plot_depth - Make a png depth file from a depth file.

#!/bin/bash -f
if [ $# != 1 ]; then
   echo "Usage: plot_depth depth-filename"
   exit
fi
FILE=$1
rm sunfil.ras
sioseis << eof
procs diskin prout plot end
diskin
#  ntodo 2000
   ipath $FILE end
end
prout
     fno 0 lno 9999999 noinc 500 end
end
plot
   dptr 1 tlines .05 dir ltr
    colors gray opath siofil wiggle 0  ann gmtint anninc 5 ann2 shotno
    trpin 300 def .02 tlines .05 vscale 5 end
end
end
eof
sio2sun siofil sunfil.ras
display -rotate 270 sunfil.ras &
convert -rotate 270 sunfil.ras $FILE.png