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entry_points.py
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import argparse
import sys
import pathlib
import logging
import numpy as np
import starfile
from pytom_tm.extract import extract_particles
from pytom_tm.io import (
LargerThanZero,
write_mrc,
read_mrc_meta_data,
read_mrc,
CheckFileExists,
ParseLogging,
CheckDirExists,
ParseSearch,
ParseTiltAngles,
ParseDoseFile,
ParseDefocus,
BetweenZeroAndOne,
)
from pytom_tm.tmjob import load_json_to_tmjob
from os import urandom
def _parse_argv(argv=None):
if argv is None:
return sys.argv[1:]
return argv
def pytom_create_mask(argv=None):
from pytom_tm.mask import spherical_mask, ellipsoidal_mask
argv = _parse_argv(argv)
parser = argparse.ArgumentParser(
description="Create a mask for template matching. "
"-- Marten Chaillet (@McHaillet)"
)
parser.add_argument(
"-b",
"--box-size",
type=int,
required=True,
action=LargerThanZero,
help="Shape of square box for the mask.",
)
parser.add_argument(
"-o",
"--output-file",
type=pathlib.Path,
required=False,
help="Provide path to write output, needs to end in .mrc ."
"If not provided file is written to current directory in the following format: "
"./mask_b[box_size]px_r[radius]px.mrc ",
)
parser.add_argument(
"--voxel-size",
type=float,
required=False,
default=1.0,
action=LargerThanZero,
help="Provide a voxel size to annotate the MRC (currently not used for any "
"mask calculation).",
)
parser.add_argument(
"-r",
"--radius",
type=float,
required=True,
action=LargerThanZero,
help="Radius of the spherical mask in number of pixels. In case minor1 and "
"minor2 are provided, this will be the radius of the ellipsoidal mask along "
"the x-axis.",
)
parser.add_argument(
"--radius-minor1",
type=float,
required=False,
action=LargerThanZero,
help="Radius of the ellipsoidal mask along the y-axis in number of pixels.",
)
parser.add_argument(
"--radius-minor2",
type=float,
required=False,
action=LargerThanZero,
help="Radius of the ellipsoidal mask along the z-axis in number of pixels.",
)
parser.add_argument(
"-s",
"--sigma",
type=float,
required=False,
action=LargerThanZero,
help="Sigma of gaussian drop-off around the mask edges in number of pixels. "
"Values in the range from 0.5-1.0 are usually sufficient for tomograms with "
"20A-10A voxel sizes.",
)
argv = _parse_argv(argv)
args = parser.parse_args(argv)
# generate mask
if args.radius_minor1 is not None and args.radius_minor2 is not None:
mask = ellipsoidal_mask(
args.box_size,
args.radius,
args.radius_minor1,
args.radius_minor2,
smooth=args.sigma,
)
else:
mask = spherical_mask(args.box_size, args.radius, smooth=args.sigma)
# write to disk
output_path = (
args.output_file
if args.output_file is not None
else (pathlib.Path(f"mask_b{args.box_size}px_r{args.radius}px.mrc"))
)
write_mrc(output_path, mask, args.voxel_size)
def pytom_create_template(argv=None):
from pytom_tm.template import generate_template_from_map
argv = _parse_argv(argv)
parser = argparse.ArgumentParser(
description="Generate template from MRC density. "
"-- Marten Chaillet (@McHaillet)"
)
parser.add_argument(
"-i",
"--input-map",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="Map to generate template from; MRC file.",
)
parser.add_argument(
"-o",
"--output-file",
type=pathlib.Path,
required=False,
help="Provide path to write output, needs to end in .mrc . If not provided "
"file is written to current directory in the following format: "
"template_{input_map.stem}_{voxel_size}A.mrc",
)
parser.add_argument(
"--input-voxel-size-angstrom",
type=float,
required=False,
action=LargerThanZero,
help="Voxel size of input map, in Angstrom. If not provided will be read from "
"MRC input (so make sure it is annotated correctly!).",
)
parser.add_argument(
"--output-voxel-size-angstrom",
type=float,
required=True,
action=LargerThanZero,
help="Output voxel size of the template, in Angstrom. Needs to be equal to the "
"voxel size of the tomograms for template matching. Input map will be "
"downsampled to this spacing.",
)
parser.add_argument(
"--center",
action="store_true",
default=False,
required=False,
help="Set this flag to automatically center the density in the volume by "
"measuring the center of mass.",
)
parser.add_argument(
"--low-pass",
type=float,
required=False,
action=LargerThanZero,
help="Apply a low pass filter to this resolution, in Angstrom. By default a "
"low pass filter is applied to a resolution of (2 * output_spacing_angstrom) "
"before downsampling the input volume.",
)
parser.add_argument(
"-b",
"--box-size",
type=int,
