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run.py
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run.py
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import argparse
import os
import sys
from pathlib import Path
import glob
import re
import shutil
import subprocess
import pathlib
import json
import warnings
from platform import system
import pkg_resources
from bids import BIDSLayout
from nipype.interfaces.utility import IdentityInterface, Merge
from nipype.pipeline import Workflow
from nipype import Node, Function, DataSink
from nipype.interfaces.io import SelectFiles
from niworkflows.utils.misc import check_valid_fs_license
from petprep_extract_tacs.utils.pet import create_weighted_average_pet
from nipype.interfaces.freesurfer import MRICoreg, ApplyVolTransform, MRIConvert, Concatenate, SampleToSurface, SurfaceSmooth
from petprep_extract_tacs.interfaces.petsurfer import GTMSeg, GTMPVC
from petprep_extract_tacs.interfaces.segment import SegmentBS, SegmentHA_T1, SegmentThalamicNuclei, MRISclimbicSeg
from petprep_extract_tacs.interfaces.fs_model import SegStats
from petprep_extract_tacs.utils.utils import ctab_to_dsegtsv, avgwf_to_tacs, summary_to_stats, gtm_to_tacs, gtm_stats_to_stats, gtm_to_dsegtsv, limbic_to_dsegtsv, limbic_to_stats, plot_reg, get_opt_fwhm, stats_to_stats
from petprep_extract_tacs.utils.merge_tacs import collect_and_merge_tsvs
from petprep_extract_tacs.bids import collect_data
from petutils.petutils import PETFrameTimingError, check_nifti_json_frame_consistency
__version__ = open(os.path.join(os.path.dirname(os.path.realpath(__file__)),
'version')).read()
def determine_in_docker():
"""
Determines if the script is running in a docker container, returns True if it is, False otherwise
:return: if running in docker container
:rtype: bool
"""
in_docker = False
# check if /proc/1/cgroup exists
if pathlib.Path("/proc/1/cgroup").exists():
with open("/proc/1/cgroup", "rt") as infile:
lines = infile.readlines()
for line in lines:
if "docker" in line:
in_docker = True
if pathlib.Path("/.dockerenv").exists():
in_docker = True
if pathlib.Path("/proc/1/sched").exists():
with open("/proc/1/sched", "rt") as infile:
lines = infile.readlines()
for line in lines:
if "bash" in line:
in_docker = True
return in_docker
def main(args):
# Check whether BIDS directory exists and instantiate BIDSLayout
if os.path.exists(args.bids_dir):
if not args.skip_bids_validator:
layout = BIDSLayout(args.bids_dir, validate=True)
else:
layout = BIDSLayout(args.bids_dir, validate=False)
else:
raise Exception('BIDS directory does not exist')
# Check whether FreeSurfer license is valid
if check_valid_fs_license() is not True:
raise Exception('You need a valid FreeSurfer license to proceed!')
# Get all PET files
if args.participant_label is None:
args.participant_label = layout.get(suffix='pet', target='subject', return_type='id')
# Create derivatives directories
if args.output_dir is None:
output_dir = os.path.join(args.bids_dir, 'derivatives', 'petprep_extract_tacs')
else:
output_dir = args.output_dir
os.makedirs(output_dir, exist_ok=True)
# Run ANAT workflow
anat_main = init_anat_wf()
if anat_main._get_all_nodes():
# set logging
anat_main.run(plugin='MultiProc', plugin_args={'n_procs': int(args.n_procs)})
# Run PET workflow
main = init_petprep_extract_tacs_wf()
# determine if this nipype.pipeline.engine.workflows.Workflow is empty
# if so exit early.
if not main._get_all_nodes():
print("\033[91mNo valid PET files found. Exiting early.\033[0m")
sys.exit(1)
else:
main.run(plugin='MultiProc', plugin_args={'n_procs': int(args.n_procs)})
# Loop through directories and store according to PET-BIDS specification
reg_files = glob.glob(os.path.join(Path(args.bids_dir),'petprep_extract_tacs_wf','datasink','*','from-pet_to-t1w_reg.lta'))
for idx, x in enumerate(reg_files):
match_sub_id = re.search(r'sub-([A-Za-z0-9]+)', reg_files[idx])
sub_id = match_sub_id.group(1)
match_ses_id = re.search(r'ses-([A-Za-z0-9]+)', reg_files[idx])
if match_ses_id:
ses_id = match_ses_id.group(1)
