out=psscale1

1:
# vertical bar
	makecpt -T20/30/1 > color.cpt
	psbasemap -P -JX10 -R0/100/0/100 -B20 -X5 -Y10 -K > $(out).ps
	psscale -D12c/5c/10c/0.4c -Ccolor.cpt -B1:"SST":/:"@+o@+C": -O >> $(out).ps
	convert $(out).ps $(out).jpg