required=False,
action=LargerThanZero,
help="Specify a desired size for the output box of the template. "
"Only works if it is larger than the downsampled box size of the input.",
)
(
parser.add_argument(
"--invert",
action="store_true",
default=False,
required=False,
help="Multiply template by -1. "
"WARNING: not needed if ctf with defocus is already applied!",
),
)
parser.add_argument(
"-m",
"--mirror",
action="store_true",
default=False,
required=False,
help="Mirror the final template before writing to disk.",
)
parser.add_argument(
"--log",
type=str,
required=False,
default=20,
action=ParseLogging,
help="Can be set to `info` or `debug`",
)
args = parser.parse_args(argv)
logging.basicConfig(level=args.log, force=True)
# set input voxel size and give user warning if it does not match
# with MRC annotation
input_data = read_mrc(args.input_map)
input_meta_data = read_mrc_meta_data(args.input_map)
if args.input_voxel_size_angstrom is not None:
if round(args.input_voxel_size_angstrom, 3) != round(
input_meta_data["voxel_size"], 3
):
logging.warning(
"Provided voxel size does not match voxel size annotated in input map."
)
map_spacing_angstrom = args.input_voxel_size_angstrom
else:
map_spacing_angstrom = input_meta_data["voxel_size"]
# set output path
output_path = (
args.output_file
if args.output_file is not None
else (
pathlib.Path(
f"template_{args.input_map.stem}_{args.output_voxel_size_angstrom}A.mrc"
)
)
)
if map_spacing_angstrom > args.output_voxel_size_angstrom:
raise NotImplementedError(
"It is assumed the input map has smaller voxel size than the output "
"template."
)
template = generate_template_from_map(
input_data,
map_spacing_angstrom,
args.output_voxel_size_angstrom,
center=args.center,
filter_to_resolution=args.low_pass,
output_box_size=args.box_size,
) * (-1 if args.invert else 1)
logging.debug(f"shape of template after processing is: {template.shape}")
write_mrc(
output_path,
np.flip(template, axis=0) if args.mirror else template,
args.output_voxel_size_angstrom,
)
def estimate_roc(argv=None):
argv = _parse_argv(argv)
from pytom_tm.plotting import plist_quality_gaussian_fit
parser = argparse.ArgumentParser(
description="Estimate ROC curve from TMJob file. "
"-- Marten Chaillet (@McHaillet)"
)
parser.add_argument(
"-j",
"--job-file",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="JSON file that contain all data on the template matching job, written "
"out by pytom_match_template.py in the destination path.",
)
parser.add_argument(
"-n",
"--number-of-particles",
type=int,
required=True,
action=LargerThanZero,
help="The number of particles to extract and estimate the ROC on, recommended "
"is to multiply the expected number of particles by 3.",
)
parser.add_argument(
"-r",
"--radius-px",
type=int,
required=True,
action=LargerThanZero,
help="Particle radius in pixels in the tomogram. It is used during extraction "
"to remove areas around peaks preventing double extraction.",
)
parser.add_argument(
"--bins",
type=int,
required=False,
action=LargerThanZero,
default=20,
help="Number of bins for the histogram to fit Gaussians on.",
)
parser.add_argument(
"--gaussian-peak",
type=int,
required=False,
action=LargerThanZero,
help="Expected index of the histogram peak of the Gaussian fitted to the "
"particle population.",
)
parser.add_argument(
"--force-peak",
action="store_true",
default=False,
required=False,
help="Force the particle peak to the provided peak index.",
)
parser.add_argument(
"--crop-plot",
action="store_true",
default=False,
required=False,
help="Flag to crop the plot relative to the height of the particle population.",
)
parser.add_argument(
"--show-plot",
action="store_true",
default=False,
required=False,
help="Flag to use a pop-up window for the plot instead of writing it to the "
"location of the job file.",
)
parser.add_argument(
"--log",
type=str,
required=False,
default=20,
action=ParseLogging,
help="Can be set to `info` or `debug`",
)
args = parser.parse_args(argv)
logging.basicConfig(level=args.log, force=True)
template_matching_job = load_json_to_tmjob(args.job_file)
# Set cut off to -1 to ensure the number of particles gets extracted
_, lcc_max_values = extract_particles(
template_matching_job,
args.radius_px,
args.number_of_particles,
cut_off=0,
create_plot=False,
)
score_volume = read_mrc(
template_matching_job.output_dir.joinpath(
f"{template_matching_job.tomo_id}_scores.mrc"
)
)
plist_quality_gaussian_fit(
lcc_max_values,
score_volume,
args.bins // 2 if args.gaussian_peak is None else args.gaussian_peak,
force_peak=args.force_peak,
