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Re: Descriptor hard limitations
I seem to have run into a Ferret roadblock with a limitation
on the number of named regions that can be defined.
It would appear that the current limit is about 10.
My goal is to pre-define and name regions around the mouths
of major global rivers in order to facilitate analyses
of modeled river disharges in a coupled climate model,
and we are interested in more than 10 rivers.
But when I try to define an 11th named region, ferret v 5.41
returns...
DEFINE REGION/X=29E:33E/Y=30N:33N NILE
**ERROR: a program limit has been reached: Cancel or redefine a region
Canceling regions is not a workable alternative ... the idea was
to have a sizable set of pre-defined regions available for us
to switch among by using the river names.
If I haven't missed something, and there is a current hard limit of
10, I would hope that the limit on the number of regions that can be
defined and named could be greatly increased in future releases.
Keith Dixon
( kd@gfdl.noaa.gov )
- - -
> Hi Rick, and everyone,
> Thanks for letting us know about your frustrations. We can
> raise all of these limits, and will do so in the next release after
> version 5.41.
>
> In general, please do tell us when you're running into any kind
> of roadblock with Ferret. Ferret users are stretching Ferret
> to its limits in all kinds of ways, and we don't always hear about
> it. Most of these hard limits are because much of the core source
> code in Ferret is f77 code. Sometimes array dimensions can
> simply be increased, or other minor changes can be made to
> lift restrictions without too much trouble.
>
> We're also working on a document that will list the values of
> limits that are built in to Ferret. I'll post a note about that when
> it's available.
>
> Ansley Manke
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