[d69b677] | 1 | #!/usr/bin/env python |
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[991df6a] | 2 | # -*- coding: utf-8 -*- |
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| 3 | #************************************************************************ |
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| 4 | # TODO AP |
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| 5 | # - documentation der Funktionen |
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| 6 | # - docu der progam functionality |
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| 7 | # - apply pep8 |
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| 8 | #************************************************************************ |
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| 9 | #******************************************************************************* |
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| 10 | # @Author: Leopold Haimberger (University of Vienna) |
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[64cf353] | 11 | # |
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[991df6a] | 12 | # @Date: November 2015 |
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[64cf353] | 13 | # |
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[991df6a] | 14 | # @Change History: |
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| 15 | # |
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| 16 | # February 2018 - Anne Philipp (University of Vienna): |
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| 17 | # - applied PEP8 style guide |
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| 18 | # - added documentation |
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| 19 | # - created function main and moved the two function calls for |
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| 20 | # arguments and plotting into it |
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| 21 | # |
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| 22 | # @License: |
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| 23 | # (C) Copyright 2015-2018. |
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| 24 | # |
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| 25 | # This software is licensed under the terms of the Apache Licence Version 2.0 |
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| 26 | # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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| 27 | # |
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| 28 | # @Program Functionality: |
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| 29 | # Simple tool for creating maps and time series of retrieved fields. |
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| 30 | # |
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| 31 | # @Program Content: |
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| 32 | # - plot_retrieved |
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| 33 | # - plottimeseries |
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| 34 | # - plotmap |
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| 35 | # - interpret_plotargs |
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| 36 | # |
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| 37 | #******************************************************************************* |
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[d69b677] | 38 | |
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[991df6a] | 39 | # ------------------------------------------------------------------------------ |
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| 40 | # MODULES |
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| 41 | # ------------------------------------------------------------------------------ |
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[d69b677] | 42 | import datetime |
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| 43 | import time |
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[991df6a] | 44 | import os |
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| 45 | import inspect |
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| 46 | import sys |
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| 47 | import glob |
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| 48 | from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter |
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[64cf353] | 49 | |
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[d69b677] | 50 | from matplotlib.pylab import * |
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| 51 | import matplotlib.patches as mpatches |
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[991df6a] | 52 | from mpl_toolkits.basemap import Basemap, addcyclic |
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[d69b677] | 53 | import matplotlib.colors as mcolors |
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| 54 | from matplotlib.font_manager import FontProperties |
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| 55 | from matplotlib.patches import Polygon |
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| 56 | import matplotlib.cm as cmx |
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| 57 | import matplotlib.colors as colors |
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[991df6a] | 58 | #from rasotools.utils import stats |
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[d69b677] | 59 | from gribapi import * |
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| 60 | |
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[991df6a] | 61 | # add path to pythonpath so that python finds its buddies |
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| 62 | localpythonpath = os.path.dirname(os.path.abspath( |
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| 63 | inspect.getfile(inspect.currentframe()))) |
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| 64 | if localpythonpath not in sys.path: |
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| 65 | sys.path.append(localpythonpath) |
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[d69b677] | 66 | |
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[991df6a] | 67 | # software specific classes and modules from flex_extract |
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| 68 | from Tools import silentremove, product |
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| 69 | from ControlFile import ControlFile |
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| 70 | from GribTools import GribTools |
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[64cf353] | 71 | |
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[991df6a] | 72 | # ------------------------------------------------------------------------------ |
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| 73 | # FUNCTION |
