def load(self, time_stamp, channel, **kwarg):
if channel not in self._config_reader.channel_names:
raise mipp.ReaderError("unknown channel name '%s'" % channel)
opt = self._config_reader('level1')
val = {}
val["channel"] = channel + '*'
# Prologue
val["segment"] = "PRO".ljust(9, '_')
filename_pro = opt.get('filename_pro', opt['filename'])
prologue = glob.glob(opt['dir'] + '/' + \
(time_stamp.strftime(filename_pro)%val))
if not prologue:
raise mipp.NoFiles("missing prologue file: '%s'" %
(time_stamp.strftime(filename_pro) % val))
prologue = prologue[0]
# Regular channels
val["segment"] = "0????????"
image_files = glob.glob(opt['dir'] + '/' + \
time_stamp.strftime(opt['filename'])%val)
if not image_files:
raise mipp.NoFiles("no data files: '%s'" %
(time_stamp.strftime(opt['filename']) % val))
image_files.sort()
# Check if the files are xrit-compressed, and decompress them
# accordingly:
decomp_files = decompress(image_files)
logger.info("Read %s" % prologue)
prologue = _xrit.read_prologue(prologue)
# Epilogue
val["segment"] = "EPI".ljust(9, '_')
filename_epi = opt.get('filename_epi', opt['filename'])
epilogue = glob.glob(opt['dir'] + '/' + \
(time_stamp.strftime(filename_epi)%val))
if not epilogue:
logger.info("No epilogue file to read.")
else:
epilogue = epilogue[0]
logger.info("Read %s" % epilogue)
epilogue = _xrit.read_epilogue(epilogue)
return self.load_files(prologue,
decomp_files,
epilogue=epilogue,
**kwarg)
return self.load_files(prologue, decomp_files, **kwarg)
def load_files(prologue, image_files, epilogue=None, **kwarg):
if type(prologue) == type('string'):
logger.info("Read %s" % prologue)
prologue = _xrit.read_prologue(prologue)
if epilogue and type(epilogue) == type('string'):
logger.info("Read %s" % epilogue)
epilogue = _xrit.read_epilogue(epilogue)
satname = prologue.platform.lower()
return SatelliteLoader(mipp.cfg.read_config(satname)).load_files(
prologue, image_files, epilogue=epilogue, **kwarg)
def load_files(prologue, image_files, epilogue=None, **kwarg):
if type(prologue) == type('string'):
logger.info("Read %s"%prologue)
prologue = _xrit.read_prologue(prologue)
if epilogue and type(epilogue) == type('string'):
logger.info("Read %s"%epilogue)
epilogue = _xrit.read_epilogue(epilogue)
satname = prologue.platform.lower()
return SatelliteLoader(mipp.cfg.read_config(satname)).load_files(prologue,
image_files,
epilogue=epilogue,
**kwarg)
def load(self, time_stamp, channel, **kwarg):
if channel not in self._config_reader.channel_names:
raise mipp.ReaderError("unknown channel name '%s'"%channel)
opt = self._config_reader('level1')
val = {}
val["channel"] = channel + '*'
# Prologue
val["segment"] = "PRO".ljust(9, '_')
filename_pro = opt.get('filename_pro', opt['filename'])
prologue = glob.glob(opt['dir'] + '/' + \
(time_stamp.strftime(filename_pro)%val))
if not prologue:
raise mipp.NoFiles("missing prologue file: '%s'"%(time_stamp.strftime(filename_pro)%val))
prologue = prologue[0]
# Regular channels
val["segment"] = "0????????"
image_files = glob.glob(opt['dir'] + '/' + \
time_stamp.strftime(opt['filename'])%val)
if not image_files:
raise mipp.NoFiles("no data files: '%s'"%(time_stamp.strftime(opt['filename'])%val))
image_files.sort()
# Check if the files are xrit-compressed, and decompress them
# accordingly:
decomp_files = decompress(image_files)
logger.info("Read %s" % prologue)
prologue = _xrit.read_prologue(prologue)
# Epilogue
val["segment"] = "EPI".ljust(9, '_')
filename_epi = opt.get('filename_epi', opt['filename'])
epilogue = glob.glob(opt['dir'] + '/' + \
(time_stamp.strftime(filename_epi)%val))
if not epilogue:
logger.info("No epilogue file to read.")
