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preproc/README.md deleted 100644 → 0
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# README #
This directory contains programs to generate FLEXPART WINDFIELDS from ECMWF ERA-Interim data.
+ `python contains python scripts to extract and generate WINDFIELDS
+ `src contains Fortran source code to create CONVERT2 executable (used by the python scripts)
+ `grib_templates contains GRIB-API templates for running CONVERT2 program.
See first the installation instruction in `src and then install python scripts on your system.
Please report any problems.
preproc/python/FlexpartTools.py deleted 100644 → 0
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#
# (C) Copyright 2014 UIO.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
#
# Creation: October 2014 - Anne Fouilloux - University of Oslo
#
#
import subprocess
import shutil
import os, errno
import datetime
from dateutil.relativedelta import relativedelta
import re
from string import atoi
from numpy import *
from ecmwfapi import ECMWFDataServer
from gribapi import *
from GribTools import GribTools
def product(*args, **kwds):
# product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
# product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
pools = map(tuple, args) * kwds.get('repeat', 1)
result = [[]]
for pool in pools:
result = [x+[y] for x in result for y in pool]
for prod in result:
yield tuple(prod)
###############################################################
# utility to remove a file if it exists
# it does not fail if the file does not exist
###############################################################
def silentremove(filename):
try:
os.remove(filename)
except OSError as e: # this would be "except OSError, e:" before Python 2.6
if e.errno != errno.ENOENT: # errno.ENOENT = no such file or directory
raise # re-raise exception if a different error occured
###############################################################
# Utility to create directories
###############################################################
def mkdir_p(file):
path = os.path.dirname(file)
try:
os.stat(path)
except:
os.makedirs(path)
##############################################################
# function to iterate over dates
##############################################################
def daterange( start_date, end_date ):
if start_date <= end_date:
for n in range( ( end_date - start_date ).days + 1 ):
yield start_date + datetime.timedelta( n )
else:
for n in range( ( start_date - end_date ).days + 1 ):
yield start_date - datetime.timedelta( n )
##############################################################
# function to iterate over years
##############################################################
def years_between(start_date,end_date):
years = []
cursor = start_date
while cursor <= end_date:
if cursor.year not in years:
years.append(cursor.year)
cursor += relativedelta(years=1)
return years
##############################################################
# function to iterate over months
##############################################################
def months_between(start_date,end_date):
months = []
cursor = start_date
while cursor <= end_date:
if cursor.month not in months:
months.append(cursor.month)
cursor += datetime.timedelta(days=1)
return months
##############################################################
# MARSretrieval class
##############################################################
class MARSretrieval:
'class for MARS retrievals'
def __init__(self,server, dataset="interim",marsclass="ei",type="",levtype="",levelist="",
repres="", date="",resol="",stream="",area="",time="",step="",expver="1",
number="",accuracy="", grid="", gaussian="", target="",param=""):
self.dataset=dataset
self.marsclass=marsclass
self.type=type
self.levtype=levtype
self.levelist=levelist
self.repres=repres
self.date=date
self.resol=resol
self.stream=stream
self.area=area
self.time=time
self.step=step
self.expver=expver
self.target=target
self.param=param
self.number=number
self.accuracy=accuracy
self.grid=grid
self.gaussian=gaussian
self.server=server