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| 74 | # ------------------------------------------------------------------------------ |
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| 75 | def main(): |
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| 76 | ''' |
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| 77 | @Description: |
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| 78 | If plot_retrieved is called from command line, this function controls |
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| 79 | the program flow and calls the argumentparser function and |
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| 80 | the plot_retrieved function for plotting the retrieved GRIB data. |
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| 81 | |
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| 82 | @Input: |
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| 83 | <nothing> |
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| 84 | |
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| 85 | @Return: |
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| 86 | <nothing> |
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| 87 | ''' |
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| 88 | args, c = interpret_plotargs() |
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| 89 | plot_retrieved(args, c) |
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| 90 | |
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| 91 | return |
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| 92 | |
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| 93 | def plot_retrieved(args, c): |
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| 94 | ''' |
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| 95 | @Description: |
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| 96 | Reads GRIB data from a specified time period, a list of levels |
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| 97 | and a specified list of parameter. |
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| 98 | |
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| 99 | @Input: |
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| 100 | args: instance of ArgumentParser |
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| 101 | Contains the commandline arguments from script/program call. |
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| 102 | |
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| 103 | c: instance of class ControlFile |
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| 104 | Contains all necessary information of a CONTROL file. The parameters |
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| 105 | are: DAY1, DAY2, DTIME, MAXSTEP, TYPE, TIME, STEP, CLASS, STREAM, |
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| 106 | NUMBER, EXPVER, GRID, LEFT, LOWER, UPPER, RIGHT, LEVEL, LEVELIST, |
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| 107 | RESOL, GAUSS, ACCURACY, OMEGA, OMEGADIFF, ETA, ETADIFF, DPDETA, |
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| 108 | SMOOTH, FORMAT, ADDPAR, WRF, CWC, PREFIX, ECSTORAGE, ECTRANS, |
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| 109 | ECFSDIR, MAILOPS, MAILFAIL, GRIB2FLEXPART, DEBUG, INPUTDIR, |
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| 110 | OUTPUTDIR, FLEXPART_ROOT_SCRIPTS |
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| 111 | For more information about format and content of the parameter see |
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| 112 | documentation. |
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| 113 | |
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| 114 | @Return: |
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| 115 | <nothing> |
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| 116 | ''' |
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| 117 | start = datetime.datetime.strptime(c.start_date, '%Y%m%d%H') |
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| 118 | end = datetime.datetime.strptime(c.end_date, '%Y%m%d%H') |
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| 119 | |
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| 120 | c.paramIds = asarray(c.paramIds, dtype='int') |
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| 121 | c.levels = asarray(c.levels, dtype='int') |
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| 122 | c.area = asarray(c.area) |
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| 123 | |
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| 124 | index_keys = ["date", "time", "step"] |
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| 125 | indexfile = c.inputdir + "/date_time_stepRange.idx" |
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[d69b677] | 126 | silentremove(indexfile) |
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[991df6a] | 127 | files = glob.glob(c.inputdir + '/' + c.prefix + '*') |
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| 128 | grib = GribTools(files) |
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| 129 | iid = grib.index(index_keys=index_keys, index_file = indexfile) |
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| 130 | |
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| 131 | gdict = dict(Ni = 360, Nj = 181, |
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| 132 | iScansNegatively = 0, jScansPositively = 0, |
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| 133 | jPointsAreConsecutive = 0, alternativeRowScanning = 0, |
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| 134 | latitudeOfFirstGridPointInDegrees = 90, |
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| 135 | longitudeOfFirstGridPointInDegrees = 181, |
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| 136 | latitudeOfLastGridPointInDegrees = -90, |
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| 137 | longitudeOfLastGridPointInDegrees = 180, |
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| 138 | iDirectionIncrementInDegrees = 1, |
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| 139 | jDirectionIncrementInDegrees = 1 |
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| 140 | ) |
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[d69b677] | 141 | |
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| 142 | index_vals = [] |
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| 143 | for key in index_keys: |
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[991df6a] | 144 | key_vals = grib_index_get(iid, key) |
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[d69b677] | 145 | print key_vals |
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| 146 | |
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| 147 | index_vals.append(key_vals) |
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[64cf353] | 148 | |
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[991df6a] | 149 | fdict = dict() |
