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phono3py/phono3py/cui/phono3py_script.py

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"""Phono3py main command line script."""
# Copyright (C) 2020 Atsushi Togo
# All rights reserved.
#
# This file is part of phono3py.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# * Neither the name of the phonopy project nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
from __future__ import annotations
import argparse
import datetime
import pathlib
import sys
from typing import Optional
import numpy as np
from phonopy.cui.collect_cell_info import collect_cell_info
from phonopy.cui.phonopy_argparse import show_deprecated_option_warnings
from phonopy.cui.phonopy_script import (
file_exists,
print_end,
print_error,
print_error_message,
print_version,
set_magnetic_moments,
store_nac_params,
)
from phonopy.exception import ForceCalculatorRequiredError
from phonopy.file_IO import is_file_phonopy_yaml
from phonopy.harmonic.force_constants import show_drift_force_constants
from phonopy.interface.calculator import get_default_physical_units
from phonopy.phonon.band_structure import get_band_qpoints
from phonopy.structure.cells import isclose as cells_isclose
from phonopy.units import Bohr, Hartree, VaspToTHz
from phono3py import Phono3py, Phono3pyIsotope, Phono3pyJointDos
from phono3py.cui.create_force_constants import (
create_phono3py_force_constants,
get_fc_calculator_params,
)
from phono3py.cui.create_force_sets import (
create_FORCE_SETS_from_FORCES_FCx,
create_FORCES_FC2_from_FORCE_SETS,
create_FORCES_FC3_and_FORCES_FC2,
)
from phono3py.cui.create_supercells import create_phono3py_supercells
from phono3py.cui.load import (
compute_force_constants_from_datasets,
set_dataset_and_force_constants,
)
from phono3py.cui.phono3py_argparse import get_parser
from phono3py.cui.settings import Phono3pyConfParser, Phono3pySettings
from phono3py.cui.show_log import (
show_general_settings,
show_phono3py_cells,
show_phono3py_settings,
)
from phono3py.cui.triplets_info import show_num_triplets, write_grid_points
from phono3py.file_IO import (
read_phonon_from_hdf5,
write_fc2_to_hdf5,
write_fc3_to_hdf5,
write_phonon_to_hdf5,
)
from phono3py.interface.phono3py_yaml import Phono3pyYaml
from phono3py.phonon.grid import get_grid_point_from_address, get_ir_grid_points
from phono3py.phonon3.dataset import forces_in_dataset
from phono3py.phonon3.fc3 import show_drift_fc3
from phono3py.phonon3.gruneisen import run_gruneisen_parameters
from phono3py.version import __version__
# import logging
# logging.basicConfig()
# logging.getLogger("phono3py.phonon3.fc3").setLevel(level=logging.DEBUG)
# AA is created at http://www.network-science.de/ascii/.
def print_phono3py():
"""Show phono3py logo."""
print(
r""" _ _____
_ __ | |__ ___ _ __ ___|___ / _ __ _ _
| '_ \| '_ \ / _ \| '_ \ / _ \ |_ \| '_ \| | | |
| |_) | | | | (_) | | | | (_) |__) | |_) | |_| |
| .__/|_| |_|\___/|_| |_|\___/____/| .__/ \__, |
|_| |_| |___/ """
)
print_version(__version__, package_name="phono3py")
print_time()
def print_end_phono3py():
"""Print END logo."""
print_time()
print_end()
def print_time():
"""Print current time."""
print(
"-------------------------"
f'[time {datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")}]'
"-------------------------"
)
def finalize_phono3py(
phono3py: Phono3py,
confs_dict,
log_level,
write_displacements=False,
filename=None,
):
"""Write phono3py.yaml and then exit.
Parameters
----------
phono3py : Phono3py
Phono3py instance.
confs_dict : dict
This contains the settings and command options that the user set.
log_level : int
Log level. 0 means quiet.
write_displacements : Bool
When True, crystal structure is written in the length unit of
calculator interface in phono3py_disp.yaml. Otherwise, the
default unit (angstrom) is used.
filename : str, optional
phono3py.yaml is written in this filename.
"""
if filename is None:
yaml_filename = "phono3py.yaml"
else:
yaml_filename = filename
if phono3py.mlp_dataset is not None:
mlp_eval_filename = "phono3py_mlp_eval_dataset.yaml"
if log_level:
print(
f'Dataset generated using MMLPs was written in "{mlp_eval_filename}".'
