# 示例模型
cat > mod <<EOF
0.0  4.0 2.7 2.5
EOF

grt greenfn -Mmod -D2/0 -N10/0.01 -R1 -OGRN
GDIR="GRN/mod_2_0_1"

gmt set FONT_TITLE 13p,1
gmt begin test png
    gmt subplot begin 1x4 -Fs4c/4c -M0.2c -R0/2/0/1.5 -Baf -BWSen

    gmt subplot set 0
    title="-Dp/2"
    gmt basemap -B+t$title
    grt syn -G$GDIR -S1e20 -A0 $title -OSYN
    grt sac2asc SYN/sig.sac | gmt plot

    gmt subplot set 1
    title="-Dt/0.2/0.9/1.8"
    gmt basemap -B+t$title
    grt syn -G$GDIR -S1e20 -A0 $title -OSYN
    grt sac2asc SYN/sig.sac | gmt plot

    gmt subplot set 2
    title="-Dt/1.5/1.5/2.0"
    gmt basemap -B+t$title
    grt syn -G$GDIR -S1e20 -A0 $title -OSYN
    grt sac2asc SYN/sig.sac | gmt plot

    gmt subplot set 3
    title="-Dr/1.2"
    gmt basemap -R0/2/-1/1.5 -B+t$title
    grt syn -G$GDIR -S1e20 -A0 $title -OSYN
    grt sac2asc SYN/sig.sac | gmt plot

    gmt subplot end

gmt end show