def get_ndbc_data(self, site, observations, begin_date, units_coverter,
db_obj):
start_time = time.time()
logger = logging.getLogger(self.__class__.__name__)
logger.debug("Starting get_ndbc_data")
row_entry_date = datetime.now()
utc_tz = timezone('UTC')
eastern_tz = timezone('US/Eastern')
platform_handle = 'ndbc.%s.met' % (site)
#if db_obj.platformExists(platform_handle) == -1:
if db_obj.platformExists(platform_handle) is None:
obs_list = []
for obs_setup in observations:
if site in obs_setup['sites']:
for xenia_obs in obs_setup['xenia_obs']:
obs_list.append({
'obs_name': xenia_obs['xenia_name'],
'uom_name': xenia_obs['xenia_units'],
's_order': 1
})
db_obj.buildMinimalPlatform(platform_handle, obs_list)
#Build sensor_id and m_type_id list.
for obs_setup in observations:
if site in obs_setup['sites']:
for xenia_obs in obs_setup['xenia_obs']:
m_type_id = db_obj.mTypeExists(xenia_obs['xenia_name'],
xenia_obs['xenia_units'])
sensor_id = db_obj.sensorExists(xenia_obs['xenia_name'],
xenia_obs['xenia_units'],
platform_handle, 1)
xenia_obs['m_type_id'] = m_type_id
xenia_obs['sensor_id'] = sensor_id
sos_query = NdbcSos()
# dates.sort(reverse=True)
logger.debug("Query site: %s for date: %s" % (site, begin_date))
sos_query.clear()
#utc_end_date = begin_date.astimezone(utc_tz) + timedelta(hours=24)
utc_end_date = begin_date.astimezone(utc_tz)
start_date = begin_date.astimezone(utc_tz) - timedelta(hours=24)
for obs_setup in ndbc_obs:
if site in obs_setup['sites']:
date_ndx = None
value_ndx = None
lat_ndx = None
lon_ndx = None
depth_ndx = None
sos_query.filter(features=[site],
start=start_date,
end=utc_end_date,
variables=[obs_setup['sos_obs_query']])
try:
# results = nos_query.collect()
response = sos_query.raw(responseFormat="text/csv")
except Exception as e:
logger.exception(e)
else:
csv_reader = csv.reader(
response.decode('utf-8').split('\n'), delimiter=',')
line_cnt = 0
for row in csv_reader:
for xenia_obs_setup in obs_setup['xenia_obs']:
obs_type = xenia_obs_setup['xenia_name']
uom_type = xenia_obs_setup['xenia_units']
s_order = 1
if line_cnt > 0 and len(row):
obs_date = datetime.strptime(
row[date_ndx], '%Y-%m-%dT%H:%M:%SZ')
try:
obs_val = float(row[value_ndx])
except ValueError as e:
logger.exception(e)
obs_val = 0.0
try:
if depth_ndx is not None:
depth = float(row[depth_ndx])
except ValueError as e:
logger.exception(e)
depth = 0
try:
if lat_ndx is not None:
latitude = float(row[lat_ndx])
if lon_ndx is not None:
longitude = float(row[lon_ndx])
except ValueError as e:
logger.exception(e)
latitude = 0.0
longitude = 0.0
obs_rec = multi_obs(
row_entry_date=row_entry_date,
platform_handle=platform_handle,
sensor_id=xenia_obs_setup['sensor_id'],
m_type_id=xenia_obs_setup['m_type_id'],
m_date=obs_date.strftime(
'%Y-%m-%dT%H:%M:%S'),
m_lon=longitude,
m_lat=latitude,
m_z=depth,
m_value=obs_val,
)
rec_id = db_obj.addRec(obs_rec, True)
if rec_id is not None:
logger.debug("Adding obs: %s(%s) Date: %s Value: %s S_Order: %d" % \
(obs_type, uom_type, obs_date, obs_val, s_order))
else:
logger.error("Failed adding obs: %s(%s) Date: %s Value: %s S_Order: %d" % \
(obs_type, uom_type, obs_date, obs_val, s_order))
else:
if value_ndx is None:
for ndx, val in enumerate(row):
if val.lower().find(
xenia_obs_setup['sos_obs_name']
) != -1:
value_ndx = ndx
if val.lower().find('date_time') != -1:
date_ndx = ndx
if val.lower().find('latitude') != -1:
lat_ndx = ndx
if val.lower().find('longitude') != -1:
lon_ndx = ndx
if val.lower().find('depth') != -1:
depth_ndx = ndx
line_cnt += 1
logger.debug("Finished get_ndbc_data in %f seconds" %
(time.time() - start_time))
print url
obs_loc_df = pd.read_csv(url)
# <codecell>
st_list = processStationInfo(obs_loc_df, st_list, "coops")
print st_list
# <markdowncell>
# #NDBC Station Locations
# <codecell>
ndbc_collector = NdbcSos()
ndbc_collector.start_time = start_time
ndbc_collector.end_time = end_time
ndbc_collector.variables = data_dict["currents"]["sos_name"]
ndbc_collector.server.identification.title
print ndbc_collector.start_time, ":", ndbc_collector.end_time
ofrs = ndbc_collector.server.offerings
print(len(ofrs))
# <codecell>
print "Date: ", iso_start, " to ", iso_end
box_str = ','.join(str(e) for e in bounding_box)
print "Lat/Lon Box: ", box_str
url = (('http://sdf.ndbc.noaa.gov/sos/server.php?'
