Re: writing to a netcdf file

The 'simple' method is recommended for most nc file creations.

Use the _Wrap functions to preserve meta data.
Use printVarSummary to look at variables.

If you are new to NCL, please read the Mini-Language Manual at:

http://www.ncl.ucar.edu/Document/Manuals/
===
See attached

Good Luck

On 2/19/14, 5:00 AM, Marston Johnston wrote:
> Hi,
>
> Here are a few examples of how to output your data to a netcdf file in NCL.
>
> http://www.ncl.ucar.edu/Applications/o-netcdf.shtml
>
> The methods available depends on how efficient you want your script to be.
> The easiest method takes a long time to write data to a netcdf file. Faster
> ways require you to predefine your variables before writing them to the
> file. It's a bit more coding but helps you to better understand NCL and
> netcdf file conventions.
>
> Good luck!
>
> /M
>
>
>
> On Wed, Feb 19, 2014 at 12:23 PM, Steeven Paul Yerraguntla <
> steevenpaul@gmail.com> wrote:
>
>> Dear seniors,
>> This is to a query regarding how to write the filtered data,
>> which was extracted using one of NCL filters, to a netcdf file without
>> loosing the time axis and lat and lon information. In the following example
>> ncl file, i want to write the *xBPF* variable without loosing time axis
>> etc., to a netcdf file. Thanks in advance for the solution.
>>
>>
>> ******************************************************************************************
>>
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>> begin
>>
>> diri = "/Users/shea/Data/AMWG/"
>> vName = "U_anom" ; name of variable on the file
>> fili = "uwnd.day.850.anomalies.1980-2005.nc"
>> f = addfile(diri+fili, "r")
>> x = f->$vName$(:,{0},{120})
>>
>> ; ***********************************************
>> ; create the filter weights and apply
>> ; ***********************************************
>>
>> ihp = 2 ; band pass
>> sigma = 1.0 ; Lanczos sigma
>>
>> nWgt = 201 ; loose 100 each end
>> fca = 1./100. ; start freq
>> fcb = 1./20. ; last freq
>> wgt = filwgts_lanczos (nWgt, ihp, fca, fcb, sigma )
>> *xBPF * = wgt_runave ( x, wgt, 0 ) ; 20-100 day
>>
>>
>> *************************************************************************************************
>>
>> regards,
>> Paul.
>>
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>
>
>
>
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