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Hi Marty- > Institution: Central MIchigan University > Package Version: 2.3 build date:2007-08-15 19:04 UTC > Operating System: Windows XP > Hardware Information: Java: home: C:\\Program Files\\Java\\jre1.6.0_02 > version: 1.6.0_02 j3d:1.3.2 fcs (build12) > Inquiry: We tried to display Isentropic Potential Vorticity in a number of > different ways and were unsuccessfull. It reads in the grids but will not > display. This is a bug in 2.3 and earlier versions listed in the Known Problems at: http://www.unidata.ucar.edu/software/idv/docs/userguide/Bugs.html#derivatives Version 2.4b2 has a fix, let me know if that doesn't work for you. Don > > > An error has occurred: > Creating display: Isosurface > org.python.core.PyException > > ****************** > Stack trace: > Traceback (innermost last): > File "<string>", line 1, in ? > visad.UnitException > at visad.RealType.binary(RealType.java:473) > at visad.FunctionType.binary(FunctionType.java:270) > at visad.DataImpl.binary(DataImpl.java:138) > at visad.DataImpl.add(DataImpl.java:179) > at > ucar.unidata.data.grid.DerivedGridFactory.createAbsoluteVorticity(DerivedGridFactory.java:655) > 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) > at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java) > at org.python.core.PyObject.__call__(PyObject.java) > at org.python.core.PyObject.invoke(PyObject.java) > at org.python.pycode._pyx29.f$0(<string>:1) > at org.python.pycode._pyx29.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:902) > at > ucar.unidata.data.DerivedDataChoice.collectOperands(DerivedDataChoice.java:750) > at ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:844) > at ucar.unidata.data.DataChoice.getData(DataChoice.java:581) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:239) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:203) > at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:204) > at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:161) > at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:142) > at > ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:220) > at > ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:2770) > at > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:2752) > at > ucar.unidata.idv.control.ThreeDSurfaceControl.setData(ThreeDSurfaceControl.java:248) > at > ucar.unidata.idv.control.ThreeDSurfaceControl.init(ThreeDSurfaceControl.java:154) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1190) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:941) > at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:948) > at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:875) > at ucar.unidata.util.Misc$3.run(Misc.java:947) > > visad.UnitException: visad.UnitException > > > Ticket Details =================== Ticket ID: TJV-450074 Department: Support IDV Priority: Normal Status: Open