def setUp(self):
self.c = NdbcSos()
def get_ndbc_data(site, dates, units_coverter, db_obj):
start_time = time.time()
logger = logging.getLogger(__name__)
logger.debug("Starting get_ndbc_data")
row_entry_date = datetime.now()
utc_tz = timezone('UTC')
eastern_tz = timezone('US/Eastern')
platform_handle = 'ndbc.%s.met' % (site)
if db_obj.platformExists(platform_handle) == -1:
obs_list = []
for obs_setup in ndbc_obs:
if site in obs_setup['sites']:
for xenia_obs in obs_setup['xenia_obs']:
obs_list.append({
'obs_name': xenia_obs['xenia_name'],
'uom_name': xenia_obs['xenia_units'],
's_order': 1
})
db_obj.buildMinimalPlatform(platform_handle, obs_list)
sos_query = NdbcSos()
#dates.sort(reverse=True)
dates.sort(reverse=True)
for rec_date in dates:
logger.debug("Query site: %s for date: %s" % (site, rec_date))
sos_query.clear()
utc_end_date = rec_date.astimezone(utc_tz) + timedelta(hours=24)
start_date = rec_date.astimezone(utc_tz) - timedelta(hours=24)
for obs_setup in ndbc_obs:
if site in obs_setup['sites']:
date_ndx = None
value_ndx = None
lat_ndx = None
lon_ndx = None
depth_ndx = None
sos_query.filter(features=[site],
start=start_date,
end=utc_end_date,
variables=[obs_setup['sos_obs_query']])
try:
#results = nos_query.collect()
response = sos_query.raw(responseFormat="text/csv")
except Exception as e:
logger.exception(e)
else:
csv_reader = csv.reader(response.split('\n'),
delimiter=',')
line_cnt = 0
for row in csv_reader:
for xenia_obs_setup in obs_setup['xenia_obs']:
obs_type = xenia_obs_setup['xenia_name']
uom_type = xenia_obs_setup['xenia_units']
s_order = 1
if line_cnt > 0 and len(row):
obs_date = datetime.strptime(
row[date_ndx], '%Y-%m-%dT%H:%M:%SZ')
try:
obs_val = float(row[value_ndx])
except ValueError as e:
logger.exception(e)
obs_val = 0.0
logger.debug("Adding obs: %s(%s) Date: %s Value: %s S_Order: %d" %\
(obs_type, uom_type, obs_date, obs_val, s_order))
depth = 0
if depth_ndx is not None:
depth = float(row[depth_ndx])
if not db_obj.addMeasurement(
obs_type,
uom_type,
platform_handle,
obs_date.strftime('%Y-%m-%dT%H:%M:%S'),
float(row[lat_ndx]),
float(row[lon_ndx]),
depth, [obs_val],
sOrder=s_order,
autoCommit=True,
rowEntryDate=row_entry_date):
logger.error(db_obj.lastErrorMsg)
else:
if value_ndx is None:
for ndx, val in enumerate(row):
if val.lower().find(
xenia_obs_setup['sos_obs_name']
) != -1:
value_ndx = ndx
if val.lower().find('date_time') != -1:
date_ndx = ndx
if val.lower().find('latitude') != -1:
lat_ndx = ndx
if val.lower().find('longitude') != -1:
lon_ndx = ndx
if val.lower().find('depth') != -1:
depth_ndx = ndx
line_cnt += 1
logger.debug("Finished get_ndbc_data in %f seconds" %
(time.time() - start_time))
def get_ndbc(start, end, bbox , sos_name='waves',datum='MSL', verbose=True):
"""
function to read NBDC data
###################
sos_name = waves
all_col = (['station_id', 'sensor_id', 'latitude (degree)', 'longitude (degree)',
'date_time', 'sea_surface_wave_significant_height (m)',
'sea_surface_wave_peak_period (s)', 'sea_surface_wave_mean_period (s)',
'sea_surface_swell_wave_significant_height (m)',
'sea_surface_swell_wave_period (s)',
'sea_surface_wind_wave_significant_height (m)',
'sea_surface_wind_wave_period (s)', 'sea_water_temperature (c)',
'sea_surface_wave_to_direction (degree)',
'sea_surface_swell_wave_to_direction (degree)',
'sea_surface_wind_wave_to_direction (degree)',
'number_of_frequencies (count)', 'center_frequencies (Hz)',
'bandwidths (Hz)', 'spectral_energy (m**2/Hz)',
'mean_wave_direction (degree)', 'principal_wave_direction (degree)',
'polar_coordinate_r1 (1)', 'polar_coordinate_r2 (1)',
'calculation_method', 'sampling_rate (Hz)', 'name'])
sos_name = winds
all_col = (['station_id', 'sensor_id', 'latitude (degree)', 'longitude (degree)',
'date_time', 'depth (m)', 'wind_from_direction (degree)',
'wind_speed (m/s)', 'wind_speed_of_gust (m/s)',
'upward_air_velocity (m/s)', 'name'])
"""
#add remove from above
if sos_name == 'waves':
col = ['sea_surface_wave_significant_height (m)','sea_surface_wave_peak_period (s)',
