python编写的栅格计算器，用于批处理。

import arcpy
from arcpy.sa import *
arcpy.CheckOutExtension("spatial")
arcpy.gp.overwriteOutput=1#custom
arcpy.env.workspace="G:\\Phenology of 30 Years\\GIMMS 3g\\15Length\\1Length\\"
#custom
outpath="G:\\Phenology of 30 Years\\GIMMS 3g\\15Length\\2mean_len\\"
#custom
outfilename="mean";n=30;Sum=0files=arcpy.ListRasters()for file in files:Sum=Sum+Raster(file)
(Sum/n).save(outpath+outfilename)print("Done,please close")

说明：

 

（1）带#号的为需要改动的地方

（2）本例实现求平均