satpy.readers.aapp_l1b module

Reader for aapp level 1b data.

Options for loading:

  • pre_launch_coeffs (False): use pre-launch coefficients if True, operational otherwise (if available).

class satpy.readers.aapp_l1b.AAPPL1BaseFileHandler(filename, filename_info, filetype_info)[source]

Bases: BaseFileHandler

A base file handler for the AAPP level-1 formats.

Initialize AAPP level-1 file handler object.

property end_time

Get the time of the final observation.

get_dataset(key, info)[source]

Get a dataset from the file.


Read the data.

property start_time

Get the time of the first observation.

class satpy.readers.aapp_l1b.AVHRRAAPPL1BFile(filename, filename_info, filetype_info)[source]

Bases: AAPPL1BaseFileHandler

Reader for AVHRR L1B files created from the AAPP software.

Initialize object information by reading the input file.


Get the available datasets.

calibrate(dataset_id, pre_launch_coeffs=False, calib_coeffs=None)[source]

Calibrate the data.


Get sun-satellite viewing angles.


Get the longitudes and latitudes of the scene.


Create an xarray.DataArray.


Get chunks from a given shape adapted for AAPP data.

satpy.readers.aapp_l1b.get_avhrr_lac_chunks(shape, dtype)[source]

Get chunks from a given shape adapted for full-resolution AVHRR data.