[IDV #LVV-324117]: Layer average RH

Hi Scott.

Sorry for the rushed response (I have been spread really thin lately.) Please 
keep us up to date on your progress.

Thanks.

-Julien

> Hi Julien,
> 
> I'll poke around and see. I may end up needing to write something.
> 
> Thanks,
> 
> Scott
> 
> Unidata IDV Support said the following on 12/1/2010 11:59 AM:
> > The documentation 
> > (http://www.unidata.ucar.edu/software/idv/docs/userguide/tools/JythonLib.html)
> >  is decidedly vague, but seems to point at your 1st suggestion. Have you 
> > tried other functions in that library that may accomplish what you want?
> >
> > -Julien
> >
> >
> >> Hi Julien,
> >>
> >> Thanks to your visual, I was able to get that to work, *but*, in
> >> examining the output, it appears as if it simply calculates each chosen
> >> layer individually, but does not actually compute the mean of all layers
> >> chosen.. Is this correct, or am I doing something wrong?
> >>
> >> Thanks (really appreciate the time spent to build the video tutorial!).
> >>
> >> Scott
> >>
> >> ----- Original Message -----
> >> From: Unidata IDV Support <address@hidden>
> >> Date: Tuesday, November 30, 2010 3:18 pm
> >> Subject: [IDV #LVV-324117]: Layer average RH
> >>
> >>
> >>> Scott,
> >>>
> >>> See this screen cast and tell me what you think:
> >>>
> >>>
> >>>
> >> http://motherlode.ucar.edu/repository/entry/show/RAMADDA/Unidata/Staff/Julien+Chastang/Screen+cast/AvgLayer.mov?entryid=7cc013c5-bee6-4dd8-8f42-f7462f205724
> >>
> >>> -Julien
> >>>
> >>>
> >>>> Julien,
> >>>>
> >>>> Yes. I am attempting to generate a simple plan-view animation of
> >>>>
> >>> a layer
> >>>
> >>>> mean RH.  But of course, I'd like to be able to do that with any
> >>>> parameter (wind, omega, whatever).
> >>>>
> >>>> Thanks,
> >>>> Scott
> >>>>
> >>>> Unidata IDV Support said the following on 11/30/2010 1:11 PM:
> >>>>
> >>>>> Hi Scott.
> >>>>>
> >>>>> I see from your png that you seem to be averaging over many
> >>>>>
> >>> time steps. Is that really your intention? (I am not sure that is
> >>> the root of the problem, however.)
> >>>
> >>>>> Thanks.
> >>>>>
> >>>>> -Julien
> >>>>>
> >>>>>
> >>>>>
> >>>>>> Hi Julien,
> >>>>>>
> >>>>>> I have attempted to use
> >>>>>> |layerAverage(grid, top, bottom)
> >>>>>>
> >>>>>> in a formula, but perhaps it's my ignorance of how to utilize
> >>>>>>
> >>> this function.
> >>>
> >>>>>> For example, when using one of the IDD servers to access the
> >>>>>>
> >>> NAM model
> >>>
> >>>>>> data, I am attempting to use the layerAverage function (see
> >>>>>>
> >>> jython.png).> >>
> >>>
> >>>>>> I'm guessing that I am using this incorrectly, as I get the error
> >>>>>> (attached error.png).
> >>>>>>
> >>>>>> Can you educate me?
> >>>>>>
> >>>>>> Thanks for your help.
> >>>>>>
> >>>>>> Scott
> >>>>>> |
> >>>>>> Unidata IDV Support said the following on 11/30/2010 12:43 PM:
> >>>>>>
> >>>>>>
> >>>>>>> Hi Scott.
> >>>>>>>
> >>>>>>> Have you considered Jython:
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >> http://www.unidata.ucar.edu/software/idv/docs/userguide/page_dataanalysis.html>
> >>
> >>>>>>> Thanks.
> >>>>>>>
> >>>>>>> -Julien
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>> Full Name: Scott Stephens
> >>>>>>>> Email Address: address@hidden
> >>>>>>>> Organization: NOAA/NCDC
> >>>>>>>> Package Version: 2.9u2 build date:2010-10-04 19:14 UTC
