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20041214: IDV - derived data error from temp and rh of avn data

>From: "cheong chin chio" <address@hidden>
>Organization: SMG from MACAO
>Keywords: 200412140936.iBE9amjW016034 IDV derived quantity

Hi-

>Institution: SMG from MACAO
>Package Version: 1.1
>Operating System: os.name:Windows 2000; os.arch:x86; os.version:5.0; 
>Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_01
> ; java.home:C:\\Program Files\\Java\\j2re1.4.2_01; 
>Inquiry: An error has occurred:
>ControlDescriptor.Creating display
>org.python.core.PyException

Is this a locally generated avn dataset?  Do both the temp and rh
fields have the same number of levels?  Is there a way you could
put the file out on an ftp/http server for me to download and look
at?

>******************
>Stack trace:
>Traceback (innermost last):
>  File "<string>", line 1, in ?
>visad.TypeException: MathType of data object (((longitude, latitude, levels) -
> > tmpprs)) is incompatible with required MathType (Temperature)
>       at ucar.visad.Util.vetType(Util.java:183)
>       at ucar.visad.quantities.SaturationVaporPressure.create(SaturationVapor
> Pressure.java:364)
>       at ucar.unidata.data.grid.DerivedGridFactory.makeDewpointFromTAndRH(Der
> ivedGridFactory.java:1186)
>       at ucar.unidata.data.grid.DerivedGridFactory.createDewpoint(DerivedGrid
> Factory.java:1149)
>       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._pyx9.f$0(<string>:1)
>       at org.python.pycode._pyx9.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.ContourPlanViewControl.setData(ContourPlanV
> iewControl.java:109)
>       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)
>
>visad.TypeException: visad.TypeException: MathType of data object (((longitude
> , latitude, levels) -> tmpprs)) is incompatible with required MathType (Tempe
> rature)
>
>

Don Murray
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