[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #KUQ-901777]: Wind-Barb Cross Section vs. 3D Vector Cross Section

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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

  • Subject: [IDV #KUQ-901777]: Wind-Barb Cross Section vs. 3D Vector Cross Section
  • Date: Wed, 18 Jan 2012 10:56:45 -0700
> Full Name: Stefan Cecelski
> Email Address: address@hidden
> Organization: University of Maryland
> Package Version: 3.0u2 build date:2012-01-12 08:06 UTC
> Operating System: Mac OS X
> Hardware: Java: home: 
> /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home version: 
> 1.6.0_29 j3d:1.5.2 fcs (build4)
> Description of problem: Hello,
> 
> I have a question about the difference between the Wind Barb Cross Section 
> and 3D Vector Cross Section. If I edit the 3D vector calculation to allow for 
> the calculations to be plotted as a wind barb cross section instead of a 3D 
> vector cross section, will it plot the same exact data with barbs instead of 
> vectors? Or will the wind speed calculation be off (ie. missing the w 
> component)? I would like to plot the 3D vectors created as a "3D Wind Barb 
> Cross Section" rather than a "3D Vector Cross Section" so I can also depict 
> wind speed (via the barbs). Thanks in advance!
> 
> V/R,
> 
> Stefan
> 
> 
Stefan,
      As far as I know, they should be the same. 3D vector cross section is 
categorized for the dataset with u, c, and w. But the vertical cross section 
can only display north, south, east, and west direction. So, the w component 
can not be displayed here.


Yuan

Ticket Details
===================
Ticket ID: KUQ-901777
Department: Support IDV
Priority: Normal
Status: Closed