else:
ses_id = None
match_file_prefix = re.search(r'_pet_file_(.*?)/', reg_files[idx])
file_prefix = match_file_prefix.group(1)
if ses_id is not None:
sub_out_dir = Path(os.path.join(output_dir, 'sub-' + sub_id, 'ses-' + ses_id))
else:
sub_out_dir = Path(os.path.join(output_dir, 'sub-' + sub_id))
os.makedirs(sub_out_dir, exist_ok=True)
# copy all files and add prefix
for root, dirs, files in os.walk(os.path.dirname(reg_files[idx])):
for file in files:
if not file.startswith('.'):
shutil.copy(os.path.join(root, file), os.path.join(sub_out_dir, file_prefix + '_' + file))
# Remove temp outputs
shutil.rmtree(os.path.join(args.bids_dir, 'petprep_extract_tacs_wf'))
if os.path.exists(os.path.join(args.bids_dir, 'anat_wf')):
shutil.rmtree(os.path.join(args.bids_dir, 'anat_wf'))
# combine multiple runs of tacs if asked
if args.merge_runs:
# collect and merge tacs
collect_and_merge_tsvs(
args.bids_dir,
subjects=args.participant_label)
# add dataset_description.json to derivatives directory
dataset_description_json = {
"Name": "PETPrep extraction of time activity curves workflow",
"DatasetType": "derivative",
"BIDSVersion": "1.7.0",
"GeneratedBy": [
{
"Name": "petprep_extract_tacs",
"Version": str(__version__),
}
]
}
json_object = json.dumps(dataset_description_json, indent=4)
with open(os.path.join(args.output_dir, 'dataset_description.json'), "w") as outfile:
outfile.write(json_object)
def init_anat_wf():
from bids import BIDSLayout
layout = BIDSLayout(args.bids_dir, validate=False)
anat_wf = Workflow(name='anat_wf', base_dir=args.bids_dir)
anat_wf.config['execution']['remove_unnecessary_outputs'] = 'false'
# Define the subjects to iterate over
subject_list = layout.get(return_type='id', target='subject', suffix='pet')
# Set up the main workflow to iterate over subjects
for subject_id in subject_list:
# For each subject, create a subject-specific workflow
subject_wf = init_single_subject_anat_wf(subject_id)
anat_wf.add_nodes([subject_wf])
return anat_wf
def init_single_subject_anat_wf(subject_id):
from bids import BIDSLayout
layout = BIDSLayout(args.bids_dir, validate=False)
# Create a new workflow for this specific subject
subject_wf = Workflow(name=f'subject_{subject_id}_wf', base_dir=args.bids_dir)
subject_wf.config['execution']['remove_unnecessary_outputs'] = 'false'
templates = {'fs_subject_dir': 'derivatives/freesurfer'}
selectfiles = Node(SelectFiles(templates,
base_directory=args.bids_dir),
name="select_files")
datasink = Node(DataSink(base_directory = args.bids_dir,
container = os.path.join(args.bids_dir,'anat_wf')),
name = 'datasink')
if args.gtm is True or args.agtm is True:
gtmseg = Node(GTMSeg(subject_id = f'sub-{subject_id}',
xcerseg = True),
name = 'gtmseg')
subject_wf.connect([(selectfiles, gtmseg, [('fs_subject_dir', 'subjects_dir')])
])
if args.brainstem is True:
segment_bs = Node(SegmentBS(subject_id = f'sub-{subject_id}'),
name = 'segment_bs')
subject_wf.connect([(selectfiles, segment_bs, [('fs_subject_dir', 'subjects_dir')])
])
if args.thalamicNuclei is True:
segment_th = Node(SegmentThalamicNuclei(subject_id = f'sub-{subject_id}'),
name = 'segment_th')
subject_wf.connect([(selectfiles, segment_th, [('fs_subject_dir', 'subjects_dir')])
])
if args.hippocampusAmygdala is True:
segment_ha = Node(SegmentHA_T1(subject_id = f'sub-{subject_id}'),
name = 'segment_ha')
subject_wf.connect([(selectfiles, segment_ha, [('fs_subject_dir', 'subjects_dir')])
])
# if args.cvs is True:
# cvs = Node(CVSReg(subject_id = f'sub-{subject_id}'),
# name = 'cvs')
#
# subject_wf.connect([(selectfiles, cvs, [('fs_subject_dir', 'subjects_dir')])
# ])
return subject_wf
def init_petprep_extract_tacs_wf():
from bids import BIDSLayout
layout = BIDSLayout(args.bids_dir, validate=False)
petprep_extract_tacs_wf = Workflow(name='petprep_extract_tacs_wf', base_dir=args.bids_dir)
petprep_extract_tacs_wf.config['execution']['remove_unnecessary_outputs'] = 'false'
# Define the subjects to iterate over
subject_list = layout.get(return_type='id', target='subject', suffix='pet')
