def _get_filename(self):
"""Get the rsr filname from platform and instrument names, and download if not
available.
"""
self.filename = expanduser(
os.path.join(self.rsr_dir, 'rsr_{0}_{1}.h5'.format(self.instrument,
self.platform_name)))
LOG.debug('Filename: %s', str(self.filename))
if not os.path.exists(self.filename) or not os.path.isfile(self.filename):
LOG.warning("No rsr file %s on disk", self.filename)
if self._rsr_data_version_uptodate:
LOG.info("RSR data up to date, so seems there is no support for this platform and sensor")
else:
# Try download from the internet!
if self.do_download:
LOG.info("Will download from internet...")
download_rsr()
if self._get_rsr_data_version() == RSR_DATA_VERSION:
self._rsr_data_version_uptodate = True
if not self._rsr_data_version_uptodate:
LOG.warning("rsr data may not be up to date: %s", self.filename)
if self.do_download:
LOG.info("Will download from internet...")
download_rsr()
def check_and_download(**kwargs):
"""Do a check for the version and attempt downloading only if needed."""
dry_run = kwargs.get('dry_run', False)
dest_dir = kwargs.get('dest_dir', None)
rsr = RSRDataBaseClass()
if rsr.rsr_data_version_uptodate:
LOG.info("RSR data already the latest!")
else:
if dest_dir:
download_rsr(dest_dir=dest_dir, dry_run=dry_run)
else:
download_rsr(dry_run=dry_run)
def check_and_download(**kwargs):
"""Do a check for the version and attempt downloading only if needed"""
dry_run = kwargs.get('dry_run', False)
dest_dir = kwargs.get('dest_dir', None)
rsr = RSRDataBaseClass()
if rsr.rsr_data_version_uptodate:
LOG.info("RSR data already the latest!")
else:
if dest_dir:
download_rsr(dest_dir=dest_dir, dry_run=dry_run)
else:
download_rsr(dry_run=dry_run)
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 _get_filename(self):
"""Get the rsr filname from platform and instrument names, and download if not
available.
"""
self.filename = expanduser(
os.path.join(
self.rsr_dir, 'rsr_{0}_{1}.h5'.format(self.instrument,
self.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 self.do_download:
LOG.info("Will download from internet...")
download_rsr()
import argparse
from pyspectral.utils import download_rsr
from pyspectral.utils import logging_on, logging_off
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='Download relative spectral response data in hdf5')
parser.add_argument("-o", "--destination", help=("Destination path where to store the files"),
default=None, type=str)
parser.add_argument(
"-d", '--dry_run', help=("Dry run - no action"), action='store_true',
default=False)
parser.add_argument(
"-v", '--verbose', help=("Turn logging on"), action='store_true')
args = parser.parse_args()
dest_dir = args.destination
verbose = args.verbose
dry_run = args.dry_run
if verbose:
logging_on(logging.DEBUG)
else:
logging_off()
if dest_dir:
download_rsr(dest_dir=dest_dir, dry_run=dry_run)
else:
download_rsr(dry_run=dry_run)
def download_pyspectral_luts():
print("Downloading lookup tables used by pyspectral...")
from pyspectral.utils import download_luts, download_rsr
download_luts()
download_rsr()
return True
def setup_cache(self):
"""Fetch the data files."""
from satpy.demo import download_typhoon_surigae_ahi
download_typhoon_surigae_ahi(channels=[1, 2, 3, 4], segments=[4])
download_rsr()
download_luts(aerosol_type='rayleigh_only')
#!/usr/bin/env python # -*- coding: utf-8 -*- # I waive copyright and related rights in the this work worldwide # through the CC0 1.0 Universal public domain dedication. # https://creativecommons.org/publicdomain/zero/1.0/legalcode # Author(s): # Tom Parker <*****@*****.**> """ Retrieve luts """ import pyspectral.utils as utils utils.download_luts() utils.download_rsr()
