def main(args):
log = logging.getLogger(__name__)
log.setLevel(logging.INFO)
hdlr = logging.StreamHandler(sys.stdout)
if args.quiet:
hdlr.setLevel(logging.WARNING)
else:
hdlr.setLevel(logging.INFO)
log.addHandler(hdlr)
if args.markers is None and args.target is None and args.sym is None:
log.error(
"A marker or symmetry group must be provided via --target, --markers, or --sym"
)
return 1
elif args.sym is None and args.markers is None and args.boxsize is None and args.origin is None:
log.error(
"An origin must be provided via --boxsize, --origin, or --markers")
return 1
elif args.sym is not None and args.markers is None and args.target is None and \
(args.boxsize is not None or args.origin is not None):
log.warn("Symmetry expansion alone will ignore --target or --origin")
if args.target is not None:
try:
args.target = np.array(
[np.double(tok) for tok in args.target.split(",")])
except:
log.error(
"Target must be comma-separated list of x,y,z coordinates")
return 1
if args.origin is not None:
if args.boxsize is not None:
logger.warn("--origin supersedes --boxsize")
try:
args.origin = np.array(
[np.double(tok) for tok in args.origin.split(",")])
except:
log.error(
"Origin must be comma-separated list of x,y,z coordinates")
return 1
if args.marker_sym is not None:
args.marker_sym = relion_symmetry_group(args.marker_sym)
star = parse_star(args.input, keep_index=False)
if args.apix is None:
args.apix = calculate_apix(star)
if args.apix is None:
logger.warn(
"Could not compute pixel size, default is 1.0 Angstroms per pixel"
)
args.apix = 1.0
if args.cls is not None:
star = select_classes(star, args.cls)
cmms = []
if args.markers is not None:
cmmfiles = glob.glob(args.markers)
for cmmfile in cmmfiles:
for cmm in parse_cmm(cmmfile):
cmms.append(cmm / args.apix)
if args.target is not None:
cmms.append(args.target / args.apix)
stars = []
if len(cmms) > 0:
if args.origin is not None:
args.origin /= args.apix
elif args.boxsize is not None:
args.origin = np.ones(3) * args.boxsize / 2
else:
log.warn("Using first marker as origin")
if len(cmms) == 1:
log.error(
"Using first marker as origin, expected at least two markers"
)
return 1
args.origin = cmms[0]
cmms = cmms[1:]
markers = [cmm - args.origin for cmm in cmms]
if args.marker_sym is not None and len(markers) == 1:
markers = [op.dot(markers[0]) for op in args.marker_sym]
elif args.marker_sym is not None:
log.error(
"Exactly one marker is required for symmetry-derived subparticles"
)
return 1
rots = [euler2rot(*np.deg2rad(r[1])) for r in star[ANGLES].iterrows()]
#origins = star[ORIGINS].copy()
for m in markers:
d = np.linalg.norm(m)
ax = m / d
op = euler2rot(
*np.array([np.arctan2(ax[1], ax[0]),
np.arccos(ax[2]), 0.]))
stars.append(transform_star(star, op.T, -d, rots=rots))
if args.sym is not None:
args.sym = relion_symmetry_group(args.sym)
if len(stars) > 0:
stars = [
se for se in subparticle_expansion(
s, args.sym, -args.displacement / args.apix) for s in stars
]
else:
stars = list(
subparticle_expansion(star, args.sym,
-args.displacement / args.apix))
if args.recenter:
for s in stars:
recenter(s, inplace=True)
if args.suffix is None and not args.skip_join:
if len(stars) > 1:
star = interleave(stars)
else:
star = stars[0]
write_star(args.output, star)
else:
for i, star in enumerate(stars):
write_star(os.path.join(args.output, args.suffix + "_%d" % i),
star)
return 0
def main(args):
log = logging.getLogger(__name__)
log.setLevel(logging.INFO)
hdlr = logging.StreamHandler(sys.stdout)
if args.quiet:
hdlr.setLevel(logging.WARNING)
else:
hdlr.setLevel(logging.INFO)
log.addHandler(hdlr)
if args.target is None and args.sym is None:
log.error(
"At least a target or symmetry group must be provided via --target or --sym"
)
return 1
elif args.target is not None and args.boxsize is None and args.origin is None:
log.error("An origin must be provided via --boxsize or --origin")
return 1
if args.target is not None:
try:
args.target = np.array(
[np.double(tok) for tok in args.target.split(",")])
except:
log.error(
"Target must be comma-separated list of x,y,z coordinates")
return 1
if args.origin is not None:
if args.boxsize is not None:
log.warn("--origin supersedes --boxsize")
try:
args.origin = np.array(
[np.double(tok) for tok in args.origin.split(",")])
except:
log.error(
"Origin must be comma-separated list of x,y,z coordinates")
return 1
if args.sym is not None:
args.sym = util.relion_symmetry_group(args.sym)
df = star.parse_star(args.input)
if args.apix is None:
args.apix = star.calculate_apix(df)
if args.apix is None:
log.warn(
"Could not compute pixel size, default is 1.0 Angstroms per pixel"
)
args.apix = 1.0
df[star.Relion.MAGNIFICATION] = 10000
df[star.DETECTORPIXELSIZE] = 1.0
if args.cls is not None:
df = star.select_classes(df, args.cls)
if args.target is not None:
if args.origin is not None:
args.origin /= args.apix
elif args.boxsize is not None:
args.origin = np.ones(3) * args.boxsize / 2
args.target /= args.apix
c = args.target - args.origin
c = np.where(np.abs(c) < 1, 0, c) # Ignore very small coordinates.
