def _build_arg_parser():
p = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_fODF',
help='Path of the fODF volume in spherical harmonics (SH).')
p.add_argument('--sphere', metavar='string', default='repulsion724',
choices=['repulsion100', 'repulsion724'],
help='Discrete sphere to use in the processing '
'[%(default)s].')
p.add_argument('--mask', metavar='',
help='Path to a binary mask. Only the data inside the mask\n'
'will beused for computations and reconstruction '
'[%(default)s].')
p.add_argument('--at', dest='a_threshold', type=float, default='0.0',
help='Absolute threshold on fODF amplitude. This '
'value should be set to\napproximately 1.5 to 2 times '
'the maximum fODF amplitude in isotropic voxels\n'
'(ie. ventricles).\nUse compute_fodf_max_in_ventricles.py '
'to find the maximal value.\n'
'See [Dell\'Acqua et al HBM 2013] [%(default)s].')
p.add_argument('--rt', dest='r_threshold', type=float, default='0.1',
help='Relative threshold on fODF amplitude in percentage '
'[%(default)s].')
add_sh_basis_args(p)
add_overwrite_arg(p)
add_processes_arg(p)
p.add_argument('--not_all', action='store_true',
help='If set, only saves the files specified using the '
'file flags [%(default)s].')
g = p.add_argument_group(title='File flags')
g.add_argument('--afd_max', metavar='file', default='',
help='Output filename for the AFD_max map.')
g.add_argument('--afd_total', metavar='file', default='',
help='Output filename for the AFD_total map (SH coeff = 0).')
g.add_argument('--afd_sum', metavar='file', default='',
help='Output filename for the sum of all peak contributions\n'
'(sum of fODF lobes on the sphere).')
g.add_argument('--nufo', metavar='file', default='',
help='Output filename for the NuFO map.')
g.add_argument('--rgb', metavar='file', default='',
help='Output filename for the RGB map.')
g.add_argument('--peaks', metavar='file', default='',
help='Output filename for the extracted peaks.')
g.add_argument('--peak_values', metavar='file', default='',
help='Output filename for the extracted peaks values.')
g.add_argument('--peak_indices', metavar='file', default='',
help='Output filename for the generated peaks indices on '
'the sphere.')
return p
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_dwi',
help='input DWI Nifti image')
p.add_argument('in_bvals',
help='b-values file in FSL format')
p.add_argument('in_bvecs',
help='b-vectors file in FSL format')
p.add_argument('in_reverse_b0',
help='b0 image with reversed phase encoding.')
p.add_argument('--config', default='b02b0.cnf',
help='topup config file [%(default)s].')
p.add_argument('--b0_thr', type=float, default=20,
help='All b-values with values less than or equal ' +
'to b0_thr are considered as b0s i.e. without ' +
'diffusion weighting')
p.add_argument('--encoding_direction', default='y',
choices=['x', 'y', 'z'],
help='acquisition direction, default is AP-PA '
'[%(default)s].')
p.add_argument('--readout', type=float, default=0.062,
help='total readout time from the DICOM metadata '
'[%(default)s].')
p.add_argument('--out_b0s', default='fused_b0s.nii.gz',
help='output fused b0 file [%(default)s].')
p.add_argument('--out_directory', default='.',
help='output directory for topup files [%(default)s].')
p.add_argument('--out_prefix', default='topup_results',
help='prefix of the topup results [%(default)s].')
p.add_argument('--out_script', action='store_true',
help='if set, will output a .sh script (topup.sh).\n' +
'else, will output the lines to the ' +
'terminal [%(default)s].')
add_overwrite_arg(p)
add_verbose_arg(p)
return p
def build_args_parser():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawTextHelpFormatter, description=DESCRIPTION)
parser.add_argument('dwi', help='The DW image file to split.')
parser.add_argument('bvals', help='The b-values in FSL format.')
parser.add_argument('bvecs', help='The b-vectors in FSL format.')
parser.add_argument('bvals_to_extract',
nargs='+',
metavar='bvals-to-extract',
type=int,
help='The list of b-values to extract. For example '
'0 2000.')
parser.add_argument('output_dwi', help='The name of the output DWI file.')
parser.add_argument('output_bvals',
help='The name of the output b-values.')
