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[IDV #MWJ-718630]: Subtracting MM5-CCSM grid from NARR

Unfortunately, I may not be able to look into this in great depth this 
afternoon or tomorrow (time is very limited currently.)

This is a shot in the dark and probably not very useful but check out this 
screencast

http://motherlode.ucar.edu/repository/entry/show/RAMADDA/Unidata/Staff/Julien+Chastang/Screen+cast/AvgLayer.mov?entryid=7cc013c5-bee6-4dd8-8f42-f7462f205724

It describes how to work with formulas (e.g differences, averages, etc.) within 
the IDV. It may give you some hints.

-Julien


> Ok, sorry about that. I'm cranking out plots right now and getting my months
> mixed up. The actual months aren't important, just how to work with the grid
> sizes.
> 
> The question concerns this:
> 
> How do I subtract (simple a-b)  the NARR monthly mean files from the
> MM5-CCSM monthly files. They are of different grid sizes so I'm not sure how
> to do this???
> 
> I was really hoping to get this done today, my project is due tomorrow
> afternoon.
> Yes, I know, procrastination is bad...
> 
> Also is there any kind of a ttest function within IDV??
> 
> cheers,
> Heather
> 
> 
> address@hidden> wrote:
> 
> > OK, but for the record your bundle refers to data from other months, jan,
> > feb (e.g ts_mmean_MM5_feb_cur.nc) etc. That is why I was under the
> > impression there were several more files.
> >
> > > Hello,
> > > OK, I've uploaded them again:
> > > They are:
> > >
> > > ts_mmean_narr_dec.nc
> > >
> > > and
> > >
> > > ts_mmean_MM5_dec_cur.nc
> > >
> > > I am trying to a simple a-b function between the two files.
> > >
> > >
> > > address@hidden> wrote:
> > >
> > > > One. Just put them all there and let us know what are the file names.
> > > >
> > > > > OK, which ones did you get?
> > > > > cheers,
> > > > > Heather
> > > > >
> > > > > address@hidden> wrote:
> > > > >
> > > > > > Not all of them.
> > > > > >
> > > > > > Please post your data
> > > > > > http://motherlode.ucar.edu/repository/alias/idvupload.
> > > > > >
> > > > > > > Hello,
> > > > > > > I was wondering if you received my data files? Let me know if you
> > > > need me
> > > > > > to
> > > > > > > send them again?
> > > > > > > cheers,
> > > > > > > Heather
> > > > > > >
> > > > > > > address@hidden> wrote:
> > > > > > >
> > > > > > > > Hi Heather.
> > > > > > > >
> > > > > > > > I can't tell what is going on without the data.
> > > > > > > >
> > > > > > > > Please post your data here
> > > > > > > >
> > > > > > > > http://motherlode.ucar.edu/repository/alias/idvupload
> > > > > > > >
> > > > > > > > Thanks.
> > > > > > > >
> > > > > > > > -Julien
> > > > > > > >
> > > > > > > > > Full Name: Heather
> > > > > > > > > Email Address: address@hidden
> > > > > > > > > Organization: CU
> > > > > > > > > Package Version: 2.9u2 build date:2010-10-04 19:14 UTC
> > > > > > > > > Operating System: Mac OS X
> > > > > > > > > Hardware: Java: home:
> > > > > > > >
> > /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
> > > > > > version:
> > > > > > > > 1.6.0_22 j3d:1.5.2 fcs (build4)
> > > > > > > > > Description of problem: Creating display: Color-Shaded Plan
> > View
> > > > > > > > > visad.SetException: visad.SetException: Gridded2DSet: samples
> > do
> > > > not
> > > > > > form
> > > > > > > > a valid grid
> > > > > > > > > org.python.core.PyException
> > > > > > > > >
> > > > > > > > > Hi, only one of attachments went through, here's the second
> > file.
> > > > > > > > >
> > > > > > > > > ******************
> > > > > > > > > Stack trace:
> > > > > > > > > Traceback (innermost last):
> > > > > > > > > File "<string>", line 1, in ?
> > > > > > > > > File "<string>", line 58, in sub
> > > > > > > > > at visad.Gridded2DSet.<init>(Gridded2DSet.java:99)
> > > > > > > > > at visad.Gridded2DSet.<init>(Gridded2DSet.java:56)
> > > > > > > > > at
> > > > ucar.unidata.data.grid.GridUtil.swapLatLonFF(GridUtil.java:6337)
> > > > > > > > > at
> > ucar.unidata.data.grid.GridUtil.swapLatLon(GridUtil.java:6238)
> > > > > > > > > at ucar.unidata.data.grid.GridMath.doMath(GridMath.java:222)
> > > > > > > > > at
> > ucar.unidata.data.grid.GridMath.subtract(GridMath.java:131)
> > > > > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > Method)
> > > > > > > > > at
> > > > > > > >
> > > > > >
> > > >
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> > > > > > > > > at
> > > > > > > >
> > > > > >
> > > >
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> > > > > > > > > at java.lang.reflect.Method.invoke(Method.java:597)
> > > > > > > > >
> > > > > > > > > visad.SetException: visad.SetException: Gridded2DSet: samples
> > do
> > > > not
> > > > > > form
> > > > > > > > a valid grid
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Ticket Details
> > > > > > > > ===================
> > > > > > > > Ticket ID: MWJ-718630
> > > > > > > > Department: Support IDV
> > > > > > > > Priority: Normal
> > > > > > > > Status: Closed
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > > Ticket Details
> > > > > > ===================
> > > > > > Ticket ID: MWJ-718630
> > > > > > Department: Support IDV
> > > > > > Priority: Normal
> > > > > > Status: Closed
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > Ticket Details
> > > > ===================
> > > > Ticket ID: MWJ-718630
> > > > Department: Support IDV
> > > > Priority: Normal
> > > > Status: Closed
> > > >
> > > >
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: MWJ-718630
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> 
> 


Ticket Details
===================
Ticket ID: MWJ-718630
Department: Support IDV
Priority: Normal
Status: Open