def get_tetrahedra_relative_grid_address(microzone_lattice):
"""
reciprocal_lattice:
column vectors of parallel piped microzone lattice
which can be obtained by:
microzone_lattice = np.linalg.inv(bulk.get_cell()) / mesh
"""
relative_grid_address = np.zeros((24, 4, 3), dtype='intc')
phonoc.tetrahedra_relative_grid_address(
relative_grid_address,
np.array(microzone_lattice, dtype='double', order='C'))
return relative_grid_address
def get_tetrahedra_relative_grid_address(microzone_lattice):
"""
reciprocal_lattice:
column vectors of parallel piped microzone lattice
which can be obtained by:
microzone_lattice = np.linalg.inv(bulk.get_cell()) / mesh
"""
relative_grid_address = np.zeros((24, 4, 3), dtype='intc')
phonoc.tetrahedra_relative_grid_address(
relative_grid_address,
np.array(microzone_lattice, dtype='double', order='C'))
return relative_grid_address
def get_tetrahedra_relative_grid_address(microzone_lattice):
"""Return relative (differences of) grid addresses from the central.
Parameter
---------
microzone_lattice : ndarray or list of list
column vectors of parallel piped microzone lattice, i.e.,
microzone_lattice = np.linalg.inv(cell.get_cell()) / mesh
"""
relative_grid_address = np.zeros((24, 4, 3), dtype="int_", order="C")
phonoc.tetrahedra_relative_grid_address(
relative_grid_address,
np.array(microzone_lattice, dtype="double", order="C"))
return relative_grid_address
def get_tetrahedra_relative_grid_address(microzone_lattice):
"""Returns relative (differences of) grid addresses from the central
Parameter
---------
microzone_lattice : ndarray or list of list
column vectors of parallel piped microzone lattice, i.e.,
microzone_lattice = np.linalg.inv(cell.get_cell()) / mesh
"""
relative_grid_address = np.zeros((24, 4, 3), dtype='intc')
phonoc.tetrahedra_relative_grid_address(
relative_grid_address,
np.array(microzone_lattice, dtype='double', order='C'))
return relative_grid_address