This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Hello.
>
> I am trying to show global satellinte imagery over the Pacific.
> I cannot find how to shift longitude and put the seam at 0.
>
Hi Brian,
The satellite imagery from the ADDE server is actually imagery product,
there is no way to shift longitude.
IDV support
> Searching for "Pacifc", "180", "dateline" etc. in the help and online
> documentation
> and FAQs and google finds nothing. Changing the Projection to Australia still
> clips at the
> dateline, and there is no "Pacifc" projection to choose. I am stumped after
> perhaps
> 10 minutes of skilled trying, so either it is not possible, or the
> documentation could use
> adjustment. Either way, time to call in the cavalry (you).
>
>
> Actually the whole universe of satellite imagery is very confusing -
> inscrutable product names,
> many come up empty, and I have found that bundles with satellite data are
> especially fickle.
> This link from the documentation is dead:
> http://www.unidata.ucar.edu/software/idv/docs/userguide/data/choosers/DataSources.html
>
>
> Thanks!
> Brian
>
>
>
Ticket Details
===================
Ticket ID: NQO-486806
Department: Support IDV
Priority: Normal
Status: Closed