# Climate indicator manager - a package for managing and building climate indicator dashboards.
# Copyright (c) 2024 John Kennedy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from pathlib import Path
from typing import List
import xarray as xa
import numpy as np
import climind.data_types.timeseries as ts
import climind.data_types.grid as gd
from climind.data_manager.metadata import CombinedMetadata
from climind.readers.generic_reader import read_ts
[docs]
def read_annual_ts(filename: List[Path], metadata: CombinedMetadata) -> ts.TimeSeriesAnnual:
years = []
anomalies = []
with open(filename[0], 'r') as f:
# burn first ten lines
header_length = 10
if metadata['variable'] in ['ozone_hole', 'ozone_minimum']:
header_length = 9
for i in range(header_length):
f.readline()
for line in f:
columns = line.split()
year = columns[0]
if metadata['variable'] == 'max_ozone_hole':
anomaly = columns[2]
elif metadata['variable'] == 'min_ozone_minimum':
anomaly = columns[4]
elif metadata['variable'] == 'ozone_minimum':
anomaly = columns[2]
elif metadata['variable'] == 'ozone_hole':
anomaly = columns[1]
years.append(int(year))
anomalies.append(float(anomaly))
metadata.creation_message()
return ts.TimeSeriesAnnual(years, anomalies, metadata=metadata)