Re: [netcdfgroup] [Netcdf] Compressed files write

• To: William Oquendo <woquendo@xxxxxxxxx>
• Subject: Re: [netcdfgroup] [Netcdf] Compressed files write
• From: Ted Mansell <ted.mansell@xxxxxxxx>
• Date: Wed, 22 Aug 2012 09:30:09 -0500

Correct, but writing is with zlib only, not szip. Szip is read-only for some 
reason (and hdf5 has to be compiled with szip support).  The ability to write 
with szip compression was added briefly, but was quickly removed -- for some 
reason that didn't make sense to me.

-- Ted


On Aug 21, 2012, at 8:40 PM, William Oquendo wrote:

> Hello,
> Just to say I have found that indeed is possible to do compression (per 
> variable). In particular, I am using the  setCompression function in the cxx 
> interface. 
> 
> Best regards / Cordialmente,
> 
> William-Fernando Oquendo
> --------------------------
> Este correo puede carecer de tildes o eñes debido al teclado. 
> 
> 
> 
> 
> On Tue, Aug 21, 2012 at 7:56 PM, William Oquendo <woquendo@xxxxxxxxx> wrote:
> Dear all, 
> 
> After reading the mailing archives, it is clear that originally netcdf was 
> able to be compiled with compressed libraries in order to READ compressed 
> files.
> With the current version of netcdf (4.2.1), compiled with hdf5support and 
> szip, is it possible to WRITE compressed files? If not, is this planned?
> And another possibly silly question, just to know: If I compiled my netcdf 
> installation with hdf5 support, will all my netcdf files be actually hdf5 
> files?
> Thanks for your kind help.
> 
> Best regards / Cordialmente,
> 
> William-Fernando Oquendo
> --------------------------
> Este correo puede carecer de tildes o eñes debido al teclado. 
> 
> 
> 
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