comp.lang.idl-pvwave archive: archive » Re: writing large 3D data file fails

Home » Public Forums » archive » Re: writing large 3D data file fails

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: writing large 3D data file fails [message #68248 is a reply to message #68247]

Thu, 08 October 2009 01:10

dorthe
Messages: 12
Registered: April 2007

Junior Member

On Oct 7, 9:05 am, David Fanning <n...@dfanning.com> wrote:
> 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.")- Hide quoted text -
>
> - Show quoted text -

can't be, the system is 64 bit, Linux - with 64 GB of memory, so
should be OK (and it is, I don't get any errors)

Report message to a moderator

[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

Previous Topic:	Re: Browse for Cloud-Free MODIS Images
Next Topic:	Re: is there a 3D equivalent of CONTOUR?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Nov 29 19:55:12 PST 2025

Total time taken to generate the page: 1.12100 seconds