[ncl-talk] Regridding Multiple Moving Nests into One Domain

[Mansur Ali Jisan]

Thanks a lot, Dennis. It worked perfectly. Following is the final code and
printVarSummary

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"

f1    = addfile("input.nc","r")
f2    = addfile("dst_grd2.nc","r")
ncdf = addfile("output.nc" ,"c")

ws = f1->ws

printVarSummary(ws)

latGrid = f2->lat
lonGrid = f2->lon

ntim = 80

nLatGrid = dimsizes(latGrid)
nLonGrid = dimsizes(lonGrid)

stdGrid   =  new( (/ntim,nLatGrid,nLonGrid/),
typeof(ws),getVarFillValue(ws))

do nt=0,ntim-1

lat = f1->lat
lon = f1->lon

stdGrid(nt,:,:)    =  linint2_Wrap (lon, lat, ws(nt,:,:),  False, lonGrid,
latGrid, 0)

end do

printVarSummary(stdGrid)

ncdf->stdGrid=stdGrid

*Variable: ws*
*Type: float*
*Total Size: 462337280 bytes*
*            115584320 values*
*Number of Dimensions: 3*
*Dimensions and sizes:   [time | 80] x [lat | 1202] x [lon | 1202]*
*Coordinates:*
*            lat: [16.70408..27.50491]*
*            lon: [-83.0238..-71.36649]*
*Number Of Attributes: 0*

*Variable: stdGrid*
*Type: float*
*Total Size: 1566720000 bytes*
*            391680000 values*
*Number of Dimensions: 3*
*Dimensions and sizes:   [80] x [lat | 4080] x [lon | 6000]*
*Coordinates:*
*            lat: [18.00208332523518..34.99791665857011]*
*            lon: [-89.99791666469852..-65.00208333138792]*
*Number Of Attributes: 1*
*  _FillValue :  9.96921e+36*

Regards,
Mansur




On Thu, Jan 17, 2019 at 4:05 PM Dennis Shea <shea at ucar.edu> wrote:

> Yes. Details are necessary.
> You should *always *include a printVarSummary or information from
> ncl_filedump or 'ncdump -h'
>
> This is an outline. You will have to alter for your use.
>
> If the source variable [say, 'x' ] generically looks looks like:
> Dimensions and sizes:   [time | 318] x [lat | 1202] x [lon | 1202]
> Coordinates:
>             time: [? ]   ; ?ine time
>             lat: [   latMin ... latMax]   ; units degrees_north  ; lat(lat)
>             lon: [   lonMin...lonMax]  ; units degrees east    ; lon(lon)
>
> ===
>  latGrid =                                   ; destination latitudes
>  lonGrid =                                  ; destination longitudes
>  nLatGrid = dimsizes(latGrid)
>  nLonGrid = dimsizes(lonGrid)
>  stdGrid   =  new( (/ntim,nLatGrid,nLonGrid/),
> typeof(x),getVarFillValue(x)) ; destination grid
>
> do nt=0,ntim-1
>      lat_nt  = ...     ; rectilinear latitudes for current (nt) time
>      lon_nt =         ;                 longitudes
>      stdGrid(nt,:,:)    =  *linint2_Wrap*
> <http://www.ncl.ucar.edu/Document/Functions/Contributed/linint2_Wrap.shtml>
> (lon_nt, lat_nt, x_nt(nt,:,:),  False, lonGrid, latGrid, 0)
>  end do
>
>  printVarSummary(stdGrid)
>
>
> On Thu, Jan 17, 2019 at 11:36 AM Mansur Ali Jisan <jisan.mansur at gmail.com>
> wrote:
>
>> Hello,
>>
>> I need a suggestion in projecting multiple moving nest data into one
>> standard grid. I'm not sure which regridding function I should use. A few
>> details about the data:
>>
>> It's a dimensional wind speed data attached with lat-long dimension.
>> There are total 318 timesteps and every 15 minutes the domain moves to a
>> newer position. It's currently projected in a rectilinear grid with 1202
>> grid cells X-direction and 1202 grid cells in Y-direction. The data file is
>> in NetCDF format. Any suggestion will be very helpful. Please let me know
>> if I need to add details.
>>
>> Best Regards,
>> Mansur
>>
>> --
>> *Mansur Ali Jisan*
>> Ph.D. Student
>> URI Graduate School of Oceanography, RI 02882
>> http://jisan-mansur.com/
>>
>> <hasancee at iut-dhaka.edu>
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk at ucar.edu
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>

-- 
*Mansur Ali Jisan*
Ph.D. Student
URI Graduate School of Oceanography, RI 02882
http://jisan-mansur.com/

<hasancee at iut-dhaka.edu>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20190118/704b30ca/attachment.html>