add -l option

gmtsph-regional.sh

@@ -16,15 +16,18 @@ nocpt=0
 inverseCPT=0
 coastline=0
 axistick=("a" "a") #横纵坐标轴间隔 a表示自动
-bartick="a"
+bartick="a" #色标轴标轴间隔 a表示自动
+# 不同图幅的绘图参数
+pageChoice='small' # 默认尺寸为small
+smallPage="1.5i,0.125i/-0.3i,1.2i/0.06i" # 图大小,色标位置,色标尺寸
 # 从命令行获取参数
-while getopts "hi:r:u:c:a:t:v:gnpb" arg
+while getopts "hi:r:u:c:a:t:v:l:gnpb" arg
 do
 	case $arg in
 		h)
 			printf "simple regional 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>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-t<x-tick>,<y-tick>] [-v<c-tick>] [-b] [-g] [-n] [-p]\n"
+			printf "usage: ${0##*/} -i<grid-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-t<x-tick>,<y-tick>] [-v<c-tick>] [-l<size>] [-b] [-g] [-n] [-p]\n"
 			printf "%s\t%s\n" "-i" "input grid file"
 			printf "%s\t%s\n" "-r" "data range. The template will detect the input data range automatically, the use of this option will overwrite the range."
 			printf "%s\t%s\n" "-u" "data unit. The default is meter."
@@ -32,6 +35,7 @@ For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (z
 			printf "%s\t%s\n" "-a" "axis labels. The deafults are x (m) and y (m)."
 			printf "%s\t%s\n" "-t" "intervals of axis's labels. the script will set the intervals automatically if -t option is not set."
 			printf "%s\t%s\n" "-v" "intervals of color bar's labels. the script will set the intervals automatically if -v option is not set."
+			printf "%s\t%s\n" "-l" "image layout and size. three available options are small(1.5 inch wide), middle and large."
 			printf "%s\t%s\n" "-b" "draw coast line."
 			printf "%s\t%s\n" "-g" "use grdgradient. The default is false."
 			printf "%s\t%s\n" "-n" "disable the use of grd2cpt."
@@ -52,6 +56,8 @@ For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (z
 			axistick=(${OPTARG//,/ });;
 		v)
 			bartick=$OPTARG;;
+		l)
+			pageChoice=$OPTARG;;
 		b)
 			coastline=1;;
 		g)
@@ -105,7 +111,7 @@ else
 	MAP_FRAME_AXES=WESnZ \
 	COLOR_NAN=white \
 	MAP_LABEL_OFFSET=2.5p
-
+	# 设置色标文件
 	if [[ $nocpt == 1 ]]; then
 		cptfile=${color}
 	else
@@ -115,13 +121,19 @@ else
 			gmt grd2cpt ${data} -R${range} -C${color} -Z -D -M > $cptfile
 		fi
 	fi
+	# 设置绘图尺寸 如果识别参数失败 则还是按small处理
+	if [[ $pageChoice == 'small' ]]; then
+		pagePara=(${smallPage//,/ })
+	else
+		pagePara=(${smallPage//,/ })
+	fi
 
 	if [[ $plotgrad == 1 ]]; then
 		gradfile=usergradient.nc
 		gmt grdgradient ${data} -G${gradfile} -Nt -A0/45
-		gmt grdimage ${data} -R${range} -C${cptfile} -I${gradfile} -Bx${axistick[0]}g+l"${labels[0]}" -By${axistick[1]}g+l"${labels[1]}" -JL${plot_para[0]}/${plot_para[1]}/${plot_para[2]}/${plot_para[3]}/1.5i -K -P > $psfile
+		gmt grdimage ${data} -R${range} -C${cptfile} -I${gradfile} -Bx${axistick[0]}g+l"${labels[0]}" -By${axistick[1]}g+l"${labels[1]}" -JL${plot_para[0]}/${plot_para[1]}/${plot_para[2]}/${plot_para[3]}/${pagePara[0]} -K -P > $psfile
 	else
-		gmt grdimage ${data} -R${range} -C${cptfile} -Bx${axistick[0]}g+l"${labels[0]}" -By${axistick[1]}g+l"${labels[1]}" -JL${plot_para[0]}/${plot_para[1]}/${plot_para[2]}/${plot_para[3]}/1.5i -K -P > $psfile
+		gmt grdimage ${data} -R${range} -C${cptfile} -Bx${axistick[0]}g+l"${labels[0]}" -By${axistick[1]}g+l"${labels[1]}" -JL${plot_para[0]}/${plot_para[1]}/${plot_para[2]}/${plot_para[3]}/${pagePara[0]} -K -P > $psfile
 	fi
 
 	if [[ $coastline == 1 ]]; then
@@ -129,7 +141,7 @@ else
 	fi
 
 	#-C${cptfile}+Uk 使用km（色标单位除1000）
-	gmt psscale -Dx0.125i/-0.3i+w1.2i/0.06i+h -C${cptfile} -Bx${bartick} -By+l${unit} -O >> $psfile
+	gmt psscale -Dx${pagePara[1]}+w${pagePara[2]}+h -C${cptfile} -Bx${bartick} -By+l${unit} -O >> $psfile
 	gmt psconvert $psfile -A -TEG -E300
 	# 删除临时文件 使用linux终端rm命令
 	rm $psfile gmt.history gmt.conf