SeaDAS Help - Data Processing Tools

modis_L1B

Creates a MODIS Level 1B file from an input Level 1A file.

Location

SeaDAS-Toolobox -> SeaDAS Processors -> MODIS -> modis_L1B

Details

modis_L1B creates a MODIS Level 1B file from an input Level 1A file.

**modis_L1B GUI**

Arguments/Keywords

UI Element Name	Type	Description	Required/Optional	Default Value
ifile	ifile	MODIS_L1A file name	Required
geofile	ifile	L1A GEO file name	Optional	if GEOFILE is not provided, assumed to be basename of L1AFILE + '.GEO'
okm	ofile	Output MODIS L1B 1KM HDF filename	Optional	Derived from the ifile
hkm	ofile	Output MODIS L1B HKM HDF filename	Optional	Derived from the ifile
qkm	ofile	Output MODIS L1B QKM HDF filename	Optional	Derived from the ifile
obc	ofile	Output MODIS L1B OBC HDF filename	Optional	Derived from the ifile
lutver	string	L1B LUT version number	Optional
lutdir	string	Path of directory containing LUT files	Optional
del-okm	boolean	Delete 1km resolution L1B file	Optional	false
del-hkm	boolean	Delete 500m resolution L1B file	Optional	false
del-qkm	boolean	Delete 250m resolution L1B file	Optional	false
keep_obc	boolean	Save onboard calibration file	Optional	false
log	boolean	Save processing log file(s)	Optional	false

Actions/Buttons

UI Element Name	Type	Description
Browser Button	Button	Selects ifile/ofile
Load Parameters ...	Button	Reads in previously saved parameters and populates the fields in GUI.
Store Parameters ...	Button	Saves the current arguments in GUI in a file.
Run	Button	Executes the modis_L1B command with arguments provided in the UI.
Cancel	Button	Closes current processor GUI.
Apply	Button	Makes current arguments effective.
Open in SeaDAS	Checkbox	If selected, the ofile will be added to the open products list right after its generation.
?	Button	Displays the help content of the current command.

Command Line Usage

usage: modis_L1B [-h] [--version] [-p PARFILE] [-o 1KMFILE] [-k HKMFILE]
                 [-q QKMFILE] [-c OBCFILE] [-l LUTVER] [-d LUTDIR] [-x] [-y]
                 [-z] [--keep-obc] [-v] [--log]
                 [L1AFILE] [GEOFILE]

positional arguments:
  L1AFILE               Input L1A file
  GEOFILE               INPUT GEOFILE filename - defaults to basename of
                        L1AFILE +'.GEO'

options:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  -p PARFILE, --parfile PARFILE
                        Parameter file containing program inputs
  -o 1KMFILE, --okm 1KMFILE
                        Output L1B 1KM filename - defaults to
                        '(A|T)YYYYDDDHHMMSS.L1B_LAC'
  -k HKMFILE, --hkm HKMFILE
                        Output MODIS L1B HKM HDF filename
  -q QKMFILE, --qkm QKMFILE
                        Output MODIS L1B QKM HDF filename
  -c OBCFILE, --obc OBCFILE
                        Output MODIS L1B OBC HDF filename
  -l LUTVER, --lutver LUTVER
                        L1B LUT version number
  -d LUTDIR, --lutdir LUTDIR
                        Path of directory containing LUT files
  -x, --del-okm         Delete 1km resolution L1B file
  -y, --del-hkm         Delete 500m resolution L1B file
  -z, --del-qkm         Delete 250m resolution L1B file
  --keep-obc            Save onboard calibration file
  -v, --verbose         print status messages
  --log                 Save processing log file(s)