parser.add_argument('output_bvecs',
help='The name of the output b-vectors')
parser.add_argument('--block-size',
'-s',
metavar='INT',
type=int,
help='Loads the data using this block size. '
'Useful\nwhen the data is too large to be '
'loaded in memory.')
parser.add_argument('--tolerance',
'-t',
metavar='INT',
type=int,
default=20,
help='The tolerated gap between the b-values to '
'extract\nand the actual b-values.')
parser.add_argument('--verbose',
'-v',
action='store_true',
dest='verbose',
help='Produce verbose output.')
add_overwrite_arg(parser)
return parser
def _build_args_parser():
p = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description=DESCRIPTION)
p.add_argument(
'scheme_file',
action='store',
metavar='scheme_file',
help='Sampling scheme filename. (only accepts .txt or .caru or '
'.bvecs and .bvals or .b or .dir or .dvs)')
p.add_argument('--dis-sym',
action='store_false',
dest='enable_sym',
help='Disable antipodal symmetry.')
p.add_argument('--out',
help='Output file name picture without extension ' +
'(will be png file(s))')
p.add_argument('--res',
type=int,
default=(300, 300),
nargs='+',
help='Resolution of the output picture(s)')
g1 = p.add_argument_group(title='Enable/Disable renderings')
g1.add_argument('--dis-sphere',
action='store_false',
dest='enable_sph',
help='Disable the rendering of the sphere.')
g1.add_argument('--dis-proj',
action='store_false',
dest='enable_proj',
help='Disable rendering of the projection supershell.')
g1.add_argument('--plot-shells',
action='store_true',
dest='plot_shells',
help='Enable rendering each shell individually.')
g2 = p.add_argument_group(title='Rendering options')
g2.add_argument('--same-color',
action='store_true',
dest='same_color',
help='Use same color for all shell.')
g2.add_argument('--opacity',
type=float,
default=1.0,
help='Opacity for the shells.')
add_overwrite_arg(p)
return p
def _build_args_parser():
p = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
description=DESCRIPTION)
p.add_argument('fsl_bval', help='path to FSL b-value file.')
p.add_argument('fsl_bvec', help='path to FSL gradient directions file.')
p.add_argument('mrtrix_enc',
help='path to gradient directions encoding file.')
add_overwrite_arg(p)
return p
def _build_arg_parser():
parser = argparse.ArgumentParser(
description='Projects metrics onto the endpoints of streamlines. The '
'idea is to visualize the cortical areas affected by '
'metrics (assuming streamlines start/end in the cortex).',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('bundle', help='Fiber bundle file')
parser.add_argument('metrics',
nargs='+',
help='Nifti metric(s) to compute statistics on')
parser.add_argument('output_folder',
help='Folder where to save endpoints metric')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
parser = argparse.ArgumentParser(
description='Plot mean/std per point',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('meanstdperpoint',
help='JSON file containing the mean/std per point')
parser.add_argument('output', help='Output directory')
parser.add_argument(
'--fill_color',
help='Hexadecimal RGB color filling the region between mean ± std. '
'The hexadecimal RGB color should be formatted as 0xRRGGBB')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_dwi', help='Input dwi file.')
p.add_argument('in_bvec', help='Input bvec FSL format.')
p.add_argument('in_bval', help='Input bval FSL format.')
p.add_argument('in_table', help='original table - first line is skipped.')
p.add_argument('out_basename', help='Basename output file.')
add_overwrite_arg(p)
add_verbose_arg(p)
return p
def _build_arg_parser():
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('map_include', help='PFT map include.')
parser.add_argument('map_exclude', help='PFT map exclude.')
parser.add_argument('additional_mask',
help='Allow PFT tracking in this mask.')
parser.add_argument('map_include_corr',
help='Corrected PFT map include output file name.')
parser.add_argument('map_exclude_corr',
help='Corrected PFT map exclude output file name.')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_hdf5',
help='HDF5 filename (.h5) containing decomposed '
'connections.')
p.add_argument('out_dir', help='Path of the output directory.')
p.add_argument('--include_dps',
action='store_true',
help='Include the data_per_streamline the metadata.')
add_overwrite_arg(p)
return p
def _build_args_parser():
p = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_tractogram',
help='Path of the input tractogram file (trk or tck).')
p.add_argument('out_tractogram',
help='Path of the output tractogram file (trk or tck).')
