[Mrtrix-discussion] streamtrack file size

[Robert Smith]

Chris

Generally anything that encounters problems at either 2GB or 4GB
immediately suggests a 32-bit problem.
In this case, I can think of two possibilities; either your operating
system is 32-bit, or your HDD is using a file system that does not support
files greater than 4GB (e.g. FAT32).
Can you let us know what OS and file system you are using? Is the output
track file being saved to an external drive or an internal one?
I have successfully created track files of over 100 million streamlines, so
I doubt it's something within MRtrix itself that's causing the limit.

Rob


--

Robert Smith
PhD Candidate

The Florey Institute of Neuroscience and Mental Health
Melbourne Brain Centre - Austin Campus
245 Burgundy Street
Heidelberg Vic 3084
Ph: +61 3 9035 7128
Fax: +61 3 9035 7301
www.florey.edu.au



On Thu, Dec 20, 2012 at 2:27 AM, Parker, Christopher <
christopher.parker.10 at ucl.ac.uk> wrote:

>  Hi,
>
>  I am encountering a problem using streamtrack with a large number of
> streamlines. The .tck file is saved to disk without error, but files with
> over ~2.36 million streamlines are all 4.29 GB on disk, meaning the extra
> streamlines were not saved.The files all had 357,916,000 coordinates
> (1,073,748,000 numbers of 4 bytes each = 4.29GB) including a Inf triplet
> repeat signalling the end of the file. Do you have any idea what could be
> causing this limit?
>
>  Many Thanks,
> Chris
>
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