def test_chunks(self):
full_len = 10
chunk_len = 3
chunk_n = 2
# Generate a few random structures
elrnd = ['H', 'C', 'O', 'N']
asernd = []
for n in range(full_len):
aselen = np.random.randint(1, 10)
asernd.append(
Atoms(symbols=np.random.choice(elrnd, aselen),
positions=np.random.random((aselen, 3))))
testcoll = AtomsCollection(asernd)
# Test with size
chunks = testcoll.chunkify(chunk_size=chunk_len)
self.assertEqual(len(chunks), np.ceil(full_len / (1.0 * chunk_len)))
self.assertEqual(chunks[-1].length, full_len % chunk_len)
# Test with number
chunks = testcoll.chunkify(chunk_n=chunk_n)
self.assertEqual(len(chunks), chunk_n)
def test_loadarray(self):
g0 = Gene('latt_abc_len', 1.0, {})
c1 = AtomsCollection([Atoms('C'), Atoms('C')])
c1.set_array('latt_abc_len', [1, 2])
p1 = PhylogenCluster(c1, [])
p1.set_genes([g0], load_arrays=True)
self.assertTrue(np.all(p1.get_genome_vectors()[0] == [[1], [2]]))
def test_loadres(self):
# Load some test files and check if regular loading works
reslist = glob.glob(
os.path.join(_TESTDATA_DIR, 'rescollection', '*.res'))
testcoll = AtomsCollection(reslist)
self.assertEqual(testcoll.length, len(reslist))
# Now try the same, but with single atoms objects
aselist = [io.read(str(fname)) for fname in reslist]
testcoll = AtomsCollection(aselist)
self.assertEqual(testcoll.length, len(reslist))
def test_tree(self):
aselist = [Atoms('C'), Atoms('H'), Atoms('N'), Atoms('O')]
testcoll = AtomsCollection(aselist)
testcoll.save_tree('test_save', 'xyz', safety_check=2)
loadcoll = AtomsCollection.load_tree('test_save', 'xyz')
self.assertTrue(''.join(loadcoll.all.get_chemical_formula()) == 'CHNO')
# Try a custom save format
def custom_save(a, path, format_string):
with open(os.path.join(path, 'struct.custom'), 'w') as f:
f.write(format_string.format(''.join(
a.get_chemical_formula())))
def custom_load(path, marker):
with open(os.path.join(path, 'struct.custom')) as f:
l = f.read().strip()
return Atoms(l.split(marker)[1].strip())
testcoll.save_tree('test_save',
custom_save,
opt_args={'format_string': 'Formula:{0}'},
safety_check=2)
loadcoll = AtomsCollection.load_tree('test_save',
custom_load,
opt_args={'marker': ':'})
self.assertTrue(''.join(loadcoll.all.get_chemical_formula()) == 'CHNO')
def test_airss(self):
to_gen = 10
# Load the Al.cell file (capture the annoying ASE output...)
_stdout, sys.stdout = sys.stdout, StringIO()
agen = airssGen(os.path.join(_TESTDATA_DIR, 'Al.cell'), n=to_gen)
try:
acoll = AtomsCollection(agen)
except RuntimeError as e:
if 'Buildcell' in str(e):
sys.stdout = _stdout
# Then we just don't have the program
print('WARNING - The AIRSS generator could not be tested as '
'no AIRSS installation has been found on this system.')