def displayInfo(self):
if self.dataset:
print "dataset: ", self.dataset
if self.marsclass:
print "class: ", self.marsclass
if self.type:
print "type: ", self.type
if self.levtype:
print "levtype: ", self.levtype
if self.levelist:
print "levelist: ", self.levelist
if self.repres:
print "repres: ", self.repres
if self.date:
print "date: ", self.date
if self.resol:
print "resol: ", self.resol
if self.stream:
print "stream: ", self.stream
if self.area:
print "area: ", self.area
if self.time:
print "time: ", self.time
if self.step:
print "step: ", self.step
if self.expver:
print "expver: ", self.expver
if self.target:
print "target: ", self.target
if self.param:
print "param: ", self.param
if self.number:
print "number: ", self.number
if self.accuracy:
print "accuracy: ", self.accuracy
if self.grid:
print "grid: ", self.grid
if self.gaussian:
print "gaussian: ", self.gaussian
def dataRetrieve(self):
dicolist = {}
if self.dataset:
dicolist['dataset']="%s"%(self.dataset)
if self.marsclass:
dicolist['class']="%s"%(self.marsclass)
if self.date:
dicolist['date']="%s"%(self.date)
if self.time:
dicolist['time']="%s"%(self.time)
if self.expver:
dicolist['expver']="%s"%(self.expver)
if self.param:
dicolist['param']="%s"%(self.param)
if self.type:
dicolist['type']="%s"%(self.type)
if self.levtype:
dicolist['levtype']="%s"%(self.levtype)
if self.levelist:
dicolist['levelist']="%s"%(self.levelist)
if self.repres:
dicolist['repres']="%s"%(self.repres)
if self.resol:
dicolist['resol']="%s"%(self.resol)
if self.stream:
dicolist['stream']="%s"%(self.stream)
if self.area:
dicolist['area']="%s"%(self.area)
if self.step:
dicolist['step']="%s"%(self.step)
if self.target:
dicolist['target']="%s"%(self.target)
if self.number:
dicolist['number']="%s"%(self.number)
if self.accuracy:
dicolist['accuracy']="%s"%(self.accuracy)
if self.grid:
dicolist['grid']="%s"%(self.grid)
if self.gaussian:
dicolist['gaussian']="%s"%(self.gaussian)
self.server.retrieve(dicolist)
##############################################################
class EIFlexpart:
'class to retrieve Era Interim data for running FLEXPART'
##############################################################
def __init__(self):
# different mars types for retrieving reanalysis data for flexpart
self.types=["an","fc"]
self.mars={}
# set type (an/fc) and times and steps for EI
# (real) time [type time step ] as in mars (step for forecast only)
self.mars["00"] = ["an", "00"]
self.mars["01"] = ["fc", "00", "01"]
self.mars["02"] = ["fc", "00", "02"]
self.mars["03"] = ["fc", "00", "03"]
self.mars["04"] = ["fc", "00", "04"]
self.mars["05"] = ["fc", "00", "05"]
self.mars["06"] = ["an", "06"]
self.mars["07"] = ["fc", "00", "07"]
self.mars["08"] = ["fc", "00", "08"]
self.mars["09"] = ["fc", "00", "09"]
self.mars["10"] = ["fc", "00", "10"]
self.mars["11"] = ["fc", "00", "11"]
self.mars["12"] = ["an", "12"]
self.mars["13"] = ["fc", "12", "01"]
self.mars["14"] = ["fc", "12", "02"]
self.mars["15"] = ["fc", "12", "03"]
self.mars["16"] = ["fc", "12", "04"]
self.mars["17"] = ["fc", "12", "05"]
self.mars["18"] = ["an", "18"]
self.mars["19"] = ["fc", "12", "07"]
self.mars["20"] = ["fc", "12", "08"]
self.mars["21"] = ["fc", "12", "09"]
self.mars["22"] = ["fc", "12", "10"]
self.mars["23"] = ["fc", "12", "11"]
def retrieve(self, server, dates,times, area, levels, outputdir):
self.dates=dates
self.times=times
self.server=server
self.area=area
self.levels=levels
if outputdir=="":
self.outputdir='.'
else:
self.outputdir=outputdir
# surface data
dataset="interim"
marsclass="ei"
expver="0001"
levels="1/to/"+ self.levels
# Retrieve Q not for using Q but as a template for a reduced gaussian grid one date and time is enough
# Take analysis at 00
qdate=self.dates
idx=qdate.find("/")
if (idx >0):
qdate=self.dates[:idx]
Q= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type="an", levtype="ML", levelist="1",
gaussian="reduced",grid="80", resol="159",accuracy="24",target=self.outputdir+"/"+"Q.grb",
date=qdate, time="00",expver=expver, param="133.128")
Q.displayInfo()
Q.dataRetrieve()
for type in self.types:
stime=set()
sstep=set()
for time in self.times.split('/'):
