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Hi Beth- > Full Name: Beth > Email Address: address@hidden > Organization: University of Massachusetts Lowell > Package Version: 2.4 build date:2007-12-20 16:34 UTC > Operating System: Mac OS X > Hardware: Java: home: > /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home version: > 1.5.0_13 j3d:1.3.1 > Description of problem: crossSectionChanged > Gridded2DSet: samples do not form a valid grid I think the way you are doing this is the correct way, but for some reason, the IDV doesn't like this file. Could you make the data available? Alternatively, download the latest version (2.5) and install the patch file available on the download site which was announced on the idvusers email list. That has some fixes for the new Level II format. Don Murray > ****************** > Stack trace: > visad.SetException: Gridded2DSet: samples do not form a valid grid > at visad.Gridded2DSet.<init>(Gridded2DSet.java:98) > at visad.Gridded2DSet.<init>(Gridded2DSet.java:56) > at > ucar.unidata.idv.control.ColorRhiControl.make2DDataAtOneTime(ColorRhiControl.java:990) > at > ucar.unidata.idv.control.ColorRhiControl.make2DData(ColorRhiControl.java:903) > at > ucar.unidata.idv.control.CrossSectionControl.loadData(CrossSectionControl.java:1217) > at > ucar.unidata.idv.control.ColorRhiControl.loadDataFromLine(ColorRhiControl.java:854) > at > ucar.unidata.idv.control.ColorRhiControl.crossSectionChanged(ColorRhiControl.java:347) > at > ucar.unidata.idv.control.ColorRhiControl.propertyChange(ColorRhiControl.java:272) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:341) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270) > at ucar.visad.display.Displayable.firePropertyChange(Displayable.java:1039) > at > ucar.visad.display.SelectorDisplayable.notifyListenersOfMove(SelectorDisplayable.java:181) > at > ucar.visad.display.CrossSectionSelector.positionHasChanged(CrossSectionSelector.java:700) > at > ucar.visad.display.CrossSectionSelector.moveEndpoint(CrossSectionSelector.java:646) > at > ucar.visad.display.CrossSectionSelector.access$200(CrossSectionSelector.java:52) > at > ucar.visad.display.CrossSectionSelector$1.doAction(CrossSectionSelector.java:611) > at visad.ActionImpl.run(ActionImpl.java:364) > at visad.util.ThreadPool$ThreadMinnow.run(ThreadPool.java:95) > > > Ticket Details =================== Ticket ID: QDG-205482 Department: Support IDV Priority: Normal Status: Open