initial_values(eph_parser.as_dict(), rundate)
return eph
def get_ephemeris(rundate, sat_name):
"""Get CPF data for a given date
The ephemeris data is stored in a dictionary with keys site_num (5 digits, e.g. '97401') and subdictionary with
keys antenna_num (one letter and three digits, e.g. 'S002'). Contains information on site position and sigmas.
Args:
rundate (Datetime): Model run date.
sat_name (String): Name of satellite.
Returns:
Dict: Ephemeris data.
"""
file_key = "slr_ephemeris"
sat_data = get_satellite_vars(sat_name)
provider_list = config.tech.prediction_providers.list
# Find the latest version of the observation file
versions = files.glob_variable(file_key,
"version",
r"\d{4}",
file_vars=sat_data)
ephemeris_data = dict()
try:
ephemeris_data["version"] = sorted(versions)[-1]
providers = files.glob_variable(file_key,
"provider",
r"\w+",
file_vars=ephemeris_data)
for provider in provider_list:
if provider in providers:
ephemeris_data["provider"] = provider
break
except IndexError:
print(f"Pattern: '{files.path(file_key)}'"
) # TODO: Because of format log does not print this properly
log.fatal(f"No ephemeris data found")
eph = parsers.parse_key(file_key,
file_vars=ephemeris_data,
rundate=rundate)
eph = calculate_initial_values(eph)
return eph
def list_sessions(rundate):
"""Sessions available for the given rundate
Args:
rundate (date): The model run date.
Returns:
List: Strings with names of available sessions.
"""
if config.where.get(
"get_session_from_master",
section=TECH,
value=util.read_option_value(
"--get_session_from_master",
default=None), # TODO: add this to mg_config
default=False,
).bool:
skip_sessions = set(
config.where.get(
"skip_sessions",
section="runner",
value=util.read_option_value("--skip_sessions", default=None),
default="",
).list)
session_types = config.where.get(
"session_types",
section="runner",
value=util.read_option_value("--session_types", default=None),
default="",
).list
master_schedule = apriori.get("vlbi_master_schedule", rundate=rundate)
sessions = set(
master_schedule.list_sessions(rundate,
session_types=session_types))
sessions = sessions - skip_sessions
return sessions
else:
obs_format = config.tech.get(
"obs_format", section=TECH
).str # TODO: This always falls back on config.where ..
file_vars = config.create_file_vars(rundate, TECH, session=None)
del file_vars[
"session"] # TODO: Do not add None variables to file_vars?
found_sessions = files.glob_variable(f"vlbi_obs_{obs_format}",
variable="session",
pattern=r"\w{2}",
file_vars=file_vars)
return found_sessions
def interactive(rundate, tech, session=""):
"""Read model run data and start an interactive session
Read all datasets for the given rundate and techniques, and start an interactive IPython session.
Args:
rundate: The model run date.
tech: String with the name of technique.
"""
# Read data for all techniques
vars_dict = dict()
list_of_vars = list()
config.init(rundate, tech, session=session)
vars_dict[tech] = config.files.vars.copy()
del vars_dict[tech]["rundate"]
# Register filekey suffix
filekey_suffix = config.tech.get("filekey_suffix", default="").list
if filekey_suffix:
files.use_filelist_profiles(*filekey_suffix)
# Read data for all available sessions and stages, add them to the global namespace
stages = files.glob_variable("dataset_hdf5", "stage", ".+")
for stage in sorted(stages):
names, dset_ids = data.list_dataset_names_and_ids(rundate,
stage=stage,
**vars_dict[tech])
for name, dset_id in zip(names, dset_ids):
var_name = "_".join([tech, stage, name, str(dset_id)])
short_var_name = tech[0] + str(
len([
v for v in list_of_vars if v.lstrip().startswith(tech[0])
]))
globals()[var_name] = data.Dataset(rundate,
stage=stage,
dataset_name=name,
dataset_id=dset_id,
**vars_dict[tech])
globals()[short_var_name] = globals()[var_name]
list_of_vars.append("{:>6s}, {}".format(short_var_name, var_name))
# Start an interactive IPython session
IPython.embed(header="Available datasets:\n" + "\n".join(list_of_vars))
def __init__(self, time, version=None):
"""Set up a new Terrestrial Reference Frame object based on the VTRF Sinex files
Args:
time (Time): Time epochs for which to calculate positions.
version (Str): Version string, can be used to differentiate for instance VTRF2015d from VTRF2016b. By
adding a _snx or _ssc suffix to the version number the format can be specificed.
