[IDV #PNW-510251]: NOAA Profiler Plots

> > Yuan,
> > Here's some additional feedback on the new features.
> > 1) Image capture: Thanks for adding the capture feature in the time/height 
> > profiler display. It works very well when choosing "View" in the Capture 
> > What options. However, the other two options of "View & Legend" and "Full 
> > Window" prompt an error and no image can be captured.
> 
> Yes, we knew this bug, and we were working on it.

The new 2.9u1 release should have fixed this.


Yuan
> >
> > 2) Time/Height chart: I took a look at the y-axis fix that you've added and 
> > I think there may be a bug. The attachment called TimeHt_STWMA_latestL.jpg 
> > shows that loading the local profiler netCDF files creates a nice 
> > Time/Height chart, however; the display changed after I toggled the "Latest 
> > data on left" selection. The y-axis suddenly increased its vertical extent 
> > as shown by TimeHt_STWMA_latestR.jpg.
> 
> I need to find a better design for the y-axis.
> >
> > 3) To magnify the vertical extent of the profiler data (See #3 in last 
> > email), I used the vertical scale icon as you suggested. Thank you for 
> > pointing this out, it should work nicely. One item to note is that one of 
> > the profilers (PNRMD) is a high elevation site that is located in 
> > Frostburg, MD with an elevation of 763 meters. Using the vertical scale 
> > icon, it is more apparent that the data point closest to the surface is 
> > also magnified. This can be a problem because the profiler's data look to 
> > originate in PA instead of MD. The other 2 attachments illustrate this: 
> > 3D_PNRMD_VertScaleMax-6000m.jpg (actual data origin) and 
> > 3D_PNRMD_VertScaleMax-500m.jpg (station looks to be located in PA). Is it 
> > possible to make the data point closest to the surface maintain its 
> > original fixed height while the vertical scale adjustment is being used?
> >
> I will check, this maybe a 3D illusion. When the station plot is available, 
> this 3D illusion will be less concern.
> 
> 
> Yuan
> > Thanks,
> > Laura
> >
> > >>> "Unidata IDV Support" <address@hidden> 8/11/2010 6:34 PM >>>
> > > Hi Yuan,
> > > I have been working with the CAP profiler winds display using local 
> > > netCDF files. First, I would like to say that I can load the files with 
> > > ease and have successfully used both the time/height display and the 3D 
> > > plot. Thank you for your extensive work on this. I do have a few 
> > > questions and they are listed below.
> > >
> > > 1) I see that the time/height and 3D plots are available. Do you 
> > > anticipate adding the profiler station plot also?
> > >
> > Well, this is a easier one. I will add it soon.
> >
> > > 2) Time/height display: Is there a way to capture an image of the 
> > > time/height display control window? Also, is the y-axis adjustable so 
> > > that it can be changed to above ground level (AGL) labeled every 500 
> > > meters as opposed to MSL labeled every 2000 meters? This would account 
> > > for the lower heights measured by CAP boundary layer profilers compared 
> > > to NOAA profilers that can reach up to tropopause.
> > >
> > No, you can not capture an image, but I will add this feature soon. If you 
> > download the nightly build tomorrow, the y-axis label is better now, may 
> > not be what you wanted, let me know if you like it or not.
> >
> > > 3) Most (if not all) of the CAP profiler network measures winds in the 
> > > boundary layer (up to approximately 4 km AGL) whereas the NPN measures up 
> > > to around 9-16 km AGL, depending on its vertical sampling mode. This 
> > > height difference makes for a much different looking 3D plot with CAP 
> > > data - the 3D plot looks a bit cramped, vertically. While this display is 
> > > draw to scale and accurate, is there a way to artificially magnify the 
> > > height of the CAP profiler data so that the vertical extent is expanded? 
> > > Perhaps a drop down menu in the display settings that magnifies the 
> > > height 2x, 3x, etc?
> >
> > If you want to adjust the vertical scale in the map view, click the 
> > vertical scale icon on the left of the window, and change the value, it 
> > will give you the same effect as magnifies the height.
> > >
> > > My reasoning behind this is that I hope to be able to create a 3D plot 
> > > showing 3 profilers in 1 map view: a MD profiler (BLTMD), NJ profiler 
> > > (RUTNJ), and NC profiler (CHANC). At the present time, without 
> > > magnification of the data's vertical extent, it would be extremely 
> > > difficult to see the wind barbs/colors for each profiler with the level 
> > > of zoom required to get all 3 profilers in the same map view.
> > >
> > > 4) My previous question about plotting different QC levels of the data 
> > > may be better illustrated by viewing the MADIS CAP Profiler Real-Time 
> > > Data Display (http://madis-data.noaa.gov/cap/profiler.jsp?options=full)
> > >
> > > Note that on this site, you can select an option in the drop down QC menu 
> > > such as "Pass Level 1" and "Applied and Pass Level 2". These options will 
> > > filter the data based on QC flags designated by MADIS. The flags are also 
> > > in the netCDF files. You can see this by selecting a local netCDF file 
> > > I've uploaded in Data Choosers and select "I'm feeling lucky" as the data 
> > > source type instead of "CDM netCDF profiler files". Then click 3D grid 
> > > and you will see the IDV lists a few QC flag fields. More information on 
> > > the applied QC is here (http://madis.noaa.gov/madis_sfc_qc.html). 
> > > However, this might be a better question for the MADIS contacts I sent 
> > > earlier today. They would likely be able to explain the file setup much 
> > > more easily. Ideally I would want an option to select and plot the best 
> > > available data (Applied and Pass Level 2).
> > >
> >
> > This is interesting, I will put it in our to do list.
> >
> > > Let me know if you need more clarification.
> > >
> > > Laura
> > >
> > >
> > >
> >
> > Ticket Details
> > ===================
> > Ticket ID: PNW-510251
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> >
> >
> 


Ticket Details
===================
Ticket ID: PNW-510251
Department: Support IDV
Priority: Normal
Status: Closed