else:
epilogue = epilogue[0]
logger.info("Read %s" % epilogue)
epilogue = _xrit.read_epilogue(epilogue)
return self.load_files(prologue, decomp_files,
epilogue=epilogue, **kwarg)
return self.load_files(prologue, decomp_files, **kwarg)
def load_files(prologue, image_files, epilogue=None, **kwarg):
if isinstance(prologue, (str, six.text_type)):
logger.info("Read %s", prologue)
prologue = _xrit.read_prologue(prologue)
if epilogue and isinstance(epilogue, (str, six.text_type)):
logger.info("Read %s", epilogue)
epilogue = _xrit.read_epilogue(epilogue)
satname = kwarg.pop('platform_name', None)
if satname is None:
satname = prologue.platform
return SatelliteLoader(mipp.cfg.read_config(satname)).load_files(
prologue, image_files, epilogue=epilogue, **kwarg)
def load_files(prologue, image_files, epilogue=None, **kwarg):
if isinstance(prologue, (str, six.text_type)):
logger.info("Read %s", prologue)
prologue = _xrit.read_prologue(prologue)
if epilogue and isinstance(epilogue, (str, six.text_type)):
logger.info("Read %s", epilogue)
epilogue = _xrit.read_epilogue(epilogue)
satname = kwarg.pop('platform_name', None)
if satname is None:
satname = prologue.platform
return SatelliteLoader(mipp.cfg.read_config(satname)).load_files(prologue,
image_files,
epilogue=epilogue,
**kwarg)
def read_obstimes(epilogue):
"""Get the start and end full disk scan times from the Epilogue file."""
epi = _xrit.read_epilogue(epilogue)
fpt = StringIO(epi.data)
ftr = read_epiheader(fpt)
return (ftr['ForwardScanStart'], ftr['ForwardScanEnd'])
return md
def read_obstimes(epilogue):
"""Get the start and end full disk scan times from the Epilogue file."""
epi = _xrit.read_epilogue(epilogue)
fpt = StringIO(epi.data)
ftr = read_epiheader(fpt)
return (ftr['ForwardScanStart'], ftr['ForwardScanEnd'])
def read_scanline_quality(segment_filename):
"""Get the line quality data from the segment file. This is from the
ImageSegmentLineQuality class of the _xrit module, which maps the Header
Type 129 - Image Segment Line Quality as decribed in the 'MSG Ground
Segment LRIT/HRIT Mission Specific Implementation, EUM/MSG/SPE/057'
document, see reference below.
This record contains the scan line mean acquisition times
http://www.eumetsat.int/website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_TEN_05057_SPE_MSG_LRIT_HRI&RevisionSelectionMethod=LatestReleased&Rendition=Web
"""
imgdata = _xrit.read_imagedata(segment_filename)
return imgdata.image_quality.line_quality
if __name__ == '__main__':
p = _xrit.read_prologue(sys.argv[1])
e = _xrit.read_epilogue(sys.argv[-1])
print read_metadata(p, sys.argv[2:-1], e)
def read_obstimes(epilogue):
"""Get the start and end full disk scan times from the Epilogue file."""
epi = _xrit.read_epilogue(epilogue)
fpt = StringIO(epi.data)
ftr = read_epiheader(fpt)
return (ftr['ForwardScanStart'], ftr['ForwardScanEnd'])
def read_obstimes(epilogue):
"""Get the start and end full disk scan times from the Epilogue file."""
epi = _xrit.read_epilogue(epilogue)
fpt = StringIO(epi.data)
ftr = read_epiheader(fpt)
return (ftr['ForwardScanStart'], ftr['ForwardScanEnd'])
def read_scanline_quality(segment_filename):
"""Get the line quality data from the segment file. This is from the
ImageSegmentLineQuality class of the _xrit module, which maps the Header
Type 129 - Image Segment Line Quality as decribed in the 'MSG Ground
Segment LRIT/HRIT Mission Specific Implementation, EUM/MSG/SPE/057'
document, see reference below.