p.add_argument('-e', dest='error_rate', type=float, default=0.1,
help='Maximum compression distance in mm. '
'[default: %(default)s]')
add_overwrite_arg(p)
return p
def _build_args_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('input',
action='store',
metavar='in_vol',
type=str,
help='Path of the input volume.')
p.add_argument('output',
action='store',
metavar='out_vol',
type=str,
help='Path of the resampled volume.')
res_group = p.add_mutually_exclusive_group(required=True)
res_group.add_argument('--ref',
action='store',
metavar='ref_vol',
help='Reference volume to resample to.')
res_group.add_argument(
'--resolution',
action='store',
metavar='float',
type=float,
help='Resolution to resample to. If the value it is set to is Y, it '
'will resample to an isotropic resolution of Y x Y x Y.')
res_group.add_argument(
'--iso_min',
action='store_true',
help='Resample the volume to R x R x R with R being the smallest '
'current voxel dimension ')
p.add_argument(
'--interp',
action='store',
default='lin',
type=str,
choices=['nn', 'lin', 'quad', 'cubic'],
help="Interpolation mode.\nnn: nearest neighbour\nlin: linear\n"
"quad: quadratic\ncubic: cubic\nDefaults to linear")
p.add_argument('--enforce_dimensions',
action='store_true',
help='Enforce the reference volume dimension.')
add_overwrite_arg(p)
p.add_argument('-v',
action='store_true',
dest='verbose',
help='Use verbose output. Default: false.')
return p
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_volume',
help='Volume used as background (e.g. T1, FA, b0).')
p.add_argument('in_bundles',
nargs='+',
help='List of tractography files supported by nibabel '
'or binary mask files.')
p.add_argument('out_image',
help='Name of the output image mosaic '
'(e.g. mosaic.jpg, mosaic.png).')
p.add_argument('--uniform_coloring',
nargs=3,
metavar=('R', 'G', 'B'),
type=float,
help='Assign an uniform color to streamlines (or ROIs).')
p.add_argument('--random_coloring',
metavar='SEED',
type=int,
help='Assign a random color to streamlines (or ROIs).')
p.add_argument('--zoom',
type=float,
default=1.0,
help='Rendering zoom. '
'A value greater than 1 is a zoom-in,\n'
'a value less than 1 is a zoom-out [%(default)s].')
p.add_argument('--ttf',
default=None,
help='Path of the true type font to use for legends.')
p.add_argument('--ttf_size',
type=int,
default=35,
help='Font size (int) to use for the legends '
'[%(default)s].')
p.add_argument('--opacity_background',
type=float,
default=0.4,
help='Opacity of background image, between 0 and 1.0 '
'[%(default)s].')
p.add_argument('--resolution_of_thumbnails',
type=int,
default=300,
help='Resolution of thumbnails used in mosaic '
'[%(default)s].')
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
description=__doc__)
p.add_argument('input', help='Path of the input volume (nifti).')
p.add_argument('output', help='Path of the output volume (nifti).')
p.add_argument('axes',
metavar='dimension',
choices=['x', 'y', 'z'],
nargs='+',
help='The axes you want to flip. eg: to flip the x '
'and y axes use: x y.')
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
description=__doc__)
p.add_argument('mrtrix_enc',
help='Path to the gradient directions encoding file. (.b)')
p.add_argument('fsl_bval', help='Path to output FSL b-value file (.bval).')
p.add_argument('fsl_bvec',
help='Path to output FSL gradient directions file (.bvec).')
add_overwrite_arg(p)
add_verbose_arg(p)
return p
def _build_arg_parser():
parser = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('in_bundle',
help='Fiber bundle file to remove outliers from.')
parser.add_argument('out_bundle', help='Fiber bundle without outliers.')
parser.add_argument('--remaining_bundle', help='Removed outliers.')
parser.add_argument('--alpha',
type=float,
default=0.6,
help='Percent of the length of the tree that clusters '
'of individual streamlines will be pruned.')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
p = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('voxel_label_map',
help='Fiber bundle file.')
p.add_argument('bundle_name',
help='Bundle name.')
add_json_args(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description=__doc__)
p.add_argument(
'gradient_sampling_file',
metavar='gradient_sampling_file',
nargs='+',
help='Gradient sampling filename. (only accepts .bvec and .bval '
'together or only .b).')
p.add_argument('--dis-sym',
action='store_false',
dest='enable_sym',
help='Disable antipodal symmetry.')
