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[IDV #LVV-324117]: Layer average RH
- Subject: [IDV #LVV-324117]: Layer average RH
- Date: Tue, 30 Nov 2010 13:18:28 -0700
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