> >>>>>>>> Operating System: Windows 7
> >>>>>>>> Hardware: Java: home: C:\Program Files (x86)\Java\jre6
> >>>>>>>>
> >>> version: 1.6.0_21 j3d:1.5.2 fcs (build4)
> >>>
> >>>>>>>> Description of problem: Creating display: Image Display
> >>>>>>>> TypeError: createLayerAverage(): 2nd arg can't be coerced to
> >>>>>>>>
> >>> double or String
> >>>
> >>>>>>>> org.python.core.PyException
> >>>>>>>>
> >>>>>>>> -----
> >>>>>>>> What is the best way to calculate a layer average of two or
> >>>>>>>>
> >>> more fields? For example, when evaluating NCEP model grids, what
> >>> would be the best way to calculate average relative humidity
> >>> between 850mb and 500mb (inclusive of all intermediate levels)? I
> >>> have attempted to use the grid diagnostics with no success. Thanks!
> >>>
> >>>>>>>> ******************
> >>>>>>>> Stack trace:
> >>>>>>>> Traceback (innermost last):
> >>>>>>>> File "<string>", line 1, in ?
> >>>>>>>> File "<string>", line 191, in lav
> >>>>>>>> File "<string>", line 83, in layerAverage
> >>>>>>>> TypeError: createLayerAverage(): 2nd arg can't be coerced to
> >>>>>>>>
> >>> double or String
> >>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>> Ticket Details
> >>>>>>> ===================
> >>>>>>> Ticket ID: LVV-324117
> >>>>>>> Department: Support IDV
> >>>>>>> Priority: Normal
> >>>>>>> Status: Closed
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>> --
> >>>>>>
> >>>>>> *Scott E. Stephens*
> >>>>>>
> >>>>>> */Meteorologist/*
> >>>>>>
> >>>>>> Customer Services/Climate Monitoring
> >>>>>>
> >>>>>> NOAA’s National Climatic Data Center
> >>>>>>
> >>>>>> 151 Patton Avenue
> >>>>>>
> >>>>>> Asheville, NC 28801-5001
> >>>>>>
> >>>>>> V: 828-271-4800
> >>>>>>
> >>>>>> F: 828-271-4876
> >>>>>>
> >>>>>> E-Mail: address@hidden <mailto:address@hidden>
> >>>>>>
> >>>>>> http://www.ncdc.noaa.gov/monitoring
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> */ /*
> >>>>>>
> >>>>>> */ /*
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>> Ticket Details
> >>>>> ===================
> >>>>> Ticket ID: LVV-324117
> >>>>> Department: Support IDV
> >>>>> Priority: Normal
> >>>>> Status: Open
> >>>>>
> >>>>>
> >>>>>
> >>>> --
> >>>>
> >>>> *Scott E. Stephens*
> >>>>
> >>>> */Meteorologist/*
> >>>>
> >>>> Customer Services/Climate Monitoring
> >>>>
> >>>> NOAA’s National Climatic Data Center
> >>>>
> >>>> 151 Patton Avenue
> >>>>
> >>>> Asheville, NC 28801-5001
> >>>>
> >>>> V: 828-271-4800
> >>>>
> >>>> F: 828-271-4876
> >>>>
> >>>> E-Mail: address@hidden <mailto:address@hidden>
> >>>>
> >>>> http://www.ncdc.noaa.gov/monitoring
> >>>>
> >>>>
> >>>>
> >>>> */ /*
> >>>>
> >>>> */ /*
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: LVV-324117
> >>> Department: Support IDV
> >>> Priority: Normal
> >>> Status: Open
> >>>
> >>>
> >>>
> >>
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: LVV-324117
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> >
> 
> --
> 
> *Scott E. Stephens*
> 
> */Meteorologist/*
> 
> Customer Services/Climate Monitoring
> 
> NOAA’s National Climatic Data Center
> 
> 151 Patton Avenue
> 
> Asheville, NC 28801-5001
> 
> V: 828-271-4800
> 
> F: 828-271-4876
> 
> E-Mail: address@hidden <mailto:address@hidden>
> 
> http://www.ncdc.noaa.gov/monitoring
> 
> 
> 
> */ /*
> 
> */ /*
> 
> 
> 
> 
> 


Ticket Details
===================
Ticket ID: LVV-324117
Department: Support IDV
Priority: Normal
Status: Closed