return
else:
raise e
sys.stdout = _stdout
# Some basic checks
self.assertEqual(acoll.length, to_gen)
self.assertTrue(
all([chem == 'Al8' for chem in acoll.all.get_chemical_formula()]))
def load_muairss_collection(struct, params, batch_path=''):
# Output folder
out_path = os.path.join(batch_path, params['out_folder'])
load_formats = {
'dftb+': dftb_read_input,
'castep': castep_read_input,
'uep': uep_read_input
}
calcs = [s.strip().lower() for s in params['calculator'].split(',')]
if 'all' in calcs:
calcs = load_formats.keys()
loaded = {}
for cname in calcs:
opt_args = {}
if cname == 'uep':
opt_args['atoms'] = struct
calc_path = os.path.join(out_path, cname)
dc = AtomsCollection.load_tree(calc_path, load_formats[cname],
opt_args=opt_args, safety_check=2)
loaded[cname] = dc
return loaded
def test_cluster(self):
a1 = Atoms(cell=[1, 1, 1], info={'name': 'a1'})
a2 = Atoms(cell=[1, 1, 2], info={'name': 'a2'})
a3 = Atoms(cell=[3, 3, 3], info={'name': 'a3'})
c1 = AtomsCollection([a1, a2, a3])
p1 = PhylogenCluster(c1, [Gene('latt_abc_len', 1.0, {})])
clinds, clslice = p1.get_hier_clusters(0.5, method='complete')
getname = lambda a: a.info['name']
cnames = [sorted(c1[sl].all.map(getname)) for sl in clslice]
cnames.sort(key=lambda x: len(x))
self.assertTrue(cnames == [['a3'], ['a1', 'a2']])
# Retry with k-means
clustc = p1.get_kmeans_clusters(2)
cnames = [sorted(c1[sl].all.map(getname)) for sl in clslice]
cnames.sort(key=lambda x: len(x))
self.assertTrue(cnames == [['a3'], ['a1', 'a2']])
def test_diprotavg(self):
# Test dipolar rotational averaging
eth = io.read(os.path.join(_TESTDATA_DIR, 'ethanol.magres'))
from ase.quaternions import Quaternion
from soprano.properties.transform import Rotate
from soprano.collection import AtomsCollection
from soprano.collection.generate import transformGen
from soprano.properties.nmr import DipolarTensor
N = 30 # Number of averaging steps
axis = np.array([1.0, 1.0, 0])
axis /= np.linalg.norm(axis)
rot = Rotate(quaternion=Quaternion.from_axis_angle(
axis, 2*np.pi/N))
rot_eth = AtomsCollection(transformGen(eth, rot, N))
rot_dip = [D[(0, 1)]
for D in DipolarTensor.get(rot_eth, sel_i=[0], sel_j=[1])]
dip_avg_num = np.average(rot_dip, axis=0)
dip_tens = NMRTensor.make_dipolar(eth, 0, 1, rotation_axis=axis)
dip_avg_tens = dip_tens.data
self.assertTrue(np.allclose(dip_avg_num, dip_avg_tens))
# Test eigenvectors
evecs = dip_tens.eigenvectors
self.assertTrue(np.allclose(np.dot(evecs.T, evecs), np.eye(3)))
def generate_muairss_collection(struct, params):
if params["mu_symbol"] in struct.get_chemical_symbols():
print(
"WARNING: chosen muon symbol conflicts with existing elements in"
" the starting unit cell. This could cause mistakes"
)
# Make a supercell
sm = make_3x3(params["supercell"])
# ASE's make_supercell is weird, avoid if not necessary...
smdiag = np.diag(sm).astype(int)
if np.all(np.diag(smdiag) == sm):
scell0 = struct.repeat(smdiag)
else:
scell0 = make_supercell(struct, sm)
reduced_struct = find_primitive_structure(struct)
print("Generating defect configurations...")
# Seed the random generator
Random.reseed(params["random_seed"])
# Now generate the defect configurations
defect_gen = defectGen(
reduced_struct,
"H",
poisson_r=params["poisson_r"],
vdw_scale=params["vdw_scale"],
)
defect_collection = AtomsCollection(defect_gen)
print("{0} configurations generated".format(len(defect_collection)))
collection = []
for atoms in defect_collection:
