GRDCLIP
Section: Misc. Reference Manual Pages (l)
Updated: 1 Aug 1993
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NAME
grdclip - Clipping of range in grdfiles.
SYNOPSIS
grdclip input_file.grd -Goutput_file.grd [ -Ahigh/above ]
[ -Blow/below ] [ -V ]
DESCRIPTION
grdclip will set values < low to below and/or values > high to above. Useful
when you want all of a continent or an ocean to fall into one color or grayshade in image processing,
or clipping of the range of data values is required. above/below can be any number or NaN (Not a Number).
You must choose at least one of -A or -B.
- input_file.grd
-
The input 2-D binary grdfile.
- -G
-
output_file.grd is the modified output grdfile.
OPTIONS
- -A
-
Set all data[i] > high to above.
- -B
-
Set all data[i] < low to below.
#include "explain_-V.txt"
EXAMPLES
To set all values > 70 to NaN and all values < 0 to 0 in file data.grd, try:
grdclip data.grd -Gnew_data.grd -A70/NaN -B0/0 -V
SEE ALSO
gmt, grdlandmask, grdmask, grdmath, grd2xyz, xyz2grd
#include "refs.i"
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- EXAMPLES
-
- SEE ALSO
-
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