[IDV #YGJ-893554]: Error Multiplying Two Fields in IDV

Paul,

To reiterate, you must choose the CAPE and mixing ratio that are available 
under the 3D fields.

Please keep us up-to-date on your progress.

Best wishes,

Unidata IDV Support

> Hi Unidata Support,
> 
> I have found the problem is also occurring when I choose to plot the
> surface Mixing Ratio by itself.
> 
> Paul
> 
> 
> On 27 September 2013 07:34, Paul Graham <address@hidden> wrote:
> 
> > Hi Unidata Support,
> >
> > Is it because I chose the 2D (surface) fields for CAPE and Mixing Ratio
> > that caused this error?
> >
> > Thanks,
> >
> > Paul Graham
> >
> >
> > address@hidden> wrote:
> >
> >> Paul,
> >>
> >> We are successfully able to view your formula in the IDV. CAPE and mixing
> >> ratio are available under 2D and 3D in the IDV Field Selector. Make sure
> >> you select the 3D fields for CAPE and mixing ratio.
> >>
> >> Please keep us up-to-date on your progress.
> >>
> >> Best wishes,
> >>
> >> Unidata IDV Support
> >>
> >> > Dear Unidata Support,
> >> >
> >> > I was trying to multiply CAPE and the surface Mixing Ratio (derived
> >> > quantity in this data set).
> >> >
> >> > Any ideas as to what has gone wrong?
> >> >
> >> > Thanks,
> >> >
> >> > Paul
> >> >
> >> >
> >> > address@hidden> wrote:
> >> >
> >> > > Dear Paul,
> >> > >
> >> > > Can you explain a bit more about what you are trying to do here? I was
> >> > > able to get your formula to work for some GFS data. What fields are
> >> you
> >> > > trying to multiply? You can upload a sample data set at
> >> > > http://motherlode.ucar.edu/repository/alias/idvupload.
> >> > >
> >> > > Best Wishes,
> >> > >
> >> > > Unidata IDV Support
> >> > >
> >> > > > Full Name: Paul Graham
> >> > > > Email Address: address@hidden
> >> > > > Organization: Weathersim
> >> > > > Package Version: 4.1u1 build date:2013-09-25 07:05 UTC
> >> > > > Operating System: Linux
> >> > > > Hardware: Java: home: /usr/local/bin/IDV_4.1u1/jre version: 1.6.0_41
> >> > > j3d:1.5.2 fcs (build4)
> >> > > > Description of problem: Error occurs when using simple Jython
> >> method to
> >> > > multiply two different fields together:
> >> > > >
> >> > > > def mulFields(F1,F2):
> >> > > > return mul(F1,F2)
> >> > > >
> >> > > > Creating display: Color-Filled Contour Plan View
> >> > > > java.lang.ClassCastException: java.lang.ClassCastException:
> >> > > visad.LinearLatLonSet cannot be cast to visad.Gridded3DSet
> >> > > > visad.LinearLatLonSet cannot be cast to visad.Gridded3DSet
> >> > > >
> >> > > > ******************
> >> > > > Stack trace:
> >> > > > java.lang.ClassCastException: visad.LinearLatLonSet cannot be cast
> >> to
> >> > > visad.Gridded3DSet
> >> > > > at
> >> > >
> >> ucar.unidata.data.grid.DerivedGridFactory.createPressureGridFromDomain(DerivedGridFactory.java:3185)
> >> > > > at
> >> > >
> >> ucar.unidata.data.grid.DerivedGridFactory.createMixingRatio(DerivedGridFactory.java:2455)
> >> > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >> > > > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> >> > > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> >> > > > at java.lang.reflect.Method.invoke(Unknown Source)
> >> > > > at
> >> > >
> >> org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:186)
> >> > > > at
> >> > >
> >> org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:204)
> >> > > > at org.python.core.PyObject.__call__(PyObject.java:404)
> >> > > > at org.python.core.PyObject.__call__(PyObject.java:408)
> >> > > > at org.python.pycode._pyx115.f$0(<string>:1)
> >> > > > at org.python.pycode._pyx115.call_function(<string>)
> >> > > > at org.python.core.PyTableCode.call(PyTableCode.java:165)
> >> > > > at org.python.core.PyCode.call(PyCode.java:18)
> >> > > > at org.python.core.Py.runCode(Py.java:1261)
> >> > > > at org.python.core.__builtin__.eval(__builtin__.java:484)
> >> > > > at org.python.core.__builtin__.eval(__builtin__.java:488)
> >> > > > at
> >> org.python.util.PythonInterpreter.eval(PythonInterpreter.java:190)
> >> > > > at
> >> > >
> >> ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:787)
> >> > > > at
> >> > >
> >> ucar.unidata.data.DerivedDataChoice.setData(DerivedDataChoice.java:635)
> >> > > > at
> >> > >
> >> ucar.unidata.data.DerivedDataChoice.collectOperands(DerivedDataChoice.java:586)
> >> > > > at
> >> > >
> >> ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:738)
> >> > > > at ucar.unidata.data.DataChoice.getData(DataChoice.java:637)
> >> > > > at ucar.unidata.data.DataInstance.getData(DataInstance.java:243)
> >> > > > at ucar.unidata.data.DataInstance.getData(DataInstance.java:207)
> >> > > > at
> >> > >
> >> ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:206)
> >> > > > at
> >> > >
> >> ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:163)
> >> > > > at
> >> > >
> >> ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:144)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:284)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:3224)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:3206)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.java:641)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.ContourPlanViewControl.setData(ContourPlanViewControl.java:194)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:471)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1421)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1106)
> >> > > > at
> >> > >
> >> ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:986)
> >> > > > at
> >> ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:911)
> >> > > > at ucar.unidata.util.Misc$3.run(Misc.java:1251)
> >> > > >
> >> > > >
> >> > > >
> >> > >
> >> > >
> >> > > Ticket Details
> >> > > ===================
> >> > > Ticket ID: YGJ-893554
> >> > > Department: Support IDV
> >> > > Priority: Normal
> >> > > Status: Closed
> >> > >
> >> > >
> >> >
> >> >
> >> > --
> >> > Paul Graham
> >> > Email: address@hidden
> >> > Mobile: 0403003784
> >> >
> >> >
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: YGJ-893554
> >> Department: Support IDV
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> >
> > --
> > Paul Graham
> > Email: address@hidden
> > Mobile: 0403003784
> >
> 
> 
> 
> --
> Paul Graham
> Email: address@hidden
> Mobile: 0403003784
> 
> 


Ticket Details
===================
Ticket ID: YGJ-893554
Department: Support IDV
Priority: Normal
Status: Closed