From 84f2b775441c87623feaa8d8000110078532eb91 Mon Sep 17 00:00:00 2001
From: pi <zhangyiss@icloud.com>
Date: Tue, 10 Jul 2018 11:12:40 -0700
Subject: [PATCH] update -s option

---
 gmtsph-JA.sh | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/gmtsph-JA.sh b/gmtsph-JA.sh
index 6c249f6..399e2a1 100755
--- a/gmtsph-JA.sh
+++ b/gmtsph-JA.sh
@@ -12,21 +12,23 @@ overwriteRange='null'
 overwrite=0
 labels=("longitude (degree)" "latitude (degree)")
 plotgrad=0
+plotsun=0
 clon="0/0/115"
 clon2="180/0/115"
 # 从命令行获取参数
-while getopts "hi:r:u:c:a:G:l:g" arg
+while getopts "hi:r:u:c:a:G:l:gs" arg
 do
 	case $arg in
 		h)
 			printf "simple global wide data mapping using GMT script. The template accepts a grid (.nc .grid) file as input and outputs a .png and a .eps file. \
 For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (zhangyi.cugwuhan@gmail.com)\n" 
-			printf "usage: ${0##*/} -i<grid-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-l<clon>/<clat>/<horizon>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-g] [-G<grad-data>]\n"
+			printf "usage: ${0##*/} -i<grid-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-l<clon>/<clat>/<horizon>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-g] [-s] [-G<grad-data>]\n"
 			printf "%s\t%s\n" "-i" "input grid file"
 			printf "%s\t%s\n" "-r" "data range. The template will ditect the input data range automaticly, the use of this option will overwrite the range."
 			printf "%s\t%s\n" "-l" "central longitude and latitude values of the plot, the default value is 0/0/115. "
 			printf "%s\t%s\n" "-u" "data unit. The default is meter. use 'km+Uk' to append '+Uk' option to the psscale command"
 			printf "%s\t%s\n" "-c" "color cpt. The default is rainbow."
+			printf "%s\t%s\n" "-s" "plot the day-night terminator. The default is false."
 			printf "%s\t%s\n" "-a" "axis labels. The deafults are x (m) and y (m)."
 			printf "%s\t%s\n" "-g" "use grdgradient. The default is false."
 			printf "%s\t%s\n" "-G" "provide a different input grid data for the use of grdgradient. This should be used with the '-g' option at the same time"
@@ -37,6 +39,8 @@ For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (z
 			unit=$OPTARG;;
 		c)
 			color=$OPTARG;;
+		s)
+			plotsun=1;;
 		r)
 			overwrite=1
 			overwriteRange=$OPTARG;;
@@ -81,7 +85,7 @@ else
 	MAP_FRAME_AXES=WESnZ \
 	MAP_LABEL_OFFSET=2.5p
 
-	gmt grd2cpt ${data} -C${color} -Z -D > $cptfile
+	gmt grd2cpt ${data} -R${range} -C${color} -Z -D > $cptfile
 	if [[ $plotgrad == 1 ]]; then
 		gradfile=${data%.*}Grad.nc
 		if [[ $gridData == 'null' ]]; then
@@ -90,10 +94,22 @@ else
 			gmt grdgradient ${gridData} -G${gradfile} -Nt -A0/45
 		fi
 		gmt grdimage ${data} -R${range} -C${cptfile} -I${gradfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30+l"${labels[1]}" -JA${clon}/1.5i -K -P > $psfile
+		if [[ $plotsun == 1 ]]; then
+			gmt pssolar -R${range} -JA${clon}/1.5i -Td+d2016-02-09T16:00:00 -Gblack@75 -K -O >> $psfile
+		fi
 		gmt grdimage ${data} -R${range} -C${cptfile} -I${gradfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30+l"${labels[1]}" -JA${clon2}/1.5i -X1.7i -K -O >> $psfile
+		if [[ $plotsun == 1 ]]; then
+			gmt pssolar -R${range} -JA${clon2}/1.5i -Td+d2016-02-09T16:00:00 -Gblack@75 -K -O >> $psfile
+		fi
 	else
-		gmt grdimage ${data} -R${range} -C${cptfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30s+l"${labels[1]}" -JA${clon}/1.5i -K -P > $psfile
-		gmt grdimage ${data} -R${range} -C${cptfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30s+l"${labels[1]}" -JA${clon}/1.5i -X1.7i -K -O >> $psfile
+		gmt grdimage ${data} -R${range} -C${cptfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30+l"${labels[1]}" -JA${clon}/1.5i -K -P > $psfile
+		if [[ $plotsun == 1 ]]; then
+			gmt pssolar -R${range} -JA${clon}/1.5i -Td+d2016-02-09T16:00:00 -Gblack@75 -K -O >> $psfile
+		fi
+		gmt grdimage ${data} -R${range} -C${cptfile} -Bxa30g30+l"${labels[0]}" -Bpya30g30+l"${labels[1]}" -JA${clon2}/1.5i -X1.7i -K -O >> $psfile
+		if [[ $plotsun == 1 ]]; then
+			gmt pssolar -R${range} -JA${clon2}/1.5i -Td+d2016-02-09T16:00:00 -Gblack@75 -K -O >> $psfile
+		fi
 	fi
 	#-C${cptfile}+Uk 使用km（色标单位除1000
 	#如果unit等于km则在cptfile后面添加+Uk