Sorry for taking awhile to get back to you on this. So I tried print repr(fds) before and after hdf5 save/load. The text file comparer revealed a difference for a first line:
before: Dataset(memmap([[ 3.19004774e-01, -2.48533797e+00, 1.55277145e+00, after: Dataset(array([[ 3.19004774e-01, -2.48533797e+00, 1.55277145e+00, and also the last line: before: Collectable(name='voxel_eldim', doc=None, value=(3.0, 3.0, 3.0)), Collectable(name='voxel_dim', doc=None, value=(53, 80, 80)), Collectable(name='imghdr', doc=None, value=<nibabel.nifti1.Nifti1Header object at 0x5d83510>)])) after: Collectable(name='imghdr', doc=None, value=<nibabel.nifti1.Nifti1Header object at 0x7c79ed0>), Collectable(name='voxel_dim', doc=None, value=(53, 80, 80)), Collectable(name='voxel_eldim', doc=None, value=(3.0, 3.0, 3.0))])) --- another interesting thing to check -- on that non-working system with > default python 2.7, most porbably 2.6 is also supported so you could try > running non-working (i.e. without this save/reload trick) script with > python2.6 -- would it work? > I earlier tried installing python 2.6 on that system. I used pythonbrew so that I could have concurrent versions of 2.7 and 2.6. The problem is when i use the ubuntu binaries for pymvpa installation it still assumes that I'm on 2.7, so when I run python 2.6 it cannot detect pymvpa. I didn't try to install from source and am not sure how to yet, but if you'd like I can try that. I'm hoping that you figure out what's going wrong from looking at the above print repr(fds) though :) also, sample .nii files coming your way thanks!
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