output_figure_name=(
None
if args.show_plot
else template_matching_job.output_dir.joinpath(
f"{template_matching_job.tomo_id}_roc.svg"
)
),
crop_hist=args.crop_plot,
num_bins=args.bins,
n_tomograms=1,
)
def extract_candidates(argv=None):
argv = _parse_argv(argv)
parser = argparse.ArgumentParser(
description="Run candidate extraction. -- Marten Chaillet (@McHaillet)"
)
parser.add_argument(
"-j",
"--job-file",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="JSON file that contain all data on the template matching job, written "
"out by pytom_match_template.py in the destination path.",
)
parser.add_argument(
"--tomogram-mask",
type=pathlib.Path,
required=False,
action=CheckFileExists,
help="Here you can provide a mask for the extraction with dimensions equal to "
"the tomogram. All values in the mask that are smaller or equal to 0 will be "
"removed, all values larger than 0 are considered regions of interest. It can "
"be used to extract annotations only within a specific cellular region."
"If the job was run with a tomogram mask, this file will be used instead of the job mask",
)
parser.add_argument(
"-n",
"--number-of-particles",
type=int,
required=True,
action=LargerThanZero,
help="Maximum number of particles to extract from tomogram.",
)
parser.add_argument(
"--number-of-false-positives",
type=float,
required=False,
action=LargerThanZero,
default=1.0,
help="Number of false positives to determine the false alarm rate. Here one "
"can increase the recall of the particle of interest at the expense "
"of more false positives. The default value of 1 is recommended for "
"particles that can be distinguished well from the background (high "
"specificity). The value can also be set between 0 and 1 to make "
"the cut-off more restrictive.",
)
parser.add_argument(
"-r",
"--radius-px",
type=int,
required=True,
action=LargerThanZero,
help="Particle radius in pixels in the tomogram. It is used during extraction "
"to remove areas around peaks preventing double extraction.",
)
parser.add_argument(
"-c",
"--cut-off",
type=float,
required=False,
help="Override automated extraction cutoff estimation and instead extract the "
"number-of-particles down to this LCCmax value. Setting to 0 will keep "
"extracting until number-of-particles, or until there are no positive values "
"left in the score map. Values larger than 1 make no sense as the correlation "
"cannot be higher than 1.",
)
parser.add_argument(
"--tophat-filter",
action="store_true",
default=False,
required=False,
help="Attempt to filter only sharp correlation peaks with a tophat transform",
)
parser.add_argument(
"--tophat-connectivity",
type=int,
required=False,
default=1,
action=LargerThanZero,
help="Set kernel connectivity for ndimage binary structure used for the "
"tophat transform. Integer value in range 1-3. 1 is the most "
"restrictive, 3 the least restrictive. Generally recommended to "
"leave at 1.",
)
parser.add_argument(
"--relion5-compat",
action="store_true",
default=False,
required=False,
help="Write out centered coordinates in Angstrom for RELION5.",
)
parser.add_argument(
"--log",
type=str,
required=False,
default=20,
action=ParseLogging,
help="Can be set to `info` or `debug`",
)
args = parser.parse_args(argv)
logging.basicConfig(level=args.log, force=True)
# load job and extract particles from the volumes
job = load_json_to_tmjob(args.job_file)
df, _ = extract_particles(
job,
args.radius_px,
args.number_of_particles,
cut_off=args.cut_off,
n_false_positives=args.number_of_false_positives,
tomogram_mask_path=args.tomogram_mask,
tophat_filter=args.tophat_filter,
tophat_connectivity=args.tophat_connectivity,
relion5_compat=args.relion5_compat,
)
# write out as a RELION type starfile
starfile.write(
df, job.output_dir.joinpath(f"{job.tomo_id}_particles.star"), overwrite=True
)
def match_template(argv=None):
from pytom_tm.tmjob import TMJob
from pytom_tm.parallel import run_job_parallel
argv = _parse_argv(argv)
parser = argparse.ArgumentParser(
description="Run template matching. -- Marten Chaillet (@McHaillet)"
)
io_group = parser.add_argument_group("Template, search volume, and output")
io_group.add_argument(
"-t",
"--template",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="Template; MRC file. Object should match the contrast of the tomogram: "
"if the tomogram has black ribosomes, the reference should be black. "
"(pytom_create_template.py has an option to invert contrast) ",
)
io_group.add_argument(
"-v",
"--tomogram",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="Tomographic volume; MRC file.",
)
io_group.add_argument(