)
phono3py.save(mlp_eval_filename)
_physical_units = get_default_physical_units(phono3py.calculator)
ph3py_yaml = Phono3pyYaml(
configuration=confs_dict,
calculator=phono3py.calculator,
physical_units=_physical_units,
settings={
"force_sets": False,
"displacements": write_displacements,
},
)
ph3py_yaml.set_phonon_info(phono3py)
with open(yaml_filename, "w") as w:
w.write(str(ph3py_yaml))
if log_level > 0:
if write_displacements:
print(f'Displacement dataset was written in "{yaml_filename}".')
else:
print(f'Summary of calculation was written in "{yaml_filename}".')
print_end_phono3py()
sys.exit(0)
def get_run_mode(settings):
"""Extract run mode from settings."""
run_mode = None
if settings.is_gruneisen:
run_mode = "gruneisen"
elif settings.is_joint_dos:
run_mode = "jdos"
elif settings.is_isotope and not (settings.is_bterta or settings.is_lbte):
run_mode = "isotope"
elif settings.is_imag_self_energy:
run_mode = "imag_self_energy"
elif settings.is_real_self_energy:
run_mode = "real_self_energy"
elif settings.is_spectral_function:
run_mode = "spectral_function"
elif settings.is_bterta:
run_mode = "conductivity-RTA"
elif settings.is_lbte:
run_mode = "conductivity-LBTE"
elif settings.create_displacements:
run_mode = "displacements"
elif settings.write_phonon:
run_mode = "phonon"
return run_mode
def start_phono3py(**argparse_control) -> tuple[argparse.Namespace, int]:
"""Parse arguments and set some basic parameters."""
parser, deprecated = get_parser(**argparse_control)
args = parser.parse_args()
# Log level
log_level = 1
if args.verbose:
log_level = 2
if args.quiet:
log_level = 0
if args.log_level is not None:
log_level = args.log_level
# Title
if log_level:
print_phono3py()
import phono3py._phono3py as phono3c
max_threads = phono3c.omp_max_threads()
if max_threads > 0:
print(f"Compiled with OpenMP support (max {max_threads} threads).")
if argparse_control.get("load_phono3py_yaml", False):
print("Running in phono3py.load mode.")
print("Python version %d.%d.%d" % sys.version_info[:3])
import spglib
try: # spglib.get_version() is deprecated.
print(f"Spglib version {spglib.spg_get_version()}")
except AttributeError:
print("Spglib version %d.%d.%d" % spglib.get_version())
if deprecated:
show_deprecated_option_warnings(deprecated)
return args, log_level
def read_phono3py_settings(args, argparse_control, log_level):
"""Read phono3py settings.
From:
* Traditional configuration file.
* phono3py.yaml type file
* Command line options
"""
load_phono3py_yaml = argparse_control.get("load_phono3py_yaml", False)
if len(args.filename) > 0:
file_exists(args.filename[0], log_level=log_level)
if load_phono3py_yaml:
phono3py_conf_parser = Phono3pyConfParser(
filename=args.conf_filename,
args=args,
default_settings=argparse_control,
)
cell_filename = args.filename[0]
else:
if is_file_phonopy_yaml(args.filename[0], keyword="phono3py"):
phono3py_conf_parser = Phono3pyConfParser(
args=args, default_settings=argparse_control
)
cell_filename = args.filename[0]
else: # args.filename[0] is assumed to be phono3py-conf file.
phono3py_conf_parser = Phono3pyConfParser(
filename=args.filename[0],
args=args,
default_settings=argparse_control,
)
cell_filename = phono3py_conf_parser.settings.cell_filename
else:
if load_phono3py_yaml:
phono3py_conf_parser = Phono3pyConfParser(
args=args,
filename=args.conf_filename,
default_settings=argparse_control,
)
else:
phono3py_conf_parser = Phono3pyConfParser(
args=args, default_settings=argparse_control
)
cell_filename = phono3py_conf_parser.settings.cell_filename
confs_dict = phono3py_conf_parser.confs.copy()
settings = phono3py_conf_parser.settings
return settings, confs_dict, cell_filename
def get_input_output_filenames_from_args(args):
"""Return strings inserted to input and output filenames."""
input_filename = args.input_filename
output_filename = args.output_filename
if args.input_output_filename is not None:
input_filename = args.input_output_filename
output_filename = args.input_output_filename
return input_filename, output_filename
def get_cell_info(
settings: Phono3pySettings, cell_filename: str, log_level: int
) -> dict:
"""Return calculator interface and crystal structure information."""
cell_info = collect_cell_info(
supercell_matrix=settings.supercell_matrix,
primitive_matrix=settings.primitive_matrix,
interface_mode=settings.calculator,
cell_filename=cell_filename,
chemical_symbols=settings.chemical_symbols,
phonopy_yaml_cls=Phono3pyYaml,
)
if "error_message" in cell_info:
print_error_message(cell_info["error_message"])
if log_level > 0:
print_error()
sys.exit(1)
set_magnetic_moments(cell_info, settings, log_level)
cell_info["phonon_supercell_matrix"] = settings.phonon_supercell_matrix
ph3py_yaml: Phono3pyYaml = cell_info["phonopy_yaml"]
if cell_info["phonon_supercell_matrix"] is None and ph3py_yaml:
ph_smat = ph3py_yaml.phonon_supercell_matrix
cell_info["phonon_supercell_matrix"] = ph_smat
return cell_info
def get_default_values(settings):
"""Set default values."""