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| 150 | fmeta = dict() |
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| 151 | fstamp = dict() |
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[d69b677] | 152 | for p in c.paramIds: |
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| 153 | for l in c.levels: |
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[991df6a] | 154 | key = '{:0>3}_{:0>3}'.format(p, l) |
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| 155 | fdict[key] = [] |
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| 156 | fmeta[key] = [] |
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| 157 | fstamp[key] = [] |
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[d69b677] | 158 | for prod in product(*index_vals): |
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| 159 | for i in range(len(index_keys)): |
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[991df6a] | 160 | grib_index_select(iid, index_keys[i], prod[i]) |
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[d69b677] | 161 | |
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| 162 | gid = grib_new_from_index(iid) |
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| 163 | |
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| 164 | while(gid is not None): |
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| 165 | date = grib_get(gid, 'date') |
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[991df6a] | 166 | fdate = datetime.datetime(date/10000, mod(date,10000)/100, |
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| 167 | mod(date,100)) |
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[d69b677] | 168 | gtime = grib_get(gid, 'time') |
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| 169 | step = grib_get(gid, 'step') |
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[991df6a] | 170 | fdatetime = fdate + datetime.timedelta(hours=gtime/100) |
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[d69b677] | 171 | gtype = grib_get(gid, 'type') |
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| 172 | paramId = grib_get(gid, 'paramId') |
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| 173 | parameterName = grib_get(gid, 'parameterName') |
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[991df6a] | 174 | level = grib_get(gid, 'level') |
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| 175 | if step >= c.start_step and step <= c.end_step and \ |
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| 176 | fdatetime >= start and fdatetime <= end and \ |
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| 177 | paramId in c.paramIds and level in c.levels: |
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| 178 | key = '{:0>3}_{:0>3}'.format(paramId, level) |
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[d69b677] | 179 | print key |
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[991df6a] | 180 | fdatetimestep = fdatetime + datetime.timedelta(hours=step) |
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| 181 | if len(fstamp) == 0: |
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[64cf353] | 182 | fstamp[key].append(fdatetimestamp) |
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[991df6a] | 183 | fmeta[key].append((paramId, parameterName, gtype, |
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| 184 | fdatetime, gtime, step, level)) |
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| 185 | fdict[key].append(flipud(reshape( |
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| 186 | grib_get_values(gid), [gdict['Nj'], gdict['Ni']]))) |
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[d69b677] | 187 | else: |
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[991df6a] | 188 | i = 0 |
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| 189 | inserted = False |
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[d69b677] | 190 | for i in range(len(fstamp[key])): |
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[991df6a] | 191 | if fdatetimestep < fstamp[key][i]: |
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| 192 | fstamp[key][i:i] = [fdatetimestep] |
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| 193 | fmeta[key][i:i] = [(paramId, parameterName, gtype, |
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| 194 | fdatetime, gtime, step, level)] |
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| 195 | fdict[key][i:i] = [flipud(reshape( |
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| 196 | grib_get_values(gid), |
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| 197 | [gdict['Nj'], gdict['Ni']]))] |
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| 198 | inserted = True |
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[d69b677] | 199 | break |
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| 200 | if not inserted: |
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| 201 | fstamp[key].append(fdatetimestep) |
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[991df6a] | 202 | fmeta[key].append((paramId, parameterName, gtype, |
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| 203 | fdatetime, gtime, step, level)) |
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| 204 | fdict[key].append(flipud(reshape( |
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| 205 | grib_get_values(gid), [gdict['Nj'], gdict['Ni']]))) |
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[d69b677] | 206 | |
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| 207 | grib_release(gid) |
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| 208 | gid = grib_new_from_index(iid) |
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[64cf353] | 209 | |
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[d69b677] | 210 | for k in fdict.keys(): |
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[991df6a] | 211 | fml = fmeta[k] |
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| 212 | fdl = fdict[k] |
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[64cf353] | 213 | |
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[991df6a] | 214 | for fd, fm in zip(fdl, fml): |
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| 215 | ftitle = fm[1] + ' {} '.format(fm[-1]) + \ |
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| 216 | datetime.datetime.strftime(fm[3], '%Y%m%d%H') #+ ' ' + stats(fd) |
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| 217 | pname = '_'.join(fm[1].split()) + '_{}_'.format(fm[-1]) + \ |
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| 218 | datetime.datetime.strftime(fm[3], '%Y%m%d%H') + \ |
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| 219 | '.{:0>3}'.format(fm[5]) |
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| 220 | plotmap(fd, fm, gdict, ftitle, pname + '.eps') |
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[64cf353] | 221 | |
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[d69b677] | 222 | for k in fdict.keys(): |
