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Export supplemental gps CSV file #952

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Export supplemental gps CSV file #952

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dd7e5e9
Export supplemental gps CSV file
sssangha Feb 2, 2023
737579d
Generalize and clean-up
sssangha Feb 3, 2023
554f211
Merge branch 'main' into sss_rerefGPS
yunjunz Feb 9, 2023
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29 changes: 29 additions & 0 deletions src/mintpy/utils/plot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
# from mintpy.utils import plot as pp


import csv
import datetime as dt
import os
import warnings
Expand Down Expand Up @@ -1178,6 +1179,19 @@ def plot_gps(ax, SNWE, inps, metadata=dict(), print_msg=True):
redo=inps.gps_redo,
)

# create CSV reflecting plotting changes imposed on input GPS data
# read GPS velocity from CSV file
csv_file = f'gps_{inps.gps_component}.csv'
vprint(f'write rereferenced GPS observations to file: {csv_file}')
og_csv = os.path.join(os.path.dirname(metadata['FILE_PATH']),
os.path.basename(csv_file))
update_csv = os.path.join(os.path.dirname(metadata['FILE_PATH']),
'reref_' + os.path.basename(csv_file))
col_names = ['Site', 'Lon', 'Lat', 'Displacement', 'Velocity']
num_col = len(col_names)
col_types = ['U10'] + ['f8'] * (num_col - 1)
fc = np.genfromtxt(og_csv, dtype=col_types, delimiter=',', names=True)

# reference GPS
if inps.ref_gps_site:
ref_ind = site_names.tolist().index(inps.ref_gps_site)
Expand All @@ -1188,8 +1202,23 @@ def plot_gps(ax, SNWE, inps, metadata=dict(), print_msg=True):
if not np.isnan(ref_val):
site_obs -= ref_val

# update CSV values
fc[col_names[-1]] -= fc[col_names[-1]][ref_ind]
fc[col_names[-2]] -= fc[col_names[-2]][ref_ind]

# scale to the same unit as InSAR
site_obs *= unit_fac
fc[col_names[-1]] *= unit_fac
fc[col_names[-2]] *= unit_fac

# write updated CSV file
data_list_update = []
for i in fc:
data_list_update.append(i)
with open(update_csv, 'w') as fc2:
fcw = csv.writer(fc2)
fcw.writerow(col_names)
fcw.writerows(data_list_update)

# exclude sites
if inps.ex_gps_sites:
Expand Down