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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Greetings! It looks like you are trying to open a point netCDF file as a Digital Elevation Map (DEM) - make sure to switch the Data Source Type to netCDF / GEMPAK Point Data files. Cheers, Sean > Full Name: meysam > Email Address: address@hidden > Organization: esri > Package Version: 3.1 build date:2012-08-31 20:26 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\IDV_3.1\jre version: 1.6.0_31 > j3d:1.5.2 fcs (build4) > Description of problem: Reading DEM: > C:\Users\Asus\Desktop\workshopdata\idv\point\earthquake.nc > Data object "C:\Users\Asus\Desktop\workshopdata\idv\point\earthquake.nc" not > compatible with "dem" data family > > ****************** > Stack trace: > visad.data.BadFormException: Data object > "C:\Users\Asus\Desktop\workshopdata\idv\point\earthquake.nc" not compatible > with "dem" data family > at visad.data.FunctionFormFamily.open(FunctionFormFamily.java:444) > at ucar.unidata.data.gis.DemDataSource.makeDemData(DemDataSource.java:273) > at ucar.unidata.data.gis.DemDataSource.getDataInner(DemDataSource.java:208) > at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:2359) > at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:332) > 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:3201) > at > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:3183) > 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:1450) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1131) > 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:1250) > > > Ticket Details =================== Ticket ID: MXW-282865 Department: Support IDV Priority: Normal Status: Open