gmt-template/gmtsph-profile.sh
2019-02-01 15:57:45 -08:00

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#!/bin/bash
# 包含GMT自带脚本文件 其中包含了一些有用的功能 比如获取网格文件的范围
. gmt_shell_functions.sh
#GMT显示平面数据脚本输入文件为网格文件没有包含网格化语句因为网格化过程中的情况多样化建议在其他脚本中个别添加再调用此脚本
# 初始化参数
data='null'
unit='m'
color='rainbow'
range='null'
overwriteRange='null'
overwrite=0
labels=("Centeral angle (degree)" "Depth (m)")
overwriteOff=0
offangle=0
# 从命令行获取参数
while getopts "hi:r:u:c:a:f:" arg
do
case $arg in
h)
printf "simple grid file mapping using GMT script under polor coordinate. 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: ${0##*/} -i<grid-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-f<off-set>]\n"
printf "%s\t%s\n" "-i" "input grid file"
printf "%s\t%s\n" "-r" "data range. The template will ditect the input data range automaticly, the use of this option will overwrite the range."
printf "%s\t%s\n" "-u" "data unit. The default is meter."
printf "%s\t%s\n" "-c" "color cpt. The default is rainbow."
printf "%s\t%s\n" "-a" "axis labels. The deafults are central angle (degree) and depth (m)."
printf "%s\t%s\n" "-f" "off-set angle of the profile. the default will use mean value of the x-range."
exit 0;;
i)
data=$OPTARG;;
u)
unit=$OPTARG;;
c)
color=$OPTARG;;
r)
overwrite=1
overwriteRange=$OPTARG;;
a)
labels=(${OPTARG//,/ });;
f)
overwriteOff=1
offangle=$OPTARG;;
?)
printf "error: unknow argument\nuse -h option to see help information\n"
exit 1;;
esac
done
# 进行必要的参数检查
if [[ $data == "null" ]]; then
printf "error: no input file name\nuse -h option to see help information\n"
exit 1
else
# 初始化临时文件名
cptfile=user.cpt
psfile=${data%.*}.ps
jpgfile=${data%.*}.png
# 获取网格范围
if [[ $overwrite == 1 ]]; then
range=${overwriteRange}
else
range=$(gmt_get_gridregion ${data})
fi
# 设置偏移范围
if [[ $overwriteOff == 0 ]]; then
range_sp=(${range//// })
offangle=$(echo "${range_sp[0]} * 0.5 + ${range_sp[1]} * 0.5"|bc)
fi
# 设置绘图参数
gmt gmtset \
COLOR_NAN=grey \
FONT_ANNOT_PRIMARY=10.5p,Times-Roman,black \
MAP_FRAME_PEN=thin,black \
MAP_TICK_LENGTH_PRIMARY=2p/1p \
MAP_TITLE_OFFSET=7p \
MAP_GRID_CROSS_SIZE_PRIMARY=2p \
FONT_LABEL=7p,Times-Roman,black \
MAP_FRAME_AXES=wEsNZ \
COLOR_NAN=white \
MAP_LABEL_OFFSET=4p
gmt grd2cpt ${data} -C${color} -Z -D -M > $cptfile
gmt grdimage ${data} -R${range} -C${cptfile} -Bxag+l"${labels[0]}" -Byag+l"${labels[1]}" -JPa3i/${offangle}z -K -Y1i -P > $psfile
gmt psscale -Dx0.4i/-0.25i+w2.2i/0.1i+h -C${cptfile} -Bxa -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 $cptfile $psfile gmt.history gmt.conf
if [[ $plotgrad == 1 ]]; then
rm $gradfile
fi
# 在终端显示图像 此命令需要imgcat.sh脚本和iTerm终端
#imgcat $jpgfile
# 打开图片文件 此命令使用MacOS终端open命令
open $jpgfile
fi