set range=0/400/0/400
set scale=10/10
set xga=f50a100
set yga=f50a100
set xlabel="Observed data (mm/day)"
set ylabel="Estimated data (mm/day)"
gmtset ANOT_FONT_SIZE 16
gmtset LABEL_FONT_SIZE 16
gmtset TICK_LENGTH -0.2c

echo 0 0 > _temp.txt
echo 400 400 >> _temp.txt

psbasemap -R%range% -JX%scale% -B%xga%:%xlabel%:/%yga%:%ylabel%:WSen -P -X5 -Y6 -K > %fig%
psxy %inp1% -R -J -B -SC0.2 -W2 -P -O -K >> %fig%
psxy _temp.txt -R -J -B -W1 -P -O -K >> %fig%
pstext %inp2% -R0/10/0/10 -J -N -P -O >> %fig%