# sometimes the number of entries for FrameTimesStart and FrameDuration in the json file
# ar. not equal to the number of frames in the nifti file or each other. This will
# cause this pipeline to fail. Here we try to catch this error and notify the user of that
# issue while still running the pipeline on valid files.
# Set up the main workflow to iterate over subjects
for subject_id in subject_list:
try:
check_nifti_json_frame_consistency(layout, [subject_id])
# For each subject, create a subject-specific workflow
subject_wf = init_single_subject_wf(subject_id)
petprep_extract_tacs_wf.add_nodes([subject_wf])
except PETFrameTimingError as err:
# use warnings to display an error message in red text to the user
print(f"\033[91m{err}\033[0m")
print(f"\033[91mSkipping extract tacs on subject: {subject_id}\033[0m")
return petprep_extract_tacs_wf
def init_single_subject_wf(subject_id):
from bids import BIDSLayout
layout = BIDSLayout(args.bids_dir, validate=False)
# Create a new workflow for this specific subject
subject_wf = Workflow(name=f'subject_{subject_id}_wf', base_dir=args.bids_dir)
subject_wf.config['execution']['remove_unnecessary_outputs'] = 'false'
subject_data = collect_data(layout,
participant_label=subject_id)[0]['pet']
# This function will strip the extension(s) from a filename
def strip_extensions(filename):
while os.path.splitext(filename)[1]:
filename = os.path.splitext(filename)[0]
return filename
# Use os.path.basename to get the last part of the path and then remove the extensions
cleaned_subject_data = [strip_extensions(os.path.basename(path)) for path in subject_data]
cleaned_subject_data = [s.replace('_pet', '') for s in cleaned_subject_data]
inputs = Node(IdentityInterface(fields=['pet_file']), name='inputs')
inputs.iterables = ('pet_file', cleaned_subject_data)
sessions = layout.get_sessions(subject=subject_id)
templates = {'pet_file': 's*/pet/*{pet_file}_pet.[n]*' if not sessions else 's*/s*/pet/*{pet_file}_pet.[n]*',
'json_file': 's*/pet/*{pet_file}_pet.json' if not sessions else 's*/s*/pet/*{pet_file}_pet.json',
'brainmask_file': f'derivatives/freesurfer/sub-{subject_id}/mri/T1.mgz',
'wm_file': f'derivatives/freesurfer/sub-{subject_id}/mri/wmparc.mgz',
'orig_file': f'derivatives/freesurfer/sub-{subject_id}/mri/orig.mgz',
'fs_subject_dir': 'derivatives/freesurfer'
}
if args.petprep_hmc is True:
templates.update({'pet_file': 'derivatives/petprep_hmc/s*/*{pet_file}_desc-mc_pet.[n]*' if not sessions else 'derivatives/petprep_hmc/s*/s*/*{pet_file}_desc-mc_pet.[n]*'})
selectfiles = Node(SelectFiles(templates,
base_directory=args.bids_dir),
name="select_files")
# Define nodes for extraction of tacs
coreg_pet_to_t1w = Node(MRICoreg(out_lta_file = 'from-pet_to-t1w_reg.lta',
subject_id = f'sub-{subject_id}'
),
name = 'coreg_pet_to_t1w')
create_time_weighted_average = Node(Function(input_names = ['pet_file', 'json_file'],
output_names = ['out_file'],
function = create_weighted_average_pet),
name = 'create_weighted_average_pet')
move_pet_to_anat = Node(ApplyVolTransform(transformed_file = 'space-T1w_pet.nii.gz'),
name = 'move_pet_to_anat')
move_twa_to_anat = Node(ApplyVolTransform(transformed_file = 'space-T1w_desc-twa_pet.nii.gz'),
name = 'move_twa_to_anat')
convert_brainmask = Node(MRIConvert(out_file = 'space-T1w_desc-brain_mask.nii.gz'),
name = 'convert_brainmask')
plot_registration = Node(Function(input_names = ['fixed_image', 'moving_image'],
output_names = ['out_file'],
function = plot_reg),
name = 'plot_reg')
datasink = Node(DataSink(base_directory = args.bids_dir,
container = os.path.join(args.bids_dir,'petprep_extract_tacs_wf')),
name = 'datasink')
subject_wf.connect([(inputs, selectfiles, [('pet_file', 'pet_file')]),
(selectfiles, create_time_weighted_average, [('pet_file', 'pet_file')]),
(selectfiles, create_time_weighted_average, [('json_file', 'json_file')]),
(selectfiles, coreg_pet_to_t1w, [('brainmask_file', 'reference_file')]),
(selectfiles, coreg_pet_to_t1w, [('fs_subject_dir', 'subjects_dir')]),
(create_time_weighted_average, coreg_pet_to_t1w, [('out_file', 'source_file')]),
(coreg_pet_to_t1w, move_pet_to_anat, [('out_lta_file', 'lta_file')]),
(selectfiles, move_pet_to_anat, [('brainmask_file', 'target_file')]),
(selectfiles, move_pet_to_anat, [('pet_file', 'source_file')]),
#(move_pet_to_anat, datasink, [('transformed_file', 'datasink.@transformed_file')]),
(coreg_pet_to_t1w, datasink, [('out_lta_file', 'datasink.@out_lta_file')]),
(create_time_weighted_average, move_twa_to_anat, [('out_file', 'source_file')]),
(selectfiles, move_twa_to_anat, [('brainmask_file', 'target_file')]),
(coreg_pet_to_t1w, move_twa_to_anat, [('out_lta_file', 'lta_file')]),
#(move_twa_to_anat, datasink, [('transformed_file', 'datasink.@transformed_twa_file')]),
(selectfiles, convert_brainmask, [('brainmask_file', 'in_file')]),
(convert_brainmask, datasink, [('out_file', 'datasink.@brainmask_file')]),
