modis_L1A |

### modis_L1A

Creates a MODIS Level 1A file from an input Level 0 file.

Location
Details
Command Line Usage

#### Location

SeaDAS-Toolbox -> SeaDAS Processors -> MODIS -> modis_L1A

#### Details

modis_L1A creates a MODIS Level 1A file from an input Level 0 file.

modis_L1A GUI

Arguments/Keywords

UI Element Name | Type | Description | Required/Optional | Default Value
file | text | MODIS_L0_file name | Required |
output | text | Output L1A filename | Required | '(A|T)YYYYDDDHHMMSS.L1A_LAC'
mission | text | Modis mission:
             A: Aqua
             T: Terra
| Optional |
startnudge | text | Level-0 start-time offset (seconds) | Optional |
stopnudge | text | Level-0 stop-time offset (seconds) | Optional |
nextgranule | text | Next L0 granule (for geolocation of last scan; sets stopnudge=0) | Optional |
log | boolean | Save processing log file(s) | Optional | false
disableL0fix | boolean | Disable use of l0fix_modis utility for corrupt packets | Optional | false

Actions/Buttons

UI Element Name | Type | Description
Browser Button | Button | Selects infile/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 modi_L1A 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_L1A [-h] [--version] [-p PARFILE] [-o L1AFILE] [-m MISSION]
                     [-s STARTNUDGE] [-e STOPNUDGE] [-n NEXT] [-v] [--log] [-d]
                     [-t]
                     [L0FILE]

    positional arguments:
      L0FILE                Input L0 file

    options:
      -h, --help            show this help message and exit
      --version             show program's version number and exit
      -p, --parfile PARFILE
                            Parameter file containing program inputs
      -o, --output L1AFILE  Output L1A filename - defaults to
                            '(A|T)YYYYDDDHHMMSS.L1A_LAC'
      -m, --mission MISSION
                            MODIS mission - A(qua) or T(erra)
      -s, --startnudge STARTNUDGE
                            Level-0 start-time offset (seconds)
      -e, --stopnudge STOPNUDGE
                            Level-0 stop-time offset (seconds)
      -n, --nextgranule NEXT
                            Next L0 granule (for geolocation of last scan; sets
                            stopnudge=0)
      -v, --verbose         print status messages
      --log                 Save processing log file(s)
      -d, --disableL0fix    Disable use of l0fix_modis utility for corrupt packets
      -t, --disablerounding
                            Disable rounding of granule end time to 5-min boundary