/GrADS/script/hatch.gs
hatch ( var ( min max | -min min | -max max ) | varmin varmax ) [-angle angle] [-density density] [-int int] [-color color] [-type type] [-thickness thickness] ga-> open u.ctl ga-> set lev 500 ga-> set lat -90 90 ga-> set lon 0 360 ga-> d u ga-> hatch u 20 100
ga-> open t.ctl ga-> set t 1 12 ga-> set lat 0 90 ga-> set lon 0 ga-> d t ga-> hatch t 280 290 -angle 90
ga-> open t.ctl ga-> d t ga-> hatch t 200 270 -angle 45,135 ga-> hatch t 300 320 -angle 0,90
ga-> open hgs.ctl ga-> set lat 30 ga-> d hgs ga-> hatch hgs 1000 6000 -color 2
ga-> open t.ctl ga-> set lat 40 ga-> d t ga-> hatch t-5 t+5