(convert_brainmask, plot_registration, [('out_file', 'fixed_image')]),
(move_twa_to_anat, plot_registration, [('transformed_file', 'moving_image')]),
(plot_registration, datasink, [('out_file', 'datasink.@plot_reg')])
])
if args.surface is True:
vol2surf_lh = Node(SampleToSurface(hemi = 'lh',
sampling_method = 'point',
sampling_range = 0.5,
sampling_units = 'frac',
cortex_mask = True,
target_subject = 'fsaverage',
out_file = 'space-fsaverage_hemi-L_pet.nii.gz'
),
name = 'vol2surf_lh')
vol2surf_rh = Node(SampleToSurface(hemi = 'rh',
sampling_method = 'point',
sampling_range = 0.5,
sampling_units = 'frac',
cortex_mask = True,
target_subject = 'fsaverage',
out_file = 'space-fsaverage_hemi-R_pet.nii.gz'
),
name = 'vol2surf_rh')
if args.surface_smooth is not None:
vol2surf_lh.inputs.smooth_surf = args.surface_smooth
vol2surf_lh.inputs.out_file = f'space-fsaverage_hemi-L_desc-sm{args.surface_smooth}_pet.nii.gz'
vol2surf_rh.inputs.smooth_surf = args.surface_smooth
vol2surf_rh.inputs.out_file = f'space-fsaverage_hemi-R_desc-sm{args.surface_smooth}_pet.nii.gz'
subject_wf.connect([(selectfiles, vol2surf_lh, [('pet_file', 'source_file')]),
(selectfiles, vol2surf_lh, [('fs_subject_dir', 'subjects_dir')]),
(coreg_pet_to_t1w, vol2surf_lh, [('out_lta_file', 'reg_file')]),
(vol2surf_lh, datasink, [('out_file', 'datasink.@lh_pet')]),
(selectfiles, vol2surf_rh, [('pet_file', 'source_file')]),
(selectfiles, vol2surf_rh, [('fs_subject_dir', 'subjects_dir')]),
(coreg_pet_to_t1w, vol2surf_rh, [('out_lta_file', 'reg_file')]),
(vol2surf_rh, datasink, [('out_file', 'datasink.@rh_pet')])
])
if args.volume is True:
vol2vol = Node(ApplyVolTransform(transformed_file = 'space-mni305_pet.nii.gz',
tal = True,
tal_resolution = 2),
name = 'vol2vol')
subject_wf.connect([(selectfiles, vol2vol, [('pet_file', 'source_file')]),
(selectfiles, vol2vol, [('fs_subject_dir', 'subjects_dir')]),
(coreg_pet_to_t1w, vol2vol, [('out_lta_file', 'lta_file')]),
(vol2vol, datasink, [('transformed_file', 'datasink.@mni305_pet')])
])
if args.volume_smooth is not None:
smooth_vol = Node(MRIConvert(out_file = f'space-mni305_desc-sm{args.volume_smooth}_pet.nii.gz',
fwhm = args.volume_smooth),
name = 'smooth_vol')
subject_wf.connect([(vol2vol, smooth_vol, [('transformed_file', 'in_file')]),
(smooth_vol, datasink, [('out_file', 'datasink.@mni305_sm_pet')])
])
if args.gtm is True or args.agtm is True:
templates.update({'gtm_file': f'derivatives/freesurfer/sub-{subject_id}/mri/gtmseg.mgz'})
templates.update({'gtm_stats': f'derivatives/freesurfer/sub-{subject_id}/stats/gtmseg.stats'})
gtmpvc = Node(GTMPVC(default_seg_merge = True,
auto_mask = (1,0.1),
no_pvc = True,
pvc_dir = 'nopvc',
no_rescale = True),
name = 'gtmpvc')
create_gtmseg_tacs = Node(Function(input_names = ['in_file', 'json_file', 'gtm_stats', 'pvc_dir'],
output_names = ['out_file'],
function = gtm_to_tacs),
name = 'create_gtmseg_tacs')
create_gtmseg_tacs.inputs.pvc_dir = gtmpvc.inputs.pvc_dir
create_gtmseg_stats = Node(Function(input_names = ['gtm_stats'],
output_names = ['out_file'],
function = gtm_stats_to_stats),
name = 'create_gtmseg_stats')
create_gtmseg_dsegtsv = Node(Function(input_names = ['gtm_stats'],
output_names = ['out_file'],
function = gtm_to_dsegtsv),
name = 'create_gtmseg_dsegtsv')
convert_gtmseg_file = Node(MRIConvert(out_file = 'desc-gtmseg_dseg.nii.gz'),
name = 'convert_gtmseg_file')
subject_wf.connect([(selectfiles, gtmpvc, [('pet_file', 'in_file')]),
(selectfiles, gtmpvc, [('gtm_file', 'segmentation')]),
(coreg_pet_to_t1w, gtmpvc, [('out_lta_file', 'reg_file')]),
(gtmpvc, create_gtmseg_tacs, [('nopvc_file', 'in_file')]),
(gtmpvc, create_gtmseg_tacs, [('gtm_stats', 'gtm_stats')]),
(selectfiles, create_gtmseg_tacs, [('json_file', 'json_file')]),
(create_gtmseg_tacs, datasink, [('out_file', 'datasink.@gtmseg_tacs')]),
(selectfiles, create_gtmseg_stats, [('gtm_stats', 'gtm_stats')]),
(create_gtmseg_stats, datasink, [('out_file', 'datasink.@gtmseg_stats')]),
(selectfiles, convert_gtmseg_file, [('gtm_file', 'in_file')]),
(convert_gtmseg_file, datasink, [('out_file', 'datasink.@gtmseg_file')]),
(gtmpvc, create_gtmseg_dsegtsv, [('gtm_stats', 'gtm_stats')]),
(create_gtmseg_dsegtsv, datasink, [('out_file', 'datasink.@gtmseg_dsegtsv')])
])
if args.agtm is True and args.psf is not None:
templates.update({'gtm_file': f'derivatives/freesurfer/sub-{subject_id}/mri/gtmseg.mgz'})
agtmpvc_init = Node(GTMPVC(auto_mask = (1,0.1),
num_threads = 1,
opt_seg_merge = True,
optimization_schema = '1D',
psf = args.psf,
opt_tol = (4, 10e-6, .02),
opt_brain = True,
pvc_dir = 'agtm',
no_rescale = True),
name = 'agtmpvc_init')
agtmpvc = Node(GTMPVC(default_seg_merge = True,
auto_mask = (1,0.1),
pvc_dir = 'agtm',
no_rescale = True),
name = 'agtmpvc')
opt_fwhm = Node(Function(input_names=['opt_params'],
output_names=['fwhm_x', 'fwhm_y', 'fwhm_z', 'tsv_file'],
function=get_opt_fwhm),
name="opt_fwhm")
