Re: About linint2_Wrap function

This is not enough information.

What does printVarSummary(mm) yield ?

What about printVarSummary(lat2) ?

Note that the documentation states that 'yi'
and 'yo' (ie, lat and lat2) must be increasing.

On 10/5/12 1:38 PM, waqar younas wrote:
>
>
> ---------- Forwarded message ----------
> From: *waqar younas* <vickyqau@gmail.com <mailto:vickyqau@gmail.com>>
> Date: Fri, Oct 5, 2012 at 12:09 AM
> Subject: About linint2_Wrap function
> To: ncl-talk@ucar.edu <mailto:ncl-talk@ucar.edu>
>
>
> Hi to all,
> I am using linint2_Wrap to regrid NCEP precipitation data which is
> originally have 94 lats and 192 lon. I want to regrid to 2.5 by 2.5
> means, to 73 lats and 144 lons.
> But the regridded data is having fill values added, instead of real
> values and i do not know the reason. Here is the code
> begin
>
> aa = addfile("precep_NCEP_1969_2002.nc", "r")
>
> mm = short2flt(aa->prate(0,:,:)) ;;;; taking one time just to make
> sure that code is working or not
>
> m_1a = mm*86400
>
> copy_VarCoords(mm,m_1a)
>
> lon1 = aa->lon
> lat1 = aa->lat
>
> f = addfile ("uwnd.1969.nc <http://uwnd.1969.nc>", "r") ;;;; This
> is file having lats 73 and lon 144.
>
> ff = f->uwnd(0,0,:,:)
> lon2 = f->lon
> lat2 = f->lat
>
> ;newlon = fspan(0,357.5,144)
> ;newlat = fspan(-90,90,73)
>
> ;newlat@units = "degrees_north"
> ;newlon@units = "degress_east"
>
> ;prep = linint2_Wrap(mm&lon,mm&lat,mm,True,newlon,newlat,0)
>
> prep = linint2_Wrap(lon1,lat1,m_1a,True,lon2,lat2,0)
>
> I tried both methods i.e. one using another file which is having the
> lats and lon, i want to have in new file. I took lat and lon of those
> file and applied the function to regrid. The other method is usual way
> which above i commented. Both methods are giving same result i.e adding
> fill values to regrided data instead of real values. Another thing i
> note that lon dimension should be cyclic to put argument True in the
> linint2_Wrap. I do not know which lons are cyclic and if they are not
> cyclic, how to make them?
> Any help would be highly appreciable.
> Thanks.
>
>
>
>
> --
> Best Regards
>
> Waqar Younas
> PhD Candidate
> Natural Resources and Environmental Studies (NRES)
> University of Northern British Columbia (UNBC)
> Canada
>
>
>
>
> --
> Best Regards
>
> Waqar Younas
> PhD Candidate
> Natural Resources and Environmental Studies (NRES)
> University of Northern British Columbia (UNBC)
> Canada
>
>
>
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Received on Fri Oct 5 14:09:33 2012