This record contains the scan line mean acquisition times
http://www.eumetsat.int/website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_TEN_05057_SPE_MSG_LRIT_HRI&RevisionSelectionMethod=LatestReleased&Rendition=Web
"""
imgdata = _xrit.read_imagedata(segment_filename)
return imgdata.image_quality.line_quality
if __name__ == '__main__':
p = _xrit.read_prologue(sys.argv[1])
e = _xrit.read_epilogue(sys.argv[-1])
print read_metadata(p, sys.argv[2:-1], e)
def load(self, time_stamp, channel, **kwarg):
if channel not in self._config_reader.channel_names:
raise mipp.ReaderError("unknown channel name '%s'" % channel)
opt = self._config_reader('level1')
val = {}
val["channel"] = channel + '*'
if isinstance(time_stamp, (tuple, list)):
start_time, end_time = time_stamp
else:
start_time = time_stamp
end_time = time_stamp
# Prologue
val["segment"] = "PRO".ljust(9, '_')
filename_pro = opt.get('filename_pro', opt['filename'])
prologue = glob.glob(start_time.strftime(
os.path.join(opt['dir'], filename_pro)) % val)
if not prologue:
logger.info("No prologue file to read.")
prologue = None
else:
prologue = prologue[0]
logger.info("Read %s" % prologue)
prologue = _xrit.read_prologue(prologue)
# Regular channels
val["segment"] = "0??*"
dt = timedelta(minutes=1)
image_files = []
while start_time <= end_time:
image_files.extend(glob.glob(start_time.strftime(
os.path.join(opt['dir'], opt['filename'])) % val))
start_time += dt
if not image_files:
raise mipp.NoFiles("no data files: '%s'" %
(start_time.strftime(opt['filename']) % val))
image_files.sort()
# Check if the files are xrit-compressed, and decompress them
# accordingly:
decomp_files = decompress(image_files)
# Epilogue
val["segment"] = "EPI".ljust(9, '_')
filename_epi = opt.get('filename_epi', opt['filename'])
epilogue = glob.glob(
end_time.strftime(os.path.join(opt['dir'], filename_epi)) % val)
if not epilogue:
logger.info("No epilogue file to read.")
else:
epilogue = epilogue[0]
logger.info("Read %s" % epilogue)
epilogue = _xrit.read_epilogue(epilogue)
return self.load_files(prologue, decomp_files,
epilogue=epilogue, **kwarg)
return self.load_files(prologue, decomp_files, **kwarg)
def load(self, time_stamp, channel, **kwarg):
if channel not in self._config_reader.channel_names:
raise mipp.ReaderError("unknown channel name '%s'" % channel)
opt = self._config_reader('level1')
val = {}
val["channel"] = channel + '*'
if isinstance(time_stamp, (tuple, list)):
start_time, end_time = time_stamp
else:
start_time = time_stamp
end_time = time_stamp
# Prologue
val["segment"] = "PRO".ljust(9, '_')
filename_pro = opt.get('filename_pro', opt['filename'])
prologue = glob.glob(
start_time.strftime(os.path.join(opt['dir'], filename_pro)) % val)
if not prologue:
logger.info("No prologue file to read.")
prologue = None
else:
prologue = prologue[0]
logger.info("Read %s" % prologue)
prologue = _xrit.read_prologue(prologue)
# Regular channels
val["segment"] = "0??*"
dt = timedelta(minutes=1)
image_files = []
while start_time <= end_time:
image_files.extend(
glob.glob(
start_time.strftime(
os.path.join(opt['dir'], opt['filename'])) % val))
start_time += dt
if not image_files:
raise mipp.NoFiles("no data files: '%s'" %
(start_time.strftime(opt['filename']) % val))
image_files.sort()
# Check if the files are xrit-compressed, and decompress them
# accordingly:
decomp_files = decompress(image_files)
# Epilogue
val["segment"] = "EPI".ljust(9, '_')
filename_epi = opt.get('filename_epi', opt['filename'])
epilogue = glob.glob(
end_time.strftime(os.path.join(opt['dir'], filename_epi)) % val)
if not epilogue:
logger.info("No epilogue file to read.")
else:
epilogue = epilogue[0]
logger.info("Read %s" % epilogue)
epilogue = _xrit.read_epilogue(epilogue)
return self.load_files(prologue,
decomp_files,
epilogue=epilogue,
**kwarg)
return self.load_files(prologue, decomp_files, **kwarg)