create_agtmseg_tacs = Node(Function(input_names = ['in_file', 'json_file', 'gtm_stats', 'pvc_dir'],
output_names = ['out_file'],
function = gtm_to_tacs),
name = 'create_agtmseg_tacs')
create_agtmseg_tacs.inputs.pvc_dir = agtmpvc.inputs.pvc_dir
subject_wf.connect([(create_time_weighted_average, agtmpvc_init, [('out_file', 'in_file')]),
(selectfiles, agtmpvc_init, [('gtm_file', 'segmentation')]),
(coreg_pet_to_t1w, agtmpvc_init, [('out_lta_file', 'reg_file')]),
(agtmpvc_init, opt_fwhm, [('opt_params', 'opt_params')]),
(opt_fwhm, agtmpvc, [('fwhm_x', 'psf_col'),
('fwhm_y', 'psf_row'),
('fwhm_z', 'psf_slice')]),
(selectfiles, agtmpvc, [('pet_file', 'in_file')]),
(selectfiles, agtmpvc, [('gtm_file', 'segmentation')]),
(coreg_pet_to_t1w, agtmpvc, [('out_lta_file', 'reg_file')]),
(agtmpvc, create_agtmseg_tacs, [('gtm_file', 'in_file')]),
(agtmpvc, create_agtmseg_tacs, [('gtm_stats', 'gtm_stats')]),
(selectfiles, create_agtmseg_tacs, [('json_file', 'json_file')]),
(create_agtmseg_tacs, datasink, [('out_file', 'datasink.@agtmseg_tacs')]),
(opt_fwhm, datasink, [('tsv_file', 'datasink.@opt_fwhm')])
])
if args.brainstem is True:
templates.update({'bs_labels_voxel': f'derivatives/freesurfer/sub-{subject_id}/mri/brainstemSsLabels.v13.FSvoxelSpace.mgz'})
segment_bs = Node(SegmentBS(subject_id = f'sub-{subject_id}'),
name = 'segment_bs')
segstats_bs = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'desc-brainstem_tacs.txt',
ctab_out_file = 'desc-brainstem_dseg.ctab',
summary_file = 'desc-brainstem_morph.txt'),
name = 'segstats_bs')
create_bs_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_bs_tacs')
create_bs_stats = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_bs_stats')
create_bs_dsegtsv = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_bs_dsegtsv')
convert_bs_seg_file = Node(MRIConvert(out_file = 'desc-brainstem_dseg.nii.gz'),
name = 'convert_bs_seg_file')
subject_wf.connect([(selectfiles, segstats_bs, [('bs_labels_voxel', 'segmentation_file')]),
(move_pet_to_anat, segstats_bs, [('transformed_file', 'in_file')]),
(segstats_bs, create_bs_tacs, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_bs_tacs, [('json_file', 'json_file')]),
(segstats_bs, create_bs_stats, [('summary_file', 'summary_file')]),
(segstats_bs, create_bs_dsegtsv, [('ctab_out_file', 'ctab_file')]),
(selectfiles, convert_bs_seg_file, [('bs_labels_voxel', 'in_file')]),
(create_bs_tacs, datasink, [('out_file', 'datasink')]),
(create_bs_stats, datasink, [('out_file', 'datasink.@bs_stats')]),
(create_bs_dsegtsv, datasink, [('out_file', 'datasink.@bs_dseg')]),
(convert_bs_seg_file, datasink, [('out_file', 'datasink.@bs_segmentation_file')])
])
if args.thalamicNuclei is True:
templates.update({'thalamic_labels_voxel': f'derivatives/freesurfer/sub-{subject_id}/mri/ThalamicNuclei.v13.T1.FSvoxelSpace.mgz'})
segstats_th = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'desc-thalamus_tacs.txt',
ctab_out_file = 'desc-thalamus_dseg.ctab',
summary_file = 'desc-thalamus_morph.txt'),
name = 'segstats_th')
create_th_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_th_tacs')
create_th_stats = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_th_stats')
create_th_dsegtsv = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_th_dsegtsv')
convert_th_seg_file = Node(MRIConvert(out_file = 'desc-thalamus_dseg.nii.gz'),
name = 'convert_th_seg_file')
subject_wf.connect([(selectfiles, segstats_th, [('thalamic_labels_voxel', 'segmentation_file')]),
(move_pet_to_anat, segstats_th, [('transformed_file', 'in_file')]),
(segstats_th, create_th_tacs, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_th_tacs, [('json_file', 'json_file')]),
(segstats_th, create_th_stats, [('summary_file', 'summary_file')]),
(segstats_th, create_th_dsegtsv, [('ctab_out_file', 'ctab_file')]),
(selectfiles, convert_th_seg_file, [('thalamic_labels_voxel', 'in_file')]),
(create_th_tacs, datasink, [('out_file', 'datasink.@th_tacs')]),
(create_th_stats, datasink, [('out_file', 'datasink.@th_stats')]),
(create_th_dsegtsv, datasink, [('out_file', 'datasink.@th_dseg')]),
(convert_th_seg_file, datasink, [('out_file', 'datasink.@th_segmentation_file')])
])
if args.hippocampusAmygdala is True:
templates.update({'lh_hippoAmygLabels': f'derivatives/freesurfer/sub-{subject_id}/mri/lh.hippoAmygLabels-T1.v22.FSvoxelSpace.mgz',
'rh_hippoAmygLabels': f'derivatives/freesurfer/sub-{subject_id}/mri/rh.hippoAmygLabels-T1.v22.FSvoxelSpace.mgz'})
segstats_ha_lh = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'hemi-L_desc-hippocampusAmygdala_tacs.txt',
ctab_out_file = 'hemi-L_desc-hippocampusAmygdala_dseg.ctab',
summary_file = 'hemi-L_desc-hippocampusAmygdala_morph.txt'),
name = 'segstats_ha_lh')
create_ha_tacs_lh = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_ha_tacs_lh')
create_ha_stats_lh = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_ha_stats_lh')
