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LongTermAverage.py
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LongTermAverage.py
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import os
import VampireDefaults
import re
from arcpy.sa import *
import arcpy
vp = VampireDefaults.VampireDefaults()
dir = ['01','02','03','04', '05', '06', '07', '08', '09', '10', '11', '12']
dirseasonal = ['010203','020304','030405','040506', '050607', '060708', '070809', '080910', '091011', '101112', '111201', '120102']
dekad = ['1','2','3']
#====================== change following data before running the script ==========================#
datadir = 'D:\\IDN_GIS\\01_Data\\01_Global\\Rasters\\Climate\\Precipitation\\CHIRPS\\Seasonal\\TifData'
stddir = 'D:\\IDN_GIS\\01_Data\\01_Global\\Rasters\\Climate\\Precipitation\\CHIRPS\\Seasonal\\NewStatististics'
dekad_pattern = vp.get('CHIRPS', 'global_seasonal_pattern') # global_monthly_pattern, global_seasonal_pattern, global_dekad_pattern
Moregex_dekad = re.compile(dekad_pattern)
#===================================create list file of DEKAD============================#
def dekadLT():
dictionary = {}
for i in dir:
for j in dekad:
index = i+j
content = []
for file_dekad in os.listdir(datadir):
if file_dekad.endswith(".tif") or file_dekad.endswith(".tiff"):
Moresult_dekad = Moregex_dekad.match(file_dekad)
Dmonth = Moresult_dekad.group('month')
Ddekad = Moresult_dekad.group('dekad')
if Ddekad == j and Dmonth == i:
content.append(os.path.join(datadir, file_dekad))
dictionary[index] = content
#=========================Create STD DEKAD file=================================#
for k in dir:
for l in dekad:
index = k + l
listoffile = dictionary[index]
ext = ".tif"
newfilename_dekad = 'chirps-v2.0.1981-2016.{0}.{1}.dekad.36yrs.std{2}'.format(k, l, ext)
newfilename_dekad_avg = 'chirps-v2.0.1981-2016.{0}.{1}.dekad.36yrs.avg{2}'.format(k, l, ext)
print(newfilename_dekad)
if arcpy.Exists(os.path.join(stddir, newfilename_dekad)):
print(newfilename_dekad + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics = CellStatistics(listoffile, "STD", "DATA")
outCellStatistics.save(os.path.join(stddir, newfilename_dekad))
arcpy.CheckInExtension("spatial")
if arcpy.Exists(os.path.join(stddir, newfilename_dekad_avg)):
print(newfilename_dekad_avg + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics_avg = CellStatistics(listoffile, "MEAN", "DATA")
outCellStatistics_avg.save(os.path.join(stddir, newfilename_dekad_avg))
arcpy.CheckInExtension("spatial")
def monthly():
dictionary = {}
for i in dir:
index = i
content = []
for file_dekad in os.listdir(datadir):
if file_dekad.endswith(".tif") or file_dekad.endswith(".tiff"):
Moresult_dekad = Moregex_dekad.match(file_dekad)
Dmonth = Moresult_dekad.group('month')
if Dmonth == i:
content.append(os.path.join(datadir, file_dekad))
dictionary[index] = content
# =========================Create STD DEKAD file=================================#
for k in dir:
index = k
listoffile = dictionary[index]
ext = ".tif"
newfilename_dekad = 'chirps-v2.0.1981-2016.{0}.monthly.36yrs.std{1}'.format(k, ext)
newfilename_dekad_avg = 'chirps-v2.0.1981-2016.{0}.monthly.36yrs.avg{1}'.format(k, ext)
print(newfilename_dekad)
if arcpy.Exists(os.path.join(stddir, newfilename_dekad)):
print(newfilename_dekad + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics = CellStatistics(listoffile, "STD", "DATA")
outCellStatistics.save(os.path.join(stddir, newfilename_dekad))
arcpy.CheckInExtension("spatial")
if arcpy.Exists(os.path.join(stddir, newfilename_dekad_avg)):
print(newfilename_dekad_avg + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics_avg = CellStatistics(listoffile, "MEAN", "DATA")
outCellStatistics_avg.save(os.path.join(stddir, newfilename_dekad_avg))
arcpy.CheckInExtension("spatial")
def seasonal():
dictionary = {}
for i in dirseasonal:
index = i
content = []
for file_dekad in os.listdir(datadir):
if file_dekad.endswith(".tif") or file_dekad.endswith(".tiff"):
print(file_dekad)
Moresult_dekad = Moregex_dekad.match(file_dekad)
Dmonth = Moresult_dekad.group('season')
if Dmonth == i:
content.append(os.path.join(datadir, file_dekad))
dictionary[index] = content
print(dictionary)
# =========================Create STD DEKAD file=================================#
for k in dirseasonal:
index = k
listoffile = dictionary[index]
print(listoffile)
ext = ".tif"
newfilename_dekad = 'chirps-v2.0.1981-2016.{0}.seasonal.36yrs.std{1}'.format(k, ext)
newfilename_dekad_avg = 'chirps-v2.0.1981-2016.{0}.seasonal.36yrs.avg{1}'.format(k, ext)
print(newfilename_dekad)
if arcpy.Exists(os.path.join(stddir, newfilename_dekad)):
print(newfilename_dekad + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics = CellStatistics(listoffile, "STD", "DATA")
outCellStatistics.save(os.path.join(stddir, newfilename_dekad))
arcpy.CheckInExtension("spatial")
if arcpy.Exists(os.path.join(stddir, newfilename_dekad_avg)):
print(newfilename_dekad_avg + " exists")
else:
arcpy.CheckOutExtension("spatial")
outCellStatistics_avg = CellStatistics(listoffile, "MEAN", "DATA")
outCellStatistics_avg.save(os.path.join(stddir, newfilename_dekad_avg))
arcpy.CheckInExtension("spatial")
seasonal()