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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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To learn about what's going on, see About the Archive Site.
Hi Ed, No problem - let me know if you have any other questions. Also note that the previous 14 days or so of RADAR data (level 2 and 3) can be accessed directly from the IDV Data Chooser :-) Cheers, Sean > Hi Sean, > > Ah, I did not know that WES converts the data to a different format > (DRT). I will check to see if it can go back the other way. IF not, > like you suggest, we can use radar data from NCDC (as always). > > Thanks for your help!! > > Ed > > On Sun, Aug 12, 2012 at 10:09 AM, Unidata IDV Support > <address@hidden> wrote: > > Hi Ed, > > > > Thanks for the info! It looks like WES converts the data to the DRT > > (Displaced Real > > Time) format, which seems to be specific to WES. I tried to use ncdump on > > the > > file and it says it's not netCDF. I tried to open the file in tools-UI, > > which uses the > > common data model (it can read in several data types), and it could not > > understand > > the format. I know WES has the ability to convert case study data in their > > native > > format into the DRT format - is it able to go the other way as well (DRT -> > > navtive)? > > If so, then we should be able to read the data in their native format. > > > > Cheers, > > > > Sean > > > > PS. The IDV can read the data obtained from NCDC, so if all else fails, > > you could go that route. > > > >> Hi Sean, > >> > >> No problem. I will give you some background info. FYI: I work in the > >> NWS Milwaukee Weather Forecast Office. I got this radar file from our > >> Weather Event Simulator (WES) archive. This file was made when we > >> were archiving our data for this date from our AWIPS workstation. I > >> believe this file contains a radar data from 0.5 degree elevation > >> angle at 0.25 km resolution. > >> > >> Maybe because the data stems from our AWIPS workstation and, thus, it > >> is natively displayed in our Display 2-Dimensional (D2D) software that > >> it may not be compatible with IDV? I thought that it would be given > >> its a radar file (I believe). I thought it would be similar to say > >> the NCDC Level 2 archive radar files. > >> > >> Thanks, > >> > >> Ed > >> > >> On Sat, Aug 11, 2012 at 5:41 PM, Unidata IDV Support > >> <address@hidden> wrote: > >> > Greetings Ed, > >> > > >> > I checked to see if the file you sent was netCDF, and it isn't. That > >> > said, I am not > >> > sure what kind of file it is. Could you tell me a little bit more about > >> > the file, like > >> > where you got it and what kind of RADAR data you expect it to contain? No > >> > worries, we'll solve this mystery. > >> > > >> > Cheers, > >> > > >> > Sean > >> > > >> >> Full Name: Ed Townsend > >> >> Email Address: address@hidden > >> >> Organization: National Weather Service > >> >> Package Version: 3.0u2 build date:2012-02-10 17:21 UTC > >> >> Operating System: Windows 7 > >> >> Hardware: Java: home: C:\Program Files\IDV_3.0u2\jre version: 1.6.0_20 > >> >> j3d:1.5.2 fcs (build4) > >> >> Description of problem: I am trying to open a radar file but I cannot > >> >> find the right source when it comes to adding it as a source. I have > >> >> attached the file. > >> >> > >> >> I get the following error when I load it as a netcdf, which I believe > >> >> I thought it was. > >> >> There was an error loading the data: > >> >> java.lang.NullPointerException > >> >> > >> >> Thank you, > >> >> > >> >> Ed > >> >> > >> >> ****************** > >> >> Stack trace: > >> >> java.lang.NullPointerException > >> >> at > >> >> ucar.unidata.io.bzip2.CBZip2InputStream.bsR(CBZip2InputStream.java:349) > >> >> at > >> >> ucar.unidata.io.bzip2.CBZip2InputStream.bsGetUChar(CBZip2InputStream.java:367) > >> >> at > >> >> ucar.unidata.io.bzip2.CBZip2InputStream.initBlock(CBZip2InputStream.java:254) > >> >> at > >> >> ucar.unidata.io.bzip2.CBZip2InputStream.setStream(CBZip2InputStream.java:195) > >> >> at ucar.nc2.iosp.nids.Nidsheader.uncompressed(Nidsheader.java:2324) > >> >> at ucar.nc2.iosp.nids.Nidsheader.read(Nidsheader.java:435) > >> >> at ucar.nc2.iosp.nids.Nidsiosp.open(Nidsiosp.java:108) > >> >> at ucar.nc2.NetcdfFile.<init>(NetcdfFile.java:1439) > >> >> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:846) > >> >> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:479) > >> >> at > >> >> ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:696) > >> >> at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:424) > >> >> at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:520) > >> >> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:101) > >> >> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:87) > >> >> at > >> >> ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSource.java:1094) > >> >> at > >> >> ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1116) > >> >> at > >> >> ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:478) > >> >> at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1577) > >> >> 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:1062) > >> >> at ucar.unidata.util.Misc$3.run(Misc.java:1090) > >> >> > >> >> > >> >> > >> > > >> > Ticket Details > >> > =================== > >> > Ticket ID: YCQ-835230 > >> > Department: Support IDV > >> > Priority: Normal > >> > Status: Open > >> > > >> > >> > > > > > > Ticket Details > > =================== > > Ticket ID: YCQ-835230 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > Ticket Details =================== Ticket ID: YCQ-835230 Department: Support IDV Priority: Normal Status: Closed