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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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