Ejemplo n.º 1
0
def estimate_structure():
    """
    CLI for estimating PVs from a single surface
    """

    parser = CommonParser(
        'ref',
        'struct2ref',
        'flirt',
        'struct',
        'super',
        'out',
        'surf',
        'coords',
        description="Estimate PVs for a structure defined by a single surface."
    )
    kwargs = vars(parser.parse_args())

    ext = '.nii.gz'
    if not kwargs.get('out'):
        namebase = op.splitext(utils._splitExts(kwargs['ref'])[0])[0]
        sname = op.splitext(utils._splitExts(kwargs['surf'])[0])[0]
        outdir = op.dirname(kwargs['ref'])
        kwargs['out'] = op.join(outdir, '%s_%s_pvs%s' % (namebase, sname, ext))
    else:
        if not kwargs['out'].endswith(ext):
            kwargs['out'] += ext

    # Estimate
    PVs = pvestimation.structure(**kwargs)

    # Output
    print('Saving output at', kwargs['out'])
    refSpace = ImageSpace(kwargs['ref'])
    refSpace.save_image(PVs, kwargs['out'])
Ejemplo n.º 2
0
def estimate_cortex():
    """
    CLI for estimating PVs from cortex (either L,R, or both)
    """

    parser = CommonParser(
        'ref',
        'struct2ref',
        'fsdir',
        'LPS',
        'RPS',
        'RWS',
        'LWS',
        'flirt',
        'struct',
        'cores',
        'out',
        'ones',
        'super',
        description="Estimate PVs for L/R cortical hemispheres")
    kwargs = vars(parser.parse_args())

    # Estimation
    PVs = pvestimation.cortex(**kwargs)

    # Output
    ext = '.nii.gz'
    if not kwargs.get('out'):
        namebase = op.splitext(utils._splitExts(kwargs['ref'])[0])[0]
        outdir = op.join(op.dirname(kwargs['ref']), namebase + '_cortexpvs')
    else:
        outdir = kwargs['out']

    utils._weak_mkdir(outdir)
    refSpace = ImageSpace(kwargs['ref'])

    print('Saving output at', outdir)
    p = op.join(outdir, 'stacked' + ext)
    refSpace.save_image(PVs, p)
    for i, t in enumerate(['GM', 'WM', 'nonbrain']):
        p = op.join(outdir, t + ext)
        refSpace.save_image(PVs[:, :, :, i], p)
Ejemplo n.º 3
0
def estimate_complete():
    """
    CLI for estimating PVs for L/R cortex and subcortex
    """

    parser = CommonParser(
        'ref',
        'struct2ref',
        'fslanat',
        'fsdir',
        'firstdir',
        'fastdir',
        'LPS',
        'LWS',
        'RPS',
        'RWS',
        'ones',
        'super',
        'cores',
        'out',
        'flirt',
        'struct',
        description=(
            "Estimate PVs for cortex and all structures identified "
            "by FIRST within a reference image space. Use FAST to fill in "
            "non-surface PVs"))

    kwargs = vars(parser.parse_args())

    # Unless we have been given prepared fslanat dir, we will provide the path
    # to the next function to create one
    if type(kwargs.get('fslanat')) is str:
        if not op.isdir(kwargs.get('fslanat')):
            raise RuntimeError("fslanat dir %s does not exist" %
                               kwargs['fslanat'])
    else:
        if not all([(('fastdir' in kwargs) and ('firstdir' in kwargs)),
                    (('LPS' in kwargs) and ('RPS' in kwargs))]):
            raise RuntimeError(
                "Either separate -firstdir and -fastdir" +
                " must be provided, or an -fslanat dir must be provided")

    output = pvestimation.complete(**kwargs)

    # Output paths. If given -out then use that as output, otherwise
    # save alongside reference image
    ext = '.nii.gz'
    if not kwargs.get('out'):
        namebase = op.splitext(utils._splitExts(kwargs['ref'])[0])[0]
        outdir = op.join(op.dirname(kwargs['ref']), namebase + '_surfpvs')
    else:
        outdir = kwargs['out']

    # Make output dirs if they do not exist.
    intermediatedir = op.join(outdir, 'intermediate_pvs')
    utils._weak_mkdir(outdir)
    utils._weak_mkdir(intermediatedir)

    # Load the reference image space and save the various outputs.
    # 'stacked' goes in the outdir, all others go in outdir/intermediate
    refSpace = ImageSpace(kwargs['ref'])
    print('Saving output at', outdir)
    for k, o in output.items():
        if k in ['stacked', 'GM', 'WM', 'nonbrain']:
            path = op.join(outdir, k + ext)
        else:
            path = op.join(intermediatedir, k + ext)
        refSpace.save_image(o, path)