def post_process(self, engine, source, statics):
campaign = gnss.GNSSCampaign()
for ista in range(self.ntargets):
north = gnss.GNSSComponent(
shift=float(statics['displacement.n'][ista]))
east = gnss.GNSSComponent(
shift=float(statics['displacement.e'][ista]))
up = gnss.GNSSComponent(
shift=-float(statics['displacement.d'][ista]))
coords = self.coords5
station = gnss.GNSSStation(
lat=float(coords[ista, 0]),
lon=float(coords[ista, 1]),
east_shift=float(coords[ista, 2]),
north_shift=float(coords[ista, 3]),
elevation=float(coords[ista, 4]),
north=north,
east=east,
up=up)
campaign.add_station(station)
return meta.GNSSCampaignResult(result=statics, campaign=campaign)
def load_ascii_gnss_globk(filedir,
filename,
components=['east', 'north', 'up']):
"""
Load ascii file columns containing:
station name, Lon, Lat, ve, vn, vu, sigma_ve, sigma_vn, sigma_vu
location [decimal deg]
measurement unit [mm/yr]
Returns
-------
:class:`pyrocko.model.gnss.GNSSCampaign`
"""
from pyrocko.model import gnss
filepath = os.path.join(filedir, filename)
skiprows = 3
if os.path.exists(filepath):
names = num.loadtxt(filepath,
skiprows=skiprows,
usecols=[12],
dtype='str')
d = num.loadtxt(filepath,
skiprows=skiprows,
usecols=range(12),
dtype='float')
elif len(os.path.splitext(filepath)[1]) == 0:
logger.info('File %s is not an ascii text file!' % filepath)
return
else:
raise ImportError('Did not find data under: %s' % filepath)
component_to_idx_map = {'east': (2, 6), 'north': (3, 7), 'up': (9, 11)}
# velocity_idxs = [2, 3, 9]
# std_idxs = [6, 7, 11]
if names.size != d.shape[0]:
raise Exception('Number of stations and available data differs!')
data = gnss.GNSSCampaign(name=filename)
for i, name in enumerate(names):
#code = str(name.split('_')[0]) # may produce duplicate sites
code = str(name)
gnss_station = gnss.GNSSStation(code=code,
lon=float(d[i, 0]),
lat=float(d[i, 1]))
for j, comp in enumerate(components):
vel_idx, std_idx = component_to_idx_map[comp]
setattr(
gnss_station, comp,
gnss.GNSSComponent(shift=float(d[i, vel_idx] / km),
sigma=float(d[i, std_idx] / km)))
logger.debug('Loaded station %s' % gnss_station.code)
data.add_station(gnss_station)
return data
campaign = gnss.GNSSCampaign(name='Ridgecrest coseismic (UNR)')
print('Loading Ridgecrest GNSS data from %s (max_dist = %.1f km)' %
(fname, DIST_MAX / km))
# load station names and data
with open(fname, 'r') as f:
for header in range(2):
next(f)
names = [line.split(' ')[0] for line in f]
gnss_data = num.loadtxt(fname, skiprows=2, usecols=(1, 2, 3, 4, 5, 6, 7, 8))
for ista, sta_data in enumerate(gnss_data):
name = names[ista]
lon, lat, de, dn, du, sde, sdn, sdu = map(float, sta_data)
station = gnss.GNSSStation(code=name, lat=lat, lon=lon, elevation=0.)
if station.distance_to(RIDGECREST_EQ) > DIST_MAX:
continue
station.east = gnss.GNSSComponent(shift=de, sigma=sde)
station.north = gnss.GNSSComponent(shift=dn, sigma=sdn)
station.up = gnss.GNSSComponent(shift=du, sigma=sdu)
campaign.add_station(station)
print('Selected %d stations, saving to ridgecrest_coseis_gnss.yml' %
(campaign.nstations))
campaign.dump(filename='2019-ridgecrest_gnss_unr.yml')
print('Creating map...')
fn_displacements = 'GPS_Data-Northridge-1994_Hudnut.csv'
get_example_data(fn_stations)
get_example_data(fn_displacements)
campaign = gnss.GNSSCampaign(name='Northridge 1994')
# Load the stations
with open(fn_stations, 'r') as f:
for line in f:
if line.startswith('#'):
continue
row = line.split(',')
sta = gnss.GNSSStation(
code=row[0].strip(),
lat=float(row[1]),
lon=float(row[2]),
elevation=float(row[3]))
campaign.add_station(sta)
# Load the displacements
with open(fn_displacements, 'r') as f:
for line in f:
if line.startswith('#'):
continue
row = line.split(',')
station_id = row[0].strip()
station = campaign.get_station(station_id)
station.east = gnss.GNSSComponent(