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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
> 1. Must there be a limit of 7 on the number of levels that
> I can take a simple difference of?
Brian,
Not very sure why you see the limit of 7 levels, the simple difference
should be working. You need to make sure two variables have the same levels.
>
> 2. Could the levels selector be allowed to have multiple non-adjacent entries?
> I seem to be able to select one level, or a range of adjacent levels, but not
> a
> growing set of levels with control-click like I use for selecting times.
>
You can not do it. There must be some reason in the design. I need to find out
why myself.
Yuan
>
>
> ERROR:
> Couldn't get data
> Illegal Range for dimension 1: last requested 16 >
> max 7
>
> Thanks,
> Brian Mapes
>
>
Ticket Details
===================
Ticket ID: ODZ-585215
Department: Support IDV
Priority: Critical
Status: Open