[ncl-talk] wrf_user_getvar for 3d variables in multiple files

[Mary Haley]

Sheng-Hung,

Using a list of files should work with wrf_user_getvar, but you didn't
indicate how the function was failing, or how you are trying to open the
files.

It should work with something like this:

ncl 0> fnames = systemfunc("ls -1 wrfout_d01_2008-09-29*")
ncl 1> print("# of files = " + dimsizes(fnames))
(0)     # of files = 48
ncl 2> a = addfiles(fnames,"r")
ncl 3> t = wrf_user_getvar(a,"T2",-1)
ncl 4> printVarSummary(t)

Variable: t
Type: float
Total Size: 7791744 bytes
            1947936 values
Number of Dimensions: 3
Dimensions and sizes: [Time | 48] x [south_north | 197] x [west_east | 206]
Coordinates:
Number Of Attributes: 6
  FieldType : 104
  MemoryOrder : XY
  description : TEMP at 2 M
  units : K
  stagger :
  coordinates : XLONG XLAT
ncl 5>

--Mary


On Mon, Dec 4, 2017 at 12:08 PM, Sheng-Hung Wang <wang.446 at osu.edu> wrote:

> Hi
>
> Is there a problem (or bug) for following NCL statement
>
> wrf_P = wrf_user_getvar(a,"pressure",-1)
>
> a is multiple wrfout files.
>
> When I changed time=-1 to single time step, the function worked. It didn't
> work on multiple time steps.
>
> Thanks
>
> Sheng-Hung
>
> --
> ========================================
>  Sheng-Hung Wang, PhD
>  Polar Meteorology Group
>  Byrd Polar and Climate Research Center
>  The Ohio State University
>  1090 Carmack Road, Columbus, Ohio 43210
>  Phone: (614) 292-1060
>  Fax:   (614) 292-4697
>  email: wang.446 at osu.edu
> ========================================
>
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