# Brillouin zone integration: Tetrahedron (default) or smearing method
sigma = settings.sigma
if sigma is None:
sigmas = []
elif isinstance(sigma, float):
sigmas = [sigma]
else:
sigmas = sigma
if settings.is_tetrahedron_method:
sigmas = [None] + sigmas
if len(sigmas) == 0:
sigmas = [None]
if settings.temperatures is None:
if settings.is_joint_dos:
temperature_points = None
temperatures = None
else:
t_max = settings.max_temperature
t_min = settings.min_temperature
t_step = settings.temperature_step
temperature_points = [0.0, 300.0] # For spectra
temperatures = np.arange(t_min, t_max + float(t_step) / 10, t_step)
else:
temperature_points = settings.temperatures # For spectra
temperatures = settings.temperatures # For others
if settings.frequency_conversion_factor is None:
frequency_factor_to_THz = VaspToTHz
else:
frequency_factor_to_THz = settings.frequency_conversion_factor
if settings.num_frequency_points is None:
if settings.frequency_pitch is None:
num_frequency_points = 201
frequency_step = None
else:
num_frequency_points = None
frequency_step = settings.frequency_pitch
else:
num_frequency_points = settings.num_frequency_points
frequency_step = None
if settings.num_points_in_batch is None:
num_points_in_batch = 10
else:
num_points_in_batch = settings.num_points_in_batch
if settings.frequency_scale_factor is None:
frequency_scale_factor = None
else:
frequency_scale_factor = settings.frequency_scale_factor
if settings.cutoff_frequency is None:
cutoff_frequency = 1e-2
else:
cutoff_frequency = settings.cutoff_frequency
params = {}
params["sigmas"] = sigmas
params["temperature_points"] = temperature_points
params["temperatures"] = temperatures
params["frequency_factor_to_THz"] = frequency_factor_to_THz
params["num_frequency_points"] = num_frequency_points
params["num_points_in_batch"] = num_points_in_batch
params["frequency_step"] = frequency_step
params["frequency_scale_factor"] = frequency_scale_factor
params["cutoff_frequency"] = cutoff_frequency
return params
def check_supercell_in_yaml(cell_info, ph3, distance_to_A, log_level):
"""Check consistency between generated cells and cells in yaml."""
if cell_info["phonopy_yaml"] is not None:
if distance_to_A is None:
d2A = 1.0
else:
d2A = distance_to_A
if (
cell_info["phonopy_yaml"].supercell is not None
and ph3.supercell is not None
): # noqa E129
yaml_cell = cell_info["phonopy_yaml"].supercell.copy()
yaml_cell.cell = yaml_cell.cell * d2A
if not cells_isclose(yaml_cell, ph3.supercell):
if log_level:
print(
"Generated supercell is inconsistent with "
'that in "%s".' % cell_info["optional_structure_info"][0]
)
print_error()
sys.exit(1)
if (
cell_info["phonopy_yaml"].phonon_supercell is not None
and ph3.phonon_supercell is not None
): # noqa E129
yaml_cell = cell_info["phonopy_yaml"].phonon_supercell.copy()
yaml_cell.cell = yaml_cell.cell * d2A
if not cells_isclose(yaml_cell, ph3.phonon_supercell):
if log_level:
print(
"Generated phonon supercell is inconsistent with "
'that in "%s".' % cell_info["optional_structure_info"][0]
)
print_error()
sys.exit(1)
def init_phono3py(
settings, cell_info, interface_mode, symprec, log_level
) -> tuple[Phono3py, dict]:
"""Initialize phono3py and update settings by default values."""
physical_units = get_default_physical_units(interface_mode)
distance_to_A = physical_units["distance_to_A"]
# Change unit of lattice parameters to angstrom
unitcell = cell_info["unitcell"].copy()
if distance_to_A is not None:
lattice = unitcell.cell
lattice *= distance_to_A
unitcell.cell = lattice
# updated_settings keys
# ('sigmas', 'temperature_points', 'temperatures',
# 'frequency_factor_to_THz', 'num_frequency_points',
# 'frequency_step', 'frequency_scale_factor',
# 'cutoff_frequency')
updated_settings = get_default_values(settings)
phono3py = Phono3py(
unitcell,
cell_info["supercell_matrix"],
primitive_matrix=cell_info["primitive_matrix"],
phonon_supercell_matrix=cell_info["phonon_supercell_matrix"],
cutoff_frequency=updated_settings["cutoff_frequency"],
frequency_factor_to_THz=updated_settings["frequency_factor_to_THz"],
is_symmetry=settings.is_symmetry,
is_mesh_symmetry=settings.is_mesh_symmetry,
use_grg=settings.use_grg,
make_r0_average=settings.is_fc3_r0_average,
symprec=symprec,
log_level=log_level,
)
phono3py.masses = settings.masses
phono3py.band_indices = settings.band_indices
phono3py.sigmas = updated_settings["sigmas"]
phono3py.sigma_cutoff = settings.sigma_cutoff_width
check_supercell_in_yaml(cell_info, phono3py, distance_to_A, log_level)
return phono3py, updated_settings
def settings_to_grid_points(settings, bz_grid):
"""Read or set grid point indices."""