# Where's the muon?
# We rely on the fact that it's always put at the first place
mupos = atoms.get_positions()[0]
scell = scell0.copy() + Atoms(
"H", positions=[mupos], masses=[constants.m_mu_amu]
)
# Add castep custom species
csp = scell0.get_chemical_symbols() + [params["mu_symbol"]]
scell.set_array("castep_custom_species", np.array(csp))
scell.set_pbc(params["dftb_pbc"])
collection.append(scell)
return AtomsCollection(collection)
def test_propertymap(self):
from soprano.properties.basic import NumAtoms
num_atoms = np.random.randint(1, 11, size=10)
coll = AtomsCollection([Atoms('H'*n) for n in num_atoms])
num_atoms_prop = coll.all.map(NumAtoms.get)
self.assertTrue((num_atoms == num_atoms_prop).all)
def test_linspace(self):
a1 = Atoms('CO', [[0.0, 0.0, 0.0], [0.0, 0.2, 0.0]], cell=[1] * 3)
a2 = Atoms('CO', [[0.0, 0.0, 0.0], [0.0, 0.8, 0.0]], cell=[1] * 3)
lgen = linspaceGen(a1, a2, steps=5, periodic=False)
lcoll = AtomsCollection(lgen)
self.assertTrue(
np.all(
np.isclose(lcoll.all.get_positions()[:, 1, 1],
np.linspace(0.2, 0.8, 5))))
# With periodicity
lgen = linspaceGen(a1, a2, steps=5, periodic=True)
lcoll = AtomsCollection(lgen)
self.assertTrue(
np.all(
np.isclose(lcoll.all.get_positions()[:, 1, 1],
np.linspace(0.2, -0.2, 5))))
def test_mapsel(self):
from soprano.collection import AtomsCollection
rand_el = ['H' if x > 0.5 else 'C' for x in np.random.random(10)]
coll = AtomsCollection([Atoms(el) for el in rand_el])
h_sel = coll.all.map(AtomSelection.from_element, element='H')
self.assertTrue(all([len(s) == 1 if rand_el[i] == 'H'
else len(s) == 0
for i, s in enumerate(h_sel)]))
def test_gene(self):
c1 = AtomsCollection([
Atoms('CCC',
positions=[[0, 0, 0], [0.2, 0, 0], [0.85, 0, 0]],
cell=[1] * 3)
])
g1 = Gene('linkage_list', 1.0, {'size': 3})
p1 = PhylogenCluster(c1, [g1])
graw = p1.get_genome_vectors()
self.assertTrue(np.allclose(graw[0], [0.15, 0.2, 0.35]))
def test_save(self):
# Test saving and loading collection
testcoll = AtomsCollection([Atoms('H')])
testcoll.set_array('test', np.array([2]))
outf = os.path.join(_TEST_DIR, 'collection.pkl')
testcoll.save(outf)
# Reload
testcoll = AtomsCollection.load(outf)
self.assertEqual(testcoll.get_array('test')[0], 2)
os.remove(outf)
def test_calculator(self):
from ase.calculators.test import TestPotential
from ase.calculators.lj import LennardJones
# Generate a few random structures
elrnd = ['H', 'C', 'O', 'N']
asernd = []
for n in range(4):
aselen = np.random.randint(2, 10)
asernd.append(
Atoms(symbols=np.random.choice(elrnd, aselen),
positions=np.random.random((aselen, 3))))
testcoll = AtomsCollection(asernd)
testcoll.set_calculators(LennardJones,
labels=['a', 'b', 'c', 'd'],
params={'epsilon': 1.2})
testcoll.run_calculators()
def extract_nrg(s):
return s.calc.results['energy']
energies = np.array(testcoll.all.map(extract_nrg))
self.assertTrue(not np.isnan(energies).any())
def test_dummyprop(self):
# Define a dummy derived property and test it
class DummyProperty(AtomsProperty):
default_name = 'dummy'
default_params = {'mul': 2.0}
