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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Matt, Can you explain to me the difference between wind direction and sea direction? I am trying to understand why the options under the derived node in the IDV field selector are not suitable where there are several options to plot as vectors (granted they are called "wind")? Best, Unidata IDV Support > Full Name: Matt Muscato > Email Address: address@hidden > Organization: Weather Routing, Inc. > Package Version: 5.2 build date:2015-08-26 18:19 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\IDV_5.2\jre version: 1.8.0_45 > j3d:1.6.0-pre9-daily-experimental daily > Description of problem: > > Hello again IDV Viewer Support! > > I'd like to plot wave directions as vectors. I'm not given any options > to do so. I also don't see any parameters for sea directions. I did set > my wave direction parameter to wind direction and plot the vectors that > way, but that's not ideal. > > Any thoughts on how i can plot wave directions? > > Thanks! > > Ticket Details =================== Ticket ID: ZCS-923814 Department: Support IDV Priority: Normal Status: Closed