create_ha_dsegtsv_lh = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_ha_dsegtsv_lh')
convert_ha_seg_file_lh = Node(MRIConvert(out_file = 'hemi-L_desc-hippocampusAmygdala_dseg.nii.gz'),
name = 'convert_ha_seg_file_lh')
segstats_ha_rh = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'hemi-R_desc-hippocampusAmygdala_tacs.txt',
ctab_out_file = 'hemi-R_desc-hippocampusAmygdala_dseg.ctab',
summary_file = 'hemi-R_desc-hippocampusAmygdala_morph.txt'),
name = 'segstats_ha_rh')
create_ha_tacs_rh = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_ha_tacs_rh')
create_ha_stats_rh = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_ha_stats_rh')
create_ha_dsegtsv_rh = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_ha_dsegtsv_rh')
convert_ha_seg_file_rh = Node(MRIConvert(out_file = 'hemi-R_desc-hippocampusAmygdala_dseg.nii.gz'),
name = 'convert_ha_seg_file_rh')
merge_seg_files = Node(Merge(2),
name='merge')
combine_ha_lr_dseg = Node(Concatenate(concatenated_file = 'desc-hippocampusAmygdala_dseg.nii.gz',
combine = True),
name = 'combine_ha_lr_dseg')
segstats_ha = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'desc-hippocampusAmygdala_tacs.txt',
ctab_out_file = 'desc-hippocampusAmygdala_dseg.ctab',
summary_file = 'desc-hippocampusAmygdala_morph.txt'),
name = 'segstats_ha')
create_ha_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_ha_tacs')
create_ha_stats = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_ha_stats')
create_ha_dsegtsv = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_ha_dsegtsv')
subject_wf.connect([(selectfiles, segstats_ha_lh, [('lh_hippoAmygLabels', 'segmentation_file')]),
(move_pet_to_anat, segstats_ha_lh, [('transformed_file', 'in_file')]),
(segstats_ha_lh, create_ha_tacs_lh, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_ha_tacs_lh, [('json_file', 'json_file')]),
(segstats_ha_lh, create_ha_stats_lh, [('summary_file', 'summary_file')]),
(segstats_ha_lh, create_ha_dsegtsv_lh, [('ctab_out_file', 'ctab_file')]),
(selectfiles, convert_ha_seg_file_lh, [('lh_hippoAmygLabels', 'in_file')]),
(create_ha_tacs_lh, datasink, [('out_file', 'datasink.@ha_tacs_lh')]),
(create_ha_stats_lh, datasink, [('out_file', 'datasink.@ha_stats_lh')]),
(create_ha_dsegtsv_lh, datasink, [('out_file', 'datasink.@ha_dseg_lh')]),
(convert_ha_seg_file_lh, datasink, [('out_file', 'datasink.@ha_segmentation_file_lh')]),
(selectfiles, segstats_ha_rh, [('rh_hippoAmygLabels', 'segmentation_file')]),
(move_pet_to_anat, segstats_ha_rh, [('transformed_file', 'in_file')]),
(segstats_ha_rh, create_ha_tacs_rh, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_ha_tacs_rh, [('json_file', 'json_file')]),
(segstats_ha_rh, create_ha_stats_rh, [('summary_file', 'summary_file')]),
(segstats_ha_rh, create_ha_dsegtsv_rh, [('ctab_out_file', 'ctab_file')]),
(selectfiles, convert_ha_seg_file_rh, [('rh_hippoAmygLabels', 'in_file')]),
(create_ha_tacs_rh, datasink, [('out_file', 'datasink.@ha_tacs_rh')]),
(create_ha_stats_rh, datasink, [('out_file', 'datasink.@ha_stats_rh')]),
(create_ha_dsegtsv_rh, datasink, [('out_file', 'datasink.@ha_dseg_rh')]),
(convert_ha_seg_file_rh, datasink, [('out_file', 'datasink.@ha_segmentation_file_rh')]),
(selectfiles, merge_seg_files, [('lh_hippoAmygLabels', 'in1')]),
(selectfiles, merge_seg_files, [('rh_hippoAmygLabels', 'in2')]),
(merge_seg_files, combine_ha_lr_dseg, [('out', 'in_files')]),
(combine_ha_lr_dseg, datasink, [('concatenated_file', 'datasink.@ha_segmentation_file')]),
(combine_ha_lr_dseg, segstats_ha, [('concatenated_file', 'segmentation_file')]),
(move_pet_to_anat, segstats_ha, [('transformed_file', 'in_file')]),
(segstats_ha, create_ha_tacs, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_ha_tacs, [('json_file', 'json_file')]),
(segstats_ha, create_ha_stats, [('summary_file', 'summary_file')]),
(segstats_ha, create_ha_dsegtsv, [('ctab_out_file', 'ctab_file')]),
(create_ha_tacs, datasink, [('out_file', 'datasink.@ha_tacs')]),
(create_ha_stats, datasink, [('out_file', 'datasink.@ha_stats')]),
(create_ha_dsegtsv, datasink, [('out_file', 'datasink.@ha_dseg')])
])
if args.wm is True:
segstats_wm = Node(SegStats(exclude_id = 0,
default_color_table = True,
avgwf_txt_file = 'desc-whiteMatter_tacs.txt',
ctab_out_file = 'desc-whiteMatter_dseg.ctab',
summary_file = 'desc-whiteMatter_morph.txt'),
name = 'segstats_wm')
create_wm_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_wm_tacs')
create_wm_stats = Node(Function(input_names = ['summary_file'],
output_names = ['out_file'],
function = summary_to_stats),
name = 'create_wm_stats')
create_wm_dsegtsv = Node(Function(input_names = ['ctab_file'],
output_names = ['out_file'],
function = ctab_to_dsegtsv),
name = 'create_wm_dsegtsv')
convert_wm_seg_file = Node(MRIConvert(out_file = 'desc-whiteMatter_dseg.nii.gz'),
name = 'convert_wm_seg_file')
subject_wf.connect([(selectfiles, segstats_wm, [('wm_file', 'segmentation_file')]),
