get_radiance

ASTERimage.get_radiance(channel)[source]

Get ASTER radiance values.

Read digital numbers from ASTER L1B file and convert them to spectral radiance values in [W m-2 sr-1 um-1] at TOA by means of unit conversion coefficients ucc [W m-2 sr-1 um-1] and the gain settings at the sensor.

See also

read_digitalnumbers(): Reads the raw digital numbers from: ASTER L1B HDF4 files.

Parameters:: channel – ASTER channel number. ‘1’, ‘2’, ‘3N’, ‘3B’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’, ‘10’, ‘11’, ‘12’, ‘13’, ‘14’.

References

M. Abrams, S. H., & Ramachandran, B. (2002). Aster user handbook version 2, p.25 [Computer software manual]. Retrieved 2017-05-25, from https://asterweb.jpl.nasa.gov/content/03 data/04 Documents/ aster user guide v2.pdf.