def __init__(self, bandname, satname='himawari8'):
"""
"""
self.satname = satname
self.bandname = bandname
self.filenames = {}
self.rsr = None
conf = get_config()
options = {}
for option, value in conf.items(self.satname + '-ahi', raw=True):
options[option] = value
for option, value in conf.items('general', raw=True):
options[option] = value
self.output_dir = options.get('rsr_dir', './')
self._get_bandfilenames(**options)
LOG.debug("Filenames: " + 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))
# To be compatible with VIIRS....
self.filename = self.requested_band_filename
def __init__(self, platform_name, instrument):
self.platform_name = platform_name
self.instrument = instrument
self.filename = None
self.rsr = {}
self.description = "Unknown"
self.band_names = None
self.unit = '1e-6 m'
self.si_scale = 1e-6 # How to scale the wavelengths to become SI unit
self._wavespace = WAVL
conf = get_config()
options = {}
for option, value in conf.items('general', raw=True):
options[option] = value
# Try fix instrument naming
instr = INSTRUMENTS.get(platform_name, instrument)
if instr != instrument:
instrument = instr
LOG.warning("Inconsistent instrument/satellite input - " +
"instrument set to %s", instrument)
instrument = instrument.replace('/', '')
rsr_dir = options['rsr_dir']
self.filename = expanduser(os.path.join(rsr_dir, 'rsr_%s_%s.h5' %
(instrument, platform_name)))
LOG.debug('Filename: %s', str(self.filename))
if not os.path.exists(self.filename) or not os.path.isfile(self.filename):
# Try download from the internet!
LOG.warning("No rsr file %s on disk", self.filename)
if 'download_from_internet' in options and options['download_from_internet'] == 'True':
LOG.info("Will download from internet...")
download_rsr()
if not os.path.exists(self.filename) or not os.path.isfile(self.filename):
raise IOError('pyspectral RSR file does not exist! Filename = ' +
str(self.filename) +
'\nFiles matching instrument and satellite platform' +
': ' +
str(glob(os.path.join(rsr_dir, '*%s*%s*.h5' %
(instrument, platform_name)))))
self.load()
def __init__(self, bandname, platform_name='Suomi-NPP'):
"""Init"""
self.platform_name = platform_name
self.bandname = bandname
self.filename = None
self.rsr = None
conf = get_config()
options = {}
for option, value in conf.items('viirs', raw=True):
options[option] = value
for option, value in conf.items('general', raw=True):
options[option] = value
self.output_dir = options.get('rsr_dir', './')
self._get_bandfile(**options)
LOG.debug("Filename: %s", str(self.filename))
self._load()
def __init__(self, wavespace='wavelength'):
"""
Read the seviri relative spectral responses for all channels and all
MSG satellites.
Optional input: 'wavespace'. Equals 'wavelength' (units of micron's) on
default. Can be 'wavenumber' in which case the unit is in cm-1.
"""
conf = get_config()
options = {}
for option, value in conf.items('seviri', raw=True):
options[option] = value
self.seviri_path = options.get('path')
if not os.path.exists(self.seviri_path):
self.seviri_path = os.path.join(DATA_PATH, options.get('filename'))
for option, value in conf.items('general', raw=True):
options[option] = value
self.output_dir = options.get('rsr_dir', './')
self.rsr = None
self._load()
self.wavespace = wavespace
if wavespace not in ['wavelength', 'wavenumber']:
raise AttributeError("wavespace has to be either " +
"'wavelength' or 'wavenumber'!")
self.unit = 'micrometer'
if wavespace == 'wavenumber':
# Convert to wavenumber:
self.convert2wavenumber()
self.central_wavenumber = None
self.central_wavelength = None
self.get_centrals()
def __init__(self, bandname, platform_name, sort=True):
"""Init Modis RSR
"""
self.platform_name = platform_name
self.bandname = bandname
self.filenames = {}
self.requested_band_filename = None
self.is_sw = False
if bandname in SHORTWAVE_BANDS:
self.is_sw = True
self.scales = {}
for bname in MODIS_BAND_NAMES:
self.filenames[bname] = None
self.rsr = None
self._sort = sort
conf = get_config()
options = {}
for option, value in conf.items(self.platform_name + '-modis',
raw=True):
options[option] = value
for option, value in conf.items('general', raw=True):
options[option] = value
self.output_dir = options.get('rsr_dir', './')
self._get_bandfilenames(**options)
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))
def __init__(self, platform_name, instrument, band,
solar_flux=None, **kwargs):
"""Init"""
super(Calculator, self).__init__(platform_name, instrument,
band, method=1, **kwargs)
self.bandname = None
self.bandwavelength = None
if isinstance(band, str):
self.bandname = BANDNAMES.get(band, band)
elif isinstance(band, (int, long, float)):
self.bandwavelength = band
if self.bandname is None:
epsilon = 0.1
channel_list = [channel for channel in self.rsr if abs(
self.rsr[channel]['det-1']['central_wavelength'] - self.bandwavelength) < epsilon]
self.bandname = BANDNAMES.get(channel_list[0], channel_list[0])
options = {}
conf = get_config()
for option, value in conf.items(platform_name + '-' + instrument,
raw=True):
options[option] = value
if solar_flux is None:
self._get_solarflux()
else:
self.solar_flux = solar_flux
self._rad3x = None
self._rad3x_t11 = None
self._solar_radiance = None
self._rad3x_correction = 1.0
self._r3x = None
self._e3x = None
if 'detector' in kwargs:
self.detector = kwargs['detector']
else:
self.detector = 'det-1'
resp = self.rsr[self.bandname][self.detector]['response']
wv_ = self.rsr[self.bandname][self.detector][self.wavespace]
self.rsr_integral = np.trapz(resp, wv_)
if 'tb2rad_lut_filename' in options:
self.lutfile = options['tb2rad_lut_filename']
if not self.lutfile.endswith('.npz'):
self.lutfile = self.lutfile + '.npz'
if not os.path.exists(os.path.dirname(self.lutfile)):
LOG.warning(
"Directory %s does not exist! Check config file" % os.path.dirname(self.lutfile))
self.lutfile = os.path.join(
'/tmp', os.path.basename(self.lutfile))
LOG.info("lut filename: " + str(self.lutfile))
if not os.path.exists(self.lutfile):
self.make_tb2rad_lut(self.bandname,
self.lutfile)
self.lut = self.read_tb2rad_lut(self.lutfile)
LOG.info("LUT file created")
else:
self.lut = self.read_tb2rad_lut(self.lutfile)
LOG.info("File was there and has been read!")
else:
LOG.info("No lut filename available in config file. "
"No lut will be used")
self.lutfile = None
self.lut = None