#!/bin/ksh
#======================================================================
#                    L W P L O T _ C A E 
#                    doc: Wed May 15 19:35:58 2013
#                    dlm: Sun Apr  5 22:09:30 2015
#                    (c) 2013 A.M. Thurnherr
#                    uE-Info: 101 26 NIL 0 0 72 2 2 4 NIL ofnI
#======================================================================

# HISTORY:
#	May 15, 2013: - created from [LWplot_BR]
#	May 16, 2013: - fiddled
#	Oct 30, 2013: - BUG: debug statement had been left in code
#   Oct 30, 2013: - 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 "$fields" ] && fields=`expr -- "$line" : '#ANTS#FIELDS# \(.*\)' | sed -e s/{//g -e s/}//g`
done

set -- $fields
[ "$3" = downcast -a "${12}" = CTD_w_tt -a "${15}" = reflr_ocean_w ] || {
		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-0.8/0.8/-0.3/0.3
R=-R-2.0/2.0/-0.3/0.3
U=-R0/1/0/1
X=-JX10/10

awk '{print $3, $12, $15}' $TMPFILE |
	Cat -QS1:1 -F'$2,$3' |
	psxy -P -K -Mn $R $X -Sc0.1 -Gcoral > "$eps_file"
	
awk '{print $3, $12, $15}' $TMPFILE |
	Cat -QS1:0 -F'$2,$3' |
	psxy -O -K -Mn $R $X -Sc0.1 -GSeaGreen >> "$eps_file"
	
{ echo -2.0 0; echo 2.0 0; } | psxy -O -K $R $X -W2/gray30 >> "$eps_file"
{ echo 0 -0.3; echo 0 0.3; } | psxy -O -K $R $X -W2/gray30 >> "$eps_file"

{ echo -2.0 -0.2; echo 2.0 -0.2; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo -2.0 -0.1; echo 2.0 -0.1; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo -2.0  0.1; echo 2.0  0.1; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo -2.0  0.2; echo 2.0  0.2; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"

{ echo -1.5 -0.3; echo -1.5 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo -1.0 -0.3; echo -1.0 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo -0.5 -0.3; echo -0.5 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo  0.5 -0.3; echo  0.5 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo  1.0 -0.3; echo  1.0 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"
{ echo  1.5 -0.3; echo  1.5 0.3; } | psxy -O -K $R $X -W1/gray70 >> "$eps_file"

echo 0.047 0.965 12 0 0 TL $out_basename $run_label| pstext -O -K $U $X >> "$eps_file"

psbasemap -O -K $R $X -Bf0.1a1:"CTD d@+2@+z/dt@+2@+ [ms@+-3@+]":/f0.01a0.1:"reference-layer ocean w [ms@+-1@+]":WeSn >> "$eps_file"
psbasemap -O $R $X -B/a100-99W >> "$eps_file"

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

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