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Re: writing large 3D data file fails [message #68259 is a reply to message #68255]

Wed, 07 October 2009 09:05

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Dorthe Wildenschild writes:

> I have a fltarr of 4008x4008x865 voxels that I'm trying to write to a
> file using
>
> GET_LUN, lun
> OPENW, lun, '/nfs/blahblah.dat'
> WRITEU, lun, volume
> CLOSE, lun
> FREE_LUN, lun
>
> this normally works like a charm for writing a simple binary data
> file, but for this large dataset, I can't get it to work? The file
> that get's written is way too small (about 3.5 GB - if I write it as a
> netDCF it is =A821 GB, which is more like the right size)
>
> Any ideas what goes wrong here?

My guess would be a 32-bit operating system. :-)

Cheers,

David

--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: writing large 3D data file fails By: penteado on Thu, 08 October 2009 07:26
		Re: writing large 3D data file fails By: Nigel Wade on Thu, 08 October 2009 04:32
		Re: writing large 3D data file fails By: dorthe on Thu, 08 October 2009 02:13
		Re: writing large 3D data file fails By: Nigel Wade on Thu, 08 October 2009 01:32
		Re: writing large 3D data file fails By: dorthe on Thu, 08 October 2009 01:10
		Re: writing large 3D data file fails By: JohnSmith on Wed, 07 October 2009 11:01
		Re: writing large 3D data file fails By: David Fanning on Wed, 07 October 2009 09:05
		Re: writing large 3D data file fails By: dorthe on Tue, 13 October 2009 02:58

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