1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2022 Pytroll developers
#
#
# 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/>.
"""Read the Arctica-M N1 MSU-GS/A spectral response functions.
Data from Roshydromet via personal communication.
"""
import logging
import pandas as pd
from pyspectral.config import get_config
from pyspectral.raw_reader import InstrumentRSR
from pyspectral.utils import convert2hdf5 as tohdf5
LOG = logging.getLogger(__name__)
# Names of the individual bands
MSUGSA_BAND_NAMES = ['ch1', 'ch2', 'ch3', 'ch4', 'ch5',
'ch6', 'ch7', 'ch8', 'ch9', 'ch10']
# Set up VIS and IR bands, needed for selecting sheet in RSR file
VISBANDS = {'ch1', 'ch2', 'ch3'}
IRBANDS = {'ch4', 'ch5', 'ch6', 'ch7', 'ch8', 'ch9', 'ch10'}
#: Default time format
_DEFAULT_TIME_FORMAT = '%Y-%m-%d %H:%M:%S'
#: Default log format
_DEFAULT_LOG_FORMAT = '[%(levelname)s: %(asctime)s : %(name)s] %(message)s'
class MsugsaRSR(InstrumentRSR):
"""Container for the Arctica-M-N1 MSU-GS/A relative spectral response data."""
def __init__(self, bandname, platform_name):
"""Initialize the MSU-GS/A RSR class."""
super(MsugsaRSR, self).__init__(
bandname, platform_name, MSUGSA_BAND_NAMES)
self.instrument = 'msu-gsa'
self.platform_name = platform_name
options = get_config()
self.msugsa_path = options[
self.platform_name + '-' + self.instrument].get('path')
self.output_dir = options.get('rsr_dir', './')
self._load()
def _load(self, scale=10000.0):
"""Load the MSU-GS/A RSR data for the band requested."""
detectors = {}
# The Arctica satellites have two instruments on them. Pyspectral isn't set up
# to handle this, so instead we call them separate detectors.
for detnum in (1, 2):
if self.bandname in VISBANDS:
data = pd.read_excel(self.msugsa_path, sheet_name=f'MSU-{detnum} vis', skiprows=2,
names=['wvl', 'ch1', 'ch2', 'ch3'])
elif self.bandname in IRBANDS:
data = pd.read_excel(self.msugsa_path, sheet_name=f'MSU-{detnum} IR', skiprows=2,
names=['wvl', 'ch4', 'ch5', 'ch6', 'ch7', 'ch8', 'ch9', 'ch10'])
else:
raise KeyError(f"{self.bandname} is not a valid VIS or IR band!")
wavelength = data['wvl']
response = data[self.bandname]
detectors[f'det-{detnum}'] = {'wavelength': wavelength, 'response': response}
self.rsr = detectors
if __name__ == "__main__":
import sys
LOG = logging.getLogger('msu_gsa_rsr')
handler = logging.StreamHandler(sys.stderr)
formatter = logging.Formatter(fmt=_DEFAULT_LOG_FORMAT,
datefmt=_DEFAULT_TIME_FORMAT)
handler.setFormatter(formatter)
handler.setLevel(logging.DEBUG)
LOG.setLevel(logging.DEBUG)
LOG.addHandler(handler)
for platform_name in ['Arctica-M-N1', ]:
tohdf5(MsugsaRSR, platform_name, MSUGSA_BAND_NAMES, detectors=['det-1', 'det-2'])
|
