[gradsusr] undef in GrADS 2

[Jennifer Adams]

On Jun 7, 2010, at 9:37 AM, Phil Cogbill wrote:

> Works like a charm!  I had seen this note, but thought that since we  
> had a newer version of GrADS than 2.0.a6 that it wouldn't be an  
> issue.  Like a version specific bug since it says...
>
> "  If you are administering a GDS version 2.0 with GrADS 2.0.a6  
> behind it...  "
I have updated the message on the GDS homepage with "... 2.0.a6 or  
higher behind it ..."
That was an important clarification. Thanks for pointing it out. Glad  
to hear your GDS is working as expected now.
--Jennifer


>
>  This is a huge help and has cleared up a lot of issues we had  
> coming from GDS.  Thanks a TON!
>
> Again, thank you so much!
>
> --Phil
>
>
> Jennifer Adams wrote:
>>
>> Yes, this does also affect the GDS. Here's the scoop from the GDS  
>> home page:
>>
>> Important Note for GDS Administrators (June 2009): The recent  
>> release of GrADS (version 2.0.a6) implemented some necessary  
>> changes related to the handling of undefined values. These changes  
>> can affect the GDS. If you are administering a GDS version 2.0 with  
>> GrADS 2.0.a6 behind it, then a 1-line patch is needed for the file  
>> $GDSHOME/scripts/subset.gs. The patched version is here. Updating  
>> the subset.gs script does not require a reinstallation or even a  
>> reload of your GDS.
>>
>> In case the link doesn't work, the patched version is http://iges.org/grads/gds/patched_subset.gs
>>
>> --Jennifer
>>
>>
>> On Jun 4, 2010, at 3:58 PM, Phil Cogbill wrote:
>>
>>> Thanks Jennifer!
>>>
>>> I read about this some more and that worked great in GrADS 2, but  
>>> what about GDS 2?  I am still seeing this problem coming from GDS  
>>> 2 and it is causing problems for other software that uses the GDS2  
>>> service.  I've looked through the configuration reference for GDS,  
>>> but do not see a way to set undef.  Any ideas?
>>>
>>> Phil
>>>
>>>
>>> Jennifer Adams wrote:
>>>>
>>>> Hi, Phil --
>>>> Undef handling was changed in version 2.0.a6. Please use the 'set  
>>>> undef' command to set the undef value for all GrADS display and  
>>>> output.
>>>> The changelog has the notification of this change http://iges.org/grads/changelog-2.0.txt 
>>>>  .
>>>> Please also look at the documentation: http://iges.org/grads/gadoc/gradcomdsetundef.html
>>>> Search the archives for "set undef" and you'll find more posts  
>>>> about this.
>>>> --Jennifer
>>>>
>>>>
>>>> On Jun 4, 2010, at 2:54 PM, Phil Cogbill wrote:
>>>>
>>>>> I am having a problem with GrADS not honoring the undef value in  
>>>>> the
>>>>> control files and instead use -9.99e8 rather than 9.999e20.   
>>>>> This has
>>>>> just recently come about when we upgraded to GrADS 2.  Do I need  
>>>>> to add
>>>>> to my control file something for this to work?
>>>>>
>>>>> Thanks!
>>>>> Phil
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> gradsusr mailing list
>>>>> gradsusr at gradsusr.org
>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>
>>>> --
>>>> Jennifer M. Adams
>>>> IGES/COLA
>>>> 4041 Powder Mill Road, Suite 302
>>>> Calverton, MD 20705
>>>> jma at cola.iges.org
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>> _______________________________________________
>>> gradsusr mailing list
>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>> --
>> Jennifer M. Adams
>> IGES/COLA
>> 4041 Powder Mill Road, Suite 302
>> Calverton, MD 20705
>> jma at cola.iges.org
>>
>>
>>
>>
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>>
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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