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[IDV #ABK-864576]: Trajectory Bug
- Subject: [IDV #ABK-864576]: Trajectory Bug
- Date: Sun, 01 Jun 2014 16:25:07 -0600
> > > Hi:
> > >
> > > I've been running *backwards* trajectories with IDV5.0 and noticed
> > > that the trajectories are taking an unrealistic turn in the time step
> > > that begins their backwards integration (see attached). It is especially
> > > obvious when using datasets with longer time increments. In this case,
> > > I'm using 3-h RAP data where I've aggregated the files by time when
> > > loading them.
> > >
> > > This bug could have preceded 5.0. I just started running them
> > > today and figured I'd use the new release.
> > >
> > > Jim
> >
> > Jim,
> >
> > This part of code not being changed for a while, I can reproduce in the 5.0
> > and I will fix it asap.
> >
> >
> > YUan
>
>
> Jim,
> I did see a bug in the calculation of backward trajectory, and checked in a
> fix. You can try the nightly in 20 minutes, which is 5.0u1 release.
>
> I can not find the dataset you were using, I used the NAM80km, see the
> attached image. I will do some comparison with gempak next week.
> Yuan
Jim,
I just committed another change and this should fix the bug you reported.
I redo the 5.0 release, you should download and install the 5.0 release.
It is kind of interesting that I wrote this part of code on the flight
from Madison to Denver, and now I have fixed a bug on the flight from Denver to
New York.
Yuan
> > >
> > >
> > >
> >
Ticket Details
===================
Ticket ID: ABK-864576
Department: Support IDV
Priority: Normal
Status: Closed