# not so nice... to review later!
if self.mars[time][0] == type:
stime.add(self.mars[time][1])
if (len(self.mars[time]) > 2):
sstep.add(self.mars[time][2])
rtime="/".join(stime)
if len(sstep) > 0:
rstep="/".join(sstep)
else:
rstep=""
print type
print rtime
if rstep!="":
print rstep
print "MARS retrieve start... "
paramUVD="131.128/132.128/155.128"
paramT="130.128"
paramLNSP="152.128"
param2D2T="167.128/168.128"
if rstep!="":
UVD= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist=levels,
resol="159", accuracy="24",grid="OFF",target=self.outputdir+"/"+type+"UVD.grb",
area=self.area, date=self.dates, time=rtime,step=rstep, expver=expver, param=paramUVD)
T= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist=levels,
resol="159", accuracy="24",grid="1.0/1.0",target=self.outputdir+"/"+type+"T.grb",
area=self.area, date=self.dates, time=rtime,step=rstep, expver=expver, param=paramT)
LNSP= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist="1",
accuracy="24",target=self.outputdir+"/"+type + "LNSP.grb",
area=self.area, date=self.dates, time=rtime,step=rstep, expver=expver, param=paramLNSP)
DT= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="SFC", levelist="OFF",
resol="159",accuracy="24",grid="1.0/1.0",target=self.outputdir+"/"+type + "2D2T.grb",
area=self.area, date=self.dates, time=rtime,step=rstep, expver=expver, param=param2D2T)
print "do not retrieve Q for forecast"
else:
UVD= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist=levels,
resol="159", accuracy="24",grid="OFF",target=self.outputdir+"/"+type + "UVD.grb",
area=self.area, date=self.dates, time=rtime,expver=expver, param=paramUVD)
T= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist=levels,
resol="159", accuracy="24",grid="1.0/1.0",target=self.outputdir+"/"+type + "T.grb",
area=self.area, date=self.dates, time=rtime,expver=expver, param=paramT)
LNSP= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="ML", levelist="1",
accuracy="24",target=self.outputdir+"/"+type + "LNSP.grb",
area=self.area, date=self.dates, time=rtime,expver=expver, param=paramLNSP)
DT= MARSretrieval(self.server, dataset=dataset, marsclass=marsclass, stream="oper", type=type, levtype="SFC", levelist="OFF",
resol="159",accuracy="24",grid="1.0/1.0",target=self.outputdir+"/"+type + "2D2T.grb",
area=self.area, date=self.dates, time=rtime,expver=expver, param=param2D2T)
UVD.displayInfo()
UVD.dataRetrieve()
T.dataRetrieve()
LNSP.dataRetrieve()
DT.dataRetrieve()
print "MARS retrieve done... "
def getFlexpartTime(self, type,step, time):
if int(step) < 10:
cstep = '0' + str(step)
else:
cstep = str(step)
if int(time/100) < 10:
ctime = '0' + str(int(time/100))
else:
ctime = str(int(time/100))
ctype = str(type)
if ctype == 'fc':
myinfo = [ctype,ctime, cstep]
else:
myinfo = [ctype,ctime]
cflextime = None
for t, marsinfo in self.mars.items():
if myinfo == marsinfo:
cflextime=t
return cflextime
def create(self, inputfiles, outputdir):
index_keys=["date","time","stepRange"]
indexfile="date_time_stepRange.idx"
silentremove(indexfile)
grib=GribTools(inputfiles.files)
iid=grib.index(index_keys=index_keys, index_file = indexfile)
print 'index done...'
silentremove("fort.10")
silentremove("fort.11")
silentremove("fort.12")
silentremove("fort.13")
silentremove("fort.18")
index_vals = []
for key in index_keys:
key_vals = grib_index_get(iid,key)
index_vals.append(key_vals)
for prod in product(*index_vals):
for i in range(len(index_keys)):
grib_index_select(iid,index_keys[i],prod[i])
f10 = open('fort.10','w')
f11 = open('fort.11','w')
f12 = open('fort.12','w')
f13 = open('fort.13','w')
f16 = open('fort.16','w')
gid = grib_new_from_index(iid)
hid = gid
cflextime = None
if gid is not None:
cdate = str(grib_get(gid, 'date'))
cyear = cdate[:4]
cmonth = cdate[4:6]
cday = cdate[6:8]
time = grib_get(gid, 'time')
type = grib_get(gid, 'type')
step = grib_get(gid, 'stepRange')
cflextime = self.getFlexpartTime(type,step, time)
# print 'cyear '+cyear+'/'+cmonth+'/'+'/EI'+cyear[2:4]+cmonth+cday+cflextime
while 1:
if gid is None: break
paramId = grib_get(gid, 'paramId')
if paramId == 133:
# Relative humidity (Q.grb) is used as a template only so we need the first we "meet"
fout=open('fort.18','w')
grib_write(gid,fout)
fout.close()
if paramId == 131 or paramId == 132:
grib_write(gid, f10)
if paramId == 130:
grib_write(gid,f11)
if paramId == 152:
grib_write(gid,f12)
if paramId == 155:
grib_write(gid,f13)
if paramId == 167 or paramId == 168:
grib_write(gid, f16)
