Hi - avwmerge is not happy merging images of different datatypes,
which may be the case here - you should try avwmerge++ (which will
become the default in the next release), which should solve the problem?
Cheers.
On 26 Mar 2007, at 23:20, Blaine Ames wrote:
> Hello all,
> we are trying to run ICA on merged data. After searching the FSL
> email list
> we decided to apply a transformation matrix on a subject-by-subject
> basis to
> the 4D data sets in order to place the images in standard space,
> and then
> concatenate them.
>
> Once the images have been transformed we are running into problems
> using
> avwmerge to concatenate the images for ICA analysis. Essentially,
> after
> merging the images the hdr is unreadable.
>
> Interestingly, when we use avwmerge on the pre-transformed data it
> works
> fine but once it is tranformed into standard space avwmerge seems
> to be
> unsuccessful.
>
> We have investigated all header and image completeness and can not
> understand why avwmerge will not function on images in standard space.
>
> We appreciate any suggestions. Thanks, Blaine
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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)
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