1.5.1.1.7.1.11. polar2grid.readers.avhrr_l1b_aapp module

The AVHRR reader is for reading AAPP L1B files for the AVHRR instrument.

These files are a custom binary format. The reader can be specified with the polar2grid.sh command using the avhrr or avhrr_l1b_aapp reader name.

This reader’s default resampling algorithm is ewa for Elliptical Weighted Averaging resampling. The --weight-delta-max option is set to 10 and --weight-distance-max is set to 1.

The AVHRR reader provides the following products:

Product Name	Description
band1_vis	Band 1 Visible
band2_vis	Band 2 Visible
band3a_vis	Band 3A Visible
band3b_bt	Band 3B Brightness Temperature
band4_vis	Band 4 Brightness Temperature
band5_vis	Band 5 Brightness Temperature

class polar2grid.readers.avhrr_l1b_aapp.ReaderProxy(scn: Scene, user_products: list[str])

Bases: ReaderProxyBase

Provide Polar2Grid-specific information about this reader’s products.

property _aliases: dict[str, satpy.dataset.dataid.DataQuery]

get_all_products() → list[str]

Get all polar2grid products that could be loaded.

get_default_products() → list[str]

Get products to load if users hasn’t specified any others.

is_polar2grid_reader: bool = True

polar2grid.readers.avhrr_l1b_aapp.add_reader_argument_groups(parser: ArgumentParser, group: Optional[_ArgumentGroup] = None) → tuple[Optional[argparse._ArgumentGroup], Optional[argparse._ArgumentGroup]]

Add reader-specific command line arguments to an existing argument parser.

If group is provided then arguments are added to this group. If not, a new group is added to the parser and arguments added to this new group.