[MINC-development] Can anyone help me with four-dimensional
datasets
Mark GRIFFIN
minc-development@bic.mni.mcgill.ca
Mon, 28 Apr 2003 15:09:54 -0400
Hi John,
Thanks for this. I'll look into it.
Mark
On Fri, 25 Apr 2003, John G. Sled wrote:
>
>
> MINC dimensions can be regularly sampled (defined in terms of start and
> step) or irregularly sampled (the file contains an array specifying
> each offset. It appears your volume is the latter. As a work around,
> you can set the start and step manually eg.
>
> minc_modify_header -dinsert 'time:step=3' temp.mnc
> minc_modify_header -dinsert 'time:start=10' temp.mnc
>
> John
>
>
> On Thu, Apr 24, 2003 at 11:46:49AM -0400, Mark GRIFFIN wrote:
> > I'm trying to create a four-dimensional dataset to store fMRI data and get
> > the following results for mincinfo on my minc file
> >
> > shadow:minc_create_data$ mincinfo temp.mnc
> > file: temp.mnc
> > image: signed__ short 0 to 19
> > image dimensions: time zspace yspace xspace
> > dimension name length step start
> > -------------- ------ ---- -----
> > time 2 unknown unknown
> > zspace 19 5.5 0
> > yspace 256 1 0
> > xspace 256 1 0
> >
> >
> > The dimension names are set as the variables MItime for example. But I
> > can't understand why I get the time step and start as unknown, also I
> > don't know why I can't set the start to be non-zero.
> >
> >
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