[MINC-development] Can anyone help me with four-dimensional datasets

[Mark GRIFFIN]

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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