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Awesome, thanks Patrick. I'll take a look at things to see what I can figure out. Cheers, and thanks for the samples (very helpful to have), Sean > Yes. The surface u and v are coming from separate netCDF files as well, and > these work when I calculate wind speed and spatially subset. I have uploaded > them for you. They are called: > > Sfc_U_wnd_20100622_23.nc > Sfc_V_wnd_20100622_23.nc > > Patrick > ________________________________________ > From: Unidata IDV Support [address@hidden] > Sent: Thursday, August 23, 2012 4:00 PM > To: Patrick C. Campbell > Cc: address@hidden > Subject: [IDV #MXT-681298]: Wind Speed Formula Error > > Hi Patrick, > > Ok, I can reproduce the error if I try to spatially subset from within > the field selector dialog box that appears after clicking "Create > Display". When you do this with the surface data, are the u and > v components of wind coming from separate netCDF files too? > Would you mind uploaded an example of those as well? > > Cheers, > > Sean > > > OK, I just realized that the error message appears when trying to specify a > > U.S. region after Create Display. > > > > See if you can reproduce the error when you don't leave it as the default > > region (Global). What was confusing me was the fact that other NCEP/NCAR > > NETCDF files work fine when specifying a particular region. > > > > Thanks, > > > > Patrick > > ________________________________________ > > From: Unidata IDV Support [address@hidden] > > Sent: Thursday, August 23, 2012 3:23 PM > > To: Patrick C. Campbell > > Cc: address@hidden > > Subject: [IDV #MXT-681298]: Wind Speed Formula Error > > > > Hi Patrick, > > > > I didn't have any issues creating a 2d contour plan view using the wind > > speed formula: > > > > * Load each netCDF file into the IDV through Dashboard->Data Choosers > > * From the field selector, use the Formulas Data Sources and select Grids-> > > Speed from 2 components > > * Select your u and v fields in the field selector dialog box that appears > > * Choose your display > > * Click create display > > > > How were your trying to create the wind speed map? > > > > Cheers, > > > > Sean > > > > > OK Sean, > > > > > > I think I have uploaded to two exact files I was using. Their names are: > > > > > > 250 mb_Uwnd_20100622_23.nc > > > 250 mb_Vwnd_20100622_23.nc > > > > > > Thanks, > > > > > > Patrick > > > ________________________________________ > > > From: Unidata IDV Support [address@hidden] > > > Sent: Thursday, August 23, 2012 1:49 PM > > > To: Patrick C. Campbell > > > Cc: address@hidden > > > Subject: [IDV #MXT-681298]: Wind Speed Formula Error > > > > > > Hi Patrick, > > > > > > Would you mind uploading the exact files you are using? > > > > > > http://motherlode.ucar.edu/repository/alias/idvupload > > > > > > Thanks! > > > > > > Sean > > > > > > > Full Name: Patrick Campbell > > > > Email Address: address@hidden > > > > Organization: University of Wyoming > > > > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC > > > > Operating System: Windows 7 > > > > Hardware: Java: home: C:\Program Files\IDV_3.0u2\jre version: 1.6.0_20 > > > > j3d:1.5.2 fcs (build4) > > > > Description of problem: Hello, > > > > > > > > Trying to simply plot the wind speed from two components U & V at a > > > > pressure level 250 mb. The data are NETCDF files downloaded from ESRL > > > > NCEP/NCAR Reanalysis page > > > > (http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.pressure.html). > > > > I have attached the V component data file I am trying to use, to this > > > > support form. > > > > > > > > However, I get the following error: > > > > > > > > Creating display: Contour Plan View > > > > visad.SetException: visad.SetException: Gridded3DSet.valueToGrid: > > > > ManifoldDimension must be 3 > > > > Gridded3DSet.valueToGrid: ManifoldDimension must be 3 > > > > > > > > Funny thing is when I download the surface U and V components the IDV > > > > formulas for wind speed work correctly. > > > > > > > > Any help on this matter would be much appreciated. > > > > > > > > Thanks, > > > > Patrick Campbell > > > > > > > > Any hel > > > > > > > > ****************** > > > > Stack trace: > > > > visad.SetException: Gridded3DSet.valueToGrid: ManifoldDimension must be > > > > 3 > > > > at visad.Gridded3DSet.valueToGrid(Gridded3DSet.java:1070) > > > > at visad.Gridded3DSet.valueToIndex(Gridded3DSet.java:418) > > > > at visad.FlatField.resample(FlatField.java:4740) > > > > at visad.FlatField.binary(FlatField.java:2088) > > > > at visad.FieldImpl.binary(FieldImpl.java:836) > > > > at visad.DataImpl.binary(DataImpl.java:139) > > > > at visad.DataImpl.add(DataImpl.java:179) > > > > at visad.DataImpl.__add__(DataImpl.java:1393) > > > > 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.core.PyMethod.__call__(PyMethod.java:124) > > > > at org.python.core.PyMethod.__call__(PyMethod.java:115) > > > > at org.python.core.PyObjectDerived.__add__(PyObjectDerived.java:163) > > > > at org.python.core.PyObject._basic_add(PyObject.java:2009) > > > > at org.python.core.PyObject._add(PyObject.java:1995) > > > > at org.python.pycode._pyx143.f$0(<string>:1) > > > > at org.python.pycode._pyx143.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:773) > > > > at ucar.unidata.data.DataChoice.getData(DataChoice.java:607) > > > > at > > > > ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:785) > > > > 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:205) > > > > at > > > > ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:162) > > > > at > > > > ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:143) > > > > at > > > > ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:284) > > > > at > > > > ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:3153) > > > > at > > > > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:3135) > > > > at > > > > ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.java:643) > > > > at > > > > ucar.unidata.idv.control.ContourPlanViewControl.setData(ContourPlanViewControl.java:194) > > > > at > > > > ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:473) > > > > at > > > > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1402) > > > > at > > > > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1085) > > > > 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:1090) > > > > > > > > > > > > > > > > > > Ticket Details > > > =================== > > > Ticket ID: MXT-681298 > > > Department: Support IDV > > > Priority: Normal > > > Status: Open > > > > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: MXT-681298 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > > > > > Ticket Details > =================== > Ticket ID: MXT-681298 > Department: Support IDV > Priority: Normal > Status: Open > > > Ticket Details =================== Ticket ID: MXT-681298 Department: Support IDV Priority: Normal Status: Open