'sea_surface_wave_mean_period (s)','sea_water_temperature (c)',
'sea_surface_wave_to_direction (degree)']
elif sos_name == 'winds':
col = ['wind_from_direction (degree)','wind_speed (m/s)',
'wind_speed_of_gust (m/s)','upward_air_velocity (m/s)']
collector = NdbcSos()
collector.set_bbox(bbox)
collector.start_time = start
collector.variables = [sos_name]
ofrs = collector.server.offerings
title = collector.server.identification.title
collector.features = None
collector.end_time = start + datetime.timedelta(1)
response = collector.raw(responseFormat='text/csv')
df = pd.read_csv(BytesIO(response), parse_dates=True)
g = df.groupby('station_id')
df = dict()
for station in g.groups.keys():
df.update({station: g.get_group(station).iloc[0]})
df = pd.DataFrame.from_dict(df).T
station_dict = {}
for offering in collector.server.offerings:
station_dict.update({offering.name: offering.description})
names = []
for sta in df.index:
names.append(station_dict.get(sta, sta))
df['name'] = names
#override short time
collector.end_time = end
data = []
for k, row in df.iterrows():
station_id = row['station_id'].split(':')[-1]
collector.features = [station_id]
response = collector.raw(responseFormat='text/csv')
kw = dict(parse_dates=True, index_col='date_time')
obs = pd.read_csv(BytesIO(response), **kw).reset_index()
obs = obs.drop_duplicates(subset='date_time').set_index('date_time')
series = obs[col]
series._metadata = dict(
station=row.get('station_id'),
station_name=row.get('name'),
station_code=str(row.get('station_id').split(':')[-1]),
sensor=row.get('sensor_id'),
lon=row.get('longitude (degree)'),
lat=row.get('latitude (degree)'),
depth=row.get('depth (m)'),
)
data.append(series)
# Clean the table.
table = dict(
station_name = [s._metadata.get('station_name') for s in data],
station_code = [s._metadata.get('station_code') for s in data],
sensor = [s._metadata.get('sensor') for s in data],
lon = [s._metadata.get('lon') for s in data],
lat = [s._metadata.get('lat') for s in data],
depth = [s._metadata.get('depth', 'NA') for s in data],
)
table = pd.DataFrame(table).set_index('station_name')
if verbose:
print('Collector offerings')
print('{}: {} offerings'.format(title, len(ofrs)))
return data, table
if not is_station(url):
non_stations.append(url)
except (IOError, OSError, RuntimeError, TimeoutError) as e:
print("Could not access URL {}.html\n{!r}".format(url, e))
dap_urls = non_stations
print(fmt(" Filtered DAP "))
for url in dap_urls:
print("{}.html".format(url))
Now we can use `pyoos` collectors for `NdbcSos`,
from pyoos.collectors.ndbc.ndbc_sos import NdbcSos
collector_ndbc = NdbcSos()
collector_ndbc.set_bbox(config["region"]["bbox"])
collector_ndbc.end_time = config["date"]["stop"]
collector_ndbc.start_time = config["date"]["start"]
collector_ndbc.variables = [config["sos_name"]]
ofrs = collector_ndbc.server.offerings
title = collector_ndbc.server.identification.title
print(fmt(" NDBC Collector offerings "))
print("{}: {} offerings".format(title, len(ofrs)))
import pandas as pd
from ioos_tools.ioos import collector2table
ndbc = collector2table(
# <markdowncell>
# #### SOS - Get most recent observations from all stations in bounding box
# <codecell>
start_time = dt.datetime.strptime(start_date, '%Y-%m-%d %H:%M')
end_time = dt.datetime.strptime(end_date, '%Y-%m-%d %H:%M')
iso_start = start_time.strftime('%Y-%m-%dT%H:%M:%SZ')
iso_end = end_time.strftime('%Y-%m-%dT%H:%M:%SZ')
print "Date: ", iso_start, " to ", iso_end
box_str = ','.join(str(e) for e in bounding_box)
collector = NdbcSos()
collector.variables = data_dict["waves"]["sos_name"]
collector.server.identification.title
# Don't specify start and end date in the filter and the most recent observation will be returned
collector.filter(bbox=bounding_box, variables=data_dict["waves"]["sos_name"])
response = collector.raw(responseFormat="text/csv")
obs_loc_df = pd.read_csv(BytesIO(response.encode('utf-8')),
parse_dates=True,
index_col='date_time')
# <codecell>
obs_loc_df.head()