themis atm corr

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Description

themis_atm_corr() - Perform atmospheric correction for THEMIS radcorred radiance images on TES covered area automatically. Requires a THEMIS radiance image after standard processing steps saved as “IXXXXXXXX.cub”.

Arguments and Return Values

Arguments: A THEMIS image ID with radcorred radiance image, overlying TES pixels from themis_tes_overlay() function, atmosphere and mineral library

Return Value: A structure containing surface emissivity and the corresponding atmospheric opaicity spectrum for TES covered area

Usage

Syntax: themis_atm_corr(id, tes [,minlib=STRING] [,atmlib=STRING])

'id' - A string of THEMIS id in the form of IXXXXXXXX

'tes' – overlying TES data with necessary information

'minlib' – surface mineral library. Default $DV_SCRIPTS_FILES/themis_atm_support/THEMIS_ATM_mineral_library.hdf

'atmlib' – 73 channel atmosphere library. Default $DV_SCRIPTS_FILES/themis_atm_support/TES_atmlib_73channel.hdf

Examples

dv > tes
struct, 9 elements
   wkt: Text Buffer with 1104 lines of text
   tesx: 1x1x143 array of float, bsq format [572 bytes]
   tesx73: 1x1x73 array of float, bsq format [292 bytes]
   emi: 1104x1x143 array of float, bsq format [631,488 bytes]
   emi73: 1104x1x73 array of float, bsq format [322,368 bytes]
   ock: 1104x1x1 array of short, bsq format [2,208 bytes]
   ick: 1104x1x1 array of short, bsq format [2,208 bytes]
   det: 1104x1x1 array of byte, bsq format [1,104 bytes]
   ock_ick_det: 4x1104x1 array of int, bsq format [17,664 bytes]
dv> surf = themis_atm_corr(“I38360010”, tes)
struct, 4 elements
   atm: 1104x1x9 array of float, bsq format [13,140 bytes]
   surf: 614x1818x9 array of float, bsq format [40,185,072 bytes]
   tes_surf: 1104x1x73 array of double, bsq format [213,160 bytes]
   xaxis: 1x1x9 array of float, bsq format [36 bytes]

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Recent Library Changes

Created On: 06-20-2022
Modified On: 06-20-2022

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