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[991df6a] | 223 | fml = fmeta[k] |
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| 224 | fdl = fdict[k] |
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| 225 | fsl = fstamp[k] |
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[d69b677] | 226 | if fdl: |
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[991df6a] | 227 | fm = fml[0] |
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| 228 | fd = fdl[0] |
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| 229 | ftitle = fm[1] + ' {} '.format(fm[-1]) + \ |
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| 230 | datetime.datetime.strftime(fm[3], '%Y%m%d%H') #+ ' ' + stats(fd) |
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| 231 | pname = '_'.join(fm[1].split()) + '_{}_'.format(fm[-1]) + \ |
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| 232 | datetime.datetime.strftime(fm[3], '%Y%m%d%H') + \ |
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| 233 | '.{:0>3}'.format(fm[5]) |
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| 234 | lat = -20 |
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| 235 | lon = 20 |
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| 236 | plottimeseries(fdl, fml, fsl, lat, lon, |
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| 237 | gdict, ftitle, pname + '.eps') |
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| 238 | |
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| 239 | return |
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| 240 | |
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| 241 | def plottimeseries(flist, fmetalist, ftimestamps, lat, lon, |
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| 242 | gdict, ftitle, filename): |
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| 243 | ''' |
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| 244 | @Description: |
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| 245 | |
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| 246 | @Input: |
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| 247 | flist: |
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| 248 | The actual data values to be plotted from the grib messages. |
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| 249 | |
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| 250 | fmetalist: list of strings |
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| 251 | Contains some meta date for the data field to be plotted: |
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| 252 | parameter id, parameter Name, grid type, date and time, |
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| 253 | time, forecast step, level |
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| 254 | |
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| 255 | ftimestamps: list of datetime |
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| 256 | Contains the time stamps in a datetime format, e.g. |
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| 257 | |
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| 258 | lat: |
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| 259 | |
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| 260 | lon: |
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| 261 | |
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| 262 | gdict: |
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| 263 | |
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| 264 | ftitle: string |
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| 265 | The title of the timeseries. |
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| 266 | |
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| 267 | filename: string |
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| 268 | The time series is stored in a file with this name. |
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| 269 | |
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| 270 | @Return: |
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| 271 | <nothing> |
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| 272 | ''' |
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| 273 | t1 = time.time() |
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| 274 | latindex = (lat + 90) * 180 / (gdict['Nj'] - 1) |
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| 275 | lonindex = (lon + 179) * 360 / gdict['Ni'] |
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| 276 | farr = asarray(flist) |
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| 277 | ts = farr[:, latindex, lonindex] |
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| 278 | f = plt.figure(figsize=(12,6.7)) |
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| 279 | plt.plot(ftimestamps, ts) |
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[d69b677] | 280 | plt.title(ftitle) |
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[991df6a] | 281 | savefig(c.outputdir + '/' + filename) |
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| 282 | print 'created ', c.outputdir + '/' + filename |
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[d69b677] | 283 | plt.close(f) |
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[991df6a] | 284 | print time.time() - t1, 's' |
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| 285 | |
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| 286 | return |
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| 287 | |
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| 288 | def plotmap(flist, fmetalist, gdict, ftitle, filename): |
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| 289 | ''' |
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| 290 | @Description: |
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| 291 | |
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| 292 | @Input: |
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| 293 | flist |
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| 294 | fmetalist |
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| 295 | gdict |
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| 296 | ftitle |
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| 297 | filename |
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| 298 | |
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| 299 | @Return: |
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| 300 | <nothing> |
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| 301 | ''' |
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| 302 | t1 = time.time() |
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| 303 | f = plt.figure(figsize=(12, 6.7)) |
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[64cf353] | 304 | mbaxes = f.add_axes([0.05, 0.15, 0.8, 0.7]) |
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[991df6a] | 305 | m = Basemap(llcrnrlon=-180., llcrnrlat=-90., urcrnrlon=180, urcrnrlat=90.) |
