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[netCDFJava #GFQ-763475]: java bufr example?

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  • Subject: [netCDFJava #GFQ-763475]: java bufr example?
  • Date: Tue, 09 Aug 2011 14:09:00 -0600
thats not a bufr file, its a bufr table.

try it on one of the bufr files you actually want to read.

> Hi,
> 
> 
> I tried to open a bufr file through netcdf-java and bufr3.0. It compiled and 
> failed to run:
> 
> 
> 
> gsod000964804l:test_bufr szhou$ javac -cp 
> ./:/Users/szhou/tasc_april25_06/java_jar/netcdfAll-4.2.jar:/Users/szhou/tasc_april25_06/test_java/test_bufr/bufr-3.0.jar
>   readBufr.java
> gsod000964804l:test_bufr szhou$ java -cp 
> ./:/Users/szhou/tasc_april25_06/java_jar/netcdfAll-4.2.jar:/Users/szhou/tasc_april25_06/test_java/test_bufr/bufr-3.0.jar
>   readBufr
> java.io.IOException: Cant read B3M-000-012-B: not a valid CDM file.
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:737)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:387)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:357)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:344)
> at readBufr.main(readBufr.java:43)
> 
> 
> Here is the java code
> 
> import ucar.nc2.iosp.bufr.*;
> import ucar.nc2.*;
> //import ucar.nc2.dataset.conv._Coordinate;
> import ucar.nc2.dataset.conv.*;
> import ucar.nc2.util.CancelTask;
> import ucar.ma2.DataType;
> 
> import java.io.PrintStream;
> import java.util.*;
> 
> import ucar.nc2.Group;
> import ucar.nc2.Variable;
> import ucar.nc2.Attribute;
> import ucar.nc2.Dimension;
> import ucar.nc2.NetcdfFile;
> 
> import ucar.ma2.ArrayFloat;
> import ucar.ma2.InvalidRangeException;
> 
> import java.io.IOException;
> import java.util.List;
> import java.lang.String;
> 
> /**
> * try to a bufr file via net-java api
> */
> 
> public class readBufr {
> 
> public static void main(String args[]) {
> 
> 
> String filename = "B3M-000-012-B";
> 
> // Open the bufr file through  netcdf api.
> 
> NetcdfFile dataFile = null;
> try {
> 
> dataFile = NetcdfFile.open(filename, null);
> 
> } catch (java.io.IOException e) {
> e.printStackTrace();
> return;
> } finally {
> if (dataFile != null)
> try {
> dataFile.close();
> } catch (IOException ioe) {
> ioe.printStackTrace();
> }
> }
> 
> 
> }
> }
> 
> 
> The bufr file, B3M-000-012-B, is attached which is downloaded from
> http://www.unidata.ucar.edu/software/netcdf-java/tutorial/bufr/bufrIosp.html
> (somehow this url is not working today.)
> 
> 
> Looking forward to hearing from you.
> 
> Thanks,
> 
> 
> Shujia
> 
> ________________________________________
> From: Unidata netCDF Java Support [address@hidden]
> Sent: Saturday, August 06, 2011 4:57 PM
> To: Zhou, Shujia (GSFC-610.3)[NORTHROP GRUMMAN]
> Cc: address@hidden
> Subject: [netCDFJava #GFQ-763475]: java bufr example?
> 
> > Hi, John:
> >
> > On Aug 4, 2011, at 9:53 AM, Unidata netCDF Java Support wrote:
> >
> > > Hi Shujia :
> > >
> > > You dont have to do anything special to open a BUFR file:
> > >
> > > NetcdfFile ncfile = NetcdfFile.open("file.bufr");
> > >
> > > There can be problems if we dont have the BUFR table for that particular 
> > > BUFR file. Send me the file if you see that happening.
> >
> > OK. I wil write a code to read the output of NCEP or NWS in BUFR.
> >
> > By the way, is netcdf 4.2 supporting hdf?
> 
> yes
> 
> 
> Ticket Details
> ===================
> Ticket ID: GFQ-763475
> Department: Support netCDF Java
> Priority: Normal
> Status: Closed
> 
> 
> 


Ticket Details
===================
Ticket ID: GFQ-763475
Department: Support netCDF Java
Priority: Normal
Status: Open