> We are running 5.1u2. Did you look at the bundle? All your > questions are answered by the bundle, no? Rich, I have no problem getting the result similar to the python output. See the attached. However, your bundle does look very strange, almost like some kind of filter working there. I will check and let you know. Yuan > > On Wed, Jul 1, 2015 at 5:34 PM, Unidata IDV Support > <address@hidden> wrote: > > Rich, > > > > Here are a few comments: > > > > - Update your IDV to the latest version (5.1u2, this will yield no > > improvement > > probably, but it is usually best to work with the latest version of the > > IDV). > > > > - For clarification, the flow vectors are supposed to be derived from what? > > The > > data contain two u and v fields (momentum versus stokes). Which one are you > > interested in? (I wonder if there is confusion/mismatches going on here.) > > > > - Are you sure you are looking at the same geographic extents? The IDV is > > displayed roughly over NY harbor. I cannot tell where the Python plot is > > located. > > > > - I wonder if there are numerical errors going on. One of the Derived > > Fields in > > the IDV is "Speed (from U & V)". When you do a "Value Plot" of these data, > > do > > you get numbers you expect? > > > > - Experiment with the Flow Vector Control in the IDV Dashboard, Displays > > Tab. > > > > Keep us up-to-date on your progress. > > > > Best, > > > > Unidata IDV Support > > > > > > > > > >> IDV Gurus, > >> > >> We are struggling to get bottom velocity vectors displayed properly in > >> IDV (5.0u2) for a Hurricane Sandy ocean simulation. > >> > >> The bottom velocity for 2012-10-30 00:00:00 should look like the 1st > >> attached image (plotted in python using this notebook): > >> http://nbviewer.ipython.org/gist/rsignell-usgs/a85e68a71933910a171a > >> > >> but instead it looks like the 2nd attached image. > >> > >> In the IDV image you can see that the flow at the coast is the wrong > >> direction, and there are those strange black areas with no vectors. > >> > >> What is going on here? > >> > >> I'm attaching the bundle so you can recreate this yourself. > >> -- > >> Dr. Richard P. Signell (508) 457-2229 > >> USGS, 384 Woods Hole Rd. > >> Woods Hole, MA 02543-1598 > >> > >> > > > > > > Ticket Details > > =================== > > Ticket ID: WHS-790529 > > Department: Support IDV > > Priority: Normal > > Status: Closed > > > > > > -- > Dr. Richard P. Signell (508) 457-2229 > USGS, 384 Woods Hole Rd. > Woods Hole, MA 02543-1598 > > Ticket Details =================== Ticket ID: WHS-790529 Department: Support IDV Priority: Normal Status: Open
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