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Re: 20020709: Exception in thread "main" java.lang.IllegalArgumentException

You have to first create the variable, eg:

  NetcdfFileWriteable ncfle = new NetcdfFileWriteable();  // from netHead
  ncfle.setName(outfle);                  // output file name

    // define dimensions
    Dimension netOut_nStrings = ncfile.addDimension("netOut_nStrings", 2);
    Dimension netOut_strLen = ncfile.addDimension("netOut_strLen", 10);

    // define Variable "netOut"
    Dimension[] dims = new Dimension[2];
    dims[0] = netOut_nStrings ;
    dims[1] = netOut_strLen ;
    ncfile.addVariable("netOut", char.class, dims);


  try {
    ncfle.create();                           // create CDF binary file
  } catch (IOException e) { System.out.println("ERROR creating file"); }

if you look at the user manual, it has some complete examples
http://www.unidata.ucar.edu/packages/netcdf-java/manual.htm

more info at
http://www.unidata.ucar.edu/packages/netcdf-java/


----- Original Message -----
From: "Unidata Support" <address@hidden>
To: <address@hidden>
Sent: Tuesday, July 09, 2002 10:13 AM
Subject: 20020709: Exception in thread "main"
java.lang.IllegalArgumentException


>
> Bob Van Wie tried to send this to the netcdf-java list, but he is not
> subscribed.
>
> Tom
>
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> >Organization: UCAR/Unidata
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> Date: Tue, 9 Jul 2002 12:01:21 -0400 (EDT)
>
>                               July 9, 2002
> Hello all,
>
>     In running the following java program, I receive
> the following error message when attempting to write the
> file owith the statement:
>
> Exception in thread "main" java.lang.IllegalArgumentException:
> NetcdfFileWriteable.write illegal variable name netOut
> at ucar.nc2.NetcdfFileWriteable.write
>
>
>
>     What is wrong with the output statement ?
>
>     What is the purpose of the integer array "origin" ?
>
>
>     Please help.
>
>                         Bob Van Wie
>                         address@hidden
>
>
> import ucar.ma2.*;
> import ucar.nc2.*;
>
> public class cdf
> {
>    public  net        nt;
>    NetcdfFileWriteable ncfile;
>
>    cdf( ) {                     // constructor
>      net nt = new net( );
>      nt.netHead( );
>    }                                // end constructor
>    public static void main( String args[] ) {
>        new cdf( );
>    }
> }                                 // end cnvMeds
>
> import ucar.ma2.*;
> import ucar.nc2.*;
> import java.io.IOException;
>
> public class net extends NetcdfFile {
>
>   static String outfle = "netOut";
>   static String seg[] = new String[2];
>
>    net( ) { super(); }
>
>    public void netHead( ) {
>      int[] origin = new int[2];
>      int numSegs = 2;
>
>      NetcdfFileWriteable ncfle = new NetcdfFileWriteable();  // from
netHead
>      ncfle.setName(outfle);                  // output file name
>
>      try {
>        ncfle.create();                           // create CDF binary file
>      } catch (IOException e) { System.out.println("ERROR creating
file"); }
>      System.out.println( "ncfle = " + ncfle );
>
>        seg[0] = "TEMP";    seg[1] = "PSAL";
>        System.out.println( seg[0] + " seg " + seg[1] );
>        ArrayChar ac = new ArrayChar.D2( 2, 4 );
>        Index ima = ac.getIndex();
>        for( int j=0; j < 2; j++ ) {
>          ac.setString( ima.set(j), seg[j]);
>        }
>
>        try {
>          ncfle.write( "netOut", origin, ac );              // <--  TROUBLE
!!
>        } catch (IOException e) { System.out.println("ERROR writing
file"); }
>      try {
>        ncfle.close();
>      } catch (IOException e) { System.out.println("ERROR closing file"); }
>    }                             // end netHead
> }
>
>
> ------- End of Forwarded Message
>