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[IDV #ERW-649143]: atmospheric research

> Hi Yuan,
> 
> Sorry to bother you again but I still get a pop-up box that says I have not 
> selected any data.
> 
> I am still confused.

Stu,
    It is very difficult to communicate through email to learn how to use of 
this application. We have online training document that can help you better.

http://www.unidata.ucar.edu/software/idv/docs/workshop/toc.html#index.html


Yuan 
> 
> Can start at the beginning please. To create a plot of wind shear, what field 
> selector do I choose? Is it located under my WRF data set or Formulas? Is it 
> 2D, 2D derived, 3D or 3D derived? The only way I can find what you describe 
> is if I select the Formulas (under the field selector) - then where to from 
> here? Maps, Grids, Miscellaneous, Export, Imagery? Again, I'm assuming 
> "grids" then I can select "layer wind shear". After I click on create display 
> the lowest two sigma layers pop up automatically - and these are what I want. 
> Then I get another "field selector" menu. Under field "u" - what do I select? 
> And under field "v" - what I do select?
> 
> We heard about the terrible flooding on our news here in New Zealand - so I'm 
> guessing you must be in Colorado? Hope all is ok there now?
> 
> Thanks again
> 
> Stu
> 
> 
> 
> -----Original Message-----
> From: Unidata IDV Support [mailto:address@hidden]
> Sent: Wednesday, 18 September 2013 7:27 a.m.
> To: address@hidden
> Cc: address@hidden
> Subject: [IDV #ERW-649143]: atmospheric research
> 
> > Thank you for your reply, but I have absolutely no idea what you mean. I am 
> > new to this software. The only option I see to plot wind shear is under the 
> > formulas tab. Where and when do you select the data for the two layers I am 
> > interested in?
> >
> > Regards
> >
> > Stu
> >
> 
> Stu,
> Sorry for the delay, there was huge flooding in this area last week and 
> things not back to normal yet.
> For the wind shear plot, after you select a flow display and click Create 
> Display button, there is a window popup for specifying the top and bottom 
> layers, this is what I mean here. For the WRF model, you need to enter the 
> value of the sigma layer, such as 0.46 and 0.8, and click ok, now, another  
> window popup for you to select u and v. I tried on my machine with some old 
> wrf data, and it worked as expected. Let me know if you need more help.
> 
> 
> 
> Yuan
> > -----Original Message-----
> > From: Unidata IDV Support [mailto:address@hidden]
> > Sent: Sunday, 15 September 2013 4:35 a.m.
> > To: address@hidden
> > Cc: address@hidden
> > Subject: [IDV #ERW-649143]: atmospheric research
> >
> > > Full Name: stu powell
> > > Email Address: address@hidden
> > > Organization: university of canterbury Package Version: 4.1 build
> > > date:2013-08-02 18:38 UTC Operating System: Windows XP
> > > Hardware: Java: home: C:\Program Files\IDV_4.1\jre version: 1.6.0_43
> > > j3d:1.5.2 fcs (build4) Description of problem:
> > >
> > > Creating display: Color-Shaded Plan View No data selected
> > >
> > > ?? why does it keep defaulting to this? How do I pick up the data to
> > > create a plot of wind shear between 2 layers?
> > Stu,
> >
> > I think the problem is that you are working on the WRF dataset and this 
> > doesn't have the pressure levels, you need to make sure the levels selected 
> > for the 2 layers are in the dataset.
> > In other word, don't use the default layers when the selecting window popup.
> > Yuan
> > >
> > > ******************
> > > Stack trace:
> > > java.lang.IllegalStateException: No data selected at
> > > ucar.unidata.idv.ui.IdvUIManager.selectDataChoices(IdvUIManager.java
> > > :5
> > > 589) at
> > > ucar.unidata.idv.IntegratedDataViewer.selectDataChoices(IntegratedDa
> > > ta
> > > Viewer.java:1016) at
> > > ucar.unidata.data.DerivedDataChoice.collectOperands(DerivedDataChoice.
> > > java:558) at
> > > ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:7
> > > 38
> > > ) at ucar.unidata.data.DataChoice.getData(DataChoice.java:637)
> > > at ucar.unidata.data.DataInstance.getData(DataInstance.java:243)
> > > at ucar.unidata.data.DataInstance.getData(DataInstance.java:207)
> > > at
> > > ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:2
> > > 06
> > > ) at
> > > ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java
> > > :1
> > > 63) at
> > > ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java
> > > :1
> > > 44) at
> > > ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridD
> > > is
> > > playControl.java:284) at
> > > ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(D
> > > is
> > > playControlImpl.java:3224) at
> > > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlIm
> > > pl
> > > .java:3206) at
> > > ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.java:
> > > 641) at
> > > ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:4
> > > 71
> > > ) at
> > > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> > > ja
> > > va:1421) at
> > > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> > > ja
> > > va:1106) at
> > > ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:
> > > 986) at
> > > ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:911)
> > > at ucar.unidata.util.Misc$3.run(Misc.java:1251)
> > >
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: ERW-649143
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: ERW-649143
> Department: Support IDV
> Priority: Normal
> Status: Closed
> 
> 


Ticket Details
===================
Ticket ID: ERW-649143
Department: Support IDV
Priority: Normal
Status: Closed