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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2016 - 2018 PyTroll community
# Author(s):
# Adam.Dybbroe <adam.dybbroe@smhi.se>
# 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/>.
"""Reading the original raw GOES-R ABI spectral responses and generating the
internal pyspectral formatet hdf5.
https://ncc.nesdis.noaa.gov/GOESR/ABI.php
"""
import os
import numpy as np
from pyspectral.utils import convert2hdf5 as tohdf5
from pyspectral.raw_reader import InstrumentRSR
import logging
LOG = logging.getLogger(__name__)
ABI_BAND_NAMES = ['ch1', 'ch2', 'ch3', 'ch4',
'ch5', 'ch6', 'ch7', 'ch8',
'ch9', 'ch10', 'ch11', 'ch12',
'ch13', 'ch14', 'ch15', 'ch16']
class AbiRSR(InstrumentRSR):
"""Class for GOES-R ABI RSR"""
def __init__(self, bandname, platform_name):
"""
Read the GOES-R ABI relative spectral responses for all channels.
"""
super(AbiRSR, self).__init__(bandname, platform_name,
ABI_BAND_NAMES)
self.instrument = 'abi'
self._get_options_from_config()
self._get_bandfilenames()
LOG.debug("Filenames: %s", str(self.filenames))
if os.path.exists(self.filenames[bandname]):
self.requested_band_filename = self.filenames[bandname]
self._load()
else:
raise IOError("Couldn't find an existing file for this band: " +
str(self.bandname))
self.filename = self.requested_band_filename
def _load(self, scale=1.0):
"""Load the ABI relative spectral responses
"""
LOG.debug("File: %s", str(self.requested_band_filename))
data = np.genfromtxt(self.requested_band_filename,
unpack=True,
names=['wavelength',
'wavenumber',
'response'],
skip_header=2)
wvl = data['wavelength'] * scale
resp = data['response']
self.rsr = {'wavelength': wvl, 'response': resp}
def main():
"""Main"""
for platform_name in ['GOES-16', 'GOES-17', ]:
tohdf5(AbiRSR, platform_name, ABI_BAND_NAMES)
if __name__ == "__main__":
main()
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