Pete,
I believe you mean Level III (NIDS products).
GEMPAK and McIDAS used a different technique, relying on the
bit checksum defined by zlib, rather than a hard coded value,
and so both will continue to work.
Steve Chiswell
Unidata User Support
On Thu, 13 Jun 2002, Pete Pokrandt wrote:
>
> Thanks to Dan V for this info. The ucnids.c program I'm using
> to uncompress the data suffers from this same problem.
>
> Pete
>
>
> > ------- Forwarded Message
> >
> > For those of you who don't know. NWS subtly changed the NIDS zlib
> > compression today. WXP used a 789C sequence to determine whether the
> > data are compressed or not. As of this morning, this changed to 78DA.
> > So WXP now doesn't realize the NIDS data is compressed and thus is not
> > decoding the data properly. I'm working on a fix which should be out
> > shortly.
> >
> > - --
> > ________________________________________________________
> > Daniel Vietor
>
>
>
> ------- End of Forwarded Message
>
>