ctbtodev
Last change
on this file since e879023 was
2193808,
checked in by anphi <anne.philipp@…>, 5 years ago
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added ensemble analysis/forecast retrievement option
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-
Property mode set to
100644
|
File size:
1.6 KB
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Line | |
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1 | import os,sys,glob |
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2 | from gribapi import * |
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3 | import numpy |
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4 | |
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5 | def opposite(prefix): |
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6 | fclist=glob.glob(prefix+'*'+'N000') |
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7 | |
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8 | for fcn in fclist: |
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9 | nprefix=fcn.split('N000')[0] |
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10 | f=open(nprefix+'N{:0>3}'.format(0),'rb') |
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11 | fcvalues=[] |
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12 | while 1: |
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13 | try: |
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14 | fid=grib_new_from_file(f) |
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15 | if fid is not None: |
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16 | fcvalues.append(grib_get_array(fid,'values')) |
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17 | grib_release(fid) |
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18 | else: |
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19 | break |
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20 | except: |
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21 | break |
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22 | for i in range(1,26): |
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23 | try: |
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24 | g=open(nprefix+'N{:0>3}'.format(i),'rb') |
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25 | h=open(nprefix+'N{:0>3}'.format(i+25),'wb') |
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26 | j=0 |
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27 | while 1: |
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28 | try: |
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29 | gid=grib_new_from_file(g) |
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30 | if gid is not None: |
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31 | values=grib_get_array(gid,'values') |
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32 | grib_set_array(gid,'values',values-2*(values-fcvalues[j])) |
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33 | grib_set(gid, 'number', i+25) |
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34 | grib_write(gid,h) |
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35 | grib_release(gid) |
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36 | j+=1 |
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37 | else: |
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38 | break |
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39 | except: |
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40 | break |
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41 | g.close() |
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42 | h.close() |
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43 | print('wrote '+nprefix+'N{:0>3}'.format(i+25)) |
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44 | except: |
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45 | break |
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46 | f.close() |
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47 | return |
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48 | |
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49 | if __name__ == "__main__": |
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50 | opposite(os.path.expandvars('EN')) |
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51 | |
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52 | |
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53 | |
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