"-d",
"--destination",
type=pathlib.Path,
required=False,
default="./",
action=CheckDirExists,
help="Folder to store the files produced by template matching.",
)
mask_group = parser.add_argument_group("Mask")
mask_group.add_argument(
"-m",
"--mask",
type=pathlib.Path,
required=True,
action=CheckFileExists,
help="Mask with same box size as template; MRC file.",
)
mask_group.add_argument(
"--non-spherical-mask",
action="store_true",
required=False,
help="Flag to set when the mask is not spherical. It adds the required "
"computations for non-spherical masks and roughly doubles computation time.",
)
rotation_group = parser.add_argument_group("Angular search")
rotation_group.add_argument(
"--particle-diameter",
type=float,
required=False,
action=LargerThanZero,
help="Provide a particle diameter (in Angstrom) to automatically determine the "
"angular sampling using the Crowther criterion. For the max resolution, "
"(2 * pixel size) is used unless a low-pass filter is specified, "
"in which case the low-pass resolution is used. For non-globular "
"macromolecules choose the diameter along the longest axis.",
)
rotation_group.add_argument(
"--angular-search",
type=str,
required=False,
help="This option overrides the angular search calculation from the particle "
"diameter. If given a float it will generate an angle list with healpix "
"for Z1 and X1 and linear search for Z2. The provided angle will be used "
"as the maximum for the "
"linear search and for the mean angle difference from healpix.\n"
"Alternatively, a .txt file can be provided with three Euler angles "
"(in radians) per line that define the angular search. "
"Angle format is ZXZ anti-clockwise (see: "
"https://www.ccpem.ac.uk/user_help/rotation_conventions.php).",
)
rotation_group.add_argument(
"--z-axis-rotational-symmetry",
type=int,
required=False,
action=LargerThanZero,
default=1,
help="Integer value indicating the rotational symmetry of the template around "
"the z-axis. The length of the rotation search will be shortened through "
"division by this value. Only works for template symmetry around the z-axis.",
)
volume_group = parser.add_argument_group("Volume control")
volume_group.add_argument(
"-s",
"--volume-split",
nargs=3,
type=int,
required=False,
default=[1, 1, 1],
help="Split the volume into smaller parts for the search, "
"can be relevant if the volume does not fit into GPU memory. "
"Format is x y z, e.g. --volume-split 1 2 1",
)
volume_group.add_argument(
"--search-x",
nargs=2,
type=int,
required=False,
action=ParseSearch,
help="Start and end indices of the search along the x-axis, "
"e.g. --search-x 10 490 ",
)
volume_group.add_argument(
"--search-y",
nargs=2,
type=int,
required=False,
action=ParseSearch,
help="Start and end indices of the search along the y-axis, "
"e.g. --search-x 10 490 ",
)
volume_group.add_argument(
"--search-z",
nargs=2,
type=int,
required=False,
action=ParseSearch,
help="Start and end indices of the search along the z-axis, "
"e.g. --search-x 30 230 ",
)
volume_group.add_argument(
"--tomogram-mask",
type=pathlib.Path,
required=False,
action=CheckFileExists,
help="Here you can provide a mask for matching with dimensions equal to "
"the tomogram. If a subvolume only has values <= 0 for this mask it will be skipped.",
)
filter_group = parser.add_argument_group("Filter control")
filter_group.add_argument(
"-a",
"--tilt-angles",
nargs="+",
type=str,
required=True,
action=ParseTiltAngles,
help="Tilt angles of the tilt-series, either the minimum and maximum values of "
"the tilts (e.g. --tilt-angles -59.1 60.1) or a .rawtlt/.tlt file with all the "
"angles (e.g. --tilt-angles tomo101.rawtlt). In case all the tilt angles are "
"provided a more elaborate Fourier space constraint can be used",
)
filter_group.add_argument(
"--per-tilt-weighting",
action="store_true",
default=False,
required=False,
help="Flag to activate per-tilt-weighting, only makes sense if a file with all "
"tilt angles have been provided. In case not set, while a tilt angle file is "
"provided, the minimum and maximum tilt angle are used to create a binary "
"wedge. The base functionality creates a fanned wedge where each tilt is "
"weighted by cos(tilt_angle). If dose accumulation and CTF parameters are "
"provided these will all be incorporated in the tilt-weighting.",
)
filter_group.add_argument(
"--voxel-size-angstrom",
type=float,
required=False,
action=LargerThanZero,
help="Voxel spacing of tomogram/template in angstrom, if not provided will "
"try to read from the MRC files. Argument is important for band-pass "
