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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
>From: "Greg Salottolo" <address@hidden> >Organization: NTSB >Keywords: 200503171526.j2HFQr9K023090 Hi Greg- >Institution: NTSB >Package Version: 1.2b2 >Operating System: os.name:Windows XP; os.arch:x86; os.version:5.1; >Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_01 > ; java.home:C:\\Program Files\\IDV_1.2b2\\jre; >Inquiry: Good Morning: > >Unable to get display using a GRIB file of Total Icing Potential and Supercool > ed Large Droplet >Potential (see error below). If convert GRIB to Netcdf works fine. I will send > along the GRIB file and netcdf file. >Using 1.2b2 Windows ... > >Thanks .. Thanks for finding this error. I put a new version of nc2.2.jar at: ftp://ftp.unidata.ucar.edu/pub/idv/untested/nc2.2.jar Download that and replace the copy that you have in your installation (back up the other first). Please test this and let us know if you find any problems with it. Thanks for your help in testing. >Greg ... > >An error has occurred: >getFlatField read got IOException >java.io.IOException > > > > >****************** >Stack trace: >java.io.IOException > at ucar.nc2.dataset.grid.GeoGrid.readDataSlice(GeoGrid.java:385) > at ucar.nc2.dataset.grid.GeoGrid.readVolumeData(GeoGrid.java:249) > at ucar.unidata.data.grid.GeoGridAdapter.getFlatField(GeoGridAdapter.ja > va:860) > at ucar.unidata.data.grid.GeoGridAdapter.makeSequence(GeoGridAdapter.ja > va:997) > at ucar.unidata.data.grid.GeoGridAdapter.getSequence(GeoGridAdapter.jav > a:811) > at ucar.unidata.data.grid.GeoGridDataSource.makeFieldImpl(GeoGridDataSo > urce.java:429) > at ucar.unidata.data.grid.GeoGridDataSource.getDataInner(GeoGridDataSou > rce.java:357) > at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:1254) > at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:283 > ) > at ucar.unidata.data.DataChoice.getData(DataChoice.java:498) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:204) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:169) > at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:1 > 75) > at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java > :138) > at ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridD > isplayControl.java:209) > at ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlIm > pl.java:2072) > at ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.jav > a:360) > at ucar.unidata.idv.control.ContourPlanViewControl.setData(ContourPlanV > iewControl.java:112) > at ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:2 > 77) > at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl. > java:918) > at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl. > java:769) > at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.jav > a:741) > at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:699) > at ucar.unidata.util.Misc$2.run(Misc.java:773) > Don Murray NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.