"""
super().__init__(time, version)
# Parse solution and format from version (year_format)
version = "last" if version is None else version # 'last' is default solution
self.solution, _, fmt = version.partition("_")
self.format = fmt if fmt else "snx" # Sinex is default format
if self.solution == "last":
candidates = files.glob_variable(
self.file_key_pattern.format(self.format), "version",
r"[^._]*")
try:
self.solution = max(candidates)
except ValueError:
log.fatal("No vtrf reference frame files found")
self.version = f"{self.solution}_{self.format}"
def __init__(self, time, version=None):
"""Set up a new Terrestrial Reference Frame object based on the ITRF Sinex files
For ITRFs from 2014 and later includes post-seismic deformations.
Args:
time (Time): Time epochs for which to calculate positions.
version (Str): Version string, can be used to differentiate for instance ITRF2008 from ITRF2014.
"""
super().__init__(time, version)
# Parse solution and format from version (solution_format)
version = "last" if version is None else version # 'last' is default solution
self.solution, _, fmt = version.partition("_")
self.format = fmt if fmt else "snx" # Sinex is default format
if self.solution == "last":
candidates = files.glob_variable(
self.file_key_pattern.format(self.format), "version",
r"[^._]*")
try:
self.solution = max(candidates)
except ValueError:
log.fatal("No itrf reference frame files found")
self.version = f"{self.solution}_{self.format}"
def file_vars():
"""File variables that will be available during the running of this technique
In addition, date and analysis variables are available.
Returns:
Dict: File variables special for this technique.
"""
file_vars = dict()
# Add obs_version for ngs
if config.tech.get("obs_format").str == "ngs":
versions = files.glob_variable("vlbi_obs_ngs", "obs_version", r"\d{3}")
if versions:
file_vars["obs_version"] = max(versions)
elif config.where.files.download_missing.bool:
# Look online for a candidate
log.info(
"No NGS observation file found on disk: Looking for one online."
)
obs_versions = [f"{v:03d}" for v in reversed(range(4, 10))]
for obs_version in obs_versions:
url = files.url("vlbi_obs_ngs",
file_vars=dict(obs_version=obs_version),
is_zipped=True,
use_aliases=False)
log.info(f"Looking for {url} ...")
if url.exists():
file_vars["obs_version"] = obs_version
break
if not file_vars:
log.fatal("No NGS observation file found")
# Add obs_version for vgosdb
if config.tech.get("obs_format").str == "vgosdb":
versions = files.glob_variable("vlbi_obs_vgosdb", "obs_version",
r"\d{3}")
if versions:
file_vars["obs_version"] = max(versions)
elif config.where.files.download_missing.bool:
# Look online for a candidate
log.warn(
"No VGOSDB wrapper file found. Not attempting to download. TODO"
)
# log.info("No NGS wrapper file found on disk: Looking for one online.")
# obs_versions = [f"{v:03d}" for v in reversed(range(4, 10))]
# for obs_version in obs_versions:
# url = files.url(
# "vlbi_obs_ngs", file_vars=dict(obs_version=obs_version), is_zipped=True, use_aliases=False
# )
# log.info(f"Looking for {url} ...")
# if url.exists():
# file_vars["obs_version"] = obs_version
# break
if not file_vars:
log.fatal("No VGOSDB observation file found")
# Sinex file vars
file_vars["solution"] = config.tech.sinex.solution.str
file_vars["file_agency"] = config.tech.sinex.file_agency.str.lower()
return file_vars
def update(self):
"""Read users from the file directories
"""
users = files.glob_variable("dataset_hdf5", "user", r"[a-z]+")
simple_update_combobox(self, sorted(users))
