2017-12-04 13:02:46 +08:00
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#!/bin/bash
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# 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
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. gmt_shell_functions.sh
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#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
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# 初始化参数
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data='null'
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unit='m'
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color='rainbow'
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range='null'
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overwriteRange='null'
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overwrite=0
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labels=("longitude (degree)" "latitude (degree)")
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valuerange="0/1000/10"
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cols="0,1,2"
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# 从命令行获取参数
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while getopts "hi:r:u:c:a:d:v:" arg
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do
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case $arg in
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h)
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printf "simple global wide table data mapping using GMT script. The template accepts a table file as input and outputs a .png and a .eps file. \
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For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (zhangyi.cugwuhan@gmail.com)\n"
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printf "usage: ${0##*/} -i<table-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-u<unit>] [-c<cpt-file>] [-d<vmin>/<vmax>/<dv>] [-a<x-label>,<y-label>] [-v<col1>,<col2>...]\n"
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printf "%s\t%s\n" "-i" "input table file"
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printf "%s\t%s\n" "-r" "data range. The template will ditect the input data range automaticly, the use of this option will overwrite the range."
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printf "%s\t%s\n" "-u" "data unit. The default is meter."
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printf "%s\t%s\n" "-c" "color cpt. The default is rainbow."
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printf "%s\t%s\n" "-d" "data's value extension. The default is 0/1000/10. this option is used for makeing cpt file."
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printf "%s\t%s\n" "-v" "data columns. The default is 0,1,2. this option is used for selecting interested data columns."
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printf "%s\t%s\n" "-a" "axis labels. The deafults are x (m) and y (m)."
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exit 0;;
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i)
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data=$OPTARG;;
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u)
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unit=$OPTARG;;
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c)
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color=$OPTARG;;
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r)
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overwrite=1
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overwriteRange=$OPTARG;;
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a)
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labels=(${OPTARG//,/ });;
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d)
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valuerange=$OPTARG;;
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v)
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cols=$OPTARG;;
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?)
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printf "error: unknow argument\nuse -h option to see help information\n"
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exit 1;;
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esac
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done
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# 进行必要的参数检查
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if [[ $data == "null" ]]; then
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printf "error: no input file name\nuse -h option to see help information\n"
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exit 1
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else
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# 初始化临时文件名
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cptfile=user.cpt
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psfile=${data%.*}.ps
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jpgfile=${data%.*}.png
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# 获取网格范围
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if [[ $overwrite == 1 ]]; then
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range=${overwriteRange}
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else
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range=$(gmt_get_gridregion ${data})
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fi
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# 设置绘图参数
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gmt gmtset \
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FONT_ANNOT_PRIMARY=6.5p,Times-Roman,black \
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MAP_FRAME_PEN=thinnest,black \
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MAP_TICK_LENGTH_PRIMARY=1.5p/1p \
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MAP_TICK_PEN_PRIMARY=thinnest,black \
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MAP_TITLE_OFFSET=6.5p \
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MAP_GRID_CROSS_SIZE_PRIMARY=2p \
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FONT_LABEL=6.5p,Times-Roman,black \
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MAP_FRAME_AXES=WESnZ \
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MAP_LABEL_OFFSET=2.5p
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gmt makecpt -C${color} -T${valuerange} > $cptfile
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gmt psxy ${data} -i${cols} -Bxag+l"${labels[0]}" -B+ggrey -Bpya40g40+l"${labels[1]}" -JN0/3i -R${range} -C${cptfile} -Sc0.04c -Gblack -P -K > $psfile
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#-C${cptfile}+Uk 使用km（色标单位除1000）
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gmt psscale -Dx0.5i/-0.3i+w2i/0.07i+h -C${cptfile} -Bxa -By+l${unit} -O >> $psfile
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2018-03-19 14:30:24 +08:00
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gmt psconvert $psfile -A -TEG -E300
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2017-12-04 13:02:46 +08:00
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# 删除临时文件 使用linux终端rm命令
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rm $cptfile $psfile gmt.history gmt.conf
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# 在终端显示图像 此命令需要imgcat.sh脚本和iTerm终端
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#imgcat $jpgfile
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# 打开图片文件 此命令使用MacOS终端open命令
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open $jpgfile
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fi
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