20040831: IDV - wind flow vectors with udiff and vdiff

>From: "David Ahijevych" <address@hidden>
>Organization: NCAR/MMM
>Keywords: 200408311940.i7VJe4OA001824 IDV error

Hi David-

>Institution: MMM
>Package Version: 1.1
>Operating System: os.name:Linux; os.arch:i386; os.version:2.4.22-1.2188.nptlsm
> p; 
>Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_01
> ; java.home:/sharp/ahijevyc/IDV/jre; 
>Inquiry: >But I also want to plot wind vectors where the u-component is udiff 
> and
>>the v-component is vdiff.
>
>Don asked if I was seeing ClassCastExceptions.
>I saw a bunch of error messages, but they disappeared when I clicked the butto
> n 
>to send this report. Hopefully the details get tagged on to this email??

Yes they do.  We used to display them in the box, but now they get 
silently tacked on. ;-)

This is as I suspected and I'll look at it tomorrow.

Thanks.

Don
>
>An error has occurred:
>ControlDescriptor.Creating display
>org.python.core.PyException
>
>******************
>Stack trace:
>Traceback (innermost last):
>  File "<string>", line 1, in ?
>  File "/ucar/unidata/idv/resources/default.py", line 48, in makeVector
>java.lang.ClassCastException
>       at ucar.unidata.data.grid.DerivedGridFactory.createFlowVectors(DerivedG
> ridFactory.java:791)
>       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.jav
> a)
>       at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.jav
> a)
>       at org.python.core.PyObject.__call__(PyObject.java)
>       at org.python.core.PyObject.invoke(PyObject.java)
>       at org.python.pycode._pyx3.makeVector$4(/ucar/unidata/idv/resources/def
> ault.py:48)
>       at org.python.pycode._pyx3.call_function(/ucar/unidata/idv/resources/de
> fault.py)
>       at org.python.core.PyTableCode.call(PyTableCode.java)
>       at org.python.core.PyTableCode.call(PyTableCode.java)
>       at org.python.core.PyFunction.__call__(PyFunction.java)
>       at org.python.pycode._pyx10.f$0(<string>:1)
>       at org.python.pycode._pyx10.call_function(<string>)
>       at org.python.core.PyTableCode.call(PyTableCode.java)
>       at org.python.core.PyCode.call(PyCode.java)
>       at org.python.core.Py.runCode(Py.java)
>       at org.python.core.__builtin__.eval(__builtin__.java)
>       at org.python.core.__builtin__.eval(__builtin__.java)
>       at org.python.util.PythonInterpreter.eval(PythonInterpreter.java)
>       at ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:7
> 91)
>       at ucar.unidata.data.DataChoice.getData(DataChoice.java:480)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:205)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:170)
>       at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:1
> 76)
>       at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java
> :139)
>       at ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridD
> isplayControl.java:206)
>       at ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlIm
> pl.java:1890)
>       at ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.jav
> a:328)
>       at ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:2
> 90)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:805)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:731)
>       at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.jav
> a:740)
>       at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:697)
>       at ucar.unidata.util.Misc$1.run(Misc.java:1448)
>
>java.lang.ClassCastException: java.lang.ClassCastException
>
>
>
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