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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