Hi Georgina,
Yes, unfortunately the FSLeyes option will currently only resample the
current volume of a 4D image. I'll change this for the next release.
In the meantime, you can go with Matthew's suggestion.
Cheers,
Paul
On 28/11/2018, Georgina Carts <[log in to unmask]> wrote:
> Hi Paul,
>
> Thanks for your reply. I tried to do this in FSLeyes as you suggested.
>
> When I tried to resample my data which are 4D as I mentioned earlier I
> downsampled the x- and y-dimensions only. The z-dimension was the same after
> respampling but the 4th dimension dissapeared. So basically my data from 4D
> became 3D. Does this work only for 3D data?
>
> Thank you for your help,
> Gina
>
> Sent: Tuesday, November 27, 2018 at 4:41 PM
> From: "paul mccarthy" <[log in to unmask]>
> To: [log in to unmask]
> Subject: Re: [FSL] Resize specific dimensions of Nifty files
> Hi Gina,
>
> You can also do this from within FSLeyes, via the "Tools -> Resample
> image" menu option.
>
> Cheers,
>
> Paul
>
> On Tue, 27 Nov 2018 at 16:31, Matthew Webster
> <[log in to unmask]> wrote:
>>
>> Hello Gina,
>> You can use fslcreatehd to create a 3D reference of the desired
>> dimensions and use that along with the -applyxfm -init options ( passing
>> an identity matrix to the -init option ) to resample in a more flexible
>> manner.
>>
>> Hope this helps,
>> Kind Regards
>> Matthew
>> --------------------------------
>> Dr Matthew Webster
>> FMRIB Centre
>> John Radcliffe Hospital
>> University of Oxford
>>
>>> On 27 Nov 2018, at 16:05, Georgina Carts <[log in to unmask]> wrote:
>>>
>>> Hi there,
>>>
>>> I have 4D data with dimensions [516, 516, 75, 99]. I would like to
>>> downsample my image to [128, 128, 75, 99], i.e. downsample x- and
>>> y-dimensions only.
>>>
>>> I tried the flirt tool using -applyisoxfm but it downsampled x, y and z
>>> directions.
>>>
>>> Does anyone know how to downsampled only x- and y-?
>>>
>>> Thanks a lot,
>>> Gina
>>>
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>>
>>
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