gmtlogo - Adding a GMT graphics logo overlay to an illustration
gmtlogo dx dy [ -Gfill ] [ -W[pen] ] >> plot.ps
Note: No space is allowed between the option flag and the associated arguments.
This scrips appends the GMT logo as an overlay to an “open” PostScript file. The logo is 2 inches wide and 1 inch high and will be positioned relative to the current plot origin.