[ncl-talk] Read multiple nc files
Wang Xinyue
wang.xinyue.q6 at dc.tohoku.ac.jp
Sat Dec 23 20:36:36 MST 2017
Hi Karin,
Thanks for the reply.
However, it did not work, I got the same warning:
> On Dec 22, 2017, at 23:59, Karin Meier-Fleischer <meier-fleischer at dkrz.de> wrote:
>
> Try:
> fils = systemfunc("ls *.nc")
> setfileoption("nc", "FileStructure", "Advanced")
> f = addfiles(fils,"r")
> -Karin
>
> Am 22.12.17 um 12:20 schrieb Wang Xinyue:
>> Hi Karin,
>>
>> Thanks for your prompt reply!
>> The 199902 dataset is just one of the datasets I want to read, I selected that one randomly and every single dataset got the same warning as:
>>>> warning:_NclOpenFile: Can not open file </.../.../merra2/MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc>; file format not supported or file is corrupted
>>
>>>
>>
>>
>> The ncl_filedump output is like this:
>>
>> Variable: f
>> Type: file
>> filename: MERRA2_400.tavgM_3d_cld_Np.201112.nc4
>> path: /.../MERRA2_400.tavgM_3d_cld_Np.201112.nc4.nc
>> file global attributes:
>> History : Original file generated: Sat Jul 4 21:58:25 2015 GMT
>> Filename : MERRA2_400.tavgM_3d_cld_Np.201112.nc4
>> Comment : GMAO filename: d5124_m2_jan10.tavg3_3d_cld_Np.monthly.201112.nc4
>> Conventions : CF-1
>> Institution : NASA Global Modeling and Assimilation Office
>> References : http://gmao.gsfc.nasa.gov <http://gmao.gsfc.nasa.gov/>
>> Format : NetCDF-4/HDF-5
>> SpatialCoverage : global
>> VersionID : 5.12.4
>> TemporalRange : 1980-01-01 -> 2016-12-31
>> identifier_product_doi_authority : http://dx.doi.org/ <http://dx.doi.org/>
>> ShortName : M2TMNPCLD
>> RangeBeginningDate : 2011-12-01
>> RangeEndingDate : 2011-12-31
>> GranuleID : MERRA2_400.tavgM_3d_cld_Np.201112.nc4
>> ProductionDateTime : Original file generated: Sat Jul 4 21:58:25 2015 GMT
>> LongName : MERRA2 tavg3_3d_cld_Np: 3d,3-Hourly,Time-Averaged,Pressure-Level,Assimilation,Cloud Diagnostics Monthly Mean
>> Title : MERRA2 tavg3_3d_cld_Np: 3d,3-Hourly,Time-Averaged,Pressure-Level,Assimilation,Cloud Diagnostics Monthly Mean
>> SouthernmostLatitude : -90.0
>> NorthernmostLatitude : 90.0
>> WesternmostLongitude : -180.0
>> EasternmostLongitude : 179.375
>> LatitudeResolution : 0.5
>> LongitudeResolution : 0.625
>> DataResolution : 0.5 x 0.625 (42 pressure levels)
>> Source : CVS tag: GEOSadas-5_12_4
>> Contact : http://gmao.gsfc.nasa.gov <http://gmao.gsfc.nasa.gov/>
>> identifier_product_doi : 10.5067/J9R0LXGH48JR
>> RangeBeginningTime : 00:00:00.000000
>> RangeEndingTime : 23:59:59.000000
>> DODS_EXTRA.Unlimited_Dimension : time
>> history : 2017-12-10 06:40:28 GMT Hyrax-1.13.4 https://goldsmr5.gesdisc.eosdis.nasa.gov:443/opendap/MERRA2_MONTHLY/M2TMNPCLD.5.12.4/2011/MERRA2_400.tavgM_3d_cld_Np.201112.nc4.nc?CLOUD[0:0][0:41][0:360][0:575],time,lev,lat[0:360],lon[0:575 <https://goldsmr5.gesdisc.eosdis.nasa.gov/opendap/MERRA2_MONTHLY/M2TMNPCLD.5.12.4/2011/MERRA2_400.tavgM_3d_cld_Np.201112.nc4.nc?CLOUD[0:0][0:41][0:360][0:575],time,lev,lat[0:360],lon[0:575>]
>> dimensions:
>> time = 1
>> lev = 42
>> lat = 361
>> lon = 576
>> variables:
>> float CLOUD ( time, lev, lat, lon )
>> long_name : cloud_fraction_for_radiation
>> units : 1
>> _FillValue : 1e+15
>> missing_value : 1e+15
>> fmissing_value : 1e+15
>> vmax : 1e+15
>> vmin : -1e+15
>> valid_range : ( -1e+15, 1e+15 )
>> origname : CLOUD
