This is the command gmtsetgmt that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
gmtset - Change individual GMT default parameters
gmtset [ | [s|u] | defaultsfile ] [ -[BJRXxYycp]value ] PARAMETER1 [=] value1 PARAMETER2
[=] value2 PARAMETER3 [=] value3
Note: No space is allowed between the option flag and the associated arguments.
gmtset will adjust individual GMT defaults settings in the current directory's gmt.conf
file. If no such file exists one will be created. The main purpose of gmtset is
temporarily to change certain parameters inside a shell script, e.g., set the
dots-per-inch to 72, run the script, and reset to 1200 dpi. Optionally, you can specify
one or more temporary changes directly on any GMT command line with the syntax
--PARAMETER=VALUE; such changes are only in effect for that command and do not permanently
change the default settings on disk.
Provide one or several pairs of parameter/value combinations that you want to
modify. For a complete listing of available parameters and their meaning, see the
gmt.conf man page.
-C Convert a .gmtdefaults4 file created by GMT4 to a gmt.conf file used by GMT5. The
original file is retained.
Modify the GMT defaults based on the system settings. Append u for US defaults or s
for SI defaults. [-D alone gives the version selected at compile time]
Name of specific gmt.conf file to read and modify [Default looks first in current
directory, then in your home directory, then in ~/.gmt and finally in the system
Set the expansion of any of these shorthand options.
-^ or just -
Print a short message about the syntax of the command, then exits (NOTE: on Windows
use just -).
-+ or just +
Print an extensive usage (help) message, including the explanation of any
module-specific option (but not the GMT common options), then exits.
-? or no arguments
Print a complete usage (help) message, including the explanation of options, then
Print GMT version and exit.
Print full path to GMT share directory and exit.
To change annotation font to 12-point Helvetica, select grid-crosses of size 0.1 inch, and
set annotation offset to 0.2 cm:
gmt set FONT_ANNOT_PRIMARY 12p,Helvetica \
MAP_GRID_CROSS_SIZE_PRIMARY 0.1i MAP_ANNOT_OFFSET_PRIMARY 0.2c
Use gmtsetgmt online using onworks.net services