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[IDV #VTX-233380]: wind barbs do not scale correctly

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  • Subject: [IDV #VTX-233380]: wind barbs do not scale correctly
  • Date: Sat, 05 Feb 2011 10:57:28 -0700
> Rebonjour -
> 
> With Don's support I have been able to get a new build and have now
> tested the wind barbs.
> 
> Using full spatial resolution the barbs scale now much better, though I
> have to go down to a factor of 1 for a typical wind wind field. So,
> there is now lee way to make them even smaller. I would suggest that you
> blow down the vector by a factor of 2 to 4, 3 say.

In the test I ware running, I had the same feeling. But, this will change the 
expect behavior 
of existing bundles and this is not what we like to see.
> 
> For data thinning the "Skip XY" still does not work. It issues "sample
> do not form a valid grid".

The RUC grid file I was testing on, the "skip xy" was working ok, maybe you can 
upload a sample 
file of yours.
> 
> Thus, the only method to spatially thin the data set is thorugh the
> stride tab. However, when thinning this way IDV falls back to the giant
> vectors we have had before.
> 

I can not reproduce this. The stride and skip sent back the same result.


Yuan
> All said I hope we are almost there, HP
> 
> On 2011-02-03 04:03, Unidata IDV Support wrote:
> > Bonjour HansPeter,
> >
> > Please checkout the nightly build version of the IDV (the nightly builds 
> > happen at ~8UTC). Let us know if the wind barbs behave as you expect.
> >
> > Thanks for your input.
> >
> > -Julien
> >
> >>> Full Name: HansPeter Roesli
> >>> Email Address: address@hidden
> >>> Organization: EUMETSAT
> >>> Package Version: 2.9u4 build date:@DATE@
> >>> Operating System: Windows 7
> >>> Hardware: Java: home: C:\Program Files\IDV_2.9u4\jre version: 1.6.0_20 
> >>> j3d:1.5.2 fcs (build4)
> >>> Description of problem: Hi -
> >>>
> >>> Wind barbs do not scale correctly. They scale like flow vectors and other 
> >>> point observations. The problem is that the zoom factor is not taken into 
> >>> account when the barbs are first drawn.
> >>>
> >>> cheers, HP
> >>>
> >>>
> >>
> >> HP,
> >>
> >> Thanks for submitting this bug report, I will fix it after the AMS.
> >>
> >>
> >> Yuan
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: VTX-233380
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> 
> 


Ticket Details
===================
Ticket ID: VTX-233380
Department: Support IDV
Priority: Normal
Status: Open