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Re: [netcdfgroup] PDL::NetCDF reading char data

  • To: Brice Lambi <lambi@xxxxxxxx>
  • Subject: Re: [netcdfgroup] PDL::NetCDF reading char data
  • From: Doug Hunt <dhunt@xxxxxxxx>
  • Date: Mon, 3 Aug 2009 09:57:53 -0600 (MDT)
Hi Brice: Could you send me a complete example (with sample netCDF file and perl source, pared down to essentials?

I'll take a look at it.

--Doug

dhunt@xxxxxxxx
Software Engineer
UCAR - COSMIC, Tel. (303) 497-2611

On Thu, 30 Jul 2009, Brice Lambi wrote:

Hello,

I'm having some problems reading character data from a netcdf file using
PDL::NetCDF.  This is my example nc file (from ncdump):

netcdf testnc {
dimensions:
       recNum = UNLIMITED ; // (3 currently)
       char_len = 256 ;
variables:
       char char_data(recNum, char_len) ;
               char_data:long_name = "some char data" ;
data:

char_data =
 "some char data 0",
 "some char data 1",
 "some char data 2" ;
}

I will call "get" like this:

$recn = $nc->dimsize("recNum");
$tmp = $nc->get("char_data", [0,0], [$recn, 256]);
print $tmp;

And this is the output I see:

[ 'some char data 0' '' '' '' ]

Why is it only getting the first value?  I've verified that $recn is 3.
Any ideas?

Thanks,
Brice Lambi

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