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Hi,

fslmeants is probably more suitable if you use it with the --showall
option, as it also gives you voxel coordinates.  The output has
four rows: x coord; y coord; z coord; intensity
and as many columns as values you are looking up.

You can also specify a mask (or a single voxel coordinate) and it will
only do voxels in the mask.

All the best,
	Mark



On 12 Jan 2009, at 15:31, Silviu Podariu wrote:

> Hello,
>
> I see that dtifit outputs some standard 3D images containing the
> direction
> vector, FA and MD data. Suppose, instead of viewing them as such, I
> wish to
> extract their numerical values at each of a certain group of voxels.
> I was
> wondering what the options for getting that would be.
>
> I see, for instance that the fsl2ascii utility would return an ASCII
> file
> with these voxel values, but, if this is what I neede to use, is there
> somewhere on the web some info to specify in which order the 3D data
> matrix
> is written to the text file? Also, would another tool possibly be more
> suitable for this task?
>
> Thank you very much,
> Silviu Podariu
> UNMC
> Omaha, NE
>