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[IDV #JNF-919753]: IDV and windspeed and direction grids

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  • Subject: [IDV #JNF-919753]: IDV and windspeed and direction grids
  • Date: Tue, 30 Jul 2013 11:08:57 -0600
> Hi Yuan,
> 
> No, I really only have SPEED (a scalar) and DIRECTION (a unit vector), not
> special namings of U and V.
> 
> Murray

Same procedure, in Cannonical name 2 or 3 should have alias for speed and 
direction.


Yuan
> 
> 
> ----- Original Message -----
> From: "Unidata IDV Support" <address@hidden>
> To: <address@hidden>
> Cc: <address@hidden>
> Sent: Tuesday, July 30, 2013 12:51 PM
> Subject: [IDV #JNF-919753]: IDV and windspeed and direction grids
> 
> 
> >> Yuan,
> >>
> >> I'm really surprised this morning not to find any wind vector display
> >> method
> >> for speed and direction grids, only U and V component grids.  Am I
> >> missing
> >> something, or is there a special addon to do that?
> >>
> >> Murray
> >>
> >>
> > Murray,
> >     It is likely the U and V component in your grids are using some
> > special namings and the IDV doesn't recognize them. To make the derived
> > wind vector work, you can added the U and V component to the alias table.
> > In the Field Selector panel, select the variable, right click on the
> > selected U(or V), a drop down menu will popup, "add XXX as alias for" >
> > Cannonical name 3 > U - U component wind, and the same to the V. After
> > that, reload the dataset, and you should see the derived wind vector.
> >
> >
> > Yuan
> >
> > Ticket Details
> > ===================
> > Ticket ID: JNF-919753
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> 
> 


Ticket Details
===================
Ticket ID: JNF-919753
Department: Support IDV
Priority: Normal
Status: Closed