开源项目Earth

来源：互联网发布：淘宝卖家三天不发货编辑：程序博客网时间：2024/06/08 06:46

研究了一下开源的earth

下面有说明值得注意的是安装node
参考官方文档网上其他的乱七八糟都不要看。
验证版本号

[root@template bin]# node -vv0.10.24

后台启动

 npm install -g forever forever start dev-server.js 8088

注nohup node dev-server.js 8080 > myLog.log 2>&1 &
并不生效

getting map data
其中文件都404暂时没有处理

更新天气数据，这个肯定要做成定时任务
其中要注意接口已经改变。官网http://nomads.ncep.noaa.gov

可用url 注下载的是00点数据

curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t00z.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.2016082400" -o gfs.t00z.pgrb2.1p00.f000

json转换工具
https://github.com/cambecc/grib2json

下载后到eclipse中导入maven工程编译一下 target中生成一个tar.gz文件grib2json-0.8.0-SNAPSHOT.tar.gz 可以点此下载

解压

 解压  tar -zxvf grib2json-0.8.0-SNAPSHOT.tar.gz -C /usr/local/grid2json

/usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin 目录下执行

./grib2json -d -n -o current-wind-surface-level-gfs-1.0.json /tmp/earth/gfs.t00z.pgrb2.1p00.f000

curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t00z.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.2016082400" -o gfs.t00z.pgrb2.1p00.f000

gfs.t00z.pgrb2.1p00.f000文件为下载的文件

执行完将生成一个json文件 current-wind-surface-level-gfs-1.0.json

覆盖到earth安装目录里（/data/earth/earth/public/data/weather/current）

\cp current-wind-surface-level-gfs-1.0.json /data/earth/earth/public/data/weather/current;

完成数据更新
定时脚本

#!/bin/bashDOWNPATH='/data/earth/earthData'TIME=$(date +%Y%m%d)"00"mkdir -p $DOWNPATH/$TIME;cd $DOWNPATH/$TIME;#下载 curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t00z.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.$TIME" -o gfs.t00z.pgrb2.1p00.f000;#转换成json cd /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/; ./grib2json -d -n -o current-wind-surface-level-gfs-1.0.json /data/earth/earthData/$TIME/gfs.t00z.pgrb2.1p00.f000 ;#覆盖旧数据文件 \cp current-wind-surface-level-gfs-1.0.json /data/earth/earth/public/data/weather/current;#清理垃圾LJ='/usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json';if [ -f "$LJ" ]; then     rm -rf /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json;firm -rf /data/earth/earthData/*

注意未处理数据更新时间正确应该是

 curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t**变量**z.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.20160824**变量**" -o gfs.t00z.pgrb2.1p00.f000

对应数字变量要修改
参考官网发布数据
http://nomads.ncep.noaa.gov/
http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl
gfs.2016082418
gfs.2016082412
gfs.2016082406
gfs.2016082400
gfs.2016082318
gfs.2016082312
gfs.2016082306
gfs.2016082300
00点 06点 12点 18点一天四个点
00点时显示数据是当天08点
18点时显示数据是第二天2点美国时间有时差
待观察规律再改进脚本
改进脚本，需要手动执行传日期参数

#!/bin/bashDOWNPATH='/data/earth/earthData'HOUR=$(date +%H)"z"HOURS=$(date +%H)TIME=$(date +%Y%m%d)$HOURSmkdir -p $DOWNPATH/$TIME;cd $DOWNPATH/$TIME;#下载 #curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$1.pgrb2full.0p50.f000&lev_100_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=o#n&dir=%2Fgfs.$2" -o gfs.t$3.pgrb2.1p00.f000;#curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$1.pgrb2full.0p50.f000&lev_100_m_above_ground=on&leftlon=0&rightlon=360&toplat=90&bottomlat=-90&dir=%2Fgfs.$2" -o gfs.t00z.pgrb2.1p00.f000;curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$1.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.$2" -o gfs.t00z.pgrb2.1p00.f000#转换成json cd /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/; ./grib2json -d -n -o current-wind-surface-level-gfs-1.0.json /data/earth/earthData/$TIME/gfs.t00z.pgrb2.1p00.f000 ;#覆盖旧数据文件 \cp current-wind-surface-level-gfs-1.0.json /data/earth/earth/public/data/weather/current;#清理垃圾LJ='/usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json';if [ -f "$LJ" ]; then     rm -rf /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json;firm -rf /data/earth/earthData/*

执行脚本 sh test.sh 18z 2016082418

定时执行脚本

#!/bin/bashDOWNPATH='/data/earth/earthData'HOUR=$(date +%H)"z"HOURS=$(date +%H)TIME=$(date +%Y%m%d)$HOURSmkdir -p $DOWNPATH/$TIME;cd $DOWNPATH/$TIME;#下载 #curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$1.pgrb2full.0p50.f000&lev_100_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=o#n&dir=%2Fgfs.$2" -o gfs.t$3.pgrb2.1p00.f000;#curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$1.pgrb2full.0p50.f000&lev_100_m_above_ground=on&leftlon=0&rightlon=360&toplat=90&bottomlat=-90&dir=%2Fgfs.$2" -o gfs.t00z.pgrb2.1p00.f000;curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p50.pl?file=gfs.t$HOUR.pgrb2full.0p50.f000&lev_10_m_above_ground=on&all_var=on&var_UGRD=on&var_VGRD=on&dir=%2Fgfs.$TIME" -o gfs.t00z.pgrb2.1p00.f000filePath=$DOWNPATH/$TIME"/gfs.t00z.pgrb2.1p00.f000"echo $sif [ $s -ge 300 ];then        cd /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/;         ./grib2json -d -n -o current-wind-surface-level-gfs-1.0.json /data/earth/earthData/$TIME/gfs.t00z.pgrb2.1p00.f000;        #copy file        \cp current-wind-surface-level-gfs-1.0.json /data/earth/earth/public/data/weather/current;        LJ='/usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json';        if [ -f "$LJ" ]; then           rm -rf /usr/local/grid2json/grib2json-0.8.0-SNAPSHOT/bin/current-wind-surface-level-gfs-1.0.json;        fi        rm -rf /data/earth/earthData/*        MSG="SUCCESSFUL"else        MSG="NO data  nothing to do"fi#写日志echo $(date +%F\ %T)" -- update earth data:" $MSG >> /home/earthUpdatelog.txt

定时任务每小时执行

[root@template sh]# crontab -e 0 */1 * * * /home/sh/updateEarthData.sh

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