if settings.grid_addresses is not None:
grid_points = grid_addresses_to_grid_points(settings.grid_addresses, bz_grid)
elif settings.grid_points is not None:
grid_points = settings.grid_points
else:
grid_points = None
return grid_points
def grid_addresses_to_grid_points(grid_addresses, bz_grid):
"""Return grid point indices from grid addresses."""
grid_points = [
get_grid_point_from_address(ga, bz_grid.D_diag) for ga in grid_addresses
]
return bz_grid.grg2bzg[grid_points]
def create_supercells_with_displacements(
settings: Phono3pySettings,
cell_info: dict,
confs_dict: dict,
unitcell_filename: str,
interface_mode: Optional[str],
load_phono3py_yaml: bool,
symprec: float,
log_level: int,
):
"""Create supercells and write displacements."""
if (
settings.create_displacements
or settings.random_displacements
or settings.random_displacements_fc2
):
phono3py = create_phono3py_supercells(
cell_info,
settings,
symprec,
interface_mode=interface_mode,
log_level=log_level,
)
if pathlib.Path("BORN").exists():
store_nac_params(
phono3py,
settings,
cell_info["phonopy_yaml"],
unitcell_filename,
log_level,
nac_factor=Hartree * Bohr,
load_phonopy_yaml=load_phono3py_yaml,
)
if log_level:
if phono3py.supercell.magnetic_moments is None:
print("Spacegroup: %s" % phono3py.symmetry.get_international_table())
else:
print(
"Number of symmetry operations in supercell: %d"
% len(phono3py.symmetry.symmetry_operations["rotations"])
)
finalize_phono3py(
phono3py,
confs_dict,
log_level,
write_displacements=True,
filename="phono3py_disp.yaml",
)
def store_force_constants(
phono3py: Phono3py,
settings,
ph3py_yaml: Phono3pyYaml,
phono3py_yaml_filename,
calculator,
input_filename,
output_filename,
load_phono3py_yaml,
log_level,
):
"""Calculate, read, and write force constants."""
if load_phono3py_yaml:
if log_level:
print("-" * 29 + " Force constants " + "-" * 30)
read_fc = set_dataset_and_force_constants(
phono3py,
ph3py_yaml=ph3py_yaml,
phono3py_yaml_filename=phono3py_yaml_filename,
cutoff_pair_distance=settings.cutoff_pair_distance,
use_pypolymlp=settings.use_pypolymlp,
calculator=calculator,
log_level=log_level,
)
(fc_calculator, fc_calculator_options) = get_fc_calculator_params(
settings, log_level=(not read_fc["fc3"]) * 1
)
try:
compute_force_constants_from_datasets(
phono3py,
read_fc,
fc_calculator=fc_calculator,
fc_calculator_options=fc_calculator_options,
symmetrize_fc=settings.fc_symmetry,
is_compact_fc=settings.is_compact_fc,
use_pypolymlp=settings.use_pypolymlp,
mlp_params=settings.mlp_params,
displacement_distance=settings.displacement_distance,
number_of_snapshots=settings.random_displacements,
random_seed=settings.random_seed,
log_level=log_level,
)
except ForceCalculatorRequiredError:
_show_fc_calculator_not_found(log_level)
if log_level:
if phono3py.fc3 is None:
print("fc3 could not be obtained.")
if not forces_in_dataset(phono3py.dataset):
print("Forces were not found.")
else:
show_drift_fc3(phono3py.fc3, primitive=phono3py.primitive)
if phono3py.fc2 is None:
print("fc2 could not be obtained.")
if phono3py.phonon_supercell_matrix is None:
if not forces_in_dataset(phono3py.dataset):
print("Forces were not found.")
else:
if not forces_in_dataset(phono3py.phonon_dataset):
print("Forces for dim-fc2 were not found.")
else:
show_drift_force_constants(
phono3py.fc2, primitive=phono3py.phonon_primitive, name="fc2"
)
if phono3py.fc3 is None or phono3py.fc2 is None:
print_error()
sys.exit(1)
cutoff_distance = settings.cutoff_fc3_distance
if cutoff_distance is not None and cutoff_distance > 0:
if log_level:
print(
"Cutting-off fc3 by zero (cut-off distance: %f)" % cutoff_distance
)
phono3py.cutoff_fc3_by_zero(cutoff_distance)
if not read_fc["fc3"]:
write_fc3_to_hdf5(
phono3py.fc3,
p2s_map=phono3py.primitive.p2s_map,
compression=settings.hdf5_compression,
)
if log_level:
print('fc3 was written into "fc3.hdf5".')