(move_pet_to_anat, segstats_wm, [('transformed_file', 'in_file')]),
(segstats_wm, create_wm_tacs, [('avgwf_txt_file', 'avgwf_file'),
('ctab_out_file', 'ctab_file')]),
(selectfiles, create_wm_tacs, [('json_file', 'json_file')]),
(segstats_wm, create_wm_stats, [('summary_file', 'summary_file')]),
(segstats_wm, create_wm_dsegtsv, [('ctab_out_file', 'ctab_file')]),
(create_wm_tacs, datasink, [('out_file', 'datasink.@wm_tacs')]),
(create_wm_stats, datasink, [('out_file', 'datasink.@wm_stats')]),
(create_wm_dsegtsv, datasink, [('out_file', 'datasink.@wm_dseg')]),
(selectfiles, convert_wm_seg_file, [('wm_file', 'in_file')]),
(convert_wm_seg_file, datasink, [('out_file', 'datasink.@wm_segmentation_file')])
])
if args.raphe is True:
segment_raphe = Node(MRISclimbicSeg(keep_ac = True,
percentile = 99.9,
vmp = True,
write_volumes = True,
out_file = 'desc-raphe_dseg.nii.gz'),
name = 'segment_raphe')
segment_raphe.inputs.model = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/raphe+pons.n21.d114.h5')
segment_raphe.inputs.ctab = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/raphe+pons.ctab')
segstats_raphe = Node(SegStats(exclude_id = 0,
avgwf_txt_file = 'desc-raphe_tacs.txt',
ctab_out_file = 'desc-raphe_dseg.ctab',
summary_file = 'desc-raphe_morph.txt'),
name = 'segstats_raphe')
segstats_raphe.inputs.color_table_file = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/raphe+pons_cleaned.ctab')
create_raphe_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_raphe_tacs')
create_raphe_tacs.inputs.ctab_file = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/raphe+pons_cleaned.ctab')
create_raphe_stats = Node(Function(input_names = ['out_stats'],
output_names = ['out_file'],
function = limbic_to_stats),
name = 'create_raphe_stats')
create_raphe_dsegtsv = Node(Function(input_names = ['out_stats'],
output_names = ['out_file'],
function = limbic_to_dsegtsv),
name = 'create_raphe_dsegtsv')
subject_wf.connect([(selectfiles, segment_raphe, [('orig_file', 'in_file')]),
(segment_raphe, segstats_raphe, [('out_file', 'segmentation_file')]),
(move_pet_to_anat, segstats_raphe, [('transformed_file', 'in_file')]),
(segstats_raphe, create_raphe_tacs, [('avgwf_txt_file', 'avgwf_file')]),
(selectfiles, create_raphe_tacs, [('json_file', 'json_file')]),
(create_raphe_tacs, datasink, [('out_file', 'datasink.@raphe_tacs')]),
(segment_raphe, datasink, [('out_file', 'datasink.@raphe_segmentation_file')]),
(segment_raphe,create_raphe_stats, [('out_stats', 'out_stats')]),
(create_raphe_stats, datasink, [('out_file', 'datasink.@raphe_stats')]),
(segment_raphe, create_raphe_dsegtsv, [('out_stats', 'out_stats')]),
(create_raphe_dsegtsv, datasink, [('out_file', 'datasink.@raphe_dseg')])
])
if args.limbic is True:
segment_limbic = Node(MRISclimbicSeg(write_volumes = True,
out_file = 'desc-limbic_dseg.nii.gz'),
name = 'segment_limbic')
segment_limbic.inputs.ctab = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/sclimbic.ctab')
segstats_limbic = Node(SegStats(exclude_id = 0,
avgwf_txt_file = 'desc-limbic_tacs.txt',
ctab_out_file = 'desc-limbic_dseg.ctab',
summary_file = 'desc-limbic_morph.txt'),
name = 'segstats_limbic')
segstats_limbic.inputs.color_table_file = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/sclimbic_cleaned.ctab')
create_limbic_tacs = Node(Function(input_names = ['avgwf_file', 'ctab_file', 'json_file'],
output_names = ['out_file'],
function = avgwf_to_tacs),
name = 'create_limbic_tacs')
create_limbic_tacs.inputs.ctab_file = pkg_resources.resource_filename('petprep_extract_tacs', 'utils/sclimbic_cleaned.ctab')
create_limbic_stats = Node(Function(input_names = ['out_stats'],
output_names = ['out_file'],
function = limbic_to_stats),
name = 'create_limbic_stats')
create_limbic_dsegtsv = Node(Function(input_names = ['out_stats'],
output_names = ['out_file'],
function = limbic_to_dsegtsv),
name = 'create_limbic_dsegtsv')
subject_wf.connect([(selectfiles, segment_limbic, [('orig_file', 'in_file')]),
(segment_limbic, segstats_limbic, [('out_file', 'segmentation_file')]),
(move_pet_to_anat, segstats_limbic, [('transformed_file', 'in_file')]),
(segstats_limbic, create_limbic_tacs, [('avgwf_txt_file', 'avgwf_file')]),
(selectfiles, create_limbic_tacs, [('json_file', 'json_file')]),
(create_limbic_tacs, datasink, [('out_file', 'datasink.@limbic_tacs')]),
(segment_limbic, datasink, [('out_file', 'datasink.@limbic_segmentation_file')]),
(segment_limbic,create_limbic_stats, [('out_stats', 'out_stats')]),
(create_limbic_stats, datasink, [('out_file', 'datasink.@limbic_stats')]),
(segment_limbic, create_limbic_dsegtsv, [('out_stats', 'out_stats')]),
(create_limbic_dsegtsv, datasink, [('out_file', 'datasink.@limbic_dseg')])
])
return subject_wf
def add_sub(subject_id):
return 'sub-' + subject_id
def locate_freesurfer_license():
"""
Checks for freesurfer license on host system and returns path to license file if it exists.
