Dimension Error: What does it mean???

[Jennifer Adams]

On Nov 10, 2008, at 9:25 AM, Mald MM5 wrote:

> Thank you...
>
> So there is noway I can make this to work in version 1.8??
No.

> At my institution this is the version they have.
Ask your sysadm to install the new version!

> I tried version 2.0.a3 on my laptop and it works like a charm.
That's good! Mention that to your sysadm when you ask for the upgrade.

> But my version on lap does not have printim. I remember it was not
> enabled. How can I enable that during compilation.
You need to build zlib, libpng, and libgd to enable printim. Please
see http://grads.iges.org/grads/gadoc/supplibs.html for links to the
source code and library home pages.

> Any where I can refer to/
Looks like your email was cut off here...

Jennifer

>
>
> Thanks
>
>
> On Mon, Nov 10, 2008 at 6:47 PM, Jennifer Adams <jma at cola.iges.org>
> wrote:
> Ah, now I see. You've got precision errors because your grid is 112
> x 112 and covers an area approximately 0.25 degrees square --
> that's a very high resolution grid! Forget version 1.8, skip
> version 1.9, and start using version 2.0 (with double precision
> handling) to represent this data properly.
> Jennifer
>
> On Nov 10, 2008, at 8:30 AM, Mald MM5 wrote:
>
>> Hi there,
>>
>> When I do 'set x 36' it still does the same giving me the same error:
>>
>> ga-> set X 36
>> LON set to 73.542 73.542
>> ga-> d w
>> Data Request Error: Invalid grid coordinates
>>   World coordinates convert to non-integer grid coordinates
>>     Variable = w  Dimension = 0
>>   Error ocurred at column 1
>> DISPLAY error:  Invalid expression
>>   Expression = w
>>
>> my 'q dims' now is:
>> ga-> q dims
>> Default file number is: 1
>> X is fixed     Lon = 73.542  X = 36.0016
>> Y is fixed     Lat = 1.8964  Y = 63
>> Z is fixed     Lev = 1000  Z = 2
>> T is varying   Time = 18Z11JAN2006 to 18Z12JAN2006  T = 1 to 25
>>
>> For some reason even though I do a 'set x 36' it takes x=36.0016
>> not as a whole integer...is there anything to do with the version
>> am using..Am using version 1.8SL11
>>
>> Thanks
>> Mald
>>
>>
>> On Mon, Nov 10, 2008 at 5:47 PM, Jennifer Adams
>> <jma at cola.iges.org> wrote:
>>
>> On Nov 9, 2008, at 11:59 PM, Mald MM5 wrote:
>>
>>> Hi there,
>>>
>>> I am trying to generate a time-series plot at a single point from
>>> a WRF output file. The grid dimensins are X,Y=112  points and Z
>>> is 32 levels. After opening the file, "q dims" gives the following.
>>>
>>> ga-> q dims
>>>
>>> Default file number is: 1
>>> X is varying Lon = 73.465 to 73.7092 X = 1.00002 to 112.001
>>> Y is varying Lat = 1.76 to 2.0042 Y = 1.00002 to 112
>>> Z is fixed Lev = 0.01 Z = 1
>>>
>>> T is fixed Time = 18Z11JAN2006 T = 1
>>>
>>> Then I set the environment to a single point. Now the "q dims" give:
>>>
>>> ga-> q dims
>>> Default file number is: 1
>>> X is fixed Lon = 73.542 X = 36.0016
>>> Y is fixed Lat = 1.8964 Y = 63
>>> Z is fixed Lev = 0.015 Z = 2
>>> T is varying Time = 18Z11JAN2006 to 18Z12JAN2006 T = 1 to 25
>>>
>>> Then I issued the command to get the vertical velocity time
>>> series as "d w" and it gives:
>>>
>>> ga-> d w
>>> Data Request Error: Invalid grid coordinates
>>>   World coordinates convert to non-integer grid coordinates
>>>   Variable = w Dimension = 0
>>>
>> Dimension 0 is X ... and your longitude value of 73.542 resolves
>> to a grid coordinate that is not an integer: 36.0016. If you 'set
>> x 36' and try again, it should be fine.
>> --Jennifer
>>
>>>
>>>   Error ocurred at column 1
>>> DISPLAY error: Invalid expression
>>>   Expression = w
>>>
>>> Variable w is present in when I do a "q file" and I can plot the
>>> w field on an XY plane for any time, which means no problem with
>>> the field.
>>>
>>> I had the same done for my coarser grid with no probelm where the
>>> coarser grid had 90x90 points. What does this error means and how
>>> do I fix this
>>> Thank you
>>>
>>
>> --
>> Jennifer M. Adams
>> IGES/COLA
>> 4041 Powder Mill Road, Suite 302
>> Calverton, MD 20705
>> jma at cola.iges.org
>>
>>
>>
>>
>
> --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
>
>
>
>

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



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