get_reflectance

ASTERimage.get_reflectance(channel)[source]

Get ASTER L1B reflectance values at TOA.

Spectral radiance values are converted to reflectance values for ASTER’s near-infrared and short-wave channels (1-9).

See also

get_radiance(): Reads the raw digital numbers from

ASTER L1B HDF4 files and converts them to radiance values at TOA.

Parameters:

channel (str) – ASTER channel number. ‘1’, ‘2’, ‘3N’, ‘3B’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’.

Returns:

Reflectance values at TOA. Shape according to data

resolution of the respective channel.

Return type:

ndarray