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hydroGIS

Practices for gis in hydrology

水文水资源的科研和工程实践中一定缺不了GIS工具的使用,熟悉一些常用GIS工具十分有必要,这里记录平时一些实践备查。GIS相关资源可参考:awesome-gis

结合awesome-gis可知,GIS工具类型繁多,有成套的GIS软件(ArcGIS, QGIS),遥感软件(ENVI),有成熟的3D应用、地图服务、GIS云计算(Google earth engine)等,也有基础的工具,如PostGIS数据库,leafletweb前端可视化工具等,还有最基本的地理空间计算库:比如python下的ShapelyFionaGeoPandasPyprojCesium等。

本repo不会去都尝试涉及,而是主要关注的和水文水资源相关的GIS运算,因此,安排内容大致如下:

  • ArcGIS:每个涉及到GIS的人都会知道这个软件,不过我没钱买正版工具,所以就主要了解下ArcGIS的基本概念和简单用法,不做过多记录
  • AutoGIS:主要参考Automating GIS-processes,了解Python GIS 常用的开源库,并给一些实例,方便简单的GIS计算
  • GEE:google earth engine是非常好用的工具,在科学上网的条件下能高效地处理大多数的GIS计算,这里主要记录一些GEE python接口,尤其是geemap的使用。
  • QGIS:基本可以认为是免费版的ArcGIS,因为是开源的,所以不会像商业软件那样做的非常详尽,但是应对水文专业GIS应用还是足够的。

environment.yml里记录了win10下AutoGIS和GEE文件夹下内容所需的python环境, 参考了:https://github.com/earthlab/earth-analytics-python-env/blob/main/environment.yml 。在项目根目录下打开终端,执行以下语句即可安装环境, 安装时间会比较长(大约10mins), 请耐心等待:

conda env create -f environment.yml

目前内容主要集中在AutoGIS里,后期会根据自己GIS的使用情况逐步更新。

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