d = np.linalg.norm(c)
ax = c / d
cm = util.euler2rot(*np.array(
[np.arctan2(ax[1], ax[0]),
np.arccos(ax[2]),
np.deg2rad(args.psi)]))
ops = [op.dot(cm) for op in args.sym] if args.sym is not None else [cm]
dfs = [
star.transform_star(df,
op.T,
-d,
rotate=args.shift_only,
invert=args.target_invert,
adjust_defocus=args.adjust_defocus)
for op in ops
]
elif args.sym is not None:
dfs = list(
subparticle_expansion(df, args.sym,
-args.displacement / args.apix))
else:
log.error(
"At least a target or symmetry group must be provided via --target or --sym"
)
return 1
if args.recenter:
for s in dfs:
star.recenter(s, inplace=True)
if args.suffix is None and not args.skip_join:
if len(dfs) > 1:
df = util.interleave(dfs)
else:
df = dfs[0]
star.write_star(args.output, df)
else:
for i, s in enumerate(dfs):
star.write_star(os.path.join(args.output, args.suffix + "_%d" % i),
s)
return 0
def main(args):
log = logging.getLogger(__name__)
hdlr = logging.StreamHandler(sys.stdout)
log.addHandler(hdlr)
log.setLevel(logging.getLevelName(args.loglevel.upper()))
if args.target is None and args.sym is None and args.transform is None and args.euler is None:
log.error("At least a target, transformation matrix, Euler angles, or a symmetry group must be provided")
return 1
elif (args.target is not None or args.transform is not None) and args.boxsize is None and args.origin is None:
log.error("An origin must be provided via --boxsize or --origin")
return 1
if args.apix is None:
df = star.parse_star(args.input, nrows=1)
args.apix = star.calculate_apix(df)
if args.apix is None:
log.warn("Could not compute pixel size, default is 1.0 Angstroms per pixel")
args.apix = 1.0
df[star.Relion.MAGNIFICATION] = 10000
df[star.Relion.DETECTORPIXELSIZE] = 1.0
if args.target is not None:
try:
args.target = np.array([np.double(tok) for tok in args.target.split(",")])
except:
log.error("Target must be comma-separated list of x,y,z coordinates")
return 1
if args.euler is not None:
try:
args.euler = np.deg2rad(np.array([np.double(tok) for tok in args.euler.split(",")]))
args.transform = np.zeros((3, 4))
args.transform[:, :3] = geom.euler2rot(*args.euler)
if args.target is not None:
args.transform[:, -1] = args.target
except:
log.error("Euler angles must be comma-separated list of rotation, tilt, skew in degrees")
return 1
if args.transform is not None and not hasattr(args.transform, "dtype"):
if args.target is not None:
log.warn("--target supersedes --transform")
try:
args.transform = np.array(json.loads(args.transform))
except:
log.error("Transformation matrix must be in JSON/Numpy format")
return 1
if args.origin is not None:
if args.boxsize is not None:
log.warn("--origin supersedes --boxsize")
try:
args.origin = np.array([np.double(tok) for tok in args.origin.split(",")])
args.origin /= args.apix
except:
log.error("Origin must be comma-separated list of x,y,z coordinates")
return 1
elif args.boxsize is not None:
args.origin = np.ones(3) * args.boxsize / 2
if args.sym is not None:
args.sym = util.relion_symmetry_group(args.sym)
df = star.parse_star(args.input)
if star.calculate_apix(df) != args.apix:
log.warn("Using specified pixel size of %f instead of calculated size %f" %
(args.apix, star.calculate_apix(df)))
if args.cls is not None:
df = star.select_classes(df, args.cls)
if args.target is not None:
args.target /= args.apix
c = args.target - args.origin
c = np.where(np.abs(c) < 1, 0, c) # Ignore very small coordinates.
d = np.linalg.norm(c)
ax = c / d
r = geom.euler2rot(*np.array([np.arctan2(ax[1], ax[0]), np.arccos(ax[2]), np.deg2rad(args.psi)]))
d = -d
elif args.transform is not None:
r = args.transform[:, :3]
if args.transform.shape[1] == 4:
d = args.transform[:, -1] / args.apix
d = r.dot(args.origin) + d - args.origin
else:
d = 0
elif args.sym is not None:
r = np.identity(3)
d = -args.displacement / args.apix
else:
log.error("At least a target or symmetry group must be provided via --target or --sym")
return 1
log.debug("Final rotation: %s" % str(r).replace("\n", "\n" + " " * 16))
ops = [op.dot(r.T) for op in args.sym] if args.sym is not None else [r.T]
log.debug("Final translation: %s (%f px)" % (str(d), np.linalg.norm(d)))
dfs = list(subparticle_expansion(df, ops, d, rotate=args.shift_only, invert=args.invert, adjust_defocus=args.adjust_defocus))
if args.recenter:
for s in dfs:
star.recenter(s, inplace=True)
if args.suffix is None and not args.skip_join:
if len(dfs) > 1:
df = util.interleave(dfs)
else:
df = dfs[0]
df = star.compatible(df, relion2=args.relion2, inplace=True)
star.write_star(args.output, df, optics=(not args.relion2))
else:
for i, s in enumerate(dfs):
s = star.compatible(s, relion2=args.relion2, inplace=True)
star.write_star(os.path.join(args.output, args.suffix + "_%d" % i), s, optics=(not args.relion2))
return 0