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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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: Manolis > Email Address: address@hidden > Organization: MAICh > Package Version: 4.1 build date:2013-08-02 18:38 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\IDV_4.1\jre version: 1.6.0_43 > j3d:1.5.2 fcs (build4) > Description of problem: Netcdf sweep error:init > Cant read C:/Users/M/Desktop/New > folder/ASCA_SMR_02_M01_20131112192100Z_20131112210258Z_N_O_20131112201157Z.nat: > not a valid CDM file. > > Hello, I have a lot of data from the ASCAT Soil Moisture Product in the *.nat > form (It was ordered from EUMETSAT in netCDF format) and even though Eumetsat > says this product should be able to visualize the data I cannot seem to be > able to visualize it with any of the given data types. Is there any chance > that you can help me? > > Sorry if I miss something important, I'm new to this kind of data.. > > If you want me to atach the file please ask me.. > > Thank you in advance. > > M. Kefalogiannis > Hi Kefalogiannis, Please send us a small sample file to allow us to try it locally. It would be helpful if you can send us some information of this kind of data format. Yuan > ****************** > Stack trace: > java.io.IOException: Cant read C:/Users/M/Desktop/New > folder/ASCA_SMR_02_M01_20131112192100Z_20131112210258Z_N_O_20131112201157Z.nat: > not a valid CDM file. > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:803) > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:422) > at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:699) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:421) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:404) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:389) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:376) > at > ucar.unidata.data.radar.NetcdfSweepfileAdapter.init(NetcdfSweepfileAdapter.java:143) > at > ucar.unidata.data.radar.NetcdfSweepfileAdapter.<init>(NetcdfSweepfileAdapter.java:130) > at > ucar.unidata.data.radar.NetcdfRadarDataSource.makeRadarAdapter(NetcdfRadarDataSource.java:132) > at ucar.unidata.data.radar.RadarDataSource$1.run(RadarDataSource.java:298) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:273) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:245) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:212) > at > ucar.unidata.data.radar.RadarDataSource.makeAdapters(RadarDataSource.java:320) > at > ucar.unidata.data.radar.RadarDataSource.getAdapters(RadarDataSource.java:252) > at > ucar.unidata.data.radar.RadarDataSource.getRadarAdapters(RadarDataSource.java:637) > at > ucar.unidata.data.radar.NetcdfRadarDataSource.doMakeDataChoices(NetcdfRadarDataSource.java:107) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1852) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1599) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1980) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1897) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1831) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1804) > at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943) > at ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:656) > at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:525) > at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:547) > 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 ucar.unidata.util.Misc$2.run(Misc.java:1223) > at ucar.unidata.util.Misc$3.run(Misc.java:1251) > > > Ticket Details =================== Ticket ID: ZNQ-435118 Department: Support IDV Priority: Normal Status: Open