gmt basemap -R/0/360/0/90 -JP?+a+f -B+gwhite -Bxg90 -Bya30g30 --MAP_FRAME_PEN=0.5p gmt plot $data -i4,5 -Sc0.01c -W0.1p gmt subplot set 0,2 -A'@~\163@~3' gmt basemap -R/0/360/0/90 -JP?+a+f -B+gwhite -Bxg90 -Bya30g30 --MAP_FRAME_PEN=0.5p gmt plot $...