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Hi Mark- > Full Name: Mark Seefeldt > Email Address: address@hidden > Organization: University of Colorado > Package Version: 2.6u1 build date:2009-01-24 20:38 UTC > Operating System: Linux > Hardware: Java: home: /usr/local/idv/IDV_2.6u1/jre version: 1.6.0_11 > j3d:1.5.2 fcs (build4) > Description of problem: Creating display: Wind Barb Plan View > org.python.core.PyException > > The problem has to be in my data file, but not sure as to where or what. > The data file can be downloaded at: > http://foehn.colorado.edu/seefeldt/mm5post.nc > > I have aliased the u_10m_gr v_10m_gr wind values to u and v in IDV. > When I try to do a plan view of wind barbs, I get this error. Does Flow Vectors show up as a derived field in the Fields? If so, what does is say that it is using to create them. When I add in the aliases, I see: Flow Vectors (from u_10m_gr & v_10m_gr) Is that what you are getting? I don't have any problem displaying them though. Don Murray > ****************** > Stack trace: > Traceback (innermost last): > File "<string>", line 1, in ? > at visad.FieldImpl.combine(FieldImpl.java:1064) > at visad.FieldImpl.combine(FieldImpl.java:998) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:995) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:948) > at > ucar.unidata.data.grid.DerivedGridFactory.createFlowVectors(DerivedGridFactory.java:779) > 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.VisADException: visad.VisADException: FieldImpl.combine: domain > dimensions of inputfields must match > > > Ticket Details =================== Ticket ID: TGX-684536 Department: Support IDV Priority: Normal Status: Open