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)