[ncl-talk] Fwd: Reading multiple binary files using addfiles

[Samar Min Allah]

Hi,

Thank you Dennis! I realized what was wrong after Kyle pointed it out, just
replacing  fili = addfiles(diri+fil(nf),"r") with fili = fil(nf) in my
modified script works great.

I also scaled it later after seeing absurdly large values. Thank you, your
script is of great help.


--
Samar


On Thu, Mar 24, 2016 at 12:34 PM, Dennis Shea <shea at ucar.edu> wrote:

> FYI: I have updated the example at:
>
> http://www.ncl.ucar.edu/Applications/HiResPrc.shtml
> See: cpcuni_1.ncl
> <http://www.ncl.ucar.edu/Applications/Scripts/cpcuni_1.ncl>
>
> There are additional options: (i) create netCDF4 rather than the 'classic'
> netCDF-3; (ii) Have the script invoke the netCDF Operatoe 'ncrcat' via
> NCL's 'system' procedure.
>
> The previous example (a) did not set the _FillValue (=-999.0) and (b) did
> not scale the values (*0.1). This does both.
>
> Cheers
>
> On Fri, Mar 18, 2016 at 4:35 PM, Samar Min Allah <minallah at umich.edu>
> wrote:
>
>> I am trying to convert multiple binary files (CPC_Unified precip data) to
>> netcdf format using the following NCL script:
>> https://www.ncl.ucar.edu/Applications/Scripts/cpcuni_1.ncl
>>
>> I modified the script to read multiple files together by adding the
>> following;
>>
>> diri   = "./"
>> fil   = systemfunc("cd "+diri+" ; ls PRCP_CU_GAUGE_V1.0GLB_0.50deg.lnx.*")
>> nfil = dimsizes(fil)
>>
>> do nf = 0,nfil-1
>>    fili = addfiles(diri+fil(nf),"r")
>> netCDF = True
>>    PLOT   = False
>>
>>    if (netCDF) then
>>        ncDir   = "./"
>>        ncFil   = fili+".nc"
>>    end if
>> .
>> .
>> . *(the remaining code is same as the script)*
>> end do
>>
>> When I run the code; I get this error "*Could not coerce values for
>> operation*"
>> Also, I believe addfiles require a file extension but when I add .bin
>> next to the file name I get the message "*...has no file extension,
>> can't determine type of file to open*"
>>
>> I have also attached two sample files.
>>
>> Thanks!
>>
>> ​​
>>
>>
>>
>>
>>
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>
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