Source code for satpy.readers.agri_l1

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2022 Satpy developers
# This file is part of satpy.
# satpy 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.
# satpy 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
# satpy.  If not, see <>.
"""Advanced Geostationary Radiation Imager reader for the Level_1 HDF format.

The files read by this reader are described in the official Real Time Data Service:


import logging

from satpy.readers.fy4_base import FY4Base

logger = logging.getLogger(__name__)

[docs]class HDF_AGRI_L1(FY4Base): """AGRI l1 file handler.""" def __init__(self, filename, filename_info, filetype_info): """Init filehandler.""" super(HDF_AGRI_L1, self).__init__(filename, filename_info, filetype_info) self.sensor = 'AGRI'
[docs] def get_dataset(self, dataset_id, ds_info): """Load a dataset.""" ds_name = dataset_id['name'] logger.debug('Reading in get_dataset %s.', ds_name) file_key = ds_info.get('file_key', ds_name) if self.PLATFORM_ID == 'FY-4B': if self.CHANS_ID in file_key: file_key = f'Data/{file_key}' elif self.SUN_ID in file_key or self.SAT_ID in file_key: file_key = f'Navigation/{file_key}' data = self.get(file_key) if data.ndim >= 2: data = data.rename({data.dims[-2]: 'y', data.dims[-1]: 'x'}) data = self.calibrate(data, ds_info, ds_name, file_key) self.adjust_attrs(data, ds_info) return data
[docs] def adjust_attrs(self, data, ds_info): """Adjust the attrs of the data.""" satname = self.PLATFORM_NAMES.get(self['/attr/Satellite Name'], self['/attr/Satellite Name']) data.attrs.update({'platform_name': satname, 'sensor': self['/attr/Sensor Identification Code'].lower(), 'orbital_parameters': { 'satellite_nominal_latitude': self['/attr/NOMCenterLat'].item(), 'satellite_nominal_longitude': self['/attr/NOMCenterLon'].item(), 'satellite_nominal_altitude': self['/attr/NOMSatHeight'].item()}}) data.attrs.update(ds_info) # remove attributes that could be confusing later data.attrs.pop('FillValue', None) data.attrs.pop('Intercept', None) data.attrs.pop('Slope', None)