94 lines
3.2 KiB
Bash
94 lines
3.2 KiB
Bash
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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=("Centeral angle (degree)" "Depth (m)")
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overwriteOff=0
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offangle=0
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# 从命令行获取参数
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while getopts "hi:r:u:c:a:f:" arg
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do
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case $arg in
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h)
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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. \
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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: ${0##*/} -i<grid-data> [-r<xmin>/<xmax>/<ymin>/<ymax>] [-u<unit>] [-c<cpt-file>] [-a<x-label>,<y-label>] [-f<off-set>]\n"
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printf "%s\t%s\n" "-i" "input grid file"
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printf "%s\t%s\n" "-r" "data range. The template will ditect the input data range automaticly, the use of this option will overwrite the range."
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printf "%s\t%s\n" "-u" "data unit. The default is meter."
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printf "%s\t%s\n" "-c" "color cpt. The default is rainbow."
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printf "%s\t%s\n" "-a" "axis labels. The deafults are central angle (degree) and depth (m)."
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printf "%s\t%s\n" "-f" "off-set angle of the profile. the default will use mean value of the x-range."
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exit 0;;
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i)
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data=$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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f)
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overwriteOff=1
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offangle=$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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# 设置偏移范围
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if [[ $overwriteOff == 0 ]]; then
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range_sp=(${range//// })
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offangle=$(echo "${range_sp[0]} * 0.5 + ${range_sp[1]} * 0.5"|bc)
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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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COLOR_NAN=grey \
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FONT_ANNOT_PRIMARY=7p,Times-Roman,black \
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MAP_FRAME_PEN=thin,black \
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MAP_TICK_LENGTH_PRIMARY=2p/1p \
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MAP_TITLE_OFFSET=7p \
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MAP_GRID_CROSS_SIZE_PRIMARY=2p \
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FONT_LABEL=7p,Times-Roman,black \
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MAP_FRAME_AXES=wEsNZ \
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MAP_LABEL_OFFSET=4p
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gmt grd2cpt ${data} -C${color} -Z -D > $cptfile
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gmt grdimage ${data} -R${range} -C${cptfile} -Bxag+l"${labels[0]}" -Byag+l"${labels[1]}" -JPa3i/${offangle}z -K -Y1i -P > $psfile
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gmt psscale -Dx0.4i/-0.25i+w2.2i/0.1i+h -C${cptfile} -Bxa -By+l${unit} -O >> $psfile
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gmt psconvert $psfile -A -TeG -E300
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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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if [[ $plotgrad == 1 ]]; then
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rm $gradfile
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fi
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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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