grib_release(gid)
gid = grib_new_from_index(iid)
# call for CONVERT2
f10.close()
f11.close()
f12.close()
f13.close()
f16.close()
if hid is not None:
p=subprocess.check_call(['CONVERT2'])
# create the corresponding output file fort.15 (generated by CONVERT2) + fort.16 (paramId 167 and paramId 168)
mkdir_p(outputdir+'/'+cyear+'/'+cmonth+'/')
print "outputdir = " + outputdir+'/'+cyear+'/'+cmonth+'/'+'/EI'+cyear[2:4]+cmonth+cday+cflextime
fout = open(outputdir+'/'+cyear+'/'+cmonth+'/EI'+cyear[2:4]+cmonth+cday+cflextime,'wb')
shutil.copyfileobj(open('fort.15','rb'), fout)
shutil.copyfileobj(open('fort.16','rb'), fout)
fout.close()
grib_index_release(iid)
def __del__(self):
print "clean"
silentremove("fort.10")
silentremove("fort.11")
silentremove("fort.12")
silentremove("fort.13")
silentremove("fort.15")
silentremove("fort.16")
silentremove("fort.18")
silentremove("VERTICAL.EC")
silentremove("date_time_stepRange.idx")
preproc/python/GribTools.py deleted 100644 → 0
View file @ 60517b36
#
# (C) Copyright 2014 UIO.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
#
# Creation: July 2014 - Anne Fouilloux - University of Oslo
#
#
from gribapi import *
import traceback
import sys,os
##############################################################
# GRIB utilities
##############################################################
class GribTools:
'class for GRIB API with new methods'
def __init__(self,filename):
self.filename=filename
# get keyvalues for a given list of keynames
# a where statment can be given (list of key and list of values)
def getkeys(self,keynames,wherekeynames=[],wherekeyvalues=[]):
fileid=open(self.filename,'r')
return_list=[]
while 1:
gid_in = grib_new_from_file(fileid)
if gid_in is None: break
select=True
i=0
if len(wherekeynames) != len(wherekeyvalues): raise Exception("Give a value for each keyname!")
for wherekey in wherekeynames:
if not grib_is_defined(gid_in, wherekey): raise Exception("where Key was not defined")
select=select and (str(wherekeyvalues[i])==str(grib_get(gid_in, wherekey)))
i=i+1
if select:
llist = []
for key in keynames:
llist.extend([str(grib_get(gid_in, key))])
return_list.append(llist)
grib_release(gid_in)
fileid.close()
return return_list
# set keyvalues for a given list of keynames
# a where statment can be given (list of key and list of values)
# an input file must be given as an input for reading grib messages
# note that by default all messages are written out
# if you want to get only those meeting the where statement, use
# strict=true
def setkeys(self,fromfile,keynames,keyvalues, wherekeynames=[],wherekeyvalues=[], strict=False, filemode='w'):
fout=open(self.filename,filemode)
fin=open(fromfile)
while 1:
gid_in = grib_new_from_file(fin)
if gid_in is None: break
select=True
i=0
if len(wherekeynames) != len(wherekeyvalues): raise Exception("Give a value for each keyname!")
for wherekey in wherekeynames:
if not grib_is_defined(gid_in, wherekey): raise Exception("where Key was not defined")
select=select and (str(wherekeyvalues[i])==str(grib_get(gid_in, wherekey)))
i=i+1
if select:
i=0
for key in keynames:
grib_set(gid_in, key, keyvalues[i])
i=i+1
if strict:
if select:
grib_write(gid_in,fout)
else:
grib_write(gid_in,fout)
grib_release(gid_in)
fin.close()
fout.close()
# Add the content of a grib file but only messages
# corresponding to keys/values
# if selectWhere is False select fields that are different from keynames/keyvalues
def copy(self,filename_in, selectWhere=True, keynames=[], keyvalues=[],filemode='w'):
fin=open(filename_in)
fout=open(self.filename,filemode)
while 1:
gid_in = grib_new_from_file(fin)
if gid_in is None: break
select=True
i=0
if len(keynames) != len(keyvalues): raise Exception("Give a value for each keyname!")
for key in keynames:
if not grib_is_defined(gid_in, key): raise Exception("Key was not defined")
if selectWhere:
select=select and (str(keyvalues[i])==str(grib_get(gid_in, key)))
else:
select=select and (str(keyvalues[i])!=str(grib_get(gid_in, key)))
i=i+1
if select:
grib_write(gid_in,fout)
grib_release(gid_in)
fin.close()
fout.close()
# Create index from a list of files if it does not exist or read it
def index(self,index_keys=["mars"], index_file = "my.idx"):
print "index to be done"
self.iid = None
if (os.path.exists(index_file)):
self.iid = grib_index_read(index_file)
print "Use existing index file: %s "%(index_file)
else:
for file in self.filename:
print "Inputfile: %s "%(file)
if self.iid ==