gmt psbasemap -R10/70/-3/8 -JX4i/3i -Ba -B+glightred+t"My first plot" -P > GMT_tut_1.ps gmt psbasemap -R10/70/-3/8 -JX6i/5.5i -Ba -B+glightred+t"My first plot" -P > GMT_tut_1a.ps gmt psbasemap -R1/10000/1e20/1e25 -JX9il/6il -Bxa2+l"Wavelength (m)" -Bya1pf3+l"Power (W)" -BWS -P > GMT_tut_2.ps gmt psbasemap -R1/10000/1e20/1e25 -JX6il/4il -Bxa1+l"Wavelength (m)" -Bya1pf3+l"Power (W)" -BWS -P > GMT_tut_2b.ps gmt pscoast -R-90/-70/0/20 -JM6i -P -Ba -Gchocolate > GMT_tut_3.ps grdgradient indo1.nc -A0 -Nt -Giluminasi1.nc