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[d69b677] | 306 | #if bw==0 : |
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| 307 | #fill_color=rgb(0.6,0.8,1) |
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| 308 | #else: |
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| 309 | #fill_color=rgb(0.85,0.85,0.85) |
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[64cf353] | 310 | |
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[991df6a] | 311 | lw = 0.3 |
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[d69b677] | 312 | m.drawmapboundary() |
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[991df6a] | 313 | parallels = arange(-90., 91, 90.) |
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| 314 | # labels = [left, right, top, bottom] |
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| 315 | m.drawparallels(parallels, labels=[True, True, True, True], linewidth=lw) |
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| 316 | meridians = arange(-180., 181., 60.) |
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| 317 | m.drawmeridians(meridians, labels=[True, True, True, True], linewidth=lw) |
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[d69b677] | 318 | m.drawcoastlines(linewidth=lw) |
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[991df6a] | 319 | xleft = gdict['longitudeOfFirstGridPointInDegrees'] |
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| 320 | if xleft > 180.0: |
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| 321 | xleft -= 360. |
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| 322 | x = linspace(xleft, gdict['longitudeOfLastGridPointInDegrees'], gdict['Ni']) |
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| 323 | y = linspace(gdict['latitudeOfLastGridPointInDegrees'], |
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| 324 | gdict['latitudeOfFirstGridPointInDegrees'], gdict['Nj']) |
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| 325 | xx, yy = m(*meshgrid(x, y)) |
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| 326 | |
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| 327 | s = m.contourf(xx, yy, flist) |
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| 328 | title(ftitle, y=1.1) |
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[64cf353] | 329 | cbaxes = f.add_axes([0.9, 0.2, 0.04, 0.6]) |
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[991df6a] | 330 | cb = colorbar(cax=cbaxes) |
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[64cf353] | 331 | |
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[991df6a] | 332 | savefig(c.outputdir + '/' + filename) |
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| 333 | print 'created ', c.outputdir + '/' + filename |
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[d69b677] | 334 | plt.close(f) |
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[991df6a] | 335 | print time.time() - t1, 's' |
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| 336 | |
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| 337 | return |
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| 338 | |
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| 339 | def interpret_plotargs(): |
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| 340 | ''' |
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| 341 | @Description: |
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| 342 | Assigns the command line arguments and reads CONTROL file |
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| 343 | content. Apply default values for non mentioned arguments. |
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| 344 | |
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| 345 | @Input: |
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| 346 | <nothing> |
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| 347 | |
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| 348 | @Return: |
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| 349 | args: instance of ArgumentParser |
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| 350 | Contains the commandline arguments from script/program call. |
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| 351 | |
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| 352 | c: instance of class ControlFile |
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| 353 | Contains all necessary information of a CONTROL file. The parameters |
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| 354 | are: DAY1, DAY2, DTIME, MAXSTEP, TYPE, TIME, STEP, CLASS, STREAM, |
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| 355 | NUMBER, EXPVER, GRID, LEFT, LOWER, UPPER, RIGHT, LEVEL, LEVELIST, |
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| 356 | RESOL, GAUSS, ACCURACY, OMEGA, OMEGADIFF, ETA, ETADIFF, DPDETA, |
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| 357 | SMOOTH, FORMAT, ADDPAR, WRF, CWC, PREFIX, ECSTORAGE, ECTRANS, |
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| 358 | ECFSDIR, MAILOPS, MAILFAIL, GRIB2FLEXPART, DEBUG, INPUTDIR, |
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| 359 | OUTPUTDIR, FLEXPART_ROOT_SCRIPTS |
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| 360 | For more information about format and content of the parameter see |
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| 361 | documentation. |
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| 362 | ''' |
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| 363 | parser = ArgumentParser(description='Retrieve FLEXPART input from ' + \ |
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| 364 | 'ECMWF MARS archive', |
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[d69b677] | 365 | formatter_class=ArgumentDefaultsHelpFormatter) |
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| 366 | |
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[64cf353] | 367 | # the most important arguments |
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[d69b677] | 368 | parser.add_argument("--start_date", dest="start_date", |
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| 369 | help="start date YYYYMMDD") |
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| 370 | parser.add_argument( "--end_date", dest="end_date", |
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| 371 | help="end_date YYYYMMDD") |
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| 372 | |
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| 373 | parser.add_argument("--start_step", dest="start_step", |
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| 374 | help="start step in hours") |
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| 375 | parser.add_argument( "--end_step", dest="end_step", |
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| 376 | help="end_step in hours") |
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| 377 | |