if not read_fc["fc2"]:
write_fc2_to_hdf5(
phono3py.fc2,
p2s_map=phono3py.primitive.p2s_map,
physical_unit="eV/angstrom^2",
compression=settings.hdf5_compression,
)
if log_level:
print('fc2 was written into "fc2.hdf5".')
else:
try:
create_phono3py_force_constants(
phono3py,
settings,
ph3py_yaml=ph3py_yaml,
phono3py_yaml_filename=phono3py_yaml_filename,
calculator=calculator,
input_filename=input_filename,
output_filename=output_filename,
log_level=log_level,
)
except ForceCalculatorRequiredError:
_show_fc_calculator_not_found(log_level)
def _show_fc_calculator_not_found(log_level):
if log_level:
print("")
print(
"Built-in force constants calculator doesn't support the "
"dispalcements-forces dataset. "
"An external force calculator, e.g., symfc (--symfc_ or ALM (--alm), "
"has to be used to compute force constants."
)
print_error()
sys.exit(1)
def run_gruneisen_then_exit(phono3py, settings, output_filename, log_level):
"""Run mode Grueneisen parameter calculation from fc3."""
if (
settings.mesh_numbers is None
and settings.band_paths is None
and settings.qpoints is None
):
print("An option of --mesh, --band, or --qpoints has to be specified.")
if log_level:
print_error()
sys.exit(1)
if len(phono3py.fc2) != len(phono3py.fc3):
print("Supercells used for fc2 and fc3 have to be same.")
if log_level:
print_error()
sys.exit(1)
if settings.band_paths is not None:
if settings.band_points is None:
npoints = 51
else:
npoints = settings.band_points
band_paths = settings.band_paths
bands = get_band_qpoints(band_paths, npoints=npoints)
else:
bands = None
rotations = phono3py.primitive_symmetry.pointgroup_operations
run_gruneisen_parameters(
phono3py.fc2,
phono3py.fc3,
phono3py.supercell,
phono3py.primitive,
bands,
settings.mesh_numbers,
rotations,
settings.qpoints,
nac_params=phono3py.nac_params,
nac_q_direction=settings.nac_q_direction,
ion_clamped=settings.ion_clamped,
factor=VaspToTHz,
symprec=phono3py.symmetry.tolerance,
output_filename=output_filename,
log_level=log_level,
)
if log_level:
print_end_phono3py()
sys.exit(0)
def run_jdos_then_exit(
phono3py: Phono3py, settings, updated_settings, output_filename, log_level
):
"""Run joint-DOS calculation."""
joint_dos = Phono3pyJointDos(
phono3py.phonon_supercell,
phono3py.phonon_primitive,
phono3py.fc2,
mesh=settings.mesh_numbers,
nac_params=phono3py.nac_params,
nac_q_direction=settings.nac_q_direction,
sigmas=updated_settings["sigmas"],
cutoff_frequency=updated_settings["cutoff_frequency"],
frequency_step=updated_settings["frequency_step"],
num_frequency_points=updated_settings["num_frequency_points"],
num_points_in_batch=updated_settings["num_points_in_batch"],
temperatures=updated_settings["temperature_points"],
frequency_factor_to_THz=updated_settings["frequency_factor_to_THz"],
frequency_scale_factor=updated_settings["frequency_scale_factor"],
use_grg=settings.use_grg,
is_mesh_symmetry=settings.is_mesh_symmetry,
symprec=phono3py.symmetry.tolerance,
output_filename=output_filename,
log_level=log_level,
)
if log_level > 0:
dm = joint_dos.dynamical_matrix
if dm.is_nac() and dm.nac_method == "gonze":
dm.show_Gonze_nac_message()
grid_points = settings_to_grid_points(settings, joint_dos.grid)
joint_dos.run(grid_points, write_jdos=True)
if log_level:
print_end_phono3py()
sys.exit(0)
def run_isotope_then_exit(phono3py, settings, updated_settings, log_level):
"""Run isotope scattering calculation."""
