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Greetings! The error indicates that you hadn't selected any a field to contour - were you using a formula? I've found that it is easy to miss selecting a field in the pop-up box when you use a formula. Can you tell me a little bit about what you were trying to contour? Cheers! Sean > Full Name: Washington > Email Address: address@hidden > Organization: student college > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC > Operating System: Mac OS X > Hardware: Java: home: > /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home version: > 1.6.0_31 j3d:1.5.2 fcs (build4) > Description of problem: I receive an error when trying to do contours either > 2D and 3D. > > java.lang.IllegalStateException: No data selected > at ucar.unidata.idv.ui.IdvUIManager.selectDataChoices(IdvUIManager.java:5574) > at > ucar.unidata.idv.IntegratedDataViewer.selectDataChoices(IntegratedDataViewer.java:1016) > at > ucar.unidata.data.DerivedDataChoice.collectOperands(DerivedDataChoice.java:549) > at ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:724) > 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: VBT-615352 Department: Support IDV Priority: Normal Status: Open