>> fullnamepath : /CLOUD
>>
>> double lat ( lat )
>> CLASS : DIMENSION_SCALE
>> NAME : lat
>> long_name : latitude
>> units : degrees_north
>> vmax : 1e+15
>> vmin : -1e+15
>> valid_range : ( -1e+15, 1e+15 )
>> origname : lat
>> fullnamepath : /lat
>>
>> double lev ( lev )
>> CLASS : DIMENSION_SCALE
>> NAME : lev
>> long_name : vertical level
>> units : hPa
>> positive : down
>> vmax : 1e+15
>> vmin : -1e+15
>> valid_range : ( -1e+15, 1e+15 )
>> origname : lev
>> fullnamepath : /lev
>>
>> double lon ( lon )
>> CLASS : DIMENSION_SCALE
>> NAME : lon
>> long_name : longitude
>> units : degrees_east
>> vmax : 1e+15
>> vmin : -1e+15
>> valid_range : ( -1e+15, 1e+15 )
>> origname : lon
>> fullnamepath : /lon
>>
>> integer time ( time )
>> CLASS : DIMENSION_SCALE
>> NAME : time
>> long_name : time
>> units : minutes since 2011-12-01 01:30:00
>> time_increment : 60000
>> begin_date : 20111201
>> begin_time : 13000
>> vmax : 1e+15
>> vmin : -1e+15
>> valid_range : ( -1e+15, 1e+15 )
>> origname : time
>> fullnamepath : /time
>> Thanks,
>> Xinyue
>>> On Dec 22, 2017, at 19:16, Karin Meier-Fleischer via ncl-talk <ncl-talk at ucar.edu <mailto:ncl-talk at ucar.edu>> wrote:
>>>
>>> Hi Xinyue,
>>>
>>> please, send the output of ncl_filedump from MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc
>>>
>>> -Karin
>>>
>>>
>>> Am 22.12.17 um 10:16 schrieb Wang Xinyue via ncl-talk:
>>>> Hi there,
>>>>
>>>> I met with a problem in reading nc files.
>>>> I can use the following commands to read NCEP datasets:
>>>>
>>>> fils = systemfunc("ls /.../.../ncep/omega/*.nc”)
>>>> f = addfiles(fils, "r”)
>>>>
>>>> But when I use the same commands to read ERA-I datasets and MERRA2 datasets, it warned like this:
>>>>
>>>> warning:_NclOpenFile: Can not open file </.../.../merra2/MERRA2_200.tavgM_3d_cld_Np.199902.nc4.nc>; file format not supported or file is corrupted
>>>>
>>>> Is anyone there had similar experience before? And how did you fix it?
>>>>
>>>> Looking forward to your reply.
>>>>
>>>> Thanks,
>>>> Xinyue
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> ncl-talk at ucar.edu <mailto:ncl-talk at ucar.edu>
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk <http://mailman.ucar.edu/mailman/listinfo/ncl-talk>
>>>
>>> --
>>> Dipl. Geophys. Karin Meier-Fleischer
>>> Visualization, NCL, CDO
>>> Application Support
>>>
>>> Deutsches Klimarechenzentrum GmbH (DKRZ)
>>> Bundesstrasse 45a - D20146 Hamburg - Germany
>>>
>>> Phone: +49 (0)40 460094 126
>>> Fax: +49 (0)40 460094 270
>>> E-Mail: meier-fleischer at dkrz.de <mailto:meier-fleischer at dkrz.de>
>>> URL: www.dkrz.de <http://www.dkrz.de/>
>>>
>>> Geschäftsführer: Prof. Dr. Thomas Ludwig
>>> Sitz der Gesellschaft: Hamburg
>>> Amtsgericht Hamburg HRB 39784
>>> _______________________________________________
>>> ncl-talk mailing list
>>> ncl-talk at ucar.edu <mailto:ncl-talk at ucar.edu>
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk <http://mailman.ucar.edu/mailman/listinfo/ncl-talk>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171224/d251ad61/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: PastedGraphic-3.png
Type: image/png
Size: 181076 bytes
Desc: not available
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171224/d251ad61/attachment.png>
More information about the ncl-talk
mailing list