"filtering!",
)
filter_group.add_argument(
"--low-pass",
type=float,
required=False,
action=LargerThanZero,
help="Apply a low-pass filter to the tomogram and template. Generally desired "
"if the template was already filtered to a certain resolution. "
"Value is the resolution in A.",
)
filter_group.add_argument(
"--high-pass",
type=float,
required=False,
action=LargerThanZero,
help="Apply a high-pass filter to the tomogram and template to reduce "
"correlation with large low frequency variations. Value is a resolution in A, "
"e.g. 500 could be appropriate as the CTF is often incorrectly modelled "
"up to 50nm.",
)
filter_group.add_argument(
"--dose-accumulation",
type=str,
required=False,
action=ParseDoseFile,
help="Here you can provide a file that contains the accumulated dose at each "
"tilt angle, assuming the same ordering of tilts as the tilt angle file. "
"Format should be a .txt file with on each line a dose value in e-/A2.",
)
filter_group.add_argument(
"--defocus",
type=str,
required=False,
action=ParseDefocus,
help="Here you can provide an IMOD defocus (.defocus) file (version 2 or 3) "
", a text (.txt) file with a single defocus value per line (in nm), "
"or a single "
"defocus value (in nm). "
"The value(s), together with the other ctf "
"parameters (amplitude contrast, voltage, spherical abberation), "
"will be used to create a 3D CTF weighting function. IMPORTANT: if "
"you provide this, the input template should not be modulated with a CTF "
"beforehand. If it is a reconstruction it should ideally be Wiener filtered.",
)
filter_group.add_argument(
"--amplitude-contrast",
type=float,
required=False,
action=BetweenZeroAndOne,
help="Amplitude contrast fraction for CTF.",
)
filter_group.add_argument(
"--spherical-aberration",
type=float,
required=False,
action=LargerThanZero,
help="Spherical aberration for CTF in mm.",
)
filter_group.add_argument(
"--voltage",
type=float,
required=False,
action=LargerThanZero,
help="Voltage for CTF in keV.",
)
filter_group.add_argument(
"--phase-shift",
type=float,
required=False,
default=0.0,
action=LargerThanZero,
help="Phase shift (in degrees) for the CTF to model phase plates.",
)
filter_group.add_argument(
"--tomogram-ctf-model",
required=False,
choices=["phase-flip"], # possible wiener filter mode to come?
help="Optionally, you can specify if and how the CTF was corrected during "
"reconstruction of the input tomogram. This allows "
"match-pick to match the weighting of the template to the tomogram. "
"Not using this option is appropriate if the CTF was left uncorrected in "
"the tomogram. Option 'phase-flip' : appropriate for IMOD's strip-based "
"phase flipping or reconstructions generated with "
"novaCTF/3dctf.",
)
filter_group.add_argument(
"--spectral-whitening",
action="store_true",
default=False,
required=False,
help="Calculate a whitening filtering from the power spectrum of the tomogram; "
"apply it to the tomogram patch and template. Effectively puts more weight on "
"high resolution features and sharpens the correlation peaks.",
)
additional_group = parser.add_argument_group("Additional options")
additional_group.add_argument(
"-r",
"--random-phase-correction",
action="store_true",
default=False,
required=False,
help="Run template matching simultaneously with a phase randomized version of "
"the template, and subtract this 'noise' map from the final score map. "
"For this method please see STOPGAP as a reference: "
"https://doi.org/10.1107/S205979832400295X .",
)
additional_group.add_argument(
"--rng-seed",
type=int,
action=LargerThanZero,
default=int.from_bytes(urandom(8)),
required=False,
help="Specify a seed for the random number generator used for phase "
"randomization for consistent results!",
)
device_group = parser.add_argument_group("Device control")
device_group.add_argument(
"-g",
"--gpu-ids",
nargs="+",
type=int,
required=True,
help="GPU indices to run the program on.",
)
debug_group = parser.add_argument_group("Logging/debugging")
debug_group.add_argument(
"--log",
type=str,
required=False,
default=20,
action=ParseLogging,
help="Can be set to `info` or `debug`",
)
args = parser.parse_args(argv)
logging.basicConfig(level=args.log, force=True)
# combine ctf values to ctf_params list of dicts
ctf_params = None
if args.defocus is not None:
if (
args.amplitude_contrast is None
or args.spherical_aberration is None
or args.voltage is None
):
raise ValueError(
"Cannot create 3D CTF weighting because one or multiple of "
"the required parameters (amplitude-contrast, "
"spherical-abberation or voltage) is/are missing."
