Hi Everybody,

I noticed a strange inconsistency with the Data Axes Tilt information in 3dinfo. When I overlay my functional scans on top of my anatomical, the two are pretty clearly out of alignment. But when I do 3dinfo on each of them, they both say that the Data Axes Tilt is "Oblique (0.728 deg. from plumb)." Then I run 3dWarp -card2oblique (as described here: [afni.nimh.nih.gov]) on the anatomical, and the alignment between the anatomical and the functionals is perfect. But then the Data Axes Tilt on the anatomical is listed a "Plumb."

So it appears that 3dinfo doesn't know that the anatomical was originally in acquired in the cardinal plane. I would expect that the Data Axes Tilt would initially be listed as Plumb for the anatomical, then would change to "Oblique (0.728 deg. from plumb)" once I ran 3dWarp -card2oblique.

I just want to make sure that this is a 3dinfo problem and not a problem with my understanding of the orientation that each of my scans are in. As long as they are in the same orientation, and appear to be well-aligned, then it doesn't matter what 3dinfo says, right?

-Joe