@staticmethod
def extract(s, mul):
return s.positions.shape[0] * mul
# Now two atoms objects to test it on
a1 = Atoms('C')
a2 = Atoms('CC')
dummyDoubled = DummyProperty(name='doubledummy', mul=4)
self.assertEqual(DummyProperty.get(a1), 2.0)
self.assertEqual(dummyDoubled(a2), 8.0)
# Also check that improper parameters are rejected
self.assertRaises(ValueError, DummyProperty, wrong='this is wrong')
# Test behaviour on a collection instead
c1 = AtomsCollection([a1, a2])
c2 = AtomsCollection([a2, a1])
DummyProperty.get(c1, store_array=True)
dummyDoubled(c2, store_array=True)
self.assertTrue(np.all(c1.get_array('dummy') == [2, 4]))
self.assertTrue(np.all(c2.get_array('doubledummy') == [8, 4]))
def test_slices(self):
aselist = [Atoms('C'), Atoms('C'), Atoms('H'), Atoms('C')]
testcoll = AtomsCollection(aselist)
coll_h = testcoll[2]
coll_c = testcoll[(0, 1, 3)]
self.assertTrue(
all([f == 'H' for f in coll_h.all.get_chemical_formula()]))
self.assertTrue(
all([f == 'C' for f in coll_c.all.get_chemical_formula()]))
def generate_muairss_collection(struct, params):
if params['mu_symbol'] in struct.get_chemical_symbols():
print('WARNING: chosen muon symbol conflicts with existing elements in'
' the starting unit cell. This could cause mistakes')
# Make a supercell
sm = make_3x3(params['supercell'])
# ASE's make_supercell is weird, avoid if not necessary...
smdiag = np.diag(sm).astype(int)
if np.all(np.diag(smdiag) == sm):
scell0 = struct.repeat(smdiag)
else:
scell0 = make_supercell(struct, sm)
reduced_struct = find_primitive_structure(struct)
print('Generating defect configurations...')
# Now generate the defect configurations
defect_gen = defectGen(reduced_struct,
'H',
poisson_r=params['poisson_r'],
vdw_scale=params['vdw_scale'])
defect_collection = AtomsCollection(defect_gen)
print('{0} configurations generated'.format(len(defect_collection)))
collection = []
for atoms in defect_collection:
# Where's the muon?
# We rely on the fact that it's always put at the first place
mupos = atoms.get_positions()[0]
scell = scell0.copy() + Atoms('H', positions=[mupos])
# Add castep custom species
csp = scell0.get_chemical_symbols() + [params['mu_symbol']]
scell.set_array('castep_custom_species', np.array(csp))
scell.set_pbc(params['dftb_pbc'])
collection.append(scell)
return AtomsCollection(collection)
def test_customgene(self):
c1 = AtomsCollection(
[Atoms('C', positions=[[i / 5.0, 0, 0]]) for i in range(5)])
# First, check failure
self.assertRaises(RuntimeError, Gene, 'first_x_coord')
# Then actual success
def first_x_parser(c):
return np.array(c.all.get_positions())[:, 0, 0]
g1 = Gene('first_x_coord', parser=first_x_parser)
self.assertTrue(np.all(g1.evaluate(c1) == [i / 5.0 for i in range(5)]))
def test_loadgene(self):
gfpath = os.path.join(_TESTDATA_DIR, 'testfile.gene')
g0 = Gene('latt_abc_len', 1.0, {})
g1 = Gene('linkage_list', 0.5, {'size': 3})
glist = load_genefile(gfpath)
self.assertEqual(glist[0], g0)
self.assertEqual(glist[1], g1)
# Now test that it works also when instantiating a cluster
c1 = AtomsCollection(