)
phase_flip_correction = False
if (
args.tomogram_ctf_model is not None
and args.tomogram_ctf_model == "phase-flip"
):
phase_flip_correction = True
ctf_params = [
{
"defocus": defocus * 1e-6,
"amplitude_contrast": args.amplitude_contrast,
"voltage": args.voltage * 1e3,
"spherical_aberration": args.spherical_aberration * 1e-3,
"flip_phase": phase_flip_correction,
"phase_shift_deg": args.phase_shift,
}
for defocus in args.defocus
]
if args.angular_search is None and args.particle_diameter is None:
raise ValueError(
"Either the angular search should be specifically set or a particle "
"diameter should be provided to infer the angular search!"
)
job = TMJob(
"0",
args.log,
args.tomogram,
args.template,
args.mask,
args.destination,
angle_increment=args.angular_search,
mask_is_spherical=True
if args.non_spherical_mask is None
else (not args.non_spherical_mask),
tilt_angles=args.tilt_angles,
tilt_weighting=args.per_tilt_weighting,
search_x=args.search_x,
search_y=args.search_y,
search_z=args.search_z,
tomogram_mask=args.tomogram_mask,
voxel_size=args.voxel_size_angstrom,
low_pass=args.low_pass,
high_pass=args.high_pass,
dose_accumulation=args.dose_accumulation,
ctf_data=ctf_params,
whiten_spectrum=args.spectral_whitening,
rotational_symmetry=args.z_axis_rotational_symmetry,
particle_diameter=args.particle_diameter,
random_phase_correction=args.random_phase_correction,
rng_seed=args.rng_seed,
)
score_volume, angle_volume = run_job_parallel(
job, tuple(args.volume_split), args.gpu_ids
)
# set the appropriate headers when writing!
write_mrc(
args.destination.joinpath(f"{job.tomo_id}_scores.mrc"),
score_volume,
job.voxel_size,
)
write_mrc(
args.destination.joinpath(f"{job.tomo_id}_angles.mrc"),
angle_volume,
job.voxel_size,
)
# write the job as well
job.write_to_json(args.destination.joinpath(f"{job.tomo_id}_job.json"))
def merge_stars(argv=None):
import pandas as pd
parser = argparse.ArgumentParser(
description=(
"Merge multiple star files in the same directory. "
"-- Marten Chaillet (@McHaillet)"
)
)
parser.add_argument(
"-i",
"--input-dir",
type=pathlib.Path,
required=False,
default="./",
action=CheckDirExists,
help=(
"Directory with star files, "
"script will try to merge all files that end in '.star'."
),
)
parser.add_argument(
"-o",
"--output-file",
type=pathlib.Path,
required=False,
default="./particles.star",
help="Output star file name.",
)
parser.add_argument(
"--log",
type=str,
required=False,
default=20,
action=ParseLogging,
help="Can be set to `info` or `debug`",
)
args = parser.parse_args(argv)
logging.basicConfig(level=args.log, force=True)
files = [f for f in args.input_dir.iterdir() if f.suffix == ".star"]
if len(files) == 0:
raise ValueError("No starfiles in directory.")
logging.info("Concatting and writing star files")
dataframes = [starfile.read(f) for f in files]
starfile.write(
pd.concat(dataframes, ignore_index=True), args.output_file, overwrite=True
)