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[IDV #BLL-132210]: Cannot do a simple difference of two grids

Hi again, Robert

I chatted with Don Murray about this issue, and he gave me a few hints. I 
believe it would work with sub(a,b). In general, when using grids, one should 
use sub, add, mul, quo instead of -, +, *, / since the former handle 
differences in manifold dimensions.

Thanks.

-Julien

> Hi, Robert
> 
> Would it be possible to have a bit more information about this problem? What 
> are the steps necessary to get this error? Also, I loaded the attached 
> bundle.xidv but I am having trouble finding 2 files:
> 
> 20100813.14z.ECONA.grib2
> 20100813.14z.ECONA.grib2
> 
> Would it be possible to attach those as well.
> 
> Thanks.
> 
> -Julien
> 
> > Full Name: Robert Aune
> > Email Address: address@hidden
> > Organization: NOAA/NESDIS
> > Package Version: 2.6u2 build date:2009-02-13 19:03 UTC
> > Operating System: Windows XP
> > Hardware: Java: home: C:\Program Files\IDV_2.6u2\jre version: 1.6.0_11 
> > j3d:1.5.2 fcs (build4)
> > Description of problem: Creating image sequence
> > org.python.core.PyException
> >
> > ******************
> > Stack trace:
> > Traceback (innermost last):
> > File "<string>", line 1, in ?
> > at visad.Gridded3DSet.valueToGrid(Gridded3DSet.java:759)
> >
> > at visad.Gridded3DSet.valueToIndex(Gridded3DSet.java:415)
> >
> > at visad.FlatField.resample(FlatField.java:4739)
> >
> > at visad.FlatField.binary(FlatField.java:2088)
> >
> > at visad.FieldImpl.binary(FieldImpl.java:835)
> >
> > at visad.DataImpl.binary(DataImpl.java:139)
> >
> > at visad.DataImpl.subtract(DataImpl.java:192)
> >
> > at visad.DataImpl.__sub__(DataImpl.java:1400)
> >
> > 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: Gridded3DSet.valueToGrid: 
> > ManifoldDimension must be 3

Ticket Details
===================
Ticket ID: BLL-132210
Department: Support IDV
Priority: Normal
Status: Open