Source code for satpy.readers.amsr2_l2

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2020 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 <>.
"""Reader for AMSR2 L2 files in HDF5 format."""

from satpy.readers.amsr2_l1b import AMSR2L1BFileHandler

[docs] class AMSR2L2FileHandler(AMSR2L1BFileHandler): """AMSR2 level 2 file handler."""
[docs] def mask_dataset(self, ds_info, data): """Mask data with the fill value.""" fill_value = ds_info.get("fill_value", 65535) return data.where(data != fill_value)
[docs] def scale_dataset(self, var_path, data): """Scale data with the scale factor attribute.""" return data * self[var_path + "/attr/SCALE FACTOR"]
[docs] def get_dataset(self, ds_id, ds_info): """Get output data and metadata of specified dataset.""" var_path = ds_info["file_key"] data = self[var_path].squeeze() data = self.mask_dataset(ds_info, data) data = self.scale_dataset(var_path, data) if ds_info.get("name") == "ssw": data = data.rename({"dim_0": "y", "dim_1": "x"}) metadata = self.get_metadata(ds_id, ds_info) data.attrs.update(metadata) return data