New Documentation for the Ensemble Dimension

[Jennifer Adams]

The template substitution string should be just %e, and your edef
should have the 2-digit names:
   dset ^mmm%e.dat
   edef 11 names 01 02 03 04 05 06 07 08 09 10 11
There is no formatting of numbers with %e  -- it is a straight
substitution of the ensemble name given in EDEF.

Also, since your data do not vary in Z, then the variable declaration
should be:
s 0 99 height

--Jennifer

On Jan 16, 2009, at 11:48 AM, Lemmy wrote:

> Hi Jennifer,
>
> I have gone through the instructions of using ensemble dimension but
> somehow my data files are not opened properly.
>
> Here are the ensemble of 11 data files I have:
>
> mmm00.dat
> mmm01.dat
> .....
> mmm11.dat
>
> Here is my ctl file:
>
> DSET ^mmm%e2.dat
> OPTIONS template
> TITLE etkf
> UNDEF -99999
> XDEF  51 linear 0  2.5
> YDEF  21 linear 0  2.5
> ZDEF  1   linear 0 1
> TDEF  500  linear 00z01apr99 3hr
> EDEF  11 names 1 2 3 3 4 5 6 7 8 9 10 11
> vars 1
> s 1 99 height
> endvars
>
> and here is the result:
>
> Scanning description file:  baro.ctl
> Data file mmm%e2.dat is open as file 1
>
> I would expect it to open mmm01.dat,...., but it plainly opened just
> mmm%e2.dat. What surprised me further is that although the file mmm
> %e2.dat does not exist, the X-window is still popped up as if it
> works. I appreciate your any help very much.
>
> Lemmy
>
>
>
>
>
>
> --- On Thu, 15/1/09, Jennifer Adams <jma at COLA.IGES.ORG> wrote:
> From: Jennifer Adams <jma at COLA.IGES.ORG>
> Subject: New Documentation for the Ensemble Dimension
> To: GRADSUSR at LIST.CINECA.IT
> Date: Thursday, 15 January, 2009, 7:57 AM
>
> Hi, Everyone --
> I have added a new section to the User's Guide that explains how the
> ensemble dimension has been implemented in GrADS 2.0. Additional
> topics include how to create a descriptor file for an ensemble data
> set, how to organize your data using templating, special
> considerations for certain data formats, and some examples (with
> illustrations!) using real data.
>
> http://iges.org/grads/gadoc/ensembles.html
>
> Real time NCEP GFS Ensemble forecasts are behind our GDS at
> http://monsoondata.org:9090/dods/gfsens/
> Why not take a moment to fire up 'gradsdap', use 'sdfopen' to
> access
> the latest forecast, and start playing with ensemble data. It's cool!
>
> --Jennifer

--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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