#!/bin/ksh
#======================================================================
#					 L W P L O T _ B R 
#                    doc: Mon Oct 17 10:57:12 2011
#                    dlm: Sun Apr  5 22:08:49 2015
#                    (c) 2011 A.M. Thurnherr
#                    uE-Info: 16 39 NIL 0 0 72 2 2 4 NIL ofnI
#======================================================================

# HISTORY:
#	Oct 17, 2011: - created
#	Nov 14, 2011: - added file layout check
#	Mar 12, 2012: - sh -> ksh as this does not work with /bin/sh on MacOSX 10.6.4
#	Apr 12, 2012: - made re-entrant
#   Oct 30, 2103: - got rid of non-portable echo -e
#	Apr  5, 2015: - made fixbb optional

#--------------------------------------------------
# Usage
#--------------------------------------------------

USAGE="Usage: $0 <eps-file> [in-file]"
	[ $# -eq 2 ] && exec <"$2" "$0" "$1"
	[ $# -ne 1 ] && { echo $USAGE >&2; exit 1; }
eps_file="$1"

#--------------------------------------------------
# Read Header Data
#--------------------------------------------------

while [ -z "$fields" ]
do
	read line
    [ ! -t 1 ] && echo "$line"
	[ -z "$out_basename" ] && out_basename=`expr -- "$line" : '#ANTS#PARAMS#.*out_basename{\([^}]*\)}`
	[ -z "$run_label" ] && run_label=`expr -- "$line" : '#ANTS#PARAMS#.*run_label{\([^}]*\)}`
	[ -z "$max_bin" ] && max_bin=`expr -- "$line" : '#ANTS#PARAMS#.*max_bin{\([^}]*\)}`
	[ -z "$fields" ] && fields=`expr -- "$line" : '#ANTS#FIELDS# \(.*\)' | sed -e s/{//g -e s/}//g`
done

set -- $fields
[ "$1" = bin -a \
  "$2" = dc_residual -a "$3" = dc_residual.sig -a "$4" = dc_residual.nsamp -a \
  "$5" = uc_residual -a "$6" = uc_residual.sig -a "$7" = uc_residual.nsamp ] || {
		echo "$0: file layout error" >&2
		exit 1
}

#--------------------------------------------------
# Plot Data
#--------------------------------------------------

eps_file="$PWD/$eps_file"	# make outfile name absolute (hopefully, it is not already...)
mkdir /tmp/$$				# GMT makes tmpfiles and is not reentrant
cd /tmp/$$

TMPFILE=/tmp/$$.LWplot_BR
if [ ! -t 1 ]
then
	tee $TMPFILE
else
	cat > $TMPFILE
fi

[ -f .gmtdefaults4 ] ||
	gmtset	PAPER_MEDIA letter+ \
			LABEL_FONT_SIZE 14 ANNOT_FONT_SIZE_PRIMARY 14 \
			WANT_EURO_FONT true \
	        PLOT_DEGREE_FORMAT ddd:mm:ssF

R=-R-0.07/0.07/0.5/`echo $max_bin+0.5|bc`
U=-R0/1/0/1
X=-JX10/-10

{ echo 0 0.5; echo 0 `echo $max_bin+0.5|bc`; } | psxy -P -K $R $X > "$eps_file"

awk '{print $2, $1}' $TMPFILE | psxy -O -K -Mn $R $X -W4/coral >> "$eps_file"
awk '{print $5, $1}' $TMPFILE | psxy -O -K -Mn $R $X -W4/SeaGreen >> "$eps_file"
awk '{print $2, $1, ($4>1)?($3/sqrt($4-1)):0}' $TMPFILE | psxy -O -K -Mn $R $X -Ex0.2c/4/coral >> "$eps_file"
awk '{print $5, $1, ($7>1)?($6/sqrt($7-1)):0}' $TMPFILE | psxy -O -K -Mn $R $X -Ex0.2c/4/SeaGreen >> "$eps_file"
	
echo 0.02 0.02 12 0 0 TL $out_basename $run_label| pstext -O -K $U $X >> "$eps_file"

psbasemap -O -K $R $X -Bf0.005a0.05:"Residual Vertical Velocity [m/s]":/f1a5:"Bin [#]":WeSn >> "$eps_file"
psbasemap -O $R $X -B/a100-99W >> "$eps_file"

rm $TMPFILE
[ -n "`which fixbb`" ] && fixbb "$eps_file"

cd "$PWD"
rm -rf /tmp/$$