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[991df6a] | 378 | # some arguments that override the default in the CONTROL file |
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| 379 | parser.add_argument("--levelist", dest="levelist", |
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| 380 | help="Vertical levels to be retrieved, e.g. 30/to/60") |
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| 381 | parser.add_argument("--area", dest="area", |
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| 382 | help="area defined as north/west/south/east") |
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| 383 | parser.add_argument("--paramIds", dest="paramIds", |
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| 384 | help="parameter IDs") |
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| 385 | parser.add_argument("--prefix", dest="prefix", default='EN', |
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| 386 | help="output file name prefix") |
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[d69b677] | 387 | |
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| 388 | # set the working directories |
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[991df6a] | 389 | parser.add_argument("--inputdir", dest="inputdir", default=None, |
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[d69b677] | 390 | help="root directory for storing intermediate files") |
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[991df6a] | 391 | parser.add_argument("--outputdir", dest="outputdir", default=None, |
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[d69b677] | 392 | help="root directory for storing output files") |
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| 393 | parser.add_argument("--flexpart_root_scripts", dest="flexpart_root_scripts", |
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[991df6a] | 394 | help="FLEXPART root directory (to find \ |
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| 395 | 'grib2flexpart and COMMAND file)\n \ |
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| 396 | Normally ECMWFDATA resides in the scripts directory \ |
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| 397 | of the FLEXPART distribution") |
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[d69b677] | 398 | |
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[991df6a] | 399 | parser.add_argument("--controlfile", dest="controlfile", |
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| 400 | default='CONTROL.temp', help="file with CONTROL parameters") |
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[d69b677] | 401 | args = parser.parse_args() |
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| 402 | |
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| 403 | try: |
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[991df6a] | 404 | c = ControlFile(args.controlfile) |
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[d69b677] | 405 | except IOError: |
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| 406 | try: |
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[991df6a] | 407 | c = ControlFile(localpythonpath + args.controlfile) |
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[d69b677] | 408 | |
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| 409 | except: |
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[991df6a] | 410 | print 'Could not read CONTROL file "' + args.controlfile + '"' |
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[d69b677] | 411 | print 'Either it does not exist or its syntax is wrong.' |
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[991df6a] | 412 | print 'Try "' + sys.argv[0].split('/')[-1] + \ |
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| 413 | ' -h" to print usage information' |
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[d69b677] | 414 | exit(1) |
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[64cf353] | 415 | |
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| 416 | if args.levelist: |
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[991df6a] | 417 | c.levels = args.levelist.split('/') |
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[d69b677] | 418 | else: |
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[991df6a] | 419 | c.levels = [0] |
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[d69b677] | 420 | if args.area: |
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[991df6a] | 421 | c.area = args.area.split('/') |
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[d69b677] | 422 | else: |
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[991df6a] | 423 | c.area = '[0,0]' |
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[64cf353] | 424 | |
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[991df6a] | 425 | c.paramIds = args.paramIds.split('/') |
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[d69b677] | 426 | if args.start_step: |
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[991df6a] | 427 | c.start_step = int(args.start_step) |
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[d69b677] | 428 | else: |
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[991df6a] | 429 | c.start_step = 0 |
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[d69b677] | 430 | if args.end_step: |
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[991df6a] | 431 | c.end_step = int(args.end_step) |
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[d69b677] | 432 | else: |
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[991df6a] | 433 | c.end_step = 0 |
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[d69b677] | 434 | |
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[991df6a] | 435 | c.start_date = args.start_date |
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| 436 | c.end_date = args.end_date |
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| 437 | c.prefix = args.prefix |
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| 438 | c.inputdir = args.inputdir |
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[d69b677] | 439 | if args.outputdir: |
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[991df6a] | 440 | c.outputdir = args.outputdir |
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[d69b677] | 441 | else: |
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[991df6a] | 442 | c.outputdir = c.inputdir |
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[64cf353] | 443 | |
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[991df6a] | 444 | return args, c |
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[d69b677] | 445 | |
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| 446 | if __name__ == "__main__": |
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[991df6a] | 447 | main() |
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[64cf353] | 448 | |
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