p.add_argument('--out_basename',
help='Output file name picture without extension ' +
'(will be png file(s)).')
p.add_argument('--res',
type=int,
default=300,
help='Resolution of the output picture(s).')
g1 = p.add_argument_group(title='Enable/Disable renderings.')
g1.add_argument('--dis-sphere',
action='store_false',
dest='enable_sph',
help='Disable the rendering of the sphere.')
g1.add_argument('--dis-proj',
action='store_false',
dest='enable_proj',
help='Disable rendering of the projection supershell.')
g1.add_argument('--plot_shells',
action='store_true',
help='Enable rendering each shell individually.')
g2 = p.add_argument_group(title='Rendering options.')
g2.add_argument('--same-color',
action='store_true',
dest='same_color',
help='Use same color for all shell.')
g2.add_argument('--opacity',
type=float,
default=1.0,
help='Opacity for the shells.')
add_overwrite_arg(p)
add_verbose_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(
formatter_class=argparse.RawTextHelpFormatter,
description=__doc__,
)
p.add_argument('in_matrix',
help='Input connectivity matrix. This is typically a '
'streamline_count matrix (.npy).')
p.add_argument('out_matrix', help='Output normalized matrix (.npy).')
edge_p = p.add_argument_group('Edge-wise options')
length = edge_p.add_mutually_exclusive_group()
length.add_argument('--length',
metavar='LENGTH_MATRIX',
help='Length matrix used for '
'edge-wise multiplication.')
length.add_argument('--inverse_length',
metavar='LENGTH_MATRIX',
help='Length matrix used for edge-wise division.')
edge_p.add_argument('--bundle_volume',
metavar='VOLUME_MATRIX',
help='Volume matrix used for edge-wise division.')
vol = edge_p.add_mutually_exclusive_group()
vol.add_argument('--parcel_volume',
nargs=2,
metavar=('ATLAS', 'LABELS_LIST'),
help='Atlas and labels list for edge-wise division.')
vol.add_argument('--parcel_surface',
nargs=2,
metavar=('ATLAS', 'LABELS_LIST'),
help='Atlas and labels list for edge-wise division.')
scaling_p = p.add_argument_group('Scaling options')
scale = scaling_p.add_mutually_exclusive_group()
scale.add_argument('--max_at_one',
action='store_true',
help='Scale matrix with maximum value at one.')
scale.add_argument('--sum_to_one',
action='store_true',
help='Scale matrix with sum of all elements at one.')
scale.add_argument('--log_10',
action='store_true',
help='Apply a base 10 logarithm to the matrix.')
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_sh', help='Path of the SH volume.')
p.add_argument('out_sf',
help='Name of the output SF file to save (bvals/bvecs will '
'be automatically named when necessary).')
# Sphere vs bvecs choice for SF
directions = p.add_mutually_exclusive_group(required=True)
directions.add_argument('--sphere',
choices=sorted(SPHERE_FILES.keys()),
help='Sphere used for the SH to SF projection. ')
directions.add_argument(
'--in_bvec', help="Directions used for the SH to SF projection.")
p.add_argument('--dtype',
default="float32",
choices=["float32", "float64"],
help="Datatype to use for SF computation and output array."
"'[%(default)s]'")
# Optional args for a DWI-like volume
p.add_argument('--in_bval',
help='b-value file, in FSL format, '
'used to assign a b-value to the '
'output SF and generate a `.bval` file.')
p.add_argument('--in_b0',
help='b0 volume to concatenate to the '
'final SF volume.')
p.add_argument('--out_bval', help="Optional output bval file.")
p.add_argument('--out_bvec', help="Optional output bvec file.")
p.add_argument('--b0_scaling',
action="store_true",
help="Scale resulting SF by the b0 image.")
add_sh_basis_args(p)
p.add_argument('--full_basis',
action="store_true",
help="If true, use a full basis for the input SH "
"coefficients.")
add_processes_arg(p)
add_overwrite_arg(p)
add_force_b0_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(
formatter_class=argparse.RawTextHelpFormatter,
description=__doc__,
epilog="""Garyfallidis, E., Côté, M. A., Rheault, F., ... &
Descoteaux, M. (2018). Recognition of white matter
bundles using local and global streamline-based registration and
clustering. NeuroImage, 170, 283-295.""")
p.add_argument('in_tractogram',
help='Input tractogram filename (trk or tck).')
