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Hi - see fslmaths.
Cheers.


On 13 Aug 2009, at 09:03, Lützkendorf, Ralf wrote:

> Hello,
>
> is there a way to average datasets with fsl command line?
> To average anatomic or diffusion datasets.
> Is there the possibility to use fslmean in a way?
>
> greetzs and thanks,
>
> Ralf
>
>
>
> +++++++++++++++++++++++++++++++++++++++++++++++
> Ralf Lützkendorf
> Department for Biometry and Medical Informatics
> University of Magdeburg, Germany
> phone: +49 391 67 13546
> fax: +49 391 67 13536
>
> IMPORTANT LINKS:
> Newsworthy:
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>
> http://whales.greenpeace.org/global
>
> Permanent:
> http://www.sharkproject.org/
> http://www.bergwaldprojekt.de/
> http://www.greenpeace.de/
> http://www.seashepherd.org/
> http://www.wdcs-de.org/
> http://www.we-feed-the-world.at/
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: FSL - FMRIB's Software Library im Auftrag von Dave Flitney
> Gesendet: Mi 12.08.2009 10:51
> An: [log in to unmask]
> Betreff: Re: [FSL] ideal setup for FSL or any brain analysis program
>
> Just a word of warning about SGE on desktops. I wanted to point out  
> that FSL, as it stands, isn't a good fit to this kind of cluster.
>
> This is because FSL scripts and programs generally can't handle  
> becoming rescheduled subtasks when, for instance, their original  
> node are rebooted. SGE will normally resubmit these but FSL code  
> doesn't necessarily do the right thing. In most cases the entire  
> feat/gfeat, etc., needs to be rerun. With a dedicated cluster this  
> isn't such a problem but with desktop machines they're just too  
> vulnerable to unpredictable rebooting.
>
> In the future, if/when FSL scripts and programs are a little better  
> behaved then this will change. But, for now, you probably need a  
> dedicated cluster to use FSL/SGE successfully. Can't speak for other  
> tools; they may well work properly on desktop SGE clusters.
>
> Dave
> ------Original Message------
> From: Andrew Janke
> Sender: FSL - FMRIB's Software Library
> To: [log in to unmask]
> ReplyTo: FSL - FMRIB's Software Library
> Subject: Re: [FSL] ideal setup for FSL or any brain analysis program
> Sent: 12 Aug 2009 08:48
>
> To me this comes down to how much you have wed Microsoft with your
> research. If you can use OpenOffice (we do and the world hasn't
> imploded yet) then I would suggest a linux (Ubuntu?) set of desktop
> machine with quad cores.  Then via SGE you can make use of the spare
> CPU cycles at night and during the day.
>
> If you are wholly wed to MS Office and friends then you have two
> choices. 1. Get Macs as they can do both. [1] 2. Get linux desktop
> machines and buy a few laptops for the MS pilgrims to write their
> papers on and send those all important emails that make the world go
> round :)
>
> The only problem with going Mac + Linux fileserver will mean that you
> will need two types of sysadmin expertise in your department.
>
>
>
> --
> Andrew Janke
> ([log in to unmask] || http://a.janke.googlepages.com/)
> Canberra->Australia    +61 (402) 700 883
>
>
> [1] arguably linux can run MS Office via CrossOver Office but I can't
> speak for or against this as I haven't used it.
>
>
> On Wed, Aug 12, 2009 at 17:39, Steve Smith<[log in to unmask]>  
> wrote:
>>  In FMRIB we use iMacs almost exclusively for desktops, even though  
>> they are
>> probably a little more expensive, because it is so convenient to  
>> have Unix
>> (FSL, matlab, etc.) and MS-Office tools all runnable directly on your
>> desktop
>
>
>
> Sent using BlackBerry® from Orange
>


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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director,  Oxford University FMRIB Centre

FMRIB, JR Hospital, Headington, Oxford  OX3 9DU, UK
+44 (0) 1865 222726  (fax 222717)
[log in to unmask]    http://www.fmrib.ox.ac.uk/~steve
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