MAKECPT

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NAME

makecpt - Make GMT color palette tables  

SYNOPSIS

makecpt -Ccint_or_file -Snshades_or_file[c] [ -Mmidval [ -Z ]  

DESCRIPTION

makecpt is a utility that will help you make color palette tables (cpt files). Optionally, you may define equidistant contour intervals and create a grayramp or rainbow palette.
-C
Name of a single-column contour interval file OR a positive number, the contour interval desired.
-S
Name of a color table OR a positive number, the number of intervals desired. Append a 'c' to create a rainbow color table [Default is gray ramp].
 

OPTIONS

-M
Sets the middle contour value. Ignored if -C is given a file name.
-Z
Creates a continuous cpt file [Default is discontinuous, i.e. constant colors for each interval]. Ignored if contour or color tables are specified.
 

EXAMPLES

To convert the GMT v1.x style contours.d and colors.d tables into a cpt file, try

makecpt -Ccontours.d -Scolors.d > colors.cpt

To make an equidistant cpt file from z = -2 to 6, in steps of 1, using continuous rainbow colors, try

makecpt -C1.0 -S8c -M2 -Z > rainbow.cpt  

SEE ALSO

gmt, grd2cpt #include "refs.i"


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
SEE ALSO

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Time: 07:11:38 GMT, January 07, 2025