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grid_filter

Syntax
grid_filter --help
grid_filter [gridname]
grid_filter -old [gridname]
Synopsis

Supersample a grid format file in time.

Options
--helpprint the help message and exit.
--versionprint the RST version number and exit.
gridnamefilename of the grdmap format file. If this is omitted, the file will be read from standard input.
-oldthe input file is a grd format file.
Description

Supersample a grid format file in time.

The task supersamples by skipping over records in the output file for a fixed length of time. By default the task will write a record every 10 minutes

Examples
grid_filter -old 20040830.grd > 20040830.grd.s

Supersample the grd format file "20040830.grd" to produce the file "20040830.grd.s".