p.add_argument('in_model',
help='Model to use for recognition (trk or tck).')
p.add_argument('transformation',
help='Path for the transformation to model space.')
p.add_argument('output_name',
help='Output tractogram filename.')
p.add_argument('--tractogram_clustering_thr', type=float, default=8,
help='Clustering threshold used for the whole brain '
'[%(default)smm].')
p.add_argument('--model_clustering_thr', type=float, default=4,
help='Clustering threshold used for the model '
'[%(default)smm].')
p.add_argument('--pruning_thr', type=float, default=6,
help='MDF threshold used for final streamlines selection '
'[%(default)smm].')
p.add_argument('--slr_threads', type=int, default=None,
help='Number of threads for SLR [all].')
p.add_argument('--seed', type=int, default=None,
help='Random number generator seed [%(default)s].')
p.add_argument('--inverse', action='store_true',
help='Use the inverse transformation.')
p.add_argument('--no_empty', action='store_true',
help='Do not write file if there is no streamline.')
group = p.add_mutually_exclusive_group()
group.add_argument('--input_pickle',
help='Input pickle clusters map file.\n'
'Will override the tractogram_clustering_thr parameter.')
group.add_argument('--output_pickle',
help='Output pickle clusters map file.')
add_reference_arg(p)
add_verbose_arg(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
description=__doc__)
p.add_argument('in_tractogram', help='Input tractography file.')
p.add_argument('out_tractogram', help='Output tractography file.')
p.add_argument('--seed',
type=int,
default=None,
help='Random number generator seed [%(default)s].')
add_reference_arg(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_bundle',
help='Fiber bundle file.')
p.add_argument('in_metrics', nargs='+',
help='Nifti metric(s) to compute statistics on.')
p.add_argument('out_folder',
help='Folder where to save endpoints metric.')
add_reference_arg(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
parser = argparse.ArgumentParser(
description='Compute bundle volume per label',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('voxel_label_map', help='Fiber bundle file')
parser.add_argument('bundle_name', help='Bundle name')
parser.add_argument('--indent',
type=int,
default=2,
help='Indent for json pretty print')
parser.add_argument('--sort_keys',
action='store_true',
help='Sort keys in output json')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
p = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
p.add_argument('in_bundle', help='Fiber bundle file.')
p.add_argument('out_centroid', help='Output centroid streamline filename.')
p.add_argument('--nb_points',
type=int,
default=20,
help='Number of points defining the centroid streamline.')
add_reference_arg(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
description=__doc__)
p.add_argument('in_matrix',
help='Binary matrix in numpy (.npy) format.\n'
'Typically from scil_filter_connectivity.py')
p.add_argument('labels_list',
help='List saved by the decomposition script.')
p.add_argument('out_txt',
help='Output text file containing all filenames.')
add_overwrite_arg(p)
return p
def _build_arg_parser():
parser = argparse.ArgumentParser(
description='Outlier removal of streamlines',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('bundle',
help='Fiber bundle file to remove outliers from')
parser.add_argument(
'filtered_bundle', help='Fiber bundle without outliers')
parser.add_argument('outliers', help='Removed outliers')
parser.add_argument(
'--alpha', type=float, default=0.6,
help='Percent of the length of the tree that clusters of individual '
'streamlines will be pruned')
add_overwrite_arg(parser)
return parser
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('frf_files',
metavar='list',
nargs='+',
help='List of FRF filepaths.')
p.add_argument('mean_frf',
metavar='file',
help='Path of the output mean FRF file.')
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_hdf5', nargs='+',
help='List of HDF5 filenames (.h5) from '
'scil_decompose_connectivity.py.')
p.add_argument('out_dir',
help='Path of the output directory.')
p.add_argument('--binary', action='store_true',
help='Binarize density maps before the population average.')
add_processes_arg(p)
add_overwrite_arg(p)
return p
def _build_arg_parser():
p = argparse.ArgumentParser(description=__doc__,
formatter_class=argparse.RawTextHelpFormatter)
p.add_argument('in_tractogram', help='Tractogram.')
p.add_argument('out_tractogram', help='Colored TRK tractogram.')
p.add_argument('color',
help='Can be either hexadecimal (ie. "#RRGGBB" '
'or 0xRRGGBB).')
add_reference_arg(p)
add_overwrite_arg(p)
return p
