Re: [netcdfgroup] dimension bug

• To: Jeff Whitaker <jswhit@xxxxxxxxxxx>
• Subject: Re: [netcdfgroup] dimension bug
• From: Ed Hartnett <ed@xxxxxxxxxxxxxxxx>
• Date: Tue, 30 Nov 2010 05:18:43 -0700

Jeff Whitaker <jswhit@xxxxxxxxxxx> writes:

> This simple program triggers a problem with the latest netcdf snapshot
> and hdf5 1.8.5 patch1
>
> #include <stdio.h>
> #include <string.h>
> #include <netcdf.h>
> int
> main()
> {
>    int varid,ncid, x_dimid, y_dimid, retval;
>    retval = nc_create("test.nc", NC_NETCDF4 | NC_CLOBBER, &ncid);
>    retval = nc_def_dim(ncid, "x", 5, &x_dimid);
>    retval = nc_def_dim(ncid, "y", 2, &y_dimid);
>    const int dims[2] = {x_dimid, y_dimid};
>    retval = nc_def_var(ncid, "y", NC_FLOAT, 2, dims, &varid);
>    retval = nc_close(ncid);
>    return 0;
> }
>
> ncdump'ing the resulting file gives
>
> ncdump test.nc
>
> netcdf test {
> dimensions:
>         x = 5 ;
>         y = 5 ;
> variables:
>         float y(x, y) ;
> data:
>
>  y =
> ncdump: NetCDF: Start+count exceeds dimension bound
>
> The program works if the output format is set to NETCDF3.
>
> -Jeff

Howdy Jeff!

Thanks for finding this. I fixed it yesterday, and the fix is included
in last night's snapshot release:
ftp://ftp.unidata.ucar.edu/pub/netcdf/snapshot/netcdf-4-daily.tar.gz

Keep on netCDFing!

Ed

-- 
Ed Hartnett  -- ed@xxxxxxxxxxxxxxxx

• References:
  • [netcdfgroup] dimension bug
    • From: Jeff Whitaker