[Atoms('CCC', positions=np.random.random((3, 3)), cell=[1] * 3)])
p1 = PhylogenCluster(c1, gfpath)
def test_arrays(self):
# Generate a few random structures
elrnd = ['H', 'C', 'O', 'N']
asernd = []
for n in range(4):
aselen = np.random.randint(1, 10)
asernd.append(
Atoms(symbols=np.random.choice(elrnd, aselen),
positions=np.random.random((aselen, 3))))
testcoll = AtomsCollection(asernd)
# Now try assigning some arrays
arr = np.arange(testcoll.length)
testcoll.set_array('testarr', arr, shape=(1, ))
testcoll.set_array('testarr_2', list(zip(arr, arr)), shape=(2, ))
testcoll.set_array('testarr_func',
lambda a: len(a.get_positions()),
shape=(1, ))
self.assertTrue(np.all(testcoll.get_array('testarr') == arr))
def test_rattle(self):
a = Atoms('CO', [[0.0, 0.0, 0.0], [0.0, 0.5, 0.0]])
pos = a.get_positions()
# Some exception tests
wronggen = rattleGen(a, [3, 4, 5])
self.assertRaises(ValueError, next, wronggen)
wronggen = rattleGen(a, [[1, 2], [4, 5]])
self.assertRaises(ValueError, next, wronggen)
rgen = rattleGen(a, [[0.01, 0, 0], [0, 0.02, 0]])
rcoll = AtomsCollection(rgen)
rpos = rcoll.all.get_positions()
self.assertTrue(np.all(np.abs((rpos - pos)[:, 0, 0]) <= 0.01))
self.assertTrue(np.all(np.abs((rpos - pos)[:, 1, 1]) <= 0.02))
def test_defect(self):
si2 = bulk('Si')
poisson_r = 0.5
dGen = defectGen(si2, 'H', poisson_r)
dColl = AtomsCollection(dGen)
dPos = dColl.all.get_positions()[:, 0]
holds = True
for i, p1 in enumerate(dPos[:-1]):
vecs, _ = minimum_periodic(dPos[i + 1:] - p1, si2.get_cell())
p_holds = (np.linalg.norm(vecs, axis=1) >= poisson_r).all()
holds = holds and p_holds
self.assertTrue(holds)
def test_coordhist(self):
ala = ase.io.read(os.path.join(_TESTDATA_DIR, 'mol_crystal.cif'))
nh3 = ase.io.read(os.path.join(_TESTDATA_DIR, 'nh3.cif'))
c = AtomsCollection([ala, nh3])
g = Gene('coord_histogram')
h = g.evaluate(c)
self.assertTrue((h[0] == [0, 4, 0, 4, 0, 0, 0]).all())
self.assertTrue((h[1] == 0).all()) # No C at all in this one
# Now for something different...
g = Gene('coord_histogram', params={'s1': 'N'})
h = g.evaluate(c)
self.assertTrue((h[0] == [0, 0, 0, 4, 0, 0, 0]).all()) # 4 NH3 groups
self.assertTrue((h[1] == [0, 0, 0, 1, 0, 0, 0]).all())
def test_sum(self):
# Generate a few random structures
elrnd = ['H', 'C', 'O', 'N']
asernd = []
for n in range(4):
aselen = np.random.randint(1, 10)
asernd.append(
Atoms(symbols=np.random.choice(elrnd, aselen),
positions=np.random.random((aselen, 3))))
testcoll1 = AtomsCollection(asernd[:2])
testcoll2 = AtomsCollection(asernd[2:])
testcoll1.set_array('joint', ['t', 'e'])
testcoll2.set_array('joint', ['s', 't'])
testcoll = testcoll1
testcoll += testcoll2
self.assertTrue(''.join(testcoll.get_array('joint')) == 'test')
def load_muairss_collection(struct, params, batch_path=""):
# Output folder
out_path = os.path.join(batch_path, params["out_folder"])
io_formats = {
"castep": ReadWriteCastep,
"dftb+": ReadWriteDFTB,
"uep": ReadWriteUEP,
}
calcs = [s.strip().lower() for s in params["calculator"].split(",")]
if "all" in calcs:
