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hydrology's Introduction

An automated python script to deal with hydrological data

Usage

  • 创建一个总文件夹作为工作环境。包括:
    • 一个data文件夹,用于存放原始数据 *data文件夹中有Boundary文件夹存储shp类子流域边界数据,global_ndvi文件夹存储每年的水文学数据,sand文件夹存储土壤岩性数据,Source文件夹存储ohio河的遥感图
    • 一个output文件夹,用于存放处理后的数据
    • 一个done文件夹,用于存放处理脚本 以下文件路径请根据实际情况修改python脚本中的路径
  • 将原始数据放入data文件夹中,包括
    • 一个Source文件夹,用于存放原始数据,如"ohio_90.tif"
    • 一个Boundary文件夹,用于存放边界掩膜数据,如"\Ohio\ohio_mask.shp"
  • 使用GIS自带的python解释器运行脚本,即可得到处理后的数据
C:\python27\ArcGIS10.2\python.exe {Analyze/coverage/ndvi/sand}.py

说明

因为ArcGIS的python库只能在ArcGIS自带的python解释器中使用,所以需要使用ArcGIS自带的python解释器运行脚本。如果需要在其他python解释器中运行,需要import脚本中的arcpy库。

ArcGIS的arcpy库内存泄漏,运行过程中如果数据太多,可能导致处理数据冲突,分批将数据放入Boundary处理即可。

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