DEV: try switching int16 and reorient
DEV: try switching int16 and reorient

Former-commit-id: f3631565b78d427f1f155ce3731982acb91080bf
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox