Hi,
I would first check whether a) all the registrations succeeded (check
the registration part of the FEAT web page report) and then b) whether
the thresholded z maps actually contain any supra-threshold voxels.
Cheers.
On 6 Jul 2009, at 23:54, Trish Pruis wrote:
> Subject: renderhighres
> From: Veena Narayan <[log in to unmask]>
> Reply-To: FSL - FMRIB's Software Library <[log in to unmask]>
> Date: Mon, 7 Apr 2008 03:15:09 +0100
> Content-Type: text/plain
> Parts/Attachments:
> Parts/Attachments
>
> text/plain (21 lines)
>
> Hi,
>
> I have just had the exact same error that this person had (see
> below). I
> have an empty mask.nii.gz and one red rendered file (out of 5- the
> other 4
> look normal). I was wondering what was done to resolve this issue?
>
> Thanks!
> Trish
>
>
>
>
> hi, i'm trying to render my func data so it can be overlaid onto my
> high
> resolution structural image. it seemed to have worked for one
> contrast
> (based on what was outputted into my hr directory) but then in the
> terminal
> from where i launched the renderhighres_gui, i got a bunch of error
> messages
> that read: ERROR:: Empty mask image.
>
> when i overlay all but one of the hr/rendered_*.nii.gz onto my
> hr/background.nii.gz everything turns RED?
>
>
> the mask in the hr directory, masknz.nii.gz, when viewed in fslview
> is empty
> but it does have a file size of 751?
>
> also, the mask in my feat directory, mask.nii.gz looks like a normal
> mask in
> fslview, but here too, the masknz.nii.gz seems to be empty.
>
> any thoughts? could it be my threshold is too high? but in my feat
> report
> there are voxels that survive thresholding...
>
> thanks!
> veena
>
---------------------------------------------------------------------------
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
---------------------------------------------------------------------------
|