calcs = io_formats.keys()
loaded = {}
for cname in calcs:
rw = io_formats[cname](params)
calc_path = os.path.join(out_path, cname)
dc = AtomsCollection.load_tree(
calc_path, rw.read, safety_check=2, tolerant=True
)
alln = len(glob.glob(calc_path + "/*"))
total_structures = len(dc.structures)
if total_structures == 0:
return
elif total_structures / alln < 0.9:
print(
"""If more than 10% of structures could not be loaded,
we advise adjusting the parameters and re-running the {0}
optimisation for the structures that failed.""".format(
cname
)
)
loaded[cname] = dc
return loaded
def test_sorting(self):
# Generate a few structures
struct_n = 5
aselist = []
for n in range(struct_n):
aselist.append(Atoms())
testcoll = AtomsCollection(aselist)
testcoll.set_array('sorter', np.array(range(struct_n, 0, -1)))
testcoll.set_array('sorted', np.array(range(1, struct_n + 1)))
testcoll = testcoll.sorted_byarray('sorter')
self.assertTrue(
np.all(testcoll.get_array('sorted') == range(struct_n, 0, -1)))
def load_muairss_collection(struct, params, batch_path=''):
# Output folder
out_path = os.path.join(batch_path, params['out_folder'])
io_formats = {
'castep': ReadWriteCastep,
'dftb+': ReadWriteDFTB,
'uep': ReadWriteUEP
}
calcs = [s.strip().lower() for s in params['calculator'].split(',')]
if 'all' in calcs:
calcs = io_formats.keys()
loaded = {}
for cname in calcs:
rw = io_formats[cname](params)
calc_path = os.path.join(out_path, cname)
dc = AtomsCollection.load_tree(calc_path,
rw.read,
safety_check=2,
tolerant=True)
print("If more than 10% of structures could not be loaded, \
we advise adjusting the parameters and re-running the {0} \
optimisation for the structures that failed.".format(cname))
total_structures = len(dc.structures)
if total_structures == 0:
return
loaded[cname] = dc
return loaded
def muon_vibrational_average_write(structure,
method="independent",
mu_index=-1,
mu_symbol="H:mu",
grid_n=20,
sigma_n=3,
avgprop="hyperfine",
calculator="castep",
displace_T=0,
phonon_source_file=None,
phonon_source_type="castep",
**kwargs):
"""
Write input files to compute a vibrational average for a quantity on a muon
in a given system.
| Pars:
| structure (str): Filename for input structure file
| method (str): Method to use for the average. Options are
| 'independent', 'montecarlo'.
| Default is 'independent'.
| mu_index (int): Position of the muon in the given cell file.
| Default is -1.
| mu_symbol (str): Use this symbol to look for the muon among
| CASTEP custom species. Overrides muon_index if
| present in cell.
| grid_n (int): Number of configurations used for sampling.
| Applies slightly
| differently to different schemes.
| sigma_n (int): Number of sigmas of the harmonic wavefunction used
| for sampling.
| avgprop (str): Property to calculate and average. Default is
| 'hyperfine'.
| calculator (str): Source of the property to calculate and average.
| Can be 'castep' or 'dftb+'. Default is 'castep'.
| phonon_source (str):Source of the phonon data. Can be 'castep' or
| 'asedftbp'. Default is 'castep'.
