def remove_by_model(Data0, data_config_file):
# Right now configured for the Hines data.
starttime1 = dt.datetime.strptime("20100403", "%Y%m%d");
endtime1 = dt.datetime.strptime("20100405", "%Y%m%d");
starttime2 = dt.datetime.strptime("20200328", "%Y%m%d");
endtime2 = dt.datetime.strptime("20200330", "%Y%m%d");
# Input Hines data.
model_data = get_station_hines(Data0.name, data_config_file);
if not model_data: # if None
return Data0;
if len(Data0.dtarray) == 0: # if empty
return Data0;
if model_data.dtarray[-1] < Data0.dtarray[-1]:
print("\nWARNING! Trying to use a short postseismic model to fix a long GNSS time series.");
print("PROBLEMS MAY OCCUR- tread carefully!!\n\n");
# These will be the same size.
Data0, model = gps_ts_functions.pair_gps_model_keeping_gps(Data0, model_data);
# pair_gps_model_keeping_gps leaves data outside of the model timespan
# Data0, model = gps_ts_functions.pair_gps_model(Data0, model_data); # removes data outside of the model timespan.
# Subtract the model from the data.
dtarray, dE_gps, dN_gps, dU_gps = [], [], [], [];
Se_gps, Sn_gps, Su_gps = [], [], [];
for i in range(len(Data0.dtarray)):
dtarray.append(Data0.dtarray[i]);
dE_gps.append(Data0.dE[i] - model.dE[i]);
dN_gps.append(Data0.dN[i] - model.dN[i]);
dU_gps.append(Data0.dU[i] - model.dU[i]);
Se_gps.append(Data0.Se[i]);
Sn_gps.append(Data0.Sn[i]);
Su_gps.append(Data0.Su[i]);
# In this method, we correct for offsets at the beginning and end of the modeled time series.
interval1 = [starttime1, endtime1];
east_offset1 = offsets.fit_single_offset(dtarray, dE_gps, interval1, 20);
north_offset1 = offsets.fit_single_offset(dtarray, dN_gps, interval1, 20);
vert_offset1 = offsets.fit_single_offset(dtarray, dU_gps, interval1, 20);
interval2 = [starttime2, endtime2];
east_offset2 = offsets.fit_single_offset(dtarray, dE_gps, interval2, 20);
north_offset2 = offsets.fit_single_offset(dtarray, dN_gps, interval2, 20);
vert_offset2 = offsets.fit_single_offset(dtarray, dU_gps, interval2, 20);
offsets_obj = offsets.Offsets(e_offsets=[east_offset1, east_offset2],
n_offsets=[north_offset1, north_offset2], u_offsets=[vert_offset1, vert_offset2],
evdts=[starttime1, starttime2]);
corrected_data = gps_io_functions.Timeseries(name=Data0.name, coords=Data0.coords, dtarray=dtarray, dE=dE_gps,
dN=dN_gps, dU=dU_gps, Se=Se_gps, Sn=Sn_gps, Su=Su_gps,
EQtimes=Data0.EQtimes);
corrected_data = offsets.remove_offsets(corrected_data, offsets_obj);
return corrected_data;
def get_pbo_offsets(station, offsets_dir):
print("Offset table for station %s:" % station)
try:
table = subprocess.check_output("grep " + station + " " + offsets_dir +
"cwu*.off",
shell=True)
except subprocess.CalledProcessError: # if we have no earthquakes in the event files...
table = []
if len(table) > 0:
table = table.decode()
# needed when switching to python 3
print(table)
[e_offsets, n_offsets, u_offsets, evdts] = parse_antenna_table_pbo(table)
PBO_offsets = offsets.Offsets(e_offsets=e_offsets,
n_offsets=n_offsets,
u_offsets=u_offsets,
evdts=evdts)
return PBO_offsets
def get_cwu_earthquakes(station, earthquakes_dir):
print("Earthquake table for station %s:" % station)
# Read the offset table
try:
table = subprocess.check_output("grep " + station + " " +
earthquakes_dir + "cwu*kalts.evt",
shell=True)
except subprocess.CalledProcessError: # if we have no earthquakes in the event files...
table = []
if len(table) > 0:
table = table.decode()
# needed when switching to python 3
print(table)
[e_offsets, n_offsets, u_offsets,
evdts] = parse_earthquake_table_pbo(table)
CWU_earthquakes = offsets.Offsets(e_offsets=e_offsets,
n_offsets=n_offsets,
u_offsets=u_offsets,
evdts=evdts)
return CWU_earthquakes