| l2extract | |
Creates an extracted Level 2 file.
Location
Details
Command Line Usage
SeaDAS-OCSSW -> extractor
l2extract is used to create subscene files by extracting from SeaDAS created L2 files (SeaWiFS, MODIS, CZCS, OCTS). The output files are HDF files and have the same format as the original L2 files.
 |
| UI Element Name | Type | Description | Required/Optional | Default Value |
| infile | Text Field | Input MODIS Aqua or Terra L1A file to be extracted, or an L1A filelist for multiple file extraction. (Required) | Required | |
| ofile | Text Field | Output filename for the L1A extracted subscene. A default ofile name is generated by the program. | Required | |
| swlon | Text Field | Longitude of southwest corner of the box to be extracted. | Conditional | |
| swlat | Text Field | Latitude of southwest corner of the box to be extracted. | Conditional | |
| nelon | Text Field | Longitude of northeast corner of the box to be extracted. | Conditional | |
| nelat | Text Field | Latitude of northeast corner of the box to be extracted. | Conditional | |
| spix | Text Field | Starting pixel in infile for extracting. | Conditional | |
| epix | Text Field | Ending pixel in infile for extracting. | Conditional | |
| sscan | Text Field | Starting line in infile for extracting. | Conditional | |
| escan | Text Field | Ending line in infile for extracting. | Conditional | |
| pix_sub | Text Field | Pixel sub-sampling rate. | Optional | |
| sc_sub | Text Field | Scan line sub-sampling rate. | Optional | |
| prodlist | Text Field | Comma separated product list. | Optional |
| 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 l2extract 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. |
Usage: l2extract infile spix epix sscan escan pix_sub sc_sub outfile [prodlist] where: infile - input l2 data HDF file spix - start pixel number (1-based) epix - end pixel number (1-based) sscan - start line (1-based) escan - end line (1-based) pix_sub - pixel subsampling rate sc_sub - scan line subsampling rate outfile - output file name prodlist - product list (optional) Note: Enter line number NOT scan number!