| **kwargs: Other arguments (such as specific arguments for
| the given phonon method)
"""
# Open the structure file
with silence_stdio():
cell = io.read(structure)
path = os.path.split(structure)[0]
sname = seedname(structure)
cell.info["name"] = sname
# Fetch species
try:
species = cell.get_array("castep_custom_species")
except KeyError:
species = np.array(cell.get_chemical_symbols())
mu_indices = np.where(species == mu_symbol)[0]
if len(mu_indices) > 1:
raise MuonAverageError("More than one muon found in the system")
elif len(mu_indices) == 1:
mu_index = mu_indices[0]
else:
species = list(species)
species[mu_index] = mu_symbol
species = np.array(species)
cell.set_array("castep_custom_species", species)
io_formats = {"castep": ReadWriteCastep, "dftb+": ReadWriteDFTB}
# Load the phonons
if phonon_source_file is not None:
phpath, phfile = os.path.split(phonon_source_file)
phfile = seedname(seedname(phfile)) # have to do twice for dftb case
else:
phpath = path
phfile = sname
try:
rw = io_formats[phonon_source_type]()
atoms = rw.read(phpath, phfile, read_phonons=True)
ph_evals = atoms.info["ph_evals"]
ph_evecs = atoms.info["ph_evecs"]
except IOError:
raise
return
except KeyError:
phonon_source_file = os.path.join(phpath, phfile + ".phonon")
if phonon_source_type == "dftb+":
phonon_source_file = phonon_source_file + "s.pkl"
raise (IOError(
"Phonon file {0} could not be read.".format(phonon_source_file)))
return
# Fetch masses
try:
masses = parse_castep_masses(cell)
except AttributeError:
# Just fall back on ASE standard masses if not available
masses = cell.get_masses()
masses[mu_index] = constants.m_mu_amu
cell.set_masses(masses)
# Now create the distribution scheme
if method == "independent":
displsch = IndependentDisplacements(ph_evals, ph_evecs, masses,
mu_index, sigma_n)
elif method == "montecarlo":
# Set seed
np.random.seed(kwargs["random_seed"])
displsch = MonteCarloDisplacements(ph_evals, ph_evecs, masses)
displsch.recalc_displacements(n=grid_n, T=displace_T)
# Make it a collection
pos = cell.get_positions()
displaced_cells = []
for i, d in enumerate(displsch.displacements):
dcell = cell.copy()
dcell.set_positions(pos + d)
if calculator == "dftb" and not kwargs["dftb_pbc"]:
dcell.set_pbc(False)
dcell.info["name"] = sname + "_displaced_{0}".format(i)
displaced_cells.append(dcell)
if kwargs["write_allconf"]:
# Write a global configuration structure
allconf = sum(displaced_cells, cell.copy())
with silence_stdio():
if all(allconf.get_pbc()):
io.write(sname + "_allconf.cell", allconf)
else:
io.write(sname + "_allconf.xyz", allconf)
# Get a calculator
if calculator == "castep":
params = {
"castep_param": kwargs["castep_param"],
"k_points_grid": kwargs["k_points_grid"],
"mu_symbol": mu_symbol,
}
io_format = ReadWriteCastep(params=params,
calc=cell.calc,
script=kwargs["script_file"])
opt_args = {"calc_type": "MAGRES"}
elif calculator == "dftb+":
params = {
"dftb_set":
kwargs["dftb_set"],
"dftb_pbc":
kwargs["dftb_pbc"],
"k_points_grid":
kwargs["k_points_grid"] if kwargs["dftb_pbc"] else None,
}
io_format = ReadWriteDFTB(params=params,
calc=cell.calc,
script=kwargs["script_file"])
opt_args = {"calc_type": "SPINPOL"}
displaced_coll = AtomsCollection(displaced_cells)
displaced_coll.info["displacement_scheme"] = displsch
displaced_coll.info["muon_index"] = mu_index
displaced_coll.save_tree(sname + "_displaced",
io_format.write,
opt_args=opt_args)
parser.add_argument('-corrmat_minforce', type=float, default=0.01,
help="Correlation matrix minimum force")
parser.add_argument('-corrmat_maxforce', type=float, default=1.0,
help="Correlation matrix maximum force")
parser.add_argument('-savepkl', type=str, default=None,
help="Directory to save collection as pickle file")
args = parser.parse_args()
# First, parse the gene list
gene_list = load_genefile(args.seedname + '.gene')
# Then create an AtomsCollection
if not args.pkl:
aC = AtomsCollection(args.input_files,
info={'name': args.seedname},
cell_reduce=True,
progress=True)
else:
aC = AtomsCollection([])
for f in args.input_files:
aC += AtomsCollection.load(f)
# Take only n lowest energies if required
if (args.n is not None):
# Sort by energy
CalcEnergy.get(aC, store_array=True)
aC = aC.sorted_byarray('calc_energy')[:args.n]
#discard_Z = args.Z is not None
# Calculate genomes