Entire Grid Undefined

[Isabella Bovolo]

Dear Jennifer,

thank you very much for your useful reply.

Isabella

-------
Dr. C. Isabella Bovolo

Email:  Isabella.Bovolo at ncl.ac.uk
Tel:    +44 191 222 8599
Fax:    +44 191 222 6669
School of Civil Engineering and Geosciences,
Newcastle University, NE1 7RU, England, UK


On Fri, 25 Sep 2009, Jennifer Adams wrote:

>
> On Sep 25, 2009, at 10:32 AM, Isabella Bovolo wrote:
>
>>
>>  Grid limits of file:     X = 1 360  Y = 1 181  Z = 1 1  T = 1 1  E
>> = 1 1
>>  Grid limits of request:  X = 1 361  Y = 1 181  Z = 1 1  T = 0 0  E
>> = 1 1
>
> Your time dimension is set to the first time of the first file, but
> your second file is not defined at that time.
>
> An excerpt from the doc page http://iges.org/grads/gadoc/variable.html :
> "When you specify a dimension in grid units, GrADS always converts it
> to world coordinates. In general, this conversion is done using the
> scaling of the default file. The only exception to this rule is in
> this case, when a grid coordinate (x, y, z, t, or e) is supplied
> within a dimexpr as part of a variable specification. In the case of
> this special exception, the conversion is done using the scaling for
> the file that variable is to be taken from."
>
> ga-> d cp.2(t=1)
>
> should give you the display you're looking for.
>
> Your life would be a lot easier if you aggregate these data files
> together into a single using templating.
> http://iges.org/grads/gadoc/templates.html
>
>
> --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
>
>
>
>