slicing netcdf files

Avi goz <[email protected]> Thu, 5 Jun 2014 17:01:56 +0300

Newsgroups	gmane.comp.gis.gmt.user
Message-ID	<CAJsRwM-KoKStWPJ9m6O3+U4kdZhYvF5te0_47ctX=MJW2bVx=g@mail.gmail.com>

Hi GMTers

If I have a 4D field in a netcdf file (time z,x,y), I succeed in slicing
by time & z using the following :

gmt grdimage -R -JX  vars.glob.nc?THETA[1,2] ...

but what happens if I wish to slice by time & y ? how do i skip the z, x
indices?

thanks,

Avi

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