This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Full Name: Allen Chan > Email Address: address@hidden > Organization: The Hong Kong University of Science and Technology > Package Version: 4.0 build date:2013-03-07 17:58 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\IDV_4.0\jre version: 1.6.0_43 > j3d:1.5.2 fcs (build4) > Description of problem: Creating display: Vectors Over Topography Allen, In order to understand your problem, we need more information about what you were doing and how you were doing this. We can only guess from error message that you were trying to combine 2D gridded field with a 2D gridded. Yuan > FieldImpl.combine: domain dimensions of inputfields must match > FieldImpl.combine: domain dimensions of inputfields must match > > ****************** > Stack trace: > visad.VisADException: FieldImpl.combine: domain dimensions of inputfields > must match > at visad.FieldImpl.combine(FieldImpl.java:1065) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:1396) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:1305) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:1282) > at > ucar.unidata.data.grid.DerivedGridFactory.combineGrids(DerivedGridFactory.java:1263) > at > ucar.unidata.data.grid.DerivedGridFactory.create2DTopography(DerivedGridFactory.java:960) > at > ucar.unidata.data.grid.DerivedGridFactory.create2DTopography(DerivedGridFactory.java:844) > 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.pycode._pyx115.f$0(<string>:1) > at org.python.pycode._pyx115.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:787) > 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:206) > at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:163) > at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:144) > at > ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:284) > at > ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:3178) > at > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:3160) > at ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.java:641) > at > ucar.unidata.idv.control.FlowPlanViewControl.setData(FlowPlanViewControl.java:206) > at ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:471) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1421) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1106) > 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:1249) > > > Ticket Details =================== Ticket ID: BTD-721030 Department: Support IDV Priority: Normal Status: Open