1.5.1.1.7.1.26. polar2grid.readers.virr_l1b module

The VIRR Level 1B reader operates on Level 1B (L1B) HDF5 files.

Files usually have the following naming scheme:

tf2018343030324.FY3C-L_VIRRX_L1B.HDF or tf2018343092538.FY3B-L_VIRRX_L1B.HDF the numbers at the start are year julian-day hour minute seconds

This reader’s default resampling algorithm is ewa for Elliptical Weighted Averaging resampling. The --fornav-D parameter is set to 40 and the --fornav-d parameter is set to 1.

Product Name

Description

Central Wavelength (um)

1

Channel 1 Reflectance Band

0.63

2

Channel 2 Reflectance Band

0.865

3

Channel 3 Emissive Band

3.74

4

Channel 4 Emissive Band

10.8

5

Channel 5 Emissive Band

12.0

6

Channel 6 Reflectance Band

1.60

7

Channel 7 Reflectance Band

0.455

8

Channel 8 Reflectance Band

0.505

9

Channel 9 Reflectance Band

0.555

10

Channel 10 Reflectance Band

1.36

true_color

Ratio sharpened rayleigh corrected true color

N/A

class polar2grid.readers.virr_l1b.ReaderProxy(scn: Scene, user_products: list[str])[source]

Bases: ReaderProxyBase

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

property _aliases: dict
get_all_products() list[str][source]

Get all polar2grid products that could be loaded.

get_default_products() list[str][source]

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

is_polar2grid_reader: bool = True
polar2grid.readers.virr_l1b.add_reader_argument_groups(parser: ArgumentParser, group: _ArgumentGroup | None = None) tuple[_ArgumentGroup | None, _ArgumentGroup | None][source]

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