20060118: IDV - error while trying to choose thickness between two levels( top, bottom)

>From: "mike voss" <address@hidden>
>Organization: SJSU
>Keywords: 200601181947.k0IJlT8e010443 IDV bug

Hi Mike-

>Institution: sjsu
>Package Version: 1.3b1
>Operating System: os.name:Windows XP; os.arch:x86; os.version:5.1;
>Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_08
> ; java.home:C:\\Program Files\\IDV_1.3B1\\jre; j3d.version:1.3.2 fcs (build12
> ); j3d.vendor:Sun Microsystems, Inc.; j3d.renderer:OpenGL;
>Inquiry: (Just passing this along, not crictical...let me know if you want to 
> see these..thanks)

You bet.  This is a bug, thanks for finding it.  We'll fix it in 
the next release, but for now, you can work around it by selecting
the System->Layer Difference formula from the Formulas Data Source
and when prompted for the parameter, use the geopotential height
field.

>Stack trace:
>Traceback (innermost last):
>  File "<string>", line 1, in ?
>java.lang.NullPointerException
>       at java.text.DecimalFormat.parse(Unknown Source)
>       at java.text.NumberFormat.parse(Unknown Source)
>       at ucar.unidata.util.Misc.parseValue(Misc.java:1557)
>       at ucar.unidata.data.grid.DerivedGridFactory.createLayerDifference(Deri
> vedGridFactory.java:154)
>       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:8
> 75)
>       at ucar.unidata.data.DataChoice.getData(DataChoice.java:526)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:204)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:169)
>       at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:1
> 75)
>       at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java
> :138)
>       at ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridD
> isplayControl.java:216)
>       at ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlIm
> pl.java:2410)
>       at ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.jav
> a:389)
>       at ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:3
> 06)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:1091)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:897)
>       at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.jav
> a:792)
>       at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:750)
>       at ucar.unidata.util.Misc$2.run(Misc.java:806)
>
>java.lang.NullPointerException: java.lang.NullPointerException
>
>
>

Don Murray
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