mass_variances = settings.mass_variances
if settings.band_indices is not None:
band_indices = np.hstack(settings.band_indices).astype("intc")
else:
band_indices = None
iso = Phono3pyIsotope(
settings.mesh_numbers,
phono3py.phonon_primitive,
mass_variances=mass_variances,
band_indices=band_indices,
sigmas=updated_settings["sigmas"],
frequency_factor_to_THz=updated_settings["frequency_factor_to_THz"],
use_grg=settings.use_grg,
symprec=phono3py.symmetry.tolerance,
cutoff_frequency=settings.cutoff_frequency,
lapack_zheev_uplo=settings.lapack_zheev_uplo,
)
iso.init_dynamical_matrix(
phono3py.fc2,
phono3py.phonon_supercell,
phono3py.phonon_primitive,
nac_params=phono3py.nac_params,
frequency_scale_factor=updated_settings["frequency_scale_factor"],
)
if log_level > 0:
dm = iso.dynamical_matrix
if dm.is_nac() and dm.nac_method == "gonze":
dm.show_Gonze_nac_message()
grid_points = settings_to_grid_points(settings, iso.grid)
iso.run(grid_points)
if log_level:
print_end_phono3py()
sys.exit(0)
def init_phph_interaction(
phono3py: Phono3py,
settings,
updated_settings,
input_filename,
output_filename,
log_level,
):
"""Initialize ph-ph interaction and phonons on grid."""
if log_level:
print("Generating grid system ... ", end="", flush=True)
phono3py.mesh_numbers = settings.mesh_numbers
bz_grid = phono3py.grid
if log_level:
if bz_grid.grid_matrix is None:
print("[ %d %d %d ]" % tuple(phono3py.mesh_numbers))
else:
print("")
print("Generalized regular grid: [ %d %d %d ]" % tuple(bz_grid.D_diag))
print("Grid generation matrix:")
print(" [ %d %d %d ]" % tuple(bz_grid.grid_matrix[0]))
print(" [ %d %d %d ]" % tuple(bz_grid.grid_matrix[1]))
print(" [ %d %d %d ]" % tuple(bz_grid.grid_matrix[2]))
if settings.is_symmetrize_fc3_q:
print("Permutation symmetry of ph-ph interaction strengths: True")
if settings.is_fc3_r0_average:
print("fc3 r2q transformation over three atoms: True")
ave_pp = settings.constant_averaged_pp_interaction
phono3py.init_phph_interaction(
nac_q_direction=settings.nac_q_direction,
constant_averaged_interaction=ave_pp,
frequency_scale_factor=updated_settings["frequency_scale_factor"],
symmetrize_fc3q=settings.is_symmetrize_fc3_q,
lapack_zheev_uplo=settings.lapack_zheev_uplo,
)
if not settings.read_phonon:
if log_level:
print("-" * 27 + " Phonon calculations " + "-" * 28)
dm = phono3py.dynamical_matrix
if dm.is_nac() and dm.nac_method == "gonze":
dm.show_nac_message()
print("Running harmonic phonon calculations...")
sys.stdout.flush()
phono3py.run_phonon_solver()
if settings.write_phonon:
freqs, eigvecs, grid_address = phono3py.get_phonon_data()
ir_grid_points, ir_grid_weights, _ = get_ir_grid_points(bz_grid)
ir_grid_points = np.array(bz_grid.grg2bzg[ir_grid_points], dtype="int_")
filename = write_phonon_to_hdf5(
freqs,
eigvecs,
grid_address,
phono3py.mesh_numbers,
bz_grid=bz_grid,
ir_grid_points=ir_grid_points,
ir_grid_weights=ir_grid_weights,
compression=settings.hdf5_compression,
filename=output_filename,
)
if filename:
if log_level:
print('Phonons are written into "%s".' % filename)
else:
print("Writing phonons failed.")
if log_level:
print_error()
sys.exit(1)
if settings.read_phonon:
phonons = read_phonon_from_hdf5(
phono3py.mesh_numbers, filename=input_filename, verbose=(log_level > 0)
)
if phonons is None:
print("Reading phonons failed.")
if log_level:
print_error()
sys.exit(1)
try:
phono3py.set_phonon_data(*phonons)
except RuntimeError:
if log_level:
print_error()
sys.exit(1)
def main(**argparse_control):
"""Phono3py main part of command line interface."""
# import warnings
# warnings.simplefilter("error")
load_phono3py_yaml = argparse_control.get("load_phono3py_yaml", False)
if "args" in argparse_control: # This is for pytest.
