[IDV #JHM-641809]: wind barbs and text point data

Hi David,

There was a bug which Don fixed. For a quick workaround, *tomorrow* grab the 
latest IDV here:

http://www.unidata.ucar.edu/downloads/idv/nightly/index.jsp

The wind barbs should be back to normal.

-Julien

> Hi David and Yuan,
> 
> For the record, I tried the trivial example of loading 2 data points and did 
> not observe the problem. As soon, as I go beyond that (e.g. 10 points) I see 
> the problem again.
> 
> I will continue sleuthing.
> 
> -Julien
> 
> > > Hi Yuan,
> > > Hmmm. I tried cutting it down to 100, then I tried again with 40, and
> > > still had the same problem.
> > >
> > > I created and attached the zipped bundle with only 40 points.
> > >
> > >
> > > --Dave
> >
> > Hi Dave,
> > I need to use my office setting to debug this problem, it looks like a bug 
> > to me. So, I will not be able to
> > figure this one out till next week.
> >
> >
> >
> > Yuan
> > >
> > >
> > >
> > > On 11/09/2010 04:19 PM, Unidata IDV Support wrote:
> > > >> Glad you can confirm the problem.  No, I am not doing anything special
> > > >> to display the wind barbs.  The wind barbs usually appear the first 
> > > >> time
> > > >> I try to display them after starting IDV.    If I try to display again,
> > > >> they all turn to calm.
> > > >>
> > > >> Don't know if this is related, but even when the wind barbs are
> > > >> displayed, it's only a small fraction of the total number that should 
> > > >> be
> > > >> displayed.   They should almost all have wind barbs.
> > > >>
> > > >> --Dave
> > > >>
> > > > Hi Dave,
> > > >         I would like you to do one test for me, not sure how many point 
> > > > is the current csv file, could you cut the number down to something 
> > > > like 100 points and try again. I have the feeling this is somehow 
> > > > related to the size of the point data too big.
> > > >
> > > >
> > > > Yuan
> > > >>> Dave,
> > > >>>
> > > >>> Thanks for the bundle. I can confirm the problems you see.
> > > >>>
> > > >>> Out of curiosity are you doing anything "special" to display the wind 
> > > >>> barbs? When I display the wind barbs directly from the csv file, I 
> > > >>> only see circles (no wind barbs).
> > > >>>
> > > >>> -Julien
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>> Yes, I'd be happy to.  Here's a bundle.   To reproduce the problem,
> > > >>>> create a Point Data Plot and change the layout from Location to
> > > >>>> something with wind barbs (e.g. Winds).  Initially, IDV displays a
> > > >>>> couple wind barbs.  Then if you zoom in and zoom out again, all wind
> > > >>>> barbs are gone.  All that is left are white circles (indicating calm
> > > >>>> winds).
> > > >>>>
> > > >>>> -- Dave
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>> On 11/08/2010 01:11 PM, Unidata IDV Support wrote:
> > > >>>>> Hi David,
> > > >>>>>
> > > >>>>> Would it be possible to send an IDV bundle that demonstrates this 
> > > >>>>> problem?
> > > >>>>>
> > > >>>>> Thanks.
> > > >>>>>
> > > >>>>> -Julien
> > > >>>>>
> > > >>>>>> Full Name: David Ahijevych
> > > >>>>>> Email Address: address@hidden
> > > >>>>>> Organization: NCAR
> > > >>>>>> Package Version: 2.9u2
> > > >>>>>> Operating System: 32-bit linux
> > > >>>>>> Hardware:
> > > >>>>>> Description of problem: I am trying to display wind barbs from 
> > > >>>>>> text point data.  If I restart IDV it kind of works initially, but 
> > > >>>>>> as soon as I zoom in or change the layout model, no matter what U 
> > > >>>>>> and V are, IDV plots calm winds.  I attached a couple screen shots 
> > > >>>>>> to illustrate: at first, wind barbs are plotted (see y.png), but 
> > > >>>>>> after zooming in and out, they disappear (see n.png).
> > > >>>>>>
> > > >>>>>> Curiously, in the beginning, most stations should have wind barbs, 
> > > >>>>>> but only 3 show up.
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>
> > > >>>>> Ticket Details
> > > >>>>> ===================
> > > >>>>> Ticket ID: JHM-641809
> > > >>>>> Department: Support IDV
> > > >>>>> Priority: Normal
> > > >>>>> Status: Open
> > > >>>>>
> > > >>>>
> > > >>> Ticket Details
> > > >>> ===================
> > > >>> Ticket ID: JHM-641809
> > > >>> Department: Support IDV
> > > >>> Priority: Normal
> > > >>> Status: Open
> > > >>>
> > > >>
> > > >
> > > > Ticket Details
> > > > ===================
> > > > Ticket ID: JHM-641809
> > > > Department: Support IDV
> > > > Priority: Normal
> > > > Status: Open
> > > >
> > >
> > >
> > >
> >
> 


Ticket Details
===================
Ticket ID: JHM-641809
Department: Support IDV
Priority: Normal
Status: Closed