Raises error if $FREESURFER_HOME is not set or if license file does not exist at $FREESURFER_HOME/license.txt
:raises ValueError: if FREESURFER_HOME environment variable is not set
:raises ValueError: if license file does not exist at FREESURFER_HOME/license.txt
:return: full path to Freesurfer license file
:rtype: pathlib.Path
"""
# collect freesurfer home environment variable
fs_home = pathlib.Path(os.environ.get("FREESURFER_HOME", ""))
if not fs_home:
raise ValueError(
"FREESURFER_HOME environment variable is not set, unable to determine location of license file"
)
else:
fs_license = fs_home / pathlib.Path("license.txt")
if not fs_license.exists():
raise ValueError(
"Freesurfer license file does not exist at {}".format(fs_license)
)
else:
return fs_license
def check_docker_installed():
"""
Checks to see if docker is installed on the host system, raises exception if it is not.
:raises Exception: if docker is not installed
:return: status of docker installation
:rtype: bool
"""
try:
subprocess.run(
["docker", "--version"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True,
)
docker_installed = True
except subprocess.CalledProcessError:
raise Exception("Could not detect docker installation, exiting")
return docker_installed
def check_docker_image_exists(image_name, build=False):
"""
Checks to see if a docker image exists, if it does not and build is set to True, it will attempt to build the image.
:param image_name: name of docker image
:type image_name: string
:param build: try to build a docker image if none is found, defaults to False
:type build: bool, optional
:return: status of whether or not the image exists
:rtype: bool
"""
try:
subprocess.run(
["docker", "inspect", image_name],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True,
)
image_exists = True
print("Docker image {} exists".format(image_name))
except subprocess.CalledProcessError:
image_exists = False
print("Docker image {} does not exist".format(image_name))
if build:
try:
# get dockerfile path
dockerfile_path = pathlib.Path(__file__).parent / pathlib.Path("Dockerfile")
subprocess.run(
["docker", "build", "-t", image_name, str(dockerfile_path)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True,
)
image_exists = True
print("Docker image {} has been built.".format(image_name))
except subprocess.CalledProcessError:
image_exists = False
print("Docker image {} could not be built.".format(image_name))
return image_exists
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='BIDS App for PETPrep extract time activity curves (TACs) workflow')
parser.add_argument('--bids_dir', required=True, help='The directory with the input dataset '
'formatted according to the BIDS standard.', type=str)
parser.add_argument('--output_dir', required=False, help='The directory where the output files '
'should be stored. If you are running group level analysis '
'this folder should be prepopulated with the results of the'
'participant level analysis.', type=str)
parser.add_argument('--analysis_level', default='participant', help='Level of the analysis that will be performed. '
'Multiple participant level analyses can be run independently '
'(in parallel) using the same output_dir.',
choices=['participant', 'group'])
parser.add_argument('--participant_label', help='The label(s) of the participant(s) that should be analyzed. The label '
'corresponds to sub-<participant_label> from the BIDS spec '
'(so it does not include "sub-"). If this parameter is not '
'provided all subjects should be analyzed. Multiple '
'participants can be specified with a space separated list.',
nargs="+", default=None)
parser.add_argument('--n_procs', help='Number of processors to use when running the workflow', default=2)
parser.add_argument('--gtm', help='Extract time activity curves from the geometric transfer matrix segmentation (gtmseg)', action='store_true')
parser.add_argument('--brainstem', help='Extract time activity curves from the brainstem', action='store_true')
parser.add_argument('--thalamicNuclei', help='Extract time activity curves from the thalamic nuclei', action='store_true')
parser.add_argument('--hippocampusAmygdala', help='Extract time activity curves from the hippocampus and amygdala', action='store_true')
parser.add_argument('--wm', help='Extract time activity curves from the white matter', action='store_true')
parser.add_argument('--raphe', help='Extract time activity curves from the raphe nuclei', action='store_true')
parser.add_argument('--limbic', help='Extract time activity curves from the limbic system', action='store_true')
parser.add_argument('--surface', help='Extract surface-based time activity curves in fsaverage', action='store_true')
parser.add_argument('--surface_smooth', help='Smooth surface-based time activity curves in fsaverage', type=int)
parser.add_argument('--volume', help='Extract volume-based time activity curves in mni305', action='store_true')
parser.add_argument('--volume_smooth', help='Smooth volume-based time activity curves in mni305', type=int)
parser.add_argument('--agtm', help='Extract time activity curves from the adaptive gtm PVC', action='store_true')
parser.add_argument('--psf', help='Initial guess of point spread function of PET scanner for agtm', type=float)