args = argparse_control["args"]
log_level = args.log_level
else:
args, log_level = start_phono3py(**argparse_control)
if load_phono3py_yaml:
input_filename = None
output_filename = None
output_yaml_filename = args.output_yaml_filename
else:
(input_filename, output_filename) = get_input_output_filenames_from_args(args)
output_yaml_filename = None
settings, confs_dict, cell_filename = read_phono3py_settings(
args, argparse_control, log_level
)
if args.force_sets_to_forces_fc2_mode:
create_FORCES_FC2_from_FORCE_SETS(log_level)
if log_level:
print_end_phono3py()
sys.exit(0)
if args.force_sets_mode:
create_FORCE_SETS_from_FORCES_FCx(
settings.phonon_supercell_matrix, input_filename, cell_filename, log_level
)
if log_level:
print_end_phono3py()
sys.exit(0)
if args.write_grid_points:
run_mode = "write_grid_info"
elif args.show_num_triplets:
run_mode = "show_triplets_info"
else:
run_mode = None
# -----------------------------------------------------------------------
# ----------------- 'args' should not be used below. --------------------
# -----------------------------------------------------------------------
####################################
# Create FORCES_FC3 and FORCES_FC2 #
####################################
if (
settings.create_forces_fc3
or settings.create_forces_fc3_file
or settings.create_forces_fc2
):
create_FORCES_FC3_and_FORCES_FC2(settings, cell_filename, log_level=log_level)
if log_level:
print_end_phono3py()
sys.exit(0)
###########################################################
# Symmetry tolerance. Distance unit depends on interface. #
###########################################################
if settings.symmetry_tolerance is None:
symprec = 1e-5
else:
symprec = settings.symmetry_tolerance
cell_info = get_cell_info(settings, cell_filename, log_level)
unitcell_filename = cell_info["optional_structure_info"][0]
interface_mode = cell_info["interface_mode"]
# ph3py_yaml = cell_info['phonopy_yaml']
if run_mode is None:
run_mode = get_run_mode(settings)
######################################################
# Create supercells with displacements and then exit #
######################################################
if not settings.use_pypolymlp:
create_supercells_with_displacements(
settings,
cell_info,
confs_dict,
unitcell_filename,
interface_mode,
load_phono3py_yaml,
symprec,
log_level,
)
#######################
# Initialize phono3py #
#######################
# updated_settings keys
# ('sigmas', 'temperature_points', 'temperatures',
# 'frequency_factor_to_THz', 'num_frequency_points',
# 'frequency_step', 'frequency_scale_factor',
# 'cutoff_frequency')
phono3py, updated_settings = init_phono3py(
settings, cell_info, interface_mode, symprec, log_level
)
#################################################
# Show phono3py settings and crystal structures #
#################################################
if log_level:
show_general_settings(
settings,
run_mode,
phono3py,
unitcell_filename,
input_filename,
output_filename,
interface_mode,
)
if phono3py.supercell.magnetic_moments is None:
print("Spacegroup: %s" % phono3py.symmetry.get_international_table())
else:
print(
"Number of symmetry operations in supercell: %d"
% len(phono3py.symmetry.symmetry_operations["rotations"])
)
if log_level > 1:
show_phono3py_cells(phono3py)
elif log_level:
print(
"Use -v option to watch primitive cell, unit cell, "
"and supercell structures."
)
##################
# Check settings #
##################
run_modes_with_mesh = (
"conductivity-RTA",
"conductivity-LBTE",
"imag_self_energy",
"real_self_energy",
"jdos",
"isotope",
"write_grid_info",
"show_triplets_info",
)
run_modes_with_gp = ("imag_self_energy", "real_self_energy", "jdos", "isotope")
if settings.mesh_numbers is None and run_mode in run_modes_with_mesh:
print("")
print("Mesh numbers have to be specified.")
print("")
if log_level:
print_error()
sys.exit(1)
if (
run_mode in run_modes_with_gp
and settings.grid_points is None
and settings.grid_addresses is None
): # noqa E129
print("")
print("Grid point(s) has to be specified.")
print("")
if log_level:
print_error()
sys.exit(1)
#########################################################
# Write ir-grid points and grid addresses and then exit #
#########################################################
if run_mode == "write_grid_info":
phono3py.mesh_numbers = settings.mesh_numbers
write_grid_points(
phono3py.primitive,
phono3py.grid,
band_indices=settings.band_indices,
sigmas=updated_settings["sigmas"],
temperatures=updated_settings["temperatures"],
is_kappa_star=settings.is_kappa_star,
is_lbte=(settings.write_collision or settings.is_lbte),
compression=settings.hdf5_compression,
)
if log_level:
print_end_phono3py()
sys.exit(0)
################################################################
# Show reduced number of triplets at grid points and then exit #
################################################################
if run_mode == "show_triplets_info":
phono3py.mesh_numbers = settings.mesh_numbers
grid_points = settings_to_grid_points(settings, phono3py.grid)
show_num_triplets(
phono3py.primitive,
phono3py.grid,
band_indices=settings.band_indices,
grid_points=grid_points,
is_kappa_star=settings.is_kappa_star,
)
if log_level:
print_end_phono3py()
sys.exit(0)
##################################
# Non-analytical term correction #
##################################
if settings.is_nac:
store_nac_params(
phono3py,
settings,
cell_info["phonopy_yaml"],
unitcell_filename,
log_level,
nac_factor=Hartree * Bohr,
load_phonopy_yaml=load_phono3py_yaml,
)
###################
# Force constants #
###################
store_force_constants(
phono3py,
settings,
cell_info["phonopy_yaml"],
unitcell_filename,
interface_mode,
input_filename,
output_filename,
load_phono3py_yaml,
log_level,
)
############################################
# Phonon Gruneisen parameter and then exit #
############################################
if settings.is_gruneisen:
run_gruneisen_then_exit(phono3py, settings, output_filename, log_level)
#################
# Show settings #
#################
if log_level and run_mode is not None:
show_phono3py_settings(phono3py, settings, updated_settings, log_level)
###########################
# Joint DOS and then exit #
###########################
if run_mode == "jdos":
run_jdos_then_exit(
phono3py, settings, updated_settings, output_filename, log_level
)
################################################
# Mass variances for phonon-isotope scattering #
################################################
if settings.is_isotope and settings.mass_variances is None:
from phonopy.structure.atoms import isotope_data
symbols = phono3py.phonon_primitive.symbols
in_database = True
for s in set(symbols):
if s not in isotope_data:
print("%s is not in the list of isotope databese" % s)
print("(not implemented).")
print("Use --mass_variances option.")
in_database = False
if not in_database:
if log_level:
print_end_phono3py()
sys.exit(0)
#########################################
# Phonon-isotope lifetime and then exit #
#########################################
if run_mode == "isotope":
run_isotope_then_exit(phono3py, settings, updated_settings, log_level)
########################################
# Initialize phonon-phonon interaction #
########################################
if run_mode is not None:
init_phph_interaction(
phono3py,
settings,
updated_settings,
input_filename,
output_filename,
log_level,
)
#######################################################
# Run imaginary part of self energy of bubble diagram #
#######################################################
if run_mode == "imag_self_energy":
phono3py.run_imag_self_energy(
settings_to_grid_points(settings, phono3py.grid),
updated_settings["temperature_points"],
frequency_step=updated_settings["frequency_step"],
num_frequency_points=updated_settings["num_frequency_points"],
num_points_in_batch=updated_settings["num_points_in_batch"],
scattering_event_class=settings.scattering_event_class,
write_txt=True,
write_gamma_detail=settings.write_gamma_detail,
output_filename=output_filename,
)
#####################################################
# Run frequency shift calculation of bubble diagram #
#####################################################
elif run_mode == "real_self_energy":
phono3py.run_real_self_energy(
settings_to_grid_points(settings, phono3py.grid),
updated_settings["temperature_points"],
frequency_step=updated_settings["frequency_step"],
num_frequency_points=updated_settings["num_frequency_points"],
write_txt=True,
write_hdf5=True,
output_filename=output_filename,
)
#######################################################
# Run spectral function calculation of bubble diagram #
#######################################################
elif run_mode == "spectral_function":
phono3py.run_spectral_function(
settings_to_grid_points(settings, phono3py.grid),
updated_settings["temperature_points"],
frequency_step=updated_settings["frequency_step"],
num_frequency_points=updated_settings["num_frequency_points"],
num_points_in_batch=updated_settings["num_points_in_batch"],
write_txt=True,
write_hdf5=True,
output_filename=output_filename,
)
####################################
# Run lattice thermal conductivity #
####################################
elif run_mode == "conductivity-RTA" or run_mode == "conductivity-LBTE":
grid_points = settings_to_grid_points(settings, phono3py.grid)
phono3py.run_thermal_conductivity(
is_LBTE=settings.is_lbte,
temperatures=updated_settings["temperatures"],
is_isotope=settings.is_isotope,
mass_variances=settings.mass_variances,
grid_points=grid_points,
boundary_mfp=settings.boundary_mfp,
solve_collective_phonon=settings.solve_collective_phonon,
use_ave_pp=settings.use_ave_pp,
is_reducible_collision_matrix=settings.is_reducible_collision_matrix, # noqa E501
is_kappa_star=settings.is_kappa_star,
gv_delta_q=settings.group_velocity_delta_q,
is_full_pp=(settings.is_full_pp or settings.is_symmetrize_fc3_q),
pinv_cutoff=settings.pinv_cutoff,
pinv_solver=settings.pinv_solver,
pinv_method=settings.pinv_method,
write_gamma=settings.write_gamma,
read_gamma=settings.read_gamma,
write_kappa=True,
is_N_U=settings.is_N_U,
conductivity_type=settings.conductivity_type,
write_gamma_detail=settings.write_gamma_detail,
write_collision=settings.write_collision,
read_collision=settings.read_collision,
write_pp=settings.write_pp,
read_pp=settings.read_pp,
write_LBTE_solution=settings.write_LBTE_solution,
compression=settings.hdf5_compression,
input_filename=input_filename,
output_filename=output_filename,
)
else:
if log_level:
print(
"-" * 11
+ " None of ph-ph interaction calculation was performed. "
+ "-" * 11
)
finalize_